/* roulang page: index */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-secondary);
        }
        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin: 0 0 1em;
            color: var(--color-text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }
        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
        }
        .nav-search-wrap input {
            flex: 1;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 9px 16px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
            min-width: 0;
        }
        .nav-search-wrap input:focus {
            border-color: var(--color-primary);
            background: var(--color-white);
        }
        .nav-search-btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .nav-search-btn:hover {
            background: var(--color-primary-dark);
            transform: scale(1.04);
        }
        .nav-cta-top {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-cta-top:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-tabs-row {
            display: flex;
            align-items: center;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            max-width: var(--container-max);
            margin: 0 auto;
            scrollbar-width: none;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            color: var(--color-text-light);
            cursor: pointer;
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }
        .nav-tab:hover {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
        }
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-top-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-white);
            z-index: 999;
            padding: 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .nav-mobile-menu.open {
            display: flex;
        }
        .nav-mobile-menu .nav-tab {
            display: block;
            text-align: center;
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-secondary);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 40px 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.6) 50%, rgba(26, 26, 46, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 20px 0;
        }
        .hero-content .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #1a1a2e;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }
        .hero-content h1 {
            color: #fff;
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-content .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .btn-hero-primary {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 32px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-glow);
        }
        .btn-hero-primary:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 0 48px rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-full);
            padding: 13px 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .hero-time-slots {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .hero-time-slot {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            min-width: 80px;
        }
        .hero-time-slot:hover,
        .hero-time-slot.selected {
            background: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: 0 0 20px rgba(232, 69, 60, 0.5);
        }
        .hero-data-points {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 20px;
        }
        .hero-data-point {
            color: #fff;
            text-align: center;
        }
        .hero-data-point .data-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .hero-data-point .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-gap) 0;
        }
        section.bg-alt {
            background: var(--color-bg-alt);
        }
        section.bg-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        section.bg-dark h2,
        section.bg-dark h3 {
            color: #fff;
        }
        section.bg-dark p {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--color-text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .card-base {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }
        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.red {
            background: #fef0ef;
            color: var(--color-primary);
        }
        .card-icon.blue {
            background: #eef4fe;
            color: #3b7ddd;
        }
        .card-icon.green {
            background: #eafaf1;
            color: var(--color-success);
        }
        .card-icon.amber {
            background: #fef9ee;
            color: var(--color-accent-dark);
        }
        .card-icon.purple {
            background: #f5f0fd;
            color: #7c3aed;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-weight: 600;
            border-radius: var(--radius-full);
            padding: 11px 24px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
            text-align: center;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--color-secondary);
        }
        .btn-white:hover {
            background: #f5f5f5;
            box-shadow: var(--shadow-md);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 700;
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.85rem;
        }

        /* ========== BADGES & TAGS ========== */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-hot {
            background: #fef0ef;
            color: var(--color-primary);
        }
        .badge-new {
            background: #eafaf1;
            color: var(--color-success);
        }
        .badge-limited {
            background: #fef9ee;
            color: var(--color-accent-dark);
        }
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ========== TRIAL BENEFITS ========== */
        .benefit-card {
            text-align: center;
            padding: 32px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            height: 100%;
        }
        .benefit-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .benefit-card .benefit-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            background: linear-gradient(135deg, #fef0ef, #fde8e6);
            color: var(--color-primary);
        }

        /* ========== EVENT HIGHLIGHTS ========== */
        .event-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .event-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .event-card-img .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .event-card-body {
            padding: 20px;
        }

        /* ========== COUNTDOWN BAR ========== */
        .countdown-bar {
            background: linear-gradient(135deg, #1a1a2e, #252540);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            color: #fff;
        }
        .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .countdown-unit {
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            text-align: center;
            min-width: 54px;
        }
        .countdown-unit .cd-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .countdown-unit .cd-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
            letter-spacing: 0.04em;
        }

        /* ========== GUARANTEE ICONS ========== */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            text-align: center;
        }
        .guarantee-item {
            flex: 0 0 auto;
            min-width: 110px;
            padding: 16px;
            transition: all var(--transition-fast);
        }
        .guarantee-item .gi-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .guarantee-item .gi-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        /* ========== GUEST SPOTLIGHT ========== */
        .guest-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
        }
        .guest-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }
        .guest-card {
            flex: 0 0 220px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .guest-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .guest-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 12px;
            background-size: cover;
            background-position: center;
            border: 3px solid var(--color-primary);
        }

        /* ========== NEWS LIST ========== */
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-list-item:hover {
            background: #fafafb;
            padding-left: 8px;
            border-radius: 4px;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            font-weight: 500;
            min-width: 80px;
            padding-top: 2px;
        }
        .news-list-content h4 {
            margin-bottom: 4px;
            font-size: 1rem;
        }
        .news-list-content p {
            font-size: 0.9rem;
            margin-bottom: 6px;
            color: var(--color-text-light);
        }
        .news-read-more {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .news-read-more:hover {
            text-decoration: underline;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d0d0d8;
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            font-size: 1rem;
            color: var(--color-secondary);
            background: #fafafb;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #f0f1f5;
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            color: var(--color-text-lighter);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: 16px 22px;
            max-height: 400px;
        }

        /* ========== FORM ========== */
        .form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }
        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            outline: none;
            background: #fafafb;
        }
        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--color-primary);
            background: #fff;
        }
        .form-card label {
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        /* ========== CTA STRIP ========== */
        .cta-strip {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            padding: 36px 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-strip h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-strip p {
            color: rgba(255, 255, 255, 0.85);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-bottom: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero-content h1 {
                font-size: 2.3rem;
            }
            .nav-search-wrap {
                max-width: 200px;
            }
            .hero-section {
                min-height: 480px;
            }
            .countdown-bar {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
                --section-gap: 32px;
                --section-gap-lg: 44px;
            }
            body {
                padding-top: var(--nav-height);
                font-size: 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-top {
                display: none;
            }
            .nav-mobile-toggle {
                display: block;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-top-row {
                padding: 0 14px;
            }
            .hero-section {
                min-height: 400px;
                padding: 24px 0;
            }
            .hero-data-points {
                gap: 16px;
            }
            .hero-data-point .data-num {
                font-size: 1.4rem;
            }
            .form-card {
                padding: 20px;
            }
            .countdown-unit {
                min-width: 40px;
                padding: 8px 10px;
            }
            .countdown-unit .cd-num {
                font-size: 1.3rem;
            }
            .guest-card {
                flex: 0 0 170px;
            }
            .guarantee-strip {
                gap: 12px;
            }
            .guarantee-item {
                min-width: 80px;
                padding: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
                --section-gap: 24px;
                --section-gap-lg: 32px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-desc {
                font-size: 0.88rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .hero-time-slots {
                gap: 6px;
            }
            .hero-time-slot {
                padding: 7px 10px;
                font-size: 0.78rem;
                min-width: 60px;
            }
            .nav-tab {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .card-base {
                padding: 18px;
            }
            .benefit-card {
                padding: 20px 14px;
            }
            .event-card-img {
                height: 130px;
            }
            .countdown-bar {
                padding: 18px 16px;
            }
            .guest-card {
                flex: 0 0 150px;
                padding: 14px;
            }
            .guest-avatar {
                width: 52px;
                height: 52px;
            }
            .form-card {
                padding: 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.5s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .row {
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .row .row {
            margin-left: -10px;
            margin-right: -10px;
        }
        .columns {
            padding: 0 10px;
        }
        @media (max-width: 768px) {
            .row {
                padding: 0 8px;
            }
            .columns {
                padding: 0 6px;
            }
        }
        .grid-container {
            max-width: var(--container-max);
        }
        .grid-x>.cell {
            padding: 0 10px;
        }
        @media (max-width: 768px) {
            .grid-x>.cell {
                padding: 0 6px;
            }
        }

        /* Additional utility */
        .text-primary {
            color: var(--color-primary) !important;
        }
        .text-accent {
            color: var(--color-accent) !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mb-1 {
            margin-bottom: 8px !important;
        }
        .mb-2 {
            margin-bottom: 16px !important;
        }
        .mb-3 {
            margin-bottom: 24px !important;
        }
        .mt-1 {
            margin-top: 8px !important;
        }
        .mt-2 {
            margin-top: 16px !important;
        }
        .mt-3 {
            margin-top: 24px !important;
        }
        .text-center {
            text-align: center;
        }
        .font-bold {
            font-weight: 700;
        }
        .rounded-img {
            border-radius: var(--radius-lg);
        }

/* roulang page: category1 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
                --section-gap: 32px;
                --section-gap-lg: 44px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 86px;
                --nav-top-height: 42px;
                --nav-tabs-height: 36px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }

        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
        }

        .nav-search-input {
            flex: 1;
            height: 38px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 0 16px;
            font-size: 0.9rem;
            background: var(--color-bg);
            color: var(--color-text);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 0;
        }

        .nav-search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.1);
        }

        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-search-btn:hover {
            background: var(--color-primary-dark);
            transform: scale(1.04);
        }

        .nav-cta-mini {
            flex-shrink: 0;
            padding: 9px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            display: inline-block;
        }

        .nav-cta-mini:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            cursor: pointer;
            border: 1.5px solid transparent;
            background: transparent;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.04);
        }

        .nav-tab.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .nav-tab.active:hover {
            color: #fff;
            background: var(--color-primary-dark);
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-mini {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-mobile-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .nav-cta-mini {
                font-size: 0.72rem;
                padding: 6px 10px;
            }
            .nav-tab {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .nav-top-row {
                padding: 0 12px;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-bg-dark);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.7) 0%, rgba(13, 13, 26, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .hero-countdown-col {
            flex: 0 0 auto;
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }

        .countdown-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .countdown-ring {
            position: relative;
            width: 90px;
            height: 90px;
        }

        .countdown-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 6;
        }

        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.9s ease;
        }

        .countdown-ring .ring-value {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .hero-info-col {
            flex: 1;
            min-width: 280px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(232, 69, 60, 0.25);
            color: #ff9e98;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            border: 1px solid rgba(232, 69, 60, 0.35);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--color-primary-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            margin-bottom: 10px;
            max-width: 520px;
        }

        .hero-slogan-rotator {
            position: relative;
            height: 36px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .hero-slogan-item {
            position: absolute;
            width: 100%;
            font-size: 1.05rem;
            color: var(--color-accent);
            font-weight: 600;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s ease;
            pointer-events: none;
        }

        .hero-slogan-item.active {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .hero-slogan-dots {
            display: flex;
            gap: 8px;
            margin-bottom: 22px;
        }

        .hero-slogan-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            padding: 0;
        }

        .hero-slogan-dot.active {
            background: var(--color-primary);
            box-shadow: 0 0 12px rgba(232, 69, 60, 0.6);
            transform: scale(1.3);
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

        .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 69, 60, 0.4);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .countdown-ring {
                width: 70px;
                height: 70px;
            }
            .countdown-ring .ring-value {
                font-size: 1.4rem;
            }
            .hero-inner {
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
            }
            .hero-inner {
                flex-direction: column;
                text-align: center;
                gap: 28px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero-countdown-col {
                gap: 12px;
            }
            .countdown-ring {
                width: 60px;
                height: 60px;
            }
            .countdown-ring .ring-value {
                font-size: 1.2rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-slogan-rotator {
                text-align: center;
            }
            .hero-slogan-dots {
                justify-content: center;
            }
            .hero-badge {
                margin-left: auto;
                margin-right: auto;
                display: table;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap-lg) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== BENEFIT CARDS ========== */
        .benefit-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .benefit-card .card-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .benefit-card:hover .card-icon-circle {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .benefit-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .benefit-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        .benefit-card .card-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }

        /* ========== SCENE SHOWCASE ========== */
        .scene-row {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .scene-row:last-child {
            margin-bottom: 0;
        }

        .scene-row.reverse {
            flex-direction: row-reverse;
        }

        .scene-img-col {
            flex: 0 0 45%;
            min-width: 280px;
        }

        .scene-img-col img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }

        .scene-text-col {
            flex: 1;
            min-width: 260px;
        }

        .scene-text-col h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .scene-text-col p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .scene-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .scene-row,
            .scene-row.reverse {
                flex-direction: column;
                gap: 20px;
            }
            .scene-img-col {
                flex: 0 0 100%;
                min-width: 100%;
            }
            .scene-text-col h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .stat-card {
            flex: 0 0 200px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .section-dark .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .section-dark .stat-number {
            color: var(--color-primary-light);
        }

        .section-dark .stat-label {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .stat-card {
                flex: 0 0 140px;
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== ANCHOR CARDS ========== */
        .anchor-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }

        .anchor-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .anchor-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .anchor-card-body {
            padding: 18px 16px;
        }

        .anchor-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .anchor-card-body .anchor-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(245, 166, 35, 0.12);
            color: var(--color-accent-dark);
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .anchor-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .step-card {
            flex: 0 0 220px;
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 14px;
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }

        .section-dark .step-card h4 {
            color: #fff;
        }

        .section-dark .step-card p {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .step-card {
                flex: 0 0 140px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 12px;
        }

        .testimonial-author {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-text);
        }

        .testimonial-author span {
            font-weight: 400;
            color: var(--color-text-lighter);
            font-size: 0.78rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-lighter);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            color: #fff;
            text-align: center;
            padding: var(--section-gap-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(232, 69, 60, 0.2) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--color-white);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            z-index: 999;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .sticky-bottom-bar .sticky-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                gap: 10px;
                padding: 10px 14px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.82rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #fff;
            padding: 40px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 24px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }

        .footer-bottom a:hover {
            color: var(--color-primary-light);
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .gap-sm {
            gap: 12px;
        }
        .gap-md {
            gap: 20px;
        }
        .gap-lg {
            gap: 32px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 32px;
                --section-gap-lg: 44px;
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 86px;
                --nav-top-height: 42px;
                --nav-tabs-height: 36px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }

        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
        }

        .nav-search-wrap input {
            flex: 1;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 16px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
            min-width: 0;
        }

        .nav-search-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.08);
        }

        .nav-search-btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: var(--color-primary-dark);
        }

        .nav-cta-top {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 700;
            white-space: nowrap;
            flex-shrink: 0;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-top:hover {
            background: var(--color-accent-dark);
            transform: translateY(-1px);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.05);
        }

        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
        }

        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .nav-mobile-toggle {
                display: block;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-top {
                display: none;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-tab {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .nav-tab {
                padding: 4px 10px;
                font-size: 0.75rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .nav-top-row {
                padding: 0 12px;
            }
        }

        /* ========== SECTION SPACING ========== */
        section {
            padding: var(--section-gap) 0;
        }

        section.section-lg {
            padding: var(--section-gap-lg) 0;
        }

        section.section-tight {
            padding: calc(var(--section-gap) * 0.6) 0;
        }

        /* ========== INNER BANNER ========== */
        .inner-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0 60px;
            min-height: 320px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }

        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(232, 69, 60, 0.55) 100%);
            z-index: 1;
        }

        .inner-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .inner-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .inner-banner h1 {
            font-size: 2.6rem;
            font-weight: 900;
            margin: 0 0 14px;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .inner-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 20px;
            line-height: 1.6;
            max-width: 560px;
        }

        .inner-banner .banner-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .inner-banner .banner-stat {
            text-align: center;
        }

        .inner-banner .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }

        .inner-banner .banner-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .inner-banner {
                padding: 50px 0 40px;
                min-height: 260px;
            }
            .inner-banner h1 {
                font-size: 1.9rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 1rem;
            }
            .inner-banner .banner-stats {
                gap: 16px;
            }
            .inner-banner .banner-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .inner-banner {
                padding: 36px 0 28px;
                min-height: 200px;
            }
            .inner-banner h1 {
                font-size: 1.5rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== COUPON WALL ========== */
        .coupon-wall-section {
            background: var(--color-bg-alt);
            position: relative;
            overflow: hidden;
        }

        .coupon-wall-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .coupon-wall-title {
            text-align: center;
            margin-bottom: 36px;
        }

        .coupon-wall-title h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .coupon-wall-title p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .coupon-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            position: relative;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px dashed var(--color-border);
            text-align: center;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }

        .coupon-card.coupon-main {
            grid-row: 1 / 3;
            border: 3px solid var(--color-primary);
            border-style: solid;
            background: linear-gradient(180deg, #fffdf7 0%, #fff 100%);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .coupon-card.coupon-main .coupon-ribbon {
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 32px;
            font-size: 0.75rem;
            font-weight: 700;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }

        .coupon-card .coupon-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: #fff;
            font-size: 1.4rem;
        }

        .coupon-card.coupon-main .coupon-icon {
            width: 70px;
            height: 70px;
            font-size: 2rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
        }

        .coupon-card .coupon-amount {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--color-primary);
            margin: 0 0 4px;
            line-height: 1;
        }

        .coupon-card.coupon-main .coupon-amount {
            font-size: 3rem;
            color: var(--color-primary);
        }

        .coupon-card .coupon-amount .unit {
            font-size: 0.9rem;
            font-weight: 600;
        }

        .coupon-card.coupon-main .coupon-amount .unit {
            font-size: 1.2rem;
        }

        .coupon-card .coupon-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0 0 12px;
        }

        .coupon-card .coupon-code {
            display: inline-block;
            background: var(--color-bg-alt);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--color-text-light);
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .coupon-card .btn-grab {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 9px 22px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .coupon-card .btn-grab:hover {
            background: var(--color-primary-dark);
            transform: scale(1.04);
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.35);
        }

        .coupon-card.coupon-main .btn-grab {
            padding: 12px 32px;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 4px 20px rgba(232, 69, 60, 0.4);
        }

        .coupon-card .coupon-grabbed {
            display: none;
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .coupon-card.grabbed .btn-grab {
            display: none;
        }

        .coupon-card.grabbed .coupon-grabbed {
            display: block;
        }

        .coupon-card.grabbed {
            border-color: var(--color-success);
            border-style: solid;
            opacity: 0.85;
        }

        @media (max-width: 768px) {
            .coupon-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
                gap: 12px;
            }
            .coupon-card.coupon-main {
                grid-row: auto;
                grid-column: 1 / -1;
                padding: 24px 20px;
            }
            .coupon-card.coupon-main .coupon-amount {
                font-size: 2.4rem;
            }
            .coupon-wall-title h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .coupon-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .coupon-card {
                padding: 16px 14px;
            }
            .coupon-card.coupon-main {
                padding: 20px 16px;
            }
            .coupon-card.coupon-main .coupon-amount {
                font-size: 2rem;
            }
        }

        /* ========== SELLING POINTS ========== */
        .selling-points {
            background: var(--color-white);
        }

        .selling-points .sp-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .selling-points .sp-header h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .selling-points .sp-header p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .sp-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .sp-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .sp-card .sp-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(232, 69, 60, 0.1), rgba(232, 69, 60, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--color-primary);
        }

        .sp-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .sp-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .selling-points .sp-header h2 {
                font-size: 1.5rem;
            }
            .sp-card {
                padding: 20px 16px;
            }
        }

        /* ========== SCENE DEMO ========== */
        .scene-demo {
            background: var(--color-bg-alt);
        }

        .scene-demo .scene-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .scene-demo .scene-header h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .scene-demo .scene-header p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .scene-block {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 36px;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .scene-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scene-block:last-child {
            margin-bottom: 0;
        }

        .scene-block .scene-img {
            flex: 0 0 45%;
            min-height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .scene-block .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }

        .scene-block .scene-info {
            flex: 1;
            padding: 28px 24px 28px 0;
        }

        .scene-block .scene-info .scene-tag {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scene-block .scene-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .scene-block .scene-info p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            margin: 0 0 12px;
            line-height: 1.6;
        }

        .scene-block .scene-info .btn-scene {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-full);
            padding: 7px 18px;
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .scene-block .scene-info .btn-scene:hover {
            background: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .scene-block {
                flex-direction: column;
                gap: 0;
            }
            .scene-block .scene-img {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
            }
            .scene-block .scene-img img {
                min-height: 200px;
            }
            .scene-block .scene-info {
                padding: 20px;
            }
            .scene-demo .scene-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            background: var(--color-secondary);
            color: #fff;
            text-align: center;
        }

        .stats-section .stat-item {
            padding: 20px 10px;
        }

        .stats-section .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stats-section .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .stats-section .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== FEATURES SECTION ========== */
        .features-section {
            background: var(--color-white);
        }

        .features-section .feat-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .features-section .feat-header h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .features-section .feat-header p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .feat-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            height: 100%;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

        .feat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .feat-card .feat-num {
            display: inline-block;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            line-height: 40px;
            margin-bottom: 12px;
        }

        .feat-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 6px;
        }

        .feat-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .features-section .feat-header h2 {
                font-size: 1.5rem;
            }
            .feat-card {
                padding: 18px 14px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--color-bg-alt);
        }

        .testimonials-section .test-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .testimonials-section .test-header h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .testimonials-section .test-header p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .stars {
            color: var(--color-accent);
            margin-bottom: 10px;
            font-size: 0.85rem;
        }

        .testimonial-card .quote {
            font-size: 0.92rem;
            color: var(--color-text);
            line-height: 1.6;
            margin: 0 0 12px;
            font-style: italic;
        }

        .testimonial-card .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .user-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-card .user-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-secondary);
        }

        .testimonial-card .user-role {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
        }

        @media (max-width: 768px) {
            .testimonials-section .test-header h2 {
                font-size: 1.5rem;
            }
            .testimonial-card {
                padding: 18px 14px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
        }

        .faq-section .faq-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .faq-header h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .faq-section .faq-header p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin: 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #fff;
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-bg);
        }

        .faq-question .faq-arrow {
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }

        @media (max-width: 768px) {
            .faq-section .faq-header h2 {
                font-size: 1.5rem;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 14px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 12px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 24px;
            line-height: 1.6;
        }

        .cta-section .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 40px;
            font-weight: 800;
            font-size: 1.1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(245, 166, 35, 0.4);
            letter-spacing: 0.02em;
        }

        .cta-section .btn-cta-large:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(245, 166, 35, 0.5);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-section .btn-cta-large {
                padding: 12px 30px;
                font-size: 1rem;
            }
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            z-index: 999;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-secondary);
            text-align: center;
        }

        .sticky-bottom-bar .sticky-text .highlight {
            color: var(--color-primary);
        }

        .sticky-bottom-bar .btn-sticky {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 10px 24px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-sticky:hover {
            background: var(--color-primary-dark);
            transform: scale(1.03);
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.35);
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                padding: 8px 12px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        body.has-sticky-bar {
            padding-bottom: 60px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.8rem;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-primary-light);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 16px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .mt-0 {
            margin-top: 0;
        }

        .section-divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

/* roulang page: category3 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        @media (max-width:1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }

        @media (max-width:768px) {
            :root {
                --section-gap: 32px;
                --section-gap-lg: 44px;
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
            }
        }

        @media (max-width:520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }

        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 280px;
            width: 100%;
            margin: 0 20px;
        }

        .nav-search-input {
            flex: 1;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 16px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg);
            min-width: 0;
        }

        .nav-search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.1);
        }

        .nav-search-btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: var(--color-primary-dark);
        }

        .nav-cta-top {
            background: var(--color-primary);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-top:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
        }

        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.05);
        }

        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
        }

        @media (max-width:768px) {
            .nav-search-wrap {
                display: none;
            }

            .nav-cta-top {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

            .nav-logo {
                font-size: 1.15rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }

            .nav-tab {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .mobile-menu-toggle {
                display: block;
                flex-shrink: 0;
            }
        }

        @media (max-width:520px) {
            .nav-top-row {
                padding: 0 12px;
            }

            .nav-cta-top {
                padding: 5px 10px;
                font-size: 0.75rem;
            }

            .nav-tab {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
        }

        /* ========== HERO VIDEO STYLE ========== */
        .hero-video {
            position: relative;
            width: 100%;
            min-height: 580px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.75) 0%, rgba(26, 26, 46, 0.8) 40%, rgba(13, 13, 26, 0.9) 100%);
            z-index: 1;
        }

        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 20px;
            max-width: 800px;
            width: 100%;
        }

        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 2rem;
            cursor: pointer;
            transition: all var(--transition-slow);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            position: relative;
        }

        .hero-play-btn::after {
            content: '';
            position: absolute;
            inset: -8px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.3);
            animation: pulse-ring 2s ease-out infinite;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(1);
                opacity: 0.7;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }

        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 50px rgba(232, 69, 60, 0.4);
        }

        .hero-play-btn i {
            margin-left: 4px;
        }

        .hero-video-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .hero-video-title span {
            color: var(--color-primary-light);
            position: relative;
        }

        .hero-video-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-video-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-normal);
            border: none;
            box-shadow: var(--shadow-glow);
        }

        .hero-video-cta:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 69, 60, 0.4);
            color: #fff;
        }

        @media (max-width:768px) {
            .hero-video {
                min-height: 440px;
            }
            .hero-video-title {
                font-size: 2rem;
            }
            .hero-video-subtitle {
                font-size: 1rem;
            }
            .hero-play-btn {
                width: 70px;
                height: 70px;
                font-size: 1.5rem;
            }
            .hero-video-cta {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        @media (max-width:520px) {
            .hero-video {
                min-height: 360px;
            }
            .hero-video-title {
                font-size: 1.55rem;
            }
            .hero-video-subtitle {
                font-size: 0.9rem;
            }
            .hero-play-btn {
                width: 56px;
                height: 56px;
                font-size: 1.2rem;
                border-width: 2px;
            }
            .hero-video-cta {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== FEATURE CARDS ========== */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-card .card-icon.red {
            background: rgba(232, 69, 60, 0.1);
            color: var(--color-primary);
        }

        .feature-card .card-icon.blue {
            background: rgba(52, 152, 219, 0.1);
            color: #3498db;
        }

        .feature-card .card-icon.green {
            background: rgba(39, 174, 96, 0.1);
            color: var(--color-success);
        }

        .feature-card .card-icon.orange {
            background: rgba(245, 166, 35, 0.1);
            color: var(--color-accent);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== SCENE SHOWCASE ========== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        .scene-block.reverse {
            flex-direction: row-reverse;
        }

        .scene-image {
            flex: 1 1 45%;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scene-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
            transition: transform var(--transition-slow);
        }

        .scene-image:hover img {
            transform: scale(1.04);
        }

        .scene-text {
            flex: 1 1 45%;
            min-width: 280px;
        }

        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .scene-text p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .scene-tag {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        @media (max-width:768px) {
            .scene-block {
                flex-direction: column !important;
                gap: 20px;
                margin-bottom: 32px;
            }
            .scene-image {
                min-width: 100%;
            }
            .scene-text {
                min-width: 100%;
            }
            .scene-text h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== STATS COUNTER ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 1 1 180px;
            min-width: 140px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary-light);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
        }

        /* ========== FUNCTION LIST ========== */
        .function-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 16px;
        }

        .function-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--color-white);
            padding: 18px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .function-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }

        .function-list .fn-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
        }

        .function-list .fn-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-text);
        }

        .function-list .fn-text p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width:768px) {
            .function-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TESTIMONIAL CARDS ========== */
        .testimonial-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }

        .testimonial-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .testimonial-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .testimonial-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }

        .testimonial-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .testimonial-card .t-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            font-size: 1.1rem;
        }

        .testimonial-card .t-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .testimonial-card .t-time {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
        }

        .testimonial-card .t-text {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            font-style: italic;
        }

        .testimonial-card .t-stars {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        @media (max-width:520px) {
            .testimonial-card {
                flex: 0 0 280px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-lighter);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 0 18px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            margin: 0 20px;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary) !important;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-normal);
            border: none;
            box-shadow: var(--shadow-md);
        }

        .cta-btn-large:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
            background: #fff;
        }

        @media (max-width:768px) {
            .cta-section {
                padding: 32px 20px;
                margin: 0 12px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== BOTTOM STICKY BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-white);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            flex-wrap: wrap;
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .sticky-bottom-bar .sticky-cta {
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .sticky-bottom-bar .sticky-cta:hover {
            background: var(--color-primary-dark);
            transform: scale(1.04);
        }

        @media (max-width:520px) {
            .sticky-bottom-bar {
                padding: 10px 14px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .sticky-cta {
                padding: 8px 18px;
                font-size: 0.8rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 20px;
            font-size: 0.9rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 24px;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width:768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ========== REVEAL MODAL OVERRIDE ========== */
        .reveal {
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            max-width: 700px;
        }

        .reveal .video-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background: var(--color-bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .reveal .video-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
        }

        .reveal .video-placeholder .play-icon-large {
            position: absolute;
            font-size: 4rem;
            color: rgba(255, 255, 255, 0.9);
            pointer-events: none;
        }

        .reveal .close-button {
            position: absolute;
            top: 10px;
            right: 14px;
            color: #fff;
            font-size: 1.5rem;
            z-index: 5;
            cursor: pointer;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
        }

        /* ========== MISC ========== */
        .text-primary {
            color: var(--color-primary) !important;
        }

        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }

        .badge-tag {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
        }

/* roulang page: category5 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
            --sticky-bar-height: 68px;
        }

        @media (max-width:1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }
        @media (max-width:768px) {
            :root {
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
                --section-gap: 32px;
                --section-gap-lg: 44px;
            }
        }
        @media (max-width:520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 84px;
                --nav-top-height: 42px;
                --nav-tabs-height: 34px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
            padding-bottom: var(--sticky-bar-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }
        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 1 320px;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
        }
        .nav-search-wrap input {
            flex: 1;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 9px 16px;
            font-size: 0.9rem;
            background: var(--color-bg);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 0;
        }
        .nav-search-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.08);
        }
        .nav-search-btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-search-btn:hover {
            background: var(--color-primary-dark);
        }
        .nav-cta-top {
            flex-shrink: 0;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 9px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .nav-cta-top:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.04);
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-secondary);
            padding: 6px;
            flex-shrink: 0;
        }
        @media (max-width:768px) {
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-top {
                display: none;
            }
            .nav-mobile-toggle {
                display: block;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-top-row {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }
        @media (max-width:520px) {
            .nav-tab {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .nav-tabs-row {
                padding: 0 8px;
                gap: 1px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
        }

        /* ========== HERO - 白皮书获客 ========== */
        .hero-whitepaper {
            background: linear-gradient(170deg, #fafafb 0%, #f0f1f5 40%, #e8e9ee 100%);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-whitepaper::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-whitepaper .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-cover-wrap {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-cover-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            width: 100%;
            max-width: 420px;
            transform: rotate(-2deg);
            transition: transform var(--transition-slow);
            position: relative;
            z-index: 2;
        }
        .hero-cover-card:hover {
            transform: rotate(0deg) translateY(-6px);
            box-shadow: 0 24px 56px rgba(0, 0, 0, 0.18);
        }
        .hero-cover-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            display: block;
        }
        .hero-cover-badge {
            position: absolute;
            top: 16px;
            left: -4px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px 6px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            z-index: 3;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-md);
        }
        .hero-cover-shadow {
            position: absolute;
            bottom: -16px;
            left: 10%;
            width: 80%;
            height: 28px;
            background: rgba(0, 0, 0, 0.18);
            border-radius: 50%;
            filter: blur(18px);
            z-index: 1;
        }
        .hero-content-wrap h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .hero-content-wrap h1 span {
            color: var(--color-primary);
        }
        .hero-content-wrap .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .hero-toc {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .hero-toc-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-toc-title i {
            color: var(--color-primary);
        }
        .hero-toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .hero-toc-list li {
            font-size: 0.88rem;
            color: var(--color-text-light);
            padding-left: 18px;
            position: relative;
            line-height: 1.5;
        }
        .hero-toc-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 7px;
            height: 7px;
            background: var(--color-primary);
            border-radius: 50%;
        }
        .hero-form-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-form-wrap input {
            flex: 1;
            min-width: 200px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 12px 18px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: #fff;
        }
        .hero-form-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(232, 69, 60, 0.07);
        }
        .hero-form-wrap .btn-download {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 12px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-form-wrap .btn-download:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        @media (max-width:768px) {
            .hero-whitepaper .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-cover-card {
                max-width: 280px;
                transform: rotate(-1deg);
            }
            .hero-content-wrap h1 {
                font-size: 1.6rem;
            }
            .hero-content-wrap .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-form-wrap {
                flex-direction: column;
            }
            .hero-form-wrap input {
                min-width: auto;
            }
            .hero-form-wrap .btn-download {
                justify-content: center;
            }
        }
        @media (max-width:520px) {
            .hero-whitepaper {
                padding: 32px 0 40px;
            }
            .hero-cover-card {
                max-width: 220px;
            }
            .hero-content-wrap h1 {
                font-size: 1.35rem;
            }
            .hero-toc {
                padding: 14px 16px;
            }
            .hero-toc-list li {
                font-size: 0.8rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            text-align: center;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width:768px) {
            .section-title {
                font-size: 1.35rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }

        /* ========== SELLING POINTS - 卖点三连 ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sp-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .sp-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .sp-card .sp-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: #fff;
        }
        .sp-card .sp-icon.red {
            background: linear-gradient(135deg, #e8453c, #c0392b);
        }
        .sp-card .sp-icon.orange {
            background: linear-gradient(135deg, #f5a623, #e0950f);
        }
        .sp-card .sp-icon.blue {
            background: linear-gradient(135deg, #3b7ddd, #2563a8);
        }
        .sp-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 8px;
        }
        .sp-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width:768px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .sp-card {
                padding: 22px 18px;
            }
        }

        /* ========== SCENE DEMO ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .scene-item {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .scene-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .scene-item img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .scene-item-body {
            padding: 18px 20px;
        }
        .scene-item-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 6px;
        }
        .scene-item-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }
        @media (max-width:768px) {
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== SOCIAL PROOF / STATS ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }
        @media (max-width:768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width:520px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== FEATURE DETAIL ========== */
        .feature-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .feature-detail-grid.reverse {
            direction: rtl;
        }
        .feature-detail-grid.reverse>* {
            direction: ltr;
        }
        .feature-detail-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-detail-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .feature-detail-text h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }
        .feature-detail-text p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .feature-detail-text .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .feature-tag {
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
        }
        @media (max-width:768px) {
            .feature-detail-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-detail-text h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: var(--shadow-md);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }
        .process-connector {
            position: absolute;
            top: 24px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        @media (max-width:768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-connector {
                display: none;
            }
        }
        @media (max-width:520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .testimonial-card .t-text {
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 10px;
            font-style: italic;
        }
        .testimonial-card .t-name {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-secondary);
        }
        .testimonial-card .t-role {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
        }
        @media (max-width:768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-q:hover {
            color: var(--color-primary);
        }
        .faq-q i {
            transition: transform var(--transition-fast);
            color: var(--color-text-lighter);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-a {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        @media (max-width:520px) {
            .faq-q {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-a {
                padding: 0 16px 14px;
                font-size: 0.83rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta-lg {
            display: inline-block;
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
            color: var(--color-primary-dark);
        }
        @media (max-width:768px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            height: var(--sticky-bar-height);
            flex-wrap: wrap;
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-secondary);
            white-space: nowrap;
        }
        .sticky-bottom-bar .sticky-text span {
            color: var(--color-primary);
        }
        .sticky-bottom-bar .btn-sticky {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 10px 24px;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .sticky-bottom-bar .btn-sticky:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        @media (max-width:520px) {
            .sticky-bottom-bar {
                gap: 8px;
                padding: 8px 12px;
                height: auto;
                min-height: 56px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            margin-top: 28px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            gap: 10px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: var(--color-primary-light);
        }
        @media (max-width:768px) {
            .site-footer {
                padding: 28px 0 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        @media (max-width:1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }
        @media (max-width:768px) {
            :root {
                --section-gap: 32px;
                --section-gap-lg: 44px;
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
            }
        }
        @media (max-width:520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 88px;
                --nav-top-height: 44px;
                --nav-tabs-height: 36px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }
        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
        }
        .nav-search-wrap input {
            flex: 1;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 10px 16px;
            font-size: 0.9rem;
            background: var(--color-bg-alt);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 0;
        }
        .nav-search-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.1);
            background: var(--color-white);
        }
        .nav-search-btn {
            background: var(--color-primary);
            border: none;
            border-radius: var(--radius-full);
            width: 38px;
            height: 38px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-search-btn:hover {
            background: var(--color-primary-dark);
        }
        .nav-cta-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 9px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-nav-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-nav-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.05);
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        @media (max-width:768px) {
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-top .btn-nav-outline {
                display: none;
            }
            .nav-top-row {
                padding: 0 16px;
            }
            .nav-tabs-row {
                padding: 0 12px;
                gap: 2px;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-lg {
            padding: var(--section-gap-lg) 0;
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: #e0e0e8;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-primary-bg {
            background: linear-gradient(160deg, #1a1a2e 0%, #252540 40%, #1f1f35 100%);
            color: #e0e0e8;
        }

        /* ========== HERO STAGE ========== */
        .hero-stage {
            background: linear-gradient(180deg, #fafafb 0%, #f0f1f5 40%, #e8e9ef 100%);
            padding: 50px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-stage::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-stage::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-stage-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .hero-stage-left {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-stage-right {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-stage-center {
            flex: 1;
            text-align: center;
            position: relative;
        }
        .hero-stage-center .stage-img-wrap {
            position: relative;
            display: inline-block;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 4px solid #fff;
            max-width: 600px;
            width: 100%;
        }
        .hero-stage-center .stage-img-wrap img {
            width: 100%;
            border-radius: var(--radius-lg);
            display: block;
        }
        .hero-stage-center .stage-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-primary);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 69, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 69, 60, 0);
            }
        }
        .hero-stage-title {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 20px 0 10px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .hero-stage-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .value-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border-left: 3px solid transparent;
        }
        .value-point:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
            border-left-color: var(--color-primary);
        }
        .value-point .vp-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .vp-icon-red {
            background: rgba(232, 69, 60, 0.1);
            color: var(--color-primary);
        }
        .vp-icon-accent {
            background: rgba(245, 166, 35, 0.1);
            color: var(--color-accent);
        }
        .vp-icon-green {
            background: rgba(39, 174, 96, 0.1);
            color: var(--color-success);
        }
        .value-point .vp-text strong {
            display: block;
            font-size: 0.95rem;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .value-point .vp-text span {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }
        .btn-stage-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 32px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-md);
            white-space: nowrap;
        }
        .btn-stage-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-stage-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-full);
            padding: 12px 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn-stage-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        @media (max-width:1024px) {
            .hero-stage-inner {
                flex-direction: column;
                gap: 30px;
            }
            .hero-stage-left,
            .hero-stage-right {
                flex: 0 0 auto;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 12px;
                width: 100%;
                justify-content: center;
            }
            .hero-stage-left .value-point,
            .hero-stage-right .btn-stage-cta,
            .hero-stage-right .btn-stage-outline {
                flex: 0 0 auto;
            }
            .hero-stage-title {
                font-size: 1.8rem;
            }
            .hero-stage-subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width:520px) {
            .hero-stage {
                padding: 30px 0 40px;
            }
            .hero-stage-title {
                font-size: 1.5rem;
            }
            .hero-stage-subtitle {
                font-size: 0.9rem;
            }
            .value-point {
                padding: 10px 12px;
                gap: 8px;
            }
            .value-point .vp-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-stage-cta,
            .btn-stage-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .hero-stage-center .stage-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
                top: 8px;
                right: 8px;
            }
        }

        /* ========== CARDS ========== */
        .card-talent {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-talent:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-talent .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }
        .card-talent .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-talent:hover .card-img img {
            transform: scale(1.05);
        }
        .card-talent .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }
        .card-talent .card-img .card-live-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 10px;
            height: 10px;
            background: #27ae60;
            border-radius: 50%;
            z-index: 2;
            animation: live-pulse 1.5s infinite;
            box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.6);
        }
        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
            }
        }
        .card-talent .card-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-talent .card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .card-talent .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0 0 12px;
            flex: 1;
        }
        .card-talent .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }
        .card-talent .card-meta i {
            color: var(--color-primary);
            font-size: 0.75rem;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            text-align: center;
        }
        .stat-item {
            flex: 0 0 auto;
            min-width: 150px;
            padding: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            position: relative;
        }
        .process-step {
            flex: 0 0 220px;
            text-align: center;
            position: relative;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .process-step .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 14px;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ========== FEATURE BLOCKS ========== */
        .feature-block-alt {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 30px 0;
        }
        .feature-block-alt.reverse {
            flex-direction: row-reverse;
        }
        .feature-block-alt .fb-img {
            flex: 0 0 45%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-block-alt .fb-img img {
            width: 100%;
            display: block;
        }
        .feature-block-alt .fb-content {
            flex: 1;
        }
        .feature-block-alt .fb-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--color-text);
        }
        .feature-block-alt .fb-content p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0 0 14px;
        }
        @media (max-width:768px) {
            .feature-block-alt,
            .feature-block-alt.reverse {
                flex-direction: column;
                gap: 20px;
            }
            .feature-block-alt .fb-img {
                flex: 0 0 auto;
                width: 100%;
            }
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .t-quote {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--color-primary);
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .testimonial-card .t-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-card .t-role {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(232, 69, 60, 0.03);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 50px 20px;
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin: 0 0 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary);
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-normal);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-md);
        }
        .btn-cta-white:hover {
            background: #f8f8f8;
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== STICKY BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            transform: translateY(100%);
            transition: transform var(--transition-normal);
        }
        .sticky-cta-bar.visible {
            transform: translateY(0);
        }
        .sticky-cta-bar .sticky-msg {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .sticky-cta-bar .btn-sticky {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 10px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .sticky-cta-bar .btn-sticky:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        @media (max-width:520px) {
            .sticky-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                text-align: center;
            }
            .sticky-cta-bar .sticky-msg {
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 30px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .text-primary {
            color: var(--color-primary);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: 30px;
            max-width: 600px;
        }
        .section-subtitle.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        @media (max-width:768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
            --sticky-bar-height: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 32px;
                --section-gap-lg: 44px;
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
                --sticky-bar-height: 60px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 86px;
                --nav-top-height: 44px;
                --nav-tabs-height: 36px;
                --sticky-bar-height: 64px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
            padding-bottom: var(--sticky-bar-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }

        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 320px;
            width: 100%;
            margin: 0 20px;
            position: relative;
        }

        .nav-search-input {
            width: 100%;
            height: 38px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 0 40px 0 16px;
            font-size: 0.9rem;
            background: var(--color-bg);
            color: var(--color-text);
            transition: all var(--transition-fast);
            outline: none;
        }

        .nav-search-input:focus {
            border-color: var(--color-primary);
            background: var(--color-white);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.08);
        }

        .nav-search-btn {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--color-primary);
            border: none;
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-search-btn:hover {
            background: var(--color-primary-dark);
        }

        .nav-cta-btn {
            flex-shrink: 0;
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }

        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
            background: transparent;
            border: 1px solid transparent;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 60, 0.04);
        }

        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-tab {
                padding: 5px 11px;
                font-size: 0.78rem;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-mobile-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .nav-top-row {
                padding: 0 12px;
            }
            .nav-logo {
                font-size: 1rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                font-size: 0.75rem;
                padding: 6px 11px;
            }
            .nav-tab {
                padding: 4px 9px;
                font-size: 0.72rem;
            }
            .nav-tabs-row {
                padding: 0 8px;
                gap: 1px;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: 24px;
            max-width: 640px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 60px 0 56px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92) 0%, rgba(26, 26, 46, 0.78) 50%, rgba(13, 13, 26, 0.88) 100%);
            z-index: 1;
        }

        .hero-category .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 360px;
            margin: 0 auto 28px;
        }

        .hero-icon-cell {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-normal);
            backdrop-filter: blur(4px);
        }

        .hero-icon-cell:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .hero-icon-cell i {
            font-size: 2rem;
            color: var(--color-primary-light);
            display: block;
            margin-bottom: 8px;
        }

        .hero-icon-cell span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .hero-status-bar {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-full);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
        }

        .hero-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
            }
        }

        .hero-category .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .hero-category .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .hero-cta-wrap {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        @media (max-width: 768px) {
            .hero-category {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .hero-category .hero-title {
                font-size: 1.7rem;
            }
            .hero-category .hero-desc {
                font-size: 0.9rem;
                max-width: 90%;
            }
            .hero-icon-matrix {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                max-width: 280px;
            }
            .hero-icon-cell {
                padding: 14px 10px;
            }
            .hero-icon-cell i {
                font-size: 1.5rem;
            }
            .hero-icon-cell span {
                font-size: 0.75rem;
            }
            .hero-status-bar {
                gap: 12px;
                padding: 10px 14px;
                flex-wrap: wrap;
            }
            .hero-status-item {
                font-size: 0.75rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category .hero-title {
                font-size: 1.4rem;
            }
            .hero-icon-matrix {
                max-width: 240px;
                gap: 8px;
            }
            .hero-icon-cell {
                padding: 10px 8px;
            }
            .hero-icon-cell i {
                font-size: 1.2rem;
                margin-bottom: 4px;
            }
            .hero-icon-cell span {
                font-size: 0.7rem;
            }
            .hero-status-bar {
                gap: 6px;
                padding: 8px 10px;
                border-radius: var(--radius-md);
            }
            .hero-status-item {
                font-size: 0.7rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* ========== SELLING POINTS ========== */
        .selling-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            text-align: center;
        }

        .selling-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .selling-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(232, 69, 60, 0.1), rgba(232, 69, 60, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
        }

        .selling-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .selling-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== IDOL SHOWCASE ========== */
        .idol-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .idol-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .idol-card .idol-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-alt);
        }

        .idol-card .idol-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .idol-card:hover .idol-img-wrap img {
            transform: scale(1.06);
        }

        .idol-card .idol-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            z-index: 2;
        }

        .idol-card .idol-info {
            padding: 16px;
        }

        .idol-card .idol-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .idol-card .idol-info .idol-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .idol-tag {
            font-size: 0.75rem;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 500;
        }

        .idol-card .idol-info .idol-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== TECH SECTION ========== */
        .tech-block {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .tech-block:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .tech-block .tech-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
        }

        .tech-block .tech-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .tech-block .tech-content p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STATS ========== */
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary-light);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--color-primary);
            opacity: 0.3;
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: serif;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 12px;
            padding-top: 8px;
        }

        .testimonial-card .quote-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-light);
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-accordion .accordion-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-title {
            display: block;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            position: relative;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            transition: transform var(--transition-normal);
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--color-primary);
        }

        .faq-accordion .accordion-content {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        .faq-accordion .accordion-item.is-active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: rgba(232, 69, 60, 0.25);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            background: rgba(245, 166, 35, 0.2);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-white);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            height: var(--sticky-bar-height);
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        .sticky-bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                gap: 8px;
                padding: 8px 12px;
                flex-direction: column;
                height: auto;
                min-height: var(--sticky-bar-height);
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-primary {
                padding: 8px 16px;
                font-size: 0.8rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 20px;
            font-size: 0.85rem;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 28px;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-primary-light);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 28px 0 16px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .gap-sm {
            gap: 12px;
        }
        .gap-md {
            gap: 20px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }

/* roulang page: category7 */
:root {
            --color-primary: #e8453c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f05a4f;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252540;
            --color-accent: #f5a623;
            --color-accent-dark: #e0950f;
            --color-bg: #fafafb;
            --color-bg-alt: #f0f1f5;
            --color-bg-dark: #0d0d1a;
            --color-text: #1c1c28;
            --color-text-light: #5a5a6e;
            --color-text-lighter: #8a8a9a;
            --color-white: #ffffff;
            --color-border: #e2e3e8;
            --color-border-light: #f0f1f5;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-gold: #d4a843;
            --color-gold-light: #f0d78c;
            --color-diamond: #7ec8e3;
            --color-diamond-light: #b8e4f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 40px rgba(232, 69, 60, 0.25);
            --shadow-gold: 0 0 30px rgba(212, 168, 67, 0.3);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-gap: 56px;
            --section-gap-lg: 80px;
            --container-max: 1200px;
            --nav-height: 128px;
            --nav-top-height: 56px;
            --nav-tabs-height: 48px;
        }

        @media (max-width:1024px) {
            :root {
                --section-gap: 40px;
                --section-gap-lg: 56px;
                --nav-height: 100px;
                --nav-top-height: 50px;
                --nav-tabs-height: 42px;
            }
        }
        @media (max-width:768px) {
            :root {
                --section-gap: 32px;
                --section-gap-lg: 44px;
                --nav-height: 92px;
                --nav-top-height: 46px;
                --nav-tabs-height: 38px;
            }
        }
        @media (max-width:520px) {
            :root {
                --section-gap: 24px;
                --section-gap-lg: 32px;
                --nav-height: 86px;
                --nav-top-height: 42px;
                --nav-tabs-height: 36px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
            height: var(--nav-height);
        }
        .site-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border-light);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            max-width: 280px;
            width: 100%;
            margin: 0 20px;
        }
        .nav-search-wrap input {
            flex: 1;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 16px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
            min-width: 0;
        }
        .nav-search-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 60, 0.08);
        }
        .nav-search-wrap button {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-search-wrap button:hover {
            background: var(--color-primary-dark);
        }
        .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: none;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }
        .nav-tabs-row {
            display: flex;
            align-items: center;
            height: var(--nav-tabs-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-tab:hover {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }
        .nav-tab.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            flex-shrink: 0;
        }
        @media (max-width:768px) {
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .nav-tabs-row {
                gap: 2px;
                padding: 0 12px;
            }
            .nav-tab {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
        }
        @media (max-width:520px) {
            .nav-tab {
                padding: 4px 10px;
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
        }

        /* ========== HERO ========== */
        .hero-vip {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-vip::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92) 0%, rgba(26, 26, 46, 0.78) 40%, rgba(13, 13, 26, 0.88) 100%);
            z-index: 1;
        }
        .hero-vip::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.18) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-vip-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
            width: 100%;
        }
        .hero-vip-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-vip-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 166, 35, 0.2);
            border: 1px solid rgba(245, 166, 35, 0.4);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero-vip-badge i {
            font-size: 0.75rem;
        }
        .hero-vip-text h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-vip-text h1 .highlight {
            background: linear-gradient(135deg, var(--color-accent), #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-vip-text p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-vip-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            background: var(--color-primary);
            color: #fff !important;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 69, 60, 0.4);
            color: #fff !important;
        }
        .btn-outline-lg {
            background: transparent;
            color: #fff !important;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff !important;
            transform: translateY(-2px);
        }
        .hero-vip-visual {
            flex: 0 0 380px;
            max-width: 380px;
            position: relative;
        }
        .hero-vip-card-visual {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            text-align: center;
        }
        .hero-vip-card-visual .vip-icon-large {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), #c88a1a);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 2rem;
            color: #fff;
            box-shadow: var(--shadow-gold);
        }
        .hero-vip-card-visual .vip-stat {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            line-height: 1;
        }
        .hero-vip-card-visual .vip-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        @media (max-width:768px) {
            .hero-vip {
                min-height: auto;
                padding: 60px 0 40px;
            }
            .hero-vip-content {
                flex-direction: column;
                gap: 32px;
            }
            .hero-vip-visual {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .hero-vip-text h1 {
                font-size: 2rem;
            }
            .hero-vip-text p {
                font-size: 1rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        /* ========== BENEFITS THREE ========== */
        .section-benefits {
            padding: var(--section-gap-lg) 0;
            background: var(--color-white);
        }
        .section-benefits .section-label {
            text-align: center;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .section-benefits .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 40px;
            letter-spacing: -0.01em;
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .benefit-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .benefit-card:hover::before {
            opacity: 1;
        }
        .benefit-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }
        .benefit-card:hover .benefit-icon-circle {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .benefit-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }
        @media (max-width:768px) {
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-benefits .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== TIER COMPARISON ========== */
        .section-tiers {
            padding: var(--section-gap-lg) 0;
            background: var(--color-bg-alt);
        }
        .section-tiers .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .section-tiers .section-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: 40px;
        }
        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fffdf7;
        }
        .tier-card.featured .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 20px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .tier-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
        }
        .tier-card.featured:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-xl);
        }
        .tier-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }
        .tier-icon.silver {
            background: linear-gradient(135deg, #b0b8c1, #8a939d);
        }
        .tier-icon.gold {
            background: linear-gradient(135deg, #d4a843, #b8861f);
        }
        .tier-icon.diamond {
            background: linear-gradient(135deg, #7ec8e3, #4a9dbe);
        }
        .tier-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .tier-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-text);
            margin: 8px 0;
        }
        .tier-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-text-light);
        }
        .tier-features {
            list-style: none;
            margin: 16px 0 20px;
            padding: 0;
            text-align: left;
            flex: 1;
        }
        .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text-light);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .tier-features li:last-child {
            border-bottom: none;
        }
        .tier-features li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-tier {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-normal);
            text-align: center;
        }
        .btn-tier-silver {
            background: #b0b8c1;
            color: #fff !important;
        }
        .btn-tier-silver:hover {
            background: #8a939d;
            color: #fff !important;
        }
        .btn-tier-gold {
            background: var(--color-accent);
            color: #fff !important;
            box-shadow: var(--shadow-gold);
        }
        .btn-tier-gold:hover {
            background: var(--color-accent-dark);
            color: #fff !important;
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.45);
        }
        .btn-tier-diamond {
            background: var(--color-diamond);
            color: #fff !important;
        }
        .btn-tier-diamond:hover {
            background: #4a9dbe;
            color: #fff !important;
        }
        @media (max-width:768px) {
            .tiers-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tier-card.featured {
                transform: none;
            }
            .section-tiers .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== SCENE DEMO ========== */
        .section-scene {
            padding: var(--section-gap-lg) 0;
            background: var(--color-white);
        }
        .section-scene .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 36px;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .scene-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .scene-card-body {
            padding: 20px;
            flex: 1;
        }
        .scene-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .scene-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }
        .scene-tag {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-primary);
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        @media (max-width:768px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .section-scene .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== PRIVILEGE DETAIL ========== */
        .section-privilege {
            padding: var(--section-gap-lg) 0;
            background: var(--color-bg-alt);
        }
        .section-privilege .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 36px;
        }
        .privilege-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .privilege-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .privilege-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .privilege-item .priv-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(232, 69, 60, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }
        .privilege-item:hover .priv-icon {
            background: var(--color-primary);
            color: #fff;
        }
        .privilege-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 3px;
        }
        .privilege-item p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width:768px) {
            .privilege-list {
                grid-template-columns: 1fr;
            }
            .section-privilege .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== STATS ========== */
        .section-stats {
            padding: var(--section-gap) 0;
            background: var(--color-secondary);
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, var(--color-accent), #f7d06e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        @media (max-width:768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width:520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .section-testimonials {
            padding: var(--section-gap-lg) 0;
            background: var(--color-white);
        }
        .section-testimonials .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 36px;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .stars {
            color: var(--color-accent);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            font-style: italic;
        }
        .testimonial-card .author {
            font-weight: 700;
            color: var(--color-text);
            margin-top: 10px;
            font-size: 0.85rem;
            font-style: normal;
        }
        .testimonial-card .author span {
            font-weight: 400;
            color: var(--color-text-lighter);
            font-size: 0.8rem;
        }
        @media (max-width:768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .section-testimonials .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== FAQ ========== */
        .section-faq {
            padding: var(--section-gap-lg) 0;
            background: var(--color-bg-alt);
        }
        .section-faq .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 36px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-text-lighter);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width:768px) {
            .section-faq .section-title {
                font-size: 1.5rem;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
        }

        /* ========== STICKY CTA BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--color-white);
            z-index: 999;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-normal);
        }
        .sticky-cta-bar.visible {
            transform: translateY(0);
        }
        .sticky-cta-bar .cta-bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .sticky-cta-bar .cta-bar-text span {
            color: var(--color-primary);
        }
        .sticky-cta-bar .btn-primary-lg {
            padding: 10px 28px;
            font-size: 0.9rem;
        }
        @media (max-width:520px) {
            .sticky-cta-bar {
                flex-direction: column;
                gap: 10px;
                text-align: center;
                padding: 12px 16px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width:768px) {
            .site-footer {
                padding: 32px 0 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width:768px) {
            .site-footer .row .columns {
                margin-bottom: 20px;
            }
        }