/* roulang page: index */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }
        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
        }
        h1 {
            font-size: clamp(2rem, 4vw, 3rem);
        }
        h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
        }
        h3 {
            font-size: clamp(1.1rem, 1.8vw, 1.35rem);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }
        .header-nav a.active {
            color: var(--gold-dark);
            font-weight: 700;
            background: #fdf9ef;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search input {
            width: 180px;
            padding: 8px 36px 8px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid var(--border);
            background: #f9f8f5;
            transition: all var(--transition);
        }
        .header-search input:focus {
            width: 220px;
            border-color: var(--gold);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.08);
        }
        .header-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            pointer-events: none;
            font-size: 0.9rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: var(--gold);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            background: var(--gold-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.35);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 52, 62, 0.3);
        }
        .btn-accent:hover {
            background: #c02832;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(212, 52, 62, 0.4);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 26px;
        }
        .btn-xl {
            padding: 16px 38px;
            font-size: 1.05rem;
            border-radius: 28px;
            letter-spacing: 0.5px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        @media (max-width: 1024px) {
            .header-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: var(--spacing-sm);
                gap: 2px;
                z-index: 999;
            }
            .header-nav.mobile-open a {
                padding: 12px 16px;
                border-radius: var(--radius);
                width: 100%;
                text-align: center;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 34, 0.82) 0%, rgba(15, 18, 34, 0.7) 50%, rgba(15, 18, 34, 0.88) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .hero-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            z-index: 2;
            position: relative;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.13);
            color: #e8e4d8;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .hero-tag:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-1px);
        }
        .hero-tag.hot {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            font-weight: 700;
        }
        .hero-content {
            max-width: 680px;
            display: flex;
            flex-direction: column;
            gap: var(--spacing);
        }
        .hero-content h1 {
            color: #fff;
            font-size: clamp(2.2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .hero-content h1 .gold-text {
            color: var(--gold-light);
        }
        .hero-content p {
            font-size: 1.05rem;
            color: #d5d1c8;
            line-height: 1.75;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .hero-stats {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: 4px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold-light);
        }
        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: #b0aaa0;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 440px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content p {
                font-size: 0.92rem;
            }
            .hero-stats {
                gap: var(--spacing);
            }
            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
        }

        /* Section通用 */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-gray {
            background: var(--bg-section);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            margin-bottom: var(--spacing-xs);
        }
        .section-header .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-subtitle {
            color: #bbb;
        }

        /* 功能对比表 */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .compare-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            text-align: center;
            font-weight: 700;
            font-size: 0.88rem;
            letter-spacing: 0.3px;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table thead th.highlight-col {
            background: var(--gold);
            color: #fff;
            position: relative;
        }
        .compare-table thead th.highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 10px;
            font-weight: 600;
        }
        .compare-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check-icon {
            color: #2eaa5e;
            font-weight: 700;
        }
        .compare-table .dash-icon {
            color: #ccc;
        }

        /* 推荐卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing);
        }
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #ddd;
        }
        .card-image {
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0efe9;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            background: #fdf3e0;
            color: #b8781e;
            align-self: flex-start;
        }
        .card-badge.hot {
            background: #fde8e8;
            color: #c0392b;
        }
        .card h3 {
            font-size: 1.1rem;
        }
        .card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }

        /* 新闻中心 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .news-item {
            background: #fff;
            border-radius: var(--radius);
            padding: var(--spacing);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: #ddd;
        }
        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .news-item h4 {
            font-size: 1rem;
            color: var(--primary);
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        .news-item .btn {
            align-self: flex-start;
            font-size: 0.8rem;
            padding: 6px 14px;
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            height: fit-content;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }
        .news-sidebar h3 {
            font-size: 1.05rem;
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--gold);
        }
        .news-sidebar .side-item {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition);
            cursor: pointer;
        }
        .news-sidebar .side-item:hover {
            color: var(--gold-dark);
        }
        .news-sidebar .side-item:last-child {
            border-bottom: none;
        }

        /* 新手入门 */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
            counter-reset: step;
        }
        @media (max-width: 768px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition-slow);
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gold);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
        }
        .step-card h4 {
            margin-bottom: 4px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* 社会认同 */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
            align-items: center;
            padding: var(--spacing) 0;
        }
        .trust-item {
            text-align: center;
            padding: var(--spacing);
            flex: 1;
            min-width: 140px;
        }
        .trust-item .trust-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold-dark);
        }
        .trust-item .trust-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        .trust-stars {
            color: #f0b90b;
            font-size: 1.3rem;
            letter-spacing: 2px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #ddd;
        }
        .faq-item summary {
            padding: var(--spacing);
            font-weight: 700;
            cursor: pointer;
            font-size: 1rem;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            color: var(--gold);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 var(--spacing) var(--spacing);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-xl) 0;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }
        .cta-section p {
            color: #ccc;
            max-width: 550px;
            margin: 0 auto var(--spacing);
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 2px solid var(--gold);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            z-index: 998;
            padding: 12px var(--spacing);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing);
            flex-wrap: wrap;
        }
        .sticky-cta-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
        }
        .sticky-cta-bar .bar-highlight {
            color: var(--accent);
            font-weight: 700;
        }

        /* 品牌介绍 */
        .brand-intro {
            max-width: 750px;
            margin: 0 auto;
            text-align: center;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* 安全体系 */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: var(--spacing);
        }
        .security-card {
            background: #fff;
            border-radius: var(--radius);
            padding: var(--spacing);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
        }
        .security-card:hover {
            box-shadow: var(--shadow);
        }
        .security-card .sec-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .security-card h4 {
            margin-bottom: 4px;
        }
        .security-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* 内容预告 */
        .timeline-row {
            display: flex;
            gap: var(--spacing);
            overflow-x: auto;
            padding-bottom: var(--spacing-sm);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .timeline-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .timeline-card .tl-date {
            font-size: 0.8rem;
            color: var(--gold-dark);
            font-weight: 700;
        }
        .timeline-card h4 {
            margin: 4px 0;
        }
        .timeline-card p {
            font-size: 0.84rem;
            color: var(--text-secondary);
        }

        /* 用户口碑 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--spacing);
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .testimonial-card .t-stars {
            color: #f0b90b;
            font-size: 1rem;
            letter-spacing: 1px;
        }
        .testimonial-card .t-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-style: italic;
            line-height: 1.6;
        }
        .testimonial-card .t-author {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #bbb;
            padding: var(--spacing-xl) 0 var(--spacing);
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: var(--spacing-sm);
            font-size: 0.95rem;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            color: #999;
            font-size: 0.84rem;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom a {
            color: #aaa;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px var(--spacing-sm);
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 服务范围 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: var(--spacing);
        }
        .service-item {
            background: #fff;
            border-radius: var(--radius);
            padding: var(--spacing);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .service-item:hover {
            box-shadow: var(--shadow);
            border-color: #ddd;
        }
        .service-item .svc-icon {
            font-size: 2.2rem;
            margin-bottom: 6px;
        }
        .service-item h4 {
            margin-bottom: 2px;
            font-size: 0.95rem;
        }
        .service-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 数据指标 */
        .data-strip {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing);
            justify-content: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        .data-point {
            text-align: center;
            flex: 1;
            min-width: 100px;
            padding: var(--spacing-sm);
        }
        .data-point .dp-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }
        .data-point .dp-value.gold {
            color: var(--gold-dark);
        }
        .data-point .dp-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

/* roulang page: category3 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }
        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

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

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }
        .header-nav a.active {
            color: var(--bg-white);
            background: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .header-nav a.active:hover {
            color: var(--bg-white);
            background: var(--primary-light);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(212, 52, 62, 0.3);
            transition: all var(--transition);
        }
        .btn-nav-cta:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 52, 62, 0.4);
            transform: translateY(-1px);
        }
        .search-trigger {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #f5f4f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .search-trigger:hover {
            background: #eae8e2;
            color: var(--primary);
        }

        /* Mobile Nav Toggle */
        .mobile-nav-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #f5f4f0;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-secondary);
            flex-shrink: 0;
            cursor: pointer;
            border: none;
        }

        /* Section Base */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-sm {
            padding: var(--spacing-lg) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.6;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: var(--text-white);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 60, 0.88) 0%, rgba(15, 18, 34, 0.78) 60%, rgba(15, 18, 34, 0.85) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
            animation: pulse-badge 2s ease-in-out infinite;
            position: relative;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 52, 62, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(212, 52, 62, 0);
            }
        }
        .hero-explosion {
            position: absolute;
            top: 30px;
            right: 40px;
            z-index: 3;
            width: 90px;
            height: 90px;
            background: var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-weight: 900;
            font-size: 0.85rem;
            color: #1a1f3c;
            box-shadow: var(--shadow-gold), 0 0 0 8px rgba(201, 168, 76, 0.2);
            transform: rotate(-12deg);
            animation: float-explosion 3s ease-in-out infinite;
            line-height: 1.3;
        }
        @keyframes float-explosion {
            0%,
            100% {
                transform: rotate(-12deg) translateY(0);
            }
            50% {
                transform: rotate(-8deg) translateY(-12px);
            }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
            max-width: 700px;
        }
        .hero-title .highlight {
            color: var(--gold-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(240, 240, 240, 0.85);
            max-width: 600px;
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--gold);
            color: #1a1f3c;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--gold-light);
            color: #1a1f3c;
            box-shadow: 0 6px 28px rgba(201, 168, 76, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold-light);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(240, 240, 240, 0.7);
            line-height: 1.4;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: var(--spacing) 0;
            box-shadow: var(--shadow-sm);
        }
        .stats-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
            text-align: center;
        }
        .stat-card-mini {
            padding: var(--spacing-sm);
            border-radius: var(--radius);
            background: #fafaf8;
            transition: all var(--transition);
        }
        .stat-card-mini:hover {
            background: #f5f4f0;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .stat-card-mini .stat-icon {
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        .stat-card-mini .stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card-mini .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .stat-trend-up {
            color: #16a34a;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .stat-trend-down {
            color: #d4343e;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--gold);
        }
        .feature-card .feature-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, #fef9e7, #fdf3d0);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-sm);
            color: var(--gold-dark);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Process Flow */
        .process-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            position: relative;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: var(--spacing) 0;
            scrollbar-width: thin;
        }
        .process-step {
            flex: 1 0 220px;
            text-align: center;
            position: relative;
            padding: 0 var(--spacing-sm);
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 32px;
            left: calc(50% + 30px);
            width: calc(100% - 60px);
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            border-radius: 2px;
            z-index: 0;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto var(--spacing-sm);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .process-step:hover .process-step-num {
            background: var(--gold);
            color: #1a1f3c;
            box-shadow: var(--shadow-gold);
            transform: scale(1.08);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing);
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: row;
            transition: all var(--transition-slow);
            min-height: 200px;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-img {
            width: 40%;
            flex-shrink: 0;
            overflow: hidden;
            background: #f0efe9;
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }
        .scenario-card .scenario-body {
            padding: var(--spacing);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .scenario-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #fef9e7;
            color: var(--gold-dark);
            margin-bottom: 8px;
            width: fit-content;
        }

        /* Tools Section */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
        }
        .tool-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: var(--spacing);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .tool-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .tool-card .tool-icon {
            font-size: 2.2rem;
            margin-bottom: 8px;
        }
        .tool-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .tool-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Social Proof */
        .proof-section {
            background: var(--bg-section);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            margin: 0 var(--spacing-sm);
        }
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            text-align: center;
        }
        .proof-item .proof-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold-dark);
            line-height: 1;
        }
        .proof-item .proof-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: var(--spacing);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 16px;
            font-size: 3rem;
            color: var(--gold);
            opacity: 0.4;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding-left: 10px;
            padding-top: 8px;
        }
        .testimonial-author {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 8px;
            padding-left: 10px;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: #d5d0c5;
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: var(--spacing);
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #fafaf8;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f4f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            color: var(--text-secondary);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--gold);
            color: #1a1f3c;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing) var(--spacing);
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Bottom Bar */
        .cta-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 2px solid var(--gold);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.10);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }
        .cta-sticky-bar.visible {
            transform: translateY(0);
        }
        .cta-sticky-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing);
            flex-wrap: wrap;
        }
        .cta-sticky-bar .cta-sticky-text {
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            flex: 1;
            min-width: 180px;
        }
        .cta-sticky-bar .cta-sticky-text span {
            color: var(--accent);
        }
        .btn-sticky-cta {
            padding: 12px 28px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            box-shadow: 0 3px 14px rgba(212, 52, 62, 0.35);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .btn-sticky-cta:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(212, 52, 62, 0.45);
            transform: translateY(-2px);
        }
        .btn-sticky-close {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #f0efe9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-shrink: 0;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-sticky-close:hover {
            background: #e0ddd5;
            color: var(--text);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: var(--spacing-xl) 0 var(--spacing);
            margin-top: var(--spacing-2xl);
            border-top: 4px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-light);
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--text-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-explosion {
                width: 70px;
                height: 70px;
                font-size: 0.7rem;
                top: 20px;
                right: 20px;
            }
            .proof-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing);
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                gap: 8px;
            }
            .process-step {
                flex: 1 0 180px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: var(--spacing-sm);
                border-bottom: 2px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 2px;
                z-index: 999;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .header-actions .btn-nav-cta {
                display: none;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-card {
                flex-direction: column;
            }
            .scenario-card .scenario-img {
                width: 100%;
                height: 180px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-explosion {
                width: 56px;
                height: 56px;
                font-size: 0.65rem;
                top: 16px;
                right: 12px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .proof-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .process-flow {
                flex-direction: column;
                align-items: center;
                gap: var(--spacing);
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                flex: 1 0 auto;
                width: 100%;
                max-width: 300px;
            }
            .cta-sticky-bar .container {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-explosion {
                display: none;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .stats-bar-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .container {
                padding: 0 12px;
            }
            .proof-section {
                padding: var(--spacing) var(--spacing-sm);
                margin: 0;
                border-radius: var(--radius);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }

        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

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

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-sm);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }

        .header-nav a.active {
            color: var(--primary);
            background: #f0efe9;
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #f5f4f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-search:hover {
            background: #e8e6df;
            color: var(--primary);
            transform: scale(1.05);
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(212, 52, 62, 0.3);
        }

        .btn-nav-cta:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212, 52, 62, 0.4);
        }

        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.82rem;
                border-radius: 16px;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn-nav-cta {
                padding: 7px 15px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-logo {
                font-size: 1rem;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .header-nav {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0;
                gap: 3px;
            }
            .header-nav a {
                padding: 5px 9px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .btn-search {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 34, 0.88) 0%, rgba(26, 31, 60, 0.82) 40%, rgba(15, 18, 34, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-sm);
            max-width: 800px;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(201, 168, 76, 0.2);
            border: 1px solid rgba(201, 168, 76, 0.4);
            border-radius: 20px;
            color: var(--gold-light);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing);
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .hero-content h1 .gold-text {
            color: var(--gold-light);
            position: relative;
        }

        .hero-content h1 .gold-text::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            opacity: 0.5;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #d0d0d0;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            padding: 14px 32px;
            border-radius: 28px;
            background: var(--gold);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-hero-primary:hover {
            background: var(--gold-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.4);
            color: #1a1a1a;
        }

        .btn-hero-outline {
            padding: 14px 32px;
            border-radius: 28px;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-hero-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-3px);
        }

        .hero-feature-cards {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            margin-top: var(--spacing-lg);
        }

        .hero-feature-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: var(--spacing-sm) var(--spacing);
            text-align: center;
            min-width: 100px;
            flex: 1;
            max-width: 160px;
            transition: all var(--transition);
        }

        .hero-feature-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            border-color: var(--gold);
        }

        .hero-feature-card .hf-icon {
            font-size: 1.8rem;
            color: var(--gold-light);
            margin-bottom: 6px;
        }

        .hero-feature-card .hf-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .hero-feature-card .hf-label {
            font-size: 0.78rem;
            color: #c0c0c0;
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 420px;
                background-attachment: scroll;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
            .hero-feature-card {
                min-width: 70px;
                max-width: 100px;
                padding: 10px 8px;
            }
            .hero-feature-card .hf-num {
                font-size: 1.2rem;
            }
            .hero-feature-card .hf-icon {
                font-size: 1.3rem;
            }
            .hero-feature-card .hf-label {
                font-size: 0.7rem;
            }
        }

        /* Section通用 */
        .section {
            padding: var(--spacing-xl) 0;
        }

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

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

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

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }

        .section-header .section-badge {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(201, 168, 76, 0.1);
            border: 1px solid rgba(201, 168, 76, 0.3);
            border-radius: 16px;
            color: var(--gold-dark);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: var(--spacing-xs);
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.5px;
        }

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

        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header .section-subtitle {
            color: var(--text-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* 卖点三连 */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }

        .sp-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .sp-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), var(--gold-dark));
            opacity: 0;
            transition: opacity var(--transition-slow);
        }

        .sp-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .sp-card:hover::before {
            opacity: 1;
        }

        .sp-card .sp-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #fdf6e3, #f9edc8);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.6rem;
            color: var(--gold-dark);
            transition: all var(--transition);
        }

        .sp-card:hover .sp-icon {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            transform: scale(1.08);
            box-shadow: var(--shadow-gold);
        }

        .sp-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .sp-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .sp-card {
                padding: var(--spacing);
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .selling-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 玩法分类网格 */
        .play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }

        .play-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .play-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--gold);
        }

        .play-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .play-card-img .play-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .play-card-body {
            padding: var(--spacing);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .play-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .play-card-body .play-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .play-card-body .play-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .play-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
        }

        .play-card-body .btn-play-detail {
            margin-top: var(--spacing-sm);
            padding: 9px 18px;
            border-radius: 20px;
            background: transparent;
            border: 1.5px solid var(--gold);
            color: var(--gold-dark);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .play-card-body .btn-play-detail:hover {
            background: var(--gold);
            color: #fff;
            border-color: var(--gold);
        }

        @media (max-width: 768px) {
            .play-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .play-card-img {
                height: 160px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 流程步骤 */
        .steps-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            position: relative;
            padding: var(--spacing);
            transition: all var(--transition);
        }

        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            font-weight: 900;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
            transition: all var(--transition);
        }

        .step-item:hover .step-num {
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.4);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .step-connector {
            display: none;
        }

        @media (min-width: 769px) {
            .step-connector {
                display: block;
                position: absolute;
                top: 28px;
                left: calc(50% + 30px);
                width: calc(100% - 60px);
                height: 2px;
                background: linear-gradient(90deg, var(--gold), transparent);
                z-index: 1;
                opacity: 0.4;
            }
            .steps-flow {
                position: relative;
            }
            .steps-flow .step-connector {
                display: block;
                position: absolute;
                top: 56px;
                left: 15%;
                right: 15%;
                height: 2px;
                background: repeating-linear-gradient(90deg, var(--gold) 0px, var(--gold) 8px, transparent 8px, transparent 20px);
                z-index: 0;
                opacity: 0.5;
            }
        }

        @media (max-width: 768px) {
            .steps-flow {
                flex-direction: column;
                align-items: center;
                gap: var(--spacing-sm);
            }
            .step-item {
                max-width: 100%;
                min-width: auto;
            }
        }

        /* 数据统计区 */
        .stats-row {
            display: flex;
            gap: var(--spacing);
            flex-wrap: wrap;
            justify-content: center;
        }

        .stat-card {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--gold-light);
            margin-bottom: 8px;
        }

        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1;
            margin-bottom: 4px;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        @media (max-width: 768px) {
            .stat-card {
                min-width: 130px;
                max-width: 160px;
                padding: var(--spacing-sm);
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
        }

        /* 评价区 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

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

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

        .testimonial-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            padding-top: var(--spacing-xs);
        }

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

        .t-author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8e6df, #d5d2c8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .t-author-info .t-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .t-author-info .t-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            padding: var(--spacing);
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            user-select: none;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f4f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--gold);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing) var(--spacing);
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-sm);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .cta-section p {
            color: #d0d0d0;
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.6;
        }

        .btn-cta-large {
            padding: 16px 40px;
            border-radius: 30px;
            background: var(--gold);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-large:hover {
            background: var(--gold-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(201, 168, 76, 0.45);
            color: #1a1a1a;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn-cta-large {
                padding: 13px 28px;
                font-size: 0.95rem;
                border-radius: 24px;
            }
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 2px solid var(--gold);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            padding: 10px var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            transition: transform 0.3s ease;
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--accent);
            font-weight: 800;
        }

        .btn-bar-cta {
            padding: 10px 24px;
            border-radius: 22px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 3px 12px rgba(212, 52, 62, 0.35);
        }

        .btn-bar-cta:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 52, 62, 0.45);
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                padding: 8px 10px;
                gap: 8px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .btn-bar-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 4px solid var(--gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #c0c0c0;
            padding: 4px 0;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: var(--text-light);
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing);
            }
            .footer-bottom {
                font-size: 0.72rem;
                gap: 6px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-col h4 {
                font-size: 0.9rem;
            }
            .footer-col a {
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }

        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }

        .header-nav a.active {
            color: var(--gold-dark);
            font-weight: 700;
            background: rgba(201, 168, 76, 0.08);
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search input {
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            border: 1px solid var(--border);
            font-size: 0.85rem;
            width: 180px;
            background: #fafaf8;
            transition: all var(--transition);
        }

        .header-search input:focus {
            width: 220px;
            border-color: var(--gold);
            background: var(--bg-white);
        }

        .header-search .search-icon {
            position: absolute;
            left: 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            cursor: pointer;
        }

        .btn-primary-gold:hover {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            box-shadow: 0 6px 28px rgba(201, 168, 76, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 6px;
            cursor: pointer;
        }

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

        .hero-video::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 34, 0.78) 0%, rgba(26, 31, 60, 0.85) 60%, rgba(15, 18, 34, 0.92) 100%);
            z-index: 1;
        }

        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            padding: 0 var(--spacing-sm);
        }

        .hero-play-btn {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 3px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 28px;
            cursor: pointer;
            transition: all var(--transition-slow);
            font-size: 2rem;
            color: #fff;
            animation: pulse-ring 2.2s ease-out infinite;
        }

        .hero-play-btn:hover {
            background: var(--gold);
            border-color: var(--gold);
            transform: scale(1.08);
            box-shadow: 0 0 40px rgba(201, 168, 76, 0.5);
            animation: none;
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 28px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-video-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .hero-video-content h1 .gold-text {
            color: var(--gold-light);
        }

        .hero-video-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-hero-primary {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            box-shadow: 0 8px 32px rgba(201, 168, 76, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-outline {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xl) 0;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--gold-dark);
            margin-bottom: 8px;
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

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

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        .section-dark .section-desc {
            color: var(--text-light);
        }

        /* Feature Cards Row */
        .feature-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-card-icon.gold-bg {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
        }

        .feature-card-icon.primary-bg {
            background: var(--primary);
            color: #fff;
        }

        .feature-card-icon.accent-bg {
            background: var(--accent);
            color: #fff;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            height: 100%;
            border: 1px solid var(--border-light);
        }

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

        .feature-card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Lottery Result Cards */
        .lottery-result-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

        .lottery-result-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gold);
        }

        .lottery-result-card .lottery-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .lottery-result-card .lottery-period {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .lottery-balls {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .lottery-ball {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #c02a35);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 10px rgba(212, 52, 62, 0.3);
        }

        .lottery-ball.blue {
            background: linear-gradient(135deg, #3b6fd4, #2855b8);
            box-shadow: 0 3px 10px rgba(40, 85, 184, 0.3);
        }

        .lottery-ball.golden {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            box-shadow: 0 3px 10px rgba(201, 168, 76, 0.3);
        }

        /* Stats Bar */
        .stats-bar {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .stat-item {
            flex: 1;
            min-width: 140px;
            padding: 28px 20px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-item:hover {
            background: #fafaf8;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-number.gold {
            color: var(--gold-dark);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
            position: relative;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            padding: 24px;
            text-align: center;
            position: relative;
        }

        .process-step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
        }

        .process-step h5 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .process-connector {
            display: none;
        }

        /* Testimonial */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--gold);
            opacity: 0.3;
            position: absolute;
            top: 10px;
            left: 18px;
            line-height: 1;
            font-family: serif;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gold);
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            padding-top: 10px;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a2240 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.1);
            pointer-events: none;
        }

        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-hero-primary {
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition-slow);
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Scene Demo - alternating */
        .scene-row {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

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

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

        .scene-image {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scene-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }

        .scene-image:hover img {
            transform: scale(1.03);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-light);
            transition: color var(--transition);
        }

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

        .footer-bottom span {
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .header-search input {
                width: 140px;
            }
            .header-search input:focus {
                width: 160px;
            }
            .hero-video-content h1 {
                font-size: 2.2rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                flex-wrap: wrap;
            }
            .stat-item {
                flex: 1 1 45%;
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .stat-item:nth-child(even) {
                border-right: none;
            }
            .stat-item:nth-child(n+3) {
                border-bottom: none;
            }
        }

        @media (max-width: 768px) {
            .site-header .container-custom {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-nav {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                padding: 4px 0;
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.78rem;
                border-radius: 16px;
            }
            .header-actions {
                gap: 6px;
            }
            .header-search input {
                width: 110px;
                font-size: 0.8rem;
            }
            .header-search input:focus {
                width: 130px;
            }
            .btn-primary-gold,
            .btn-outline-dark {
                padding: 7px 14px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
            .hero-video {
                min-height: 440px;
            }
            .hero-video-content h1 {
                font-size: 1.7rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
                margin-bottom: 20px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section {
                padding: var(--spacing-md) 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .scene-row,
            .scene-row.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .process-steps {
                flex-direction: column;
                gap: 16px;
            }
            .process-step {
                min-width: auto;
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h3 {
                font-size: 1.4rem;
            }
            .stat-item {
                flex: 1 1 100%;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .stats-bar {
                border-radius: var(--radius);
            }
            .lottery-balls {
                gap: 5px;
            }
            .lottery-ball {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                height: auto;
                padding: 10px 0;
            }
            .header-nav {
                gap: 0;
            }
            .header-nav a {
                padding: 5px 8px;
                font-size: 0.72rem;
                border-radius: 14px;
            }
            .header-actions {
                gap: 4px;
            }
            .header-search input {
                width: 90px;
                padding: 7px 10px 7px 28px;
                font-size: 0.75rem;
            }
            .header-search input:focus {
                width: 100px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .btn-primary-gold,
            .btn-outline-dark {
                padding: 6px 10px;
                font-size: 0.72rem;
                border-radius: 16px;
            }
            .hero-video {
                min-height: 360px;
            }
            .hero-video-content h1 {
                font-size: 1.35rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-play-btn {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                margin-bottom: 16px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 18px;
                font-size: 0.8rem;
                width: 100%;
                justify-content: center;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: center;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .lottery-ball {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .lottery-balls {
                gap: 4px;
            }
            .cta-banner {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h3 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --bottom-bar-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }
        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }
        .header-nav a.active {
            color: var(--gold-dark);
            background: #fdf9ef;
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .btn-nav:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #f5f4f0;
            border-radius: 20px;
            padding: 6px 12px;
            gap: 6px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--gold);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.08);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 4px 6px;
            font-size: 0.85rem;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .search-box .search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 4px 8px;
            cursor: pointer;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .search-box input {
                width: 80px;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 0;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 999;
                max-height: 60vh;
                overflow-y: auto;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 20px;
                border-radius: 0;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border-light);
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: #fdf9ef;
                border-left: 3px solid var(--gold);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .search-box {
                display: none;
            }
            .header-actions .btn-nav {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }

        /* Flash Sale Hero Bar */
        .flash-sale-bar {
            background: linear-gradient(135deg, #d4343e, #b5282f);
            color: #fff;
            padding: 10px 0;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .flash-sale-bar .flash-icon {
            font-size: 1.2rem;
            animation: pulse 1.2s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.25);
            }
        }
        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 0, 0, 0.3);
            padding: 4px 14px;
            border-radius: 20px;
            font-family: var(--font-mono);
            font-size: 1rem;
            letter-spacing: 1px;
        }
        .flash-countdown span {
            display: inline-block;
            min-width: 24px;
            text-align: center;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            padding: 2px 6px;
        }
        @media (max-width: 520px) {
            .flash-sale-bar {
                font-size: 0.8rem;
                padding: 8px 4px;
                gap: 8px;
            }
            .flash-countdown {
                font-size: 0.85rem;
                padding: 3px 10px;
            }
        }

        /* Hero Section */
        .hero-section {
            background: var(--bg-dark);
            background-image: linear-gradient(rgba(15, 18, 34, 0.82), rgba(15, 18, 34, 0.88)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: var(--text-white);
            padding: var(--spacing-xl) 0;
            position: relative;
        }
        .hero-section .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
            color: #fff;
        }
        .hero-content h1 .gold-text {
            color: var(--gold-light);
        }
        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: var(--spacing);
            line-height: 1.6;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--gold);
            color: #1a1a1a;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--gold-light);
            color: #1a1a1a;
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .hero-product-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            box-shadow: var(--shadow-lg);
            color: var(--text);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-product-card .hot-badge {
            position: absolute;
            top: 14px;
            right: -28px;
            background: var(--accent);
            color: #fff;
            padding: 4px 36px;
            font-size: 0.75rem;
            font-weight: 700;
            transform: rotate(45deg);
            letter-spacing: 0.5px;
        }
        .hero-product-card .product-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .hero-product-card .prize-pool {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            margin: 8px 0;
            letter-spacing: -0.5px;
        }
        .hero-product-card .prize-pool-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .hero-product-card .btn-grab {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }
        .hero-product-card .btn-grab:hover {
            background: #c02a35;
            box-shadow: 0 6px 22px rgba(212, 52, 62, 0.4);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: var(--spacing);
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-product-card {
                max-width: 360px;
                margin: 0 auto;
            }
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.3px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: var(--text-light);
        }
        .section-accent {
            background: var(--bg-section);
        }

        /* Story Cards */
        .story-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .story-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }
        .story-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .story-card .story-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .story-card .story-body {
            padding: var(--spacing-sm);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .story-card .story-tag {
            display: inline-block;
            background: #fdf9ef;
            color: var(--gold-dark);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .story-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .story-card .story-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
        }
        .story-card .story-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 10px;
        }
        .story-card .story-meta .prize-amount {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .story-grid {
                grid-template-columns: 1fr;
            }
            .story-card .story-img {
                height: 180px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .story-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Value Props Three */
        .value-props-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .value-prop-card {
            text-align: center;
            padding: var(--spacing-md) var(--spacing);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
        }
        .value-prop-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .value-prop-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.5rem;
            color: #fff;
            font-weight: 700;
        }
        .value-prop-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .value-prop-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .value-props-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .value-props-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Journey Section */
        .journey-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .journey-block.reverse {
            direction: rtl;
        }
        .journey-block.reverse>* {
            direction: ltr;
        }
        .journey-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .journey-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .journey-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
        }
        .journey-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }
        .journey-steps {
            list-style: none;
            padding: 0;
        }
        .journey-steps li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
        }
        .journey-steps li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 10px;
            height: 10px;
            background: var(--gold);
            border-radius: 50%;
        }
        @media (max-width: 768px) {
            .journey-block {
                grid-template-columns: 1fr;
                gap: var(--spacing);
            }
            .journey-image img {
                height: 220px;
            }
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
            text-align: center;
        }
        .stat-item {
            padding: var(--spacing);
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--gold-light);
            letter-spacing: -0.5px;
            font-family: var(--font-mono);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* Lottery Cards Row */
        .lottery-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .lottery-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing);
            text-align: center;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: all var(--transition-slow);
            position: relative;
        }
        .lottery-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .lottery-card .lottery-icon {
            font-size: 2.5rem;
            margin-bottom: 8px;
        }
        .lottery-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .lottery-card .pool {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            margin: 6px 0;
        }
        .lottery-card .btn-sm {
            display: inline-block;
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--gold);
            color: #1a1a1a;
            transition: all var(--transition);
            margin-top: 6px;
        }
        .lottery-card .btn-sm:hover {
            background: var(--gold-light);
            box-shadow: var(--shadow-gold);
            color: #1a1a1a;
        }
        .lottery-card.featured {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            background: #fffdf7;
        }
        .lottery-card .featured-badge {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 3px 16px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .lottery-cards-row {
                grid-template-columns: 1fr;
                max-width: 360px;
                margin: 0 auto;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .lottery-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: var(--spacing-sm) var(--spacing);
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: #fafaf8;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #f5f4f0;
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--gold);
        }
        .faq-answer {
            padding: 0 var(--spacing);
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: var(--spacing-sm) var(--spacing) var(--spacing);
            max-height: 400px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            text-align: center;
            padding: var(--spacing-xl) 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: var(--spacing);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 15px 36px;
        }

        /* Bottom Fixed Bar */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: var(--bg-white);
            border-top: 2px solid var(--gold);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            padding: 10px var(--spacing);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing);
            height: var(--bottom-bar-height);
        }
        .bottom-fixed-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
            white-space: nowrap;
        }
        .bottom-fixed-bar .bar-highlight {
            color: var(--accent);
            font-weight: 800;
        }
        .bottom-fixed-bar .btn-bar-cta {
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            animation: gentle-pulse 2s ease-in-out infinite;
        }
        @keyframes gentle-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 52, 62, 0.5);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(212, 52, 62, 0);
            }
        }
        .bottom-fixed-bar .btn-bar-cta:hover {
            background: #c02a35;
            box-shadow: 0 6px 22px rgba(212, 52, 62, 0.45);
        }
        @media (max-width: 520px) {
            .bottom-fixed-bar {
                gap: 10px;
                padding: 8px 12px;
            }
            .bottom-fixed-bar .bar-text {
                font-size: 0.8rem;
            }
            .bottom-fixed-bar .btn-bar-cta {
                font-size: 0.85rem;
                padding: 8px 20px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: var(--spacing-xl) 0 var(--spacing);
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: var(--text-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mb-sm {
            margin-bottom: var(--spacing-sm);
        }
        .mb-md {
            margin-bottom: var(--spacing-md);
        }

/* roulang page: category4 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }

        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }

        .header-nav a.active {
            color: var(--bg-white);
            background: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .header-nav a.active:hover {
            color: var(--bg-white);
            background: var(--primary-light);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-outline {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-nav-primary {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--gold);
            border: 2px solid var(--gold);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav-primary:hover {
            background: var(--gold-dark);
            border-color: var(--gold-dark);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            border: 1px solid var(--border);
            font-size: 0.85rem;
            width: 180px;
            transition: all var(--transition);
            background: #fafaf8;
        }

        .search-box input:focus {
            width: 220px;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
            background: #fff;
        }

        .search-box .search-icon {
            position: absolute;
            left: 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(170deg, #f8f7f4 0%, #f0efe9 40%, #e8e6dd 100%);
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            padding-right: var(--spacing);
        }

        .hero-badge {
            display: inline-block;
            background: var(--gold);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: var(--spacing);
            letter-spacing: -0.5px;
        }

        .hero-content h1 .highlight {
            color: var(--gold);
            position: relative;
        }

        .hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-light);
            border-radius: 2px;
            opacity: 0.5;
        }

        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
            max-width: 540px;
        }

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

        .btn-cta-primary {
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            border: none;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-slow);
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-primary:hover {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-outline {
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            transition: all var(--transition-slow);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .vertical-card {
            width: 360px;
            height: 580px;
            background: #1a1a2e;
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
            border: 4px solid #2a2a44;
            aspect-ratio: 9/16;
            max-height: 580px;
        }

        .vertical-card .vc-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.75;
            z-index: 0;
        }

        .vertical-card .vc-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 34, 0.3) 0%, rgba(15, 18, 34, 0.7) 60%, rgba(15, 18, 34, 0.95) 100%);
            z-index: 1;
        }

        .vertical-card .vc-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 24px 20px 28px;
            color: #fff;
        }

        .vertical-card .vc-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .vertical-card .vc-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            color: #fff;
        }

        .vertical-card .vc-sub {
            font-size: 0.8rem;
            color: #ccc;
            margin-bottom: 12px;
        }

        .vertical-card .vc-stats {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: #bbb;
        }

        .vertical-card .vc-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .vertical-card .vc-float-icon {
            position: absolute;
            top: 20px;
            right: 20px;
            z-index: 2;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            backdrop-filter: blur(4px);
        }

        /* Section Common */
        .section {
            padding: var(--spacing-2xl) 0;
        }

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

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

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

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            color: var(--gold);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

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

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

        .section-dark .section-header .section-subtitle {
            color: var(--text-light);
        }

        /* Value Props Three */
        .value-props-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .value-prop-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .value-prop-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .value-prop-card .vp-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto var(--spacing);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }

        .vp-icon-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
        }

        .vp-icon-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }

        .vp-icon-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
        }

        .value-prop-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .value-prop-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* Scene Demo */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            display: flex;
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
        }

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

        .scene-card .scene-img {
            width: 200px;
            flex-shrink: 0;
            min-height: 200px;
            overflow: hidden;
        }

        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-card .scene-info {
            padding: var(--spacing);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .scene-card .scene-info h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 6px;
        }

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

        .scene-card .scene-info .scene-tag {
            display: inline-block;
            background: #fef9e7;
            color: var(--gold-dark);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
            width: fit-content;
        }

        /* Deep Content */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .deep-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--spacing);
            line-height: 1.3;
        }

        .deep-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: var(--spacing);
            font-size: 1rem;
        }

        .deep-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .deep-text .highlight-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            color: var(--text);
            font-weight: 500;
            border-bottom: 1px solid var(--border-light);
        }

        .deep-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            width: 10px;
            height: 10px;
            background: var(--gold);
            border-radius: 50%;
        }

        .deep-visual {
            background: var(--bg-section);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
        }

        .deep-visual img {
            border-radius: var(--radius);
            margin: 0 auto;
            box-shadow: var(--shadow-md);
        }

        .deep-visual .deep-caption {
            margin-top: var(--spacing-sm);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
            text-align: center;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-slow);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

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

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

        /* Social Proof */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            position: relative;
        }

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

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--gold-light);
            margin-bottom: 8px;
            opacity: 0.6;
        }

        .testimonial-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: var(--spacing);
            font-style: italic;
        }

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

        .t-author .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .t-author .t-name {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .t-author .t-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Steps */
        .steps-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            padding: var(--spacing);
            position: relative;
        }

        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
        }

        .step-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary);
            margin-bottom: 6px;
        }

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

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }

        .section-dark .step-item p {
            color: var(--text-light);
        }

        .step-connector {
            position: absolute;
            top: 52px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .step-item:last-child .step-connector {
            display: none;
        }

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

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: #fdfdfb;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: #faf9f5;
        }

        .faq-question .faq-icon {
            transition: transform var(--transition);
            color: var(--gold);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            font-size: 0.95rem;
        }

        /* CTA Bar */
        .cta-bar-section {
            background: var(--bg-dark);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-bar-section::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(201, 168, 76, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-bar-text h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 4px;
            letter-spacing: -0.2px;
        }

        .cta-bar-text p {
            color: var(--text-light);
            margin: 0;
            font-size: 0.95rem;
        }

        .btn-cta-gold-lg {
            padding: 16px 36px;
            border-radius: 30px;
            font-size: 1.05rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #fff;
            border: none;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-slow);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-cta-gold-lg:hover {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            box-shadow: 0 10px 36px rgba(201, 168, 76, 0.45);
            transform: translateY(-3px);
            color: #fff;
        }

        /* Mobile Fixed CTA */
        .mobile-fixed-cta {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-dark);
            padding: 12px 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            border-top: 2px solid var(--gold);
        }

        .mobile-fixed-cta .mf-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }

        .mobile-fixed-cta .mf-text {
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex: 1;
        }

        .mobile-fixed-cta .btn-mf {
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--gold);
            color: #fff;
            border: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: var(--spacing-xl) 0 var(--spacing);
            border-top: 3px solid var(--gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: #fff;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-light);
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom a {
            color: var(--text-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .hero-content {
                padding-right: 0;
                text-align: center;
            }

            .hero-content .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-cta-group {
                justify-content: center;
            }

            .hero-visual {
                order: -1;
            }

            .vertical-card {
                width: 280px;
                height: 440px;
                max-height: 440px;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .value-props-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .deep-content-block {
                grid-template-columns: 1fr;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .header-nav {
                gap: 1px;
            }

            .header-nav a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .search-box input {
                width: 130px;
            }

            .search-box input:focus {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 6px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                transform: translateY(-120%);
                transition: transform var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
                max-height: 60vh;
            }

            .header-nav.open {
                transform: translateY(0);
            }

            .header-nav a {
                padding: 10px 16px;
                border-radius: var(--radius);
                text-align: center;
                font-size: 0.9rem;
            }

            .header-actions {
                gap: 6px;
            }

            .search-box {
                display: none;
            }

            .btn-nav-outline,
            .btn-nav-primary {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .value-props-grid {
                grid-template-columns: 1fr;
            }

            .scene-card {
                flex-direction: column;
            }

            .scene-card .scene-img {
                width: 100%;
                min-height: 160px;
                max-height: 200px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 2rem;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .steps-flow {
                flex-direction: column;
                align-items: center;
            }

            .step-connector {
                display: none;
            }

            .step-item {
                max-width: 100%;
            }

            .cta-bar-inner {
                flex-direction: column;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .hero-content h1 {
                font-size: 1.8rem;
            }

            .vertical-card {
                width: 240px;
                height: 380px;
                max-height: 380px;
            }

            .mobile-fixed-cta {
                display: block;
            }

            .cta-bar-section {
                padding-bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }

            .hero-content .hero-desc {
                font-size: 0.95rem;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .vertical-card {
                width: 200px;
                height: 320px;
                max-height: 320px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

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

/* roulang page: category6 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --gold: #c9a84c;
            --gold-light: #e0c675;
            --gold-dark: #a88a35;
            --accent: #d4343e;
            --accent-light: #e8555e;
            --bg: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1222;
            --bg-section: #f0efe9;
            --text: #1a1a1a;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #b0b0b0;
            --text-white: #f0f0f0;
            --border: #e0ddd5;
            --border-light: #eeece6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing: 24px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text);
        }
        input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
            outline: none;
        }

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), var(--gold-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;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: #f5f4f0;
        }
        .header-nav a.active {
            color: var(--primary);
            background: #f0efe9;
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-actions .btn-login {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1.5px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .header-actions .btn-login:hover {
            border-color: var(--gold);
            color: var(--gold-dark);
            background: #fdfaf3;
        }
        .header-actions .btn-cta {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(212, 52, 62, 0.25);
        }
        .header-actions .btn-cta:hover {
            background: var(--accent-light);
            box-shadow: 0 4px 16px rgba(212, 52, 62, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #f5f4f0;
            border-radius: 20px;
            padding: 6px 12px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--gold);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.08);
        }
        .header-search input {
            border: none;
            background: transparent;
            padding: 4px 6px;
            font-size: 0.85rem;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .header-search .search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: var(--spacing-xl) 0;
        }
        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            filter: brightness(0.6);
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(15, 18, 34, 0.7) 0%, rgba(15, 18, 34, 0.9) 100%);
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1;
            min-width: 300px;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(201, 168, 76, 0.2);
            border: 1px solid rgba(201, 168, 76, 0.4);
            color: var(--gold-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing);
            letter-spacing: 0.5px;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .gold-text {
            color: var(--gold-light);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: #d0d0d0;
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
            max-width: 520px;
        }
        .hero-countdown-block {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing);
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 12px 18px;
            text-align: center;
            min-width: 70px;
            backdrop-filter: blur(4px);
        }
        .countdown-item .countdown-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--gold-light);
            line-height: 1;
            font-family: var(--font-mono);
            letter-spacing: 1px;
        }
        .countdown-item .countdown-label {
            font-size: 0.75rem;
            color: #b0b0b0;
            margin-top: 4px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .countdown-sep {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.5);
            font-weight: 700;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(212, 52, 62, 0.35);
            letter-spacing: 0.3px;
        }
        .btn-primary-lg:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 52, 62, 0.45);
            color: #fff;
        }
        .btn-outline-lg {
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-outline-lg:hover {
            border-color: var(--gold-light);
            color: var(--gold-light);
            background: rgba(255, 255, 255, 0.05);
        }
        .hero-visual {
            flex: 0 0 380px;
            min-width: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-shield {
            width: 200px;
            height: 240px;
            background: linear-gradient(180deg, rgba(201, 168, 76, 0.3) 0%, rgba(201, 168, 76, 0.05) 100%);
            border-radius: 50% 50% 50% 50% / 30% 30% 70% 70%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            border: 3px solid rgba(201, 168, 76, 0.5);
            animation: shieldPulse 3s ease-in-out infinite;
        }
        @keyframes shieldPulse {
            0%,
            100% {
                box-shadow: 0 0 40px rgba(201, 168, 76, 0.2);
            }
            50% {
                box-shadow: 0 0 80px rgba(201, 168, 76, 0.4);
            }
        }
        .hero-shield .shield-icon {
            font-size: 5rem;
            color: var(--gold-light);
            text-shadow: 0 0 30px rgba(201, 168, 76, 0.5);
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-sm {
            padding: var(--spacing-lg) 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-accent-bg {
            background: var(--bg-section);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.3px;
            text-align: center;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-dark .section-subtitle {
            color: #b0b0b0;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--gold);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .card-icon.gold-bg {
            background: linear-gradient(135deg, #fdf6e3, #f7ecc8);
            color: var(--gold-dark);
        }
        .card-icon.blue-bg {
            background: linear-gradient(135deg, #e8ecf8, #d0d6f0);
            color: var(--primary);
        }
        .card-icon.green-bg {
            background: linear-gradient(135deg, #e6f4ea, #c8e6d0);
            color: #2e7d32;
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.2px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .card .card-link:hover {
            gap: 8px;
            color: var(--accent);
        }

        /* Badge */
        .badge-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.2px;
        }
        .badge-gold {
            background: #fdf6e3;
            color: var(--gold-dark);
        }
        .badge-green {
            background: #e6f4ea;
            color: #2e7d32;
        }
        .badge-blue {
            background: #e8ecf8;
            color: var(--primary);
        }

        /* Stats Row */
        .stats-row {
            display: flex;
            gap: var(--spacing);
            flex-wrap: wrap;
            justify-content: center;
        }
        .stat-item {
            flex: 1;
            min-width: 160px;
            text-align: center;
            padding: var(--spacing);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--gold);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }
        .stat-num.gold {
            color: var(--gold-dark);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Process Flow */
        .process-flow {
            display: flex;
            gap: var(--spacing);
            flex-wrap: wrap;
            justify-content: center;
            align-items: flex-start;
        }
        .process-step {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            text-align: center;
            position: relative;
        }
        .process-step::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 40px;
            font-size: 1.5rem;
            color: var(--gold);
            font-weight: 700;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto var(--spacing-sm);
            box-shadow: var(--shadow);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Testimonial */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gold);
        }
        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--gold);
            line-height: 1;
            font-family: serif;
            opacity: 0.6;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: var(--spacing-xs) 0 var(--spacing-sm);
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: var(--spacing-sm) var(--spacing);
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fafaf8;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: #f5f4f0;
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--gold);
        }
        .faq-answer {
            padding: 0 var(--spacing);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: var(--spacing-sm) var(--spacing) var(--spacing);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.1);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #d0d0d0;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary-lg {
            position: relative;
            z-index: 1;
        }

        /* Certification Grid */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
        }
        .cert-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: var(--spacing);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .cert-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .cert-card .cert-icon {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-xs);
            color: var(--gold-dark);
        }
        .cert-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .cert-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Sticky Bottom Bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 12px var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing);
            flex-wrap: wrap;
        }
        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
        }
        .sticky-bottom-bar .bar-highlight {
            color: var(--accent);
            font-weight: 700;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: #fff;
            letter-spacing: 0.2px;
        }
        .footer-col a {
            display: block;
            color: #b0b0b0;
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: #b0b0b0;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section {
                min-height: auto;
                padding: var(--spacing-lg) 0;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                flex: 0 0 260px;
                min-width: 200px;
            }
            .hero-shield {
                width: 150px;
                height: 180px;
            }
            .hero-shield .shield-icon {
                font-size: 3.5rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step::after {
                right: -12px;
                font-size: 1.2rem;
                top: 36px;
            }
        }

        @media (max-width: 768px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-content {
                min-width: auto;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-countdown-block {
                justify-content: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                min-width: auto;
            }
            .hero-shield {
                width: 120px;
                height: 150px;
            }
            .hero-shield .shield-icon {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-row {
                gap: var(--spacing-sm);
            }
            .stat-item {
                min-width: 130px;
                padding: var(--spacing-sm);
            }
            .stat-num {
                font-size: 1.8rem;
            }
            .process-flow {
                flex-direction: column;
                align-items: center;
            }
            .process-step {
                max-width: 100%;
            }
            .process-step::after {
                content: '↓';
                position: relative;
                right: auto;
                top: auto;
                display: block;
                margin: 8px 0;
                font-size: 1.2rem;
            }
            .process-step:last-child::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-nav {
                justify-content: flex-start;
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .header-search input {
                width: 80px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px var(--spacing-sm);
            }
            .cta-section {
                padding: var(--spacing-lg) var(--spacing);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-countdown-block {
                gap: 6px;
            }
            .countdown-item {
                padding: 8px 12px;
                min-width: 55px;
            }
            .countdown-item .countdown-num {
                font-size: 1.4rem;
            }
            .countdown-sep {
                font-size: 1rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 10px 20px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
            .cert-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .header-actions .btn-login,
            .header-actions .btn-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .header-search {
                display: none;
            }
        }