/* roulang page: index */
:root {
            --primary: #0d1b3e;
            --primary-light: #1a2a52;
            --primary-lighter: #243465;
            --accent: #f0a500;
            --accent-hover: #d18f00;
            --accent-light: #fff8e7;
            --secondary: #6c5ce7;
            --bg: #f4f6fb;
            --bg-deep: #0a1428;
            --card-bg: #ffffff;
            --text: #16213e;
            --text-light: #5a6a7d;
            --text-muted: #8a96a8;
            --border: #e3e8f0;
            --border-light: #edf1f7;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(13, 27, 62, 0.08);
            --shadow-hover: 0 14px 44px rgba(13, 27, 62, 0.14);
            --transition: all 0.3s ease;
            --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 27, 62, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            padding: 10px 0;
        }

        .site-header.scrolled {
            background: rgba(13, 27, 62, 0.95);
            box-shadow: 0 6px 30px rgba(13, 27, 62, 0.3);
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.45rem;
            color: #ffffff !important;
            letter-spacing: 0.5px;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent), #ffbe30);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0d1b3e;
            font-size: 1.2rem;
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.4);
            flex-shrink: 0;
        }

        .brand-text {
            white-space: nowrap;
        }

        .navbar .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 8px;
            margin: 0 3px;
            position: relative;
            transition: var(--transition);
        }

        .navbar .nav-link:hover {
            color: #ffffff !important;
            background: rgba(255, 255, 255, 0.1);
        }

        .navbar .nav-link.active {
            color: #ffffff !important;
            background: rgba(240, 165, 0, 0.18);
            font-weight: 600;
        }

        .navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .btn-brand-nav {
            background: linear-gradient(135deg, var(--accent), #ffbe30);
            color: #0d1b3e !important;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 28px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.4);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-brand-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.55);
            color: #0d1b3e !important;
        }

        .navbar-toggler {
            border: none;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        .navbar-toggler-icon {
            filter: none;
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh;
            background-image: linear-gradient(135deg, rgba(13, 27, 62, 0.92), rgba(10, 20, 40, 0.65), rgba(13, 27, 62, 0.75)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px 20px 80px;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 140px;
            background: linear-gradient(transparent, var(--bg));
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 1px;
        }

        .hero-badge i {
            color: var(--accent);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }

        .hero h1 {
            font-size: 3.6rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.15;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .hero h1 .highlight {
            background: linear-gradient(120deg, var(--accent), #ffbe30);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 900;
        }

        .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.2rem;
            font-weight: 300;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent), #ffbe30);
            color: #0d1b3e !important;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.45);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(240, 165, 0, 0.6);
        }

        .btn-hero-outline {
            color: #ffffff !important;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 36px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: #ffffff;
            transform: translateY(-3px);
            color: #ffffff !important;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .num {
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
        }

        .hero-stat .num i {
            color: var(--accent);
            font-size: 1.5rem;
            margin-right: 6px;
        }

        .hero-stat .label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-weight: 400;
            letter-spacing: 1px;
        }

        /* ===== Section Common ===== */
        .section-padding {
            padding: 100px 0;
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 50px;
        }

        .section-header-center {
            text-align: center;
        }

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== About Section ===== */
        .about-section {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
        }

        .about-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .about-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .about-image-wrap .badge-float {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(13, 27, 62, 0.85);
            backdrop-filter: blur(10px);
            color: #ffffff;
            border-radius: 14px;
            padding: 14px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .badge-float .icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0d1b3e;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .badge-float strong {
            font-size: 0.95rem;
            display: block;
        }

        .badge-float span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .about-content h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .about-content p {
            color: var(--text-light);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .about-points {
            list-style: none;
            padding: 0;
            margin: 24px 0;
        }

        .about-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text);
            font-size: 0.95rem;
        }

        .about-points li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .about-score-cards {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .score-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 18px 20px;
            flex: 1;
            min-width: 100px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .score-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .score-card .score-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.3;
        }

        .score-card .score-label {
            font-size: 0.82rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .score-card .stars {
            color: var(--accent);
            font-size: 0.8rem;
            letter-spacing: 2px;
            margin-top: 4px;
        }

        /* ===== Category Section ===== */
        .category-section {
            background: var(--bg);
        }

        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 165, 0, 0.4);
        }

        .category-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .category-card:hover .category-img img {
            transform: scale(1.08);
        }

        .category-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.4));
        }

        .category-img .category-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(13, 27, 62, 0.8);
            backdrop-filter: blur(8px);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-badge i {
            color: var(--accent);
        }

        .category-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .category-card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
        }

        .category-card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }

        .card-meta .count {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta .link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .card-meta .link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== Features Section ===== */
        .features-section {
            background: linear-gradient(135deg, #0d1b3e, #1a2a52);
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(240, 165, 0, 0.12);
            border-radius: 50%;
            filter: blur(80px);
        }

        .features-section .section-tag {
            background: rgba(240, 165, 0, 0.2);
            color: #ffbe30;
        }

        .features-section .section-title {
            color: #ffffff;
        }

        .features-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(240, 165, 0, 0.4);
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--accent), #ffbe30);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #0d1b3e;
            margin: 0 auto 22px;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.4);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.08) rotate(-5deg);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }

        .feature-card .feature-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 14px;
            font-size: 0.75rem;
            color: #ffbe30;
            letter-spacing: 2px;
        }

        /* ===== News Section ===== */
        .news-section {
            background: #ffffff;
        }

        .news-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: rgba(240, 165, 0, 0.35);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            background: #ffffff;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .news-meta .news-category {
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
        }

        .news-meta .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .news-card h3 a {
            color: var(--text);
            transition: var(--transition);
        }

        .news-card h3 a:hover {
            color: var(--accent);
        }

        .news-card .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .news-card .news-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .news-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .news-tab {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
        }

        .news-tab:hover,
        .news-tab.active {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        .empty-state {
            background: var(--bg);
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-light);
        }

        .empty-state i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 14px;
        }

        .empty-state p {
            font-size: 1rem;
            font-weight: 500;
        }

        .news-more {
            margin-top: 36px;
            text-align: center;
        }

        .btn-news-more {
            background: var(--bg);
            border: 2px solid var(--border);
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 12px 34px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-news-more:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: linear-gradient(135deg, #0a1428, #132240);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.15), transparent 60%);
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .stats-item {
            text-align: center;
            padding: 30px 20px;
        }

        .stats-item .stats-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: rgba(240, 165, 0, 0.15);
            border: 1px solid rgba(240, 165, 0, 0.3);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent);
        }

        .stats-item .stats-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stats-item .stats-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius);
            margin-bottom: 14px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(240, 165, 0, 0.4);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            padding: 22px 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
            color: var(--text);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .faq-item[open] summary {
            color: var(--accent-hover);
            padding-bottom: 14px;
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 28px 22px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #0d1b3e, #1a2a52);
            padding: 90px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #ffffff;
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080f22;
            color: rgba(255, 255, 255, 0.6);
            padding: 70px 0 20px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 1rem;
        }

        .footer-brand .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: #ffffff;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links ul li a i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 44px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            margin: 0;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #ffffff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 8px 24px rgba(13, 27, 62, 0.3);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(15px);
            transition: var(--transition);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--accent);
            color: #0d1b3e;
            transform: translateY(-3px);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(240, 165, 0, 0.6);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding: 120px 20px 60px;
                background-attachment: scroll;
            }

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

            .hero-desc {
                font-size: 1rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-stats {
                gap: 24px;
            }

            .navbar-collapse {
                background: var(--primary);
                border-radius: 0 0 var(--radius) var(--radius);
                padding: 20px;
                margin-top: 10px;
            }

            .navbar .nav-link {
                padding: 12px 18px !important;
            }

            .section-padding {
                padding: 70px 0;
            }

            .about-image-wrap img {
                height: 260px;
            }

            .category-img {
                height: 160px;
            }

            .about-score-cards {
                flex-wrap: wrap;
            }

            .score-card {
                min-width: 80px;
                flex: 1 1 30%;
                padding: 14px;
            }

            .score-card .score-num {
                font-size: 1.4rem;
            }

            .footer-brand,
            .footer-links {
                margin-bottom: 30px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }

            .hero-desc {
                font-size: 0.92rem;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 100%;
                max-width: 260px;
                justify-content: center;
            }

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

            .section-title {
                font-size: 1.5rem;
            }

            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 30px;
            }

            .news-card {
                padding: 18px;
            }

            .cta-content h2 {
                font-size: 1.5rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .back-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
        }

/* roulang page: article */
:root {
            --primary: #6c5ce7;
            --primary-600: #5a4bdb;
            --primary-700: #4a3cb5;
            --accent: #00d2ff;
            --dark: #0b0f1a;
            --dark-2: #131a2b;
            --light: #f8f9fc;
            --bg: #ffffff;
            --text: #1e2430;
            --muted: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
        }

        .site-header {
            background: rgba(11, 15, 26, 0.96);
            backdrop-filter: blur(14px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            padding: 8px 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.4);
        }
        .brand-text {
            background: linear-gradient(90deg, #ffffff, #c7d2fe);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .navbar .nav-link {
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            margin: 0 0.2rem;
            padding: 0.5rem 1rem !important;
            border-radius: 8px;
        }
        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .btn-brand-nav {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border: none;
            padding: 0.6rem 1.4rem;
            border-radius: 10px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
            transition: var(--transition);
        }
        .btn-brand-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(0, 210, 255, 0.35);
            color: #fff;
        }
        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
            padding: 0.25rem 0.6rem;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .page-banner {
            padding: 84px 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 26, 0.92), rgba(108, 92, 231, 0.65));
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            background: transparent;
            margin-bottom: 1rem;
        }
        .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb-item a:hover {
            color: #fff;
        }
        .breadcrumb-item.active {
            color: #fff;
        }
        .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.5);
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 800;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .banner-meta {
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-wrapper {
            padding: 60px 0;
        }
        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 2.5rem 3rem;
            border: 1px solid var(--border);
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            color: var(--muted);
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 1.25rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
        }
        .article-content h2,
        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--dark);
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content img {
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--light);
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-tags {
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            padding: 0.35rem 0.85rem;
            background: var(--light);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--muted);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .article-footer {
            margin-top: 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 1.5rem;
        }
        .btn-outline-primary-custom {
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.5rem 1.2rem;
            border-radius: 10px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .related-section {
            padding: 60px 0;
            background: var(--light);
        }
        .section-head {
            margin-bottom: 2.5rem;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        .section-head p {
            color: var(--muted);
            max-width: 640px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .related-card .card-img {
            height: 190px;
            object-fit: cover;
            width: 100%;
        }
        .related-card .card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-top: 0.75rem;
            color: var(--dark);
        }
        .related-card .card-text {
            color: var(--muted);
            font-size: 0.95rem;
            margin: 0.75rem 0 1rem;
            flex: 1;
        }
        .related-card .btn-link {
            color: var(--primary);
            font-weight: 500;
            padding: 0;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .related-card .btn-link:hover {
            color: var(--primary-700);
            gap: 0.7rem;
        }
        .badge-custom {
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            padding: 0.4rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            align-self: flex-start;
        }

        .cta-section {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover;
            position: relative;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 15, 26, 0.86);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 0.8rem 2.2rem;
            border-radius: 12px;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 18px rgba(0, 210, 255, 0.4);
            transition: var(--transition);
            display: inline-block;
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 210, 255, 0.5);
            color: #fff;
        }

        .faq-section {
            padding: 60px 0;
            background: var(--light);
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 12px !important;
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(108, 92, 231, 0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(108, 92, 231, 0.4);
        }
        .accordion-body {
            padding: 1.25rem 1.5rem;
            color: var(--muted);
            line-height: 1.8;
        }

        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }
        .not-found-box {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 4rem 2rem;
            max-width: 600px;
            margin: 0 auto;
            border: 1px solid var(--border);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--muted);
            margin-bottom: 1rem;
        }
        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .not-found-box p {
            color: var(--muted);
            margin-bottom: 1.5rem;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 20px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .footer-brand .brand-text {
            background: linear-gradient(90deg, #ffffff, #c7d2fe);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-links h5 {
            color: #fff;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            font-weight: 600;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.7);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.6rem;
            font-size: 0.95rem;
        }
        .footer-links li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                padding: 1rem 0;
            }
            .navbar-nav .nav-link {
                padding: 0.6rem 1rem !important;
                border-radius: 8px;
            }
            .page-banner {
                padding: 60px 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .article-main {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .article-wrapper {
                padding: 40px 0;
            }
            .article-main {
                padding: 1.5rem 1.25rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .related-section {
                padding: 40px 0;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .faq-section {
                padding: 40px 0;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        @media (max-width: 575px) {
            .navbar-brand {
                font-size: 1.1rem !important;
            }
            .page-banner {
                padding: 50px 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .banner-meta {
                gap: 0.8rem;
                font-size: 0.85rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --x-primary: #5b6cff;
            --x-primary-dark: #3b4bd8;
            --x-primary-light: #eef0ff;
            --x-accent: #f0a93c;
            --x-dark: #0d1526;
            --x-dark-2: #141e33;
            --x-body: #f4f6fb;
            --x-white: #ffffff;
            --x-text: #1f2937;
            --x-text-muted: #67758b;
            --x-border: #e5e9f2;
            --x-radius-sm: 10px;
            --x-radius: 18px;
            --x-radius-lg: 28px;
            --x-shadow-sm: 0 4px 16px rgba(13, 21, 38, .06);
            --x-shadow: 0 14px 40px rgba(13, 21, 38, .08);
            --x-shadow-lg: 0 24px 64px rgba(13, 21, 38, .13);
            --x-transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
            background: var(--x-body);
            color: var(--x-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
        }

        .section-padding {
            padding: 96px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 20px;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(91, 108, 255, .12), rgba(124, 58, 237, .1));
            color: var(--x-primary-dark);
            font-size: .875rem;
            font-weight: 600;
            letter-spacing: .5px;
            border: 1px solid rgba(91, 108, 255, .22);
            margin-bottom: 14px;
            transition: var(--x-transition);
        }

        .section-header {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--x-dark);
            letter-spacing: .5px;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .section-header p {
            color: var(--x-text-muted);
            font-size: 1.05rem;
        }

        .section-header .section-tag {
            margin-bottom: 18px;
        }

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

        .section-header.light p {
            color: rgba(255, 255, 255, .8);
        }

        .btn-brand {
            --bs-btn-bg: var(--x-primary);
            --bs-btn-border-color: var(--x-primary);
            --bs-btn-hover-bg: var(--x-primary-dark);
            --bs-btn-hover-border-color: var(--x-primary-dark);
            --bs-btn-active-bg: var(--x-primary-dark);
            --bs-btn-active-border-color: var(--x-primary-dark);
            border-radius: 12px;
            padding: 10px 26px;
            font-weight: 600;
            letter-spacing: .3px;
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(91, 108, 255, .3);
            transition: var(--x-transition);
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(91, 108, 255, .4);
        }

        .btn-ghost {
            border-radius: 12px;
            padding: 10px 26px;
            font-weight: 600;
            border: 2px solid var(--x-border);
            color: var(--x-text);
            background: transparent;
            transition: var(--x-transition);
        }

        .btn-ghost:hover {
            border-color: var(--x-primary);
            color: var(--x-primary);
            background: var(--x-primary-light);
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            border-radius: 12px;
            padding: 10px 28px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, .55);
            color: #fff;
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
            transition: var(--x-transition);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .18);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-brand-nav {
            border-radius: 40px;
            padding: 8px 24px;
            font-weight: 600;
            background: linear-gradient(135deg, #5b6cff, #8b5cf6);
            color: #fff !important;
            border: none;
            box-shadow: 0 4px 18px rgba(91, 108, 255, .35);
            transition: var(--x-transition);
        }

        .btn-brand-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(91, 108, 255, .45);
            color: #fff;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 21, 38, .7);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: all .35s ease;
        }

        .site-header.scrolled {
            background: rgba(13, 21, 38, .92);
            box-shadow: 0 8px 30px rgba(0, 0, 0, .25);
        }

        .site-header .navbar {
            padding: 14px 0;
            transition: padding .3s;
        }

        .site-header.scrolled .navbar {
            padding: 9px 0;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-right: 0;
        }

        .site-header .brand-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #5b6cff, #8b5cf6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 6px 18px rgba(91, 108, 255, .4);
        }

        .site-header .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
            background: linear-gradient(90deg, #fff, #d4d8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-header .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .82);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 10px;
            margin: 0 2px;
            font-size: .95rem;
            position: relative;
            transition: var(--x-transition);
        }

        .site-header .navbar-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .site-header .navbar-nav .nav-link.active {
            color: #fff;
            font-weight: 600;
            background: rgba(91, 108, 255, .2);
        }

        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, #5b6cff, #8b5cf6);
        }

        .site-header .navbar-toggler {
            border-color: rgba(255, 255, 255, .3);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(91, 108, 255, .4);
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(13, 21, 38, .88), rgba(30, 27, 75, .72)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 160px 0 90px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(91, 108, 255, .28), transparent 65%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, .22), transparent 65%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero-inner {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(8px);
            padding: 7px 18px;
            border-radius: 40px;
            color: #fff;
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: .5px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.23;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, .3);
        }

        .page-hero p {
            color: rgba(255, 255, 255, .82);
            font-size: 1.08rem;
            max-width: 540px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--x-radius);
            padding: 34px 30px;
            height: 100%;
            border: 1px solid rgba(229, 233, 242, .7);
            box-shadow: var(--x-shadow-sm);
            transition: var(--x-transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--x-primary), var(--x-accent));
            opacity: 0;
            transition: var(--x-transition);
        }

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

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

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(91, 108, 255, .14), rgba(139, 92, 246, .12));
            color: var(--x-primary-dark);
            transition: var(--x-transition);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.06);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--x-dark);
        }

        .feature-card p {
            color: var(--x-text-muted);
            font-size: .95rem;
            margin-bottom: 0;
            line-height: 1.75;
        }

        .news-card {
            background: #fff;
            border-radius: var(--x-radius);
            overflow: hidden;
            border: 1px solid rgba(229, 233, 242, .6);
            box-shadow: var(--x-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--x-transition);
        }

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

        .news-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--x-dark-2);
        }

        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .news-card .card-img-wrap::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 40%;
            background: linear-gradient(transparent, rgba(0, 0, 0, .3));
            pointer-events: none;
        }

        .news-card .card-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            z-index: 2;
            background: rgba(13, 21, 38, .72);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: .75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .15);
            letter-spacing: .3px;
        }

        .news-card .card-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--x-dark);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--x-transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover .card-title {
            color: var(--x-primary-dark);
        }

        .news-card .card-text {
            font-size: .9rem;
            color: var(--x-text-muted);
            line-height: 1.65;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--x-border);
            padding-top: 14px;
            margin-top: 14px;
            font-size: .82rem;
            color: var(--x-text-muted);
        }

        .news-card .card-meta .card-link {
            color: var(--x-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card .card-meta .card-link:hover {
            gap: 8px;
            color: var(--x-primary-dark);
        }

        .stats-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(13, 21, 38, .94), rgba(30, 27, 75, .88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(91, 108, 255, .25), transparent 60%);
            pointer-events: none;
        }

        .stat-card {
            text-align: center;
            padding: 34px 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--x-radius);
            backdrop-filter: blur(8px);
            transition: var(--x-transition);
            height: 100%;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, .11);
            transform: translateY(-4px);
        }

        .stat-icon {
            font-size: 26px;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #7e8bff, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -1px;
            margin-bottom: 6px;
            background: linear-gradient(90deg, #fff, #d4d8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card .stat-label {
            color: rgba(255, 255, 255, .72);
            font-size: .92rem;
        }

        .timeline-wrapper {
            position: relative;
            max-width: 880px;
            margin: 0 auto;
            padding-left: 40px;
        }

        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            border-radius: 3px;
            background: linear-gradient(180deg, var(--x-primary), var(--x-accent));
            opacity: .25;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 38px 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 8px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #fff;
            border: 4px solid var(--x-primary);
            box-shadow: 0 0 0 5px rgba(91, 108, 255, .2);
            z-index: 1;
        }

        .timeline-item .tl-time {
            font-size: .82rem;
            color: var(--x-primary-dark);
            font-weight: 700;
            letter-spacing: .5px;
            margin-bottom: 6px;
            background: var(--x-primary-light);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 30px;
        }

        .timeline-item h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--x-dark);
            margin-bottom: 6px;
        }

        .timeline-item p {
            color: var(--x-text-muted);
            font-size: .93rem;
            margin-bottom: 0;
            max-width: 640px;
        }

        .accordion-section {
            background: #fff;
        }

        .accordion {
            --bs-accordion-border-radius: var(--x-radius);
            --bs-accordion-inner-border-radius: var(--x-radius);
            --bs-accordion-bg: #fff;
            --bs-accordion-border-color: var(--x-border);
            --bs-accordion-btn-color: var(--x-dark);
            --bs-accordion-btn-bg: #fff;
            --bs-accordion-active-color: var(--x-primary-dark);
            --bs-accordion-active-bg: var(--x-primary-light);
            --bs-accordion-btn-focus-border-color: rgba(91, 108, 255, .4);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(91, 108, 255, .15);
            --bs-accordion-btn-padding-y: 1.1rem;
            --bs-accordion-body-padding-y: 1.2rem;
        }

        .accordion-item {
            border: 1px solid var(--x-border);
            border-radius: var(--x-radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(13, 21, 38, .03);
            transition: var(--x-transition);
        }

        .accordion-item:hover {
            box-shadow: var(--x-shadow-sm);
        }

        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--x-dark);
            padding-left: 22px;
        }

        .accordion-button:not(.collapsed) {
            font-weight: 600;
        }

        .accordion-button::after {
            background-size: 1rem;
        }

        .accordion-body {
            color: var(--x-text-muted);
            font-size: .94rem;
            line-height: 1.75;
            padding-left: 22px;
            padding-right: 22px;
        }

        .faq-box {
            max-width: 860px;
            margin: 0 auto;
        }

        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(120deg, rgba(79, 70, 229, .92), rgba(124, 58, 237, .86)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 60%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .btn-white {
            border-radius: 12px;
            padding: 11px 30px;
            font-weight: 600;
            background: #fff;
            color: var(--x-primary-dark) !important;
            border: none;
            box-shadow: 0 8px 28px rgba(0, 0, 0, .16);
            transition: var(--x-transition);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 34px rgba(0, 0, 0, .22);
            background: #f0f1ff;
        }

        .btn-outline-white {
            border-radius: 12px;
            padding: 11px 28px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, .7);
            color: #fff;
            background: transparent;
            transition: var(--x-transition);
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--x-dark);
            color: rgba(255, 255, 255, .75);
            padding: 70px 0 0;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #5b6cff, #8b5cf6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }

        .site-footer .footer-brand .brand-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, .6);
            font-size: .93rem;
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 0;
        }

        .site-footer .footer-links h5 {
            color: #fff;
            font-size: 1.02rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .3px;
        }

        .site-footer .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--x-transition);
        }

        .site-footer .footer-links a i {
            font-size: .7rem;
            transition: transform .3s;
        }

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

        .site-footer .footer-links a:hover i {
            transform: translateX(3px);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 50px;
            padding: 20px 0;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .72);
            font-weight: 600;
        }

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

        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 30px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--x-dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
            opacity: 0;
            visibility: hidden;
            transition: var(--x-transition);
            z-index: 100;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--x-primary);
            transform: translateY(-3px);
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 76px 0;
            }

            .page-hero {
                min-height: 460px;
                padding: 130px 0 70px;
            }

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

        @media (max-width: 768px) {
            .section-padding {
                padding: 62px 0;
            }

            .page-hero {
                min-height: 420px;
                padding: 110px 0 56px;
            }

            .page-hero h1 {
                font-size: 1.85rem;
            }

            .page-hero p {
                font-size: .95rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .btn-brand,
            .btn-ghost-light,
            .btn-ghost {
                width: 100%;
                text-align: center;
            }

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

            .site-header .navbar-collapse {
                background: rgba(13, 21, 38, .97);
                border-radius: 14px;
                padding: 14px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, .08);
                box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
            }

            .site-header .navbar-nav .nav-link {
                padding: 11px 16px;
                border-radius: 10px;
            }

            .site-header .navbar-nav .nav-link.active::after {
                display: none;
            }

            .site-header .btn-brand-nav {
                margin-top: 10px;
                width: 100%;
                text-align: center;
            }

            .timeline-wrapper {
                padding-left: 32px;
            }

            .timeline-wrapper::before {
                left: 10px;
            }

            .timeline-item::before {
                left: -28px;
                width: 16px;
                height: 16px;
            }

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

            .cta-section {
                padding: 66px 0;
            }

            .site-footer {
                padding-top: 50px;
            }

            .site-footer .footer-bottom {
                margin-top: 34px;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 50px 0;
            }

            .page-hero {
                min-height: 380px;
                padding: 100px 0 44px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-badge {
                font-size: .78rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .feature-card {
                padding: 26px 22px;
            }

            .news-card .card-title {
                font-size: .95rem;
            }

            .news-card .card-text {
                font-size: .86rem;
            }

            .timeline-item h3 {
                font-size: .98rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

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

            .cta-buttons .btn-white,
            .cta-buttons .btn-outline-white {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e2a5a;
            --primary-light: #3a4a8f;
            --primary-dark: #0d1220;
            --accent: #f5a623;
            --accent-light: #ffc94d;
            --accent-dark: #d4891a;
            --bg: #f6f7fb;
            --bg-alt: #eef1f7;
            --card-bg: #ffffff;
            --text: #1a1f36;
            --text-weak: #667085;
            --border: #e4e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 6px 30px rgba(30, 42, 90, 0.08);
            --shadow-lg: 0 18px 50px rgba(30, 42, 90, 0.14);
            --transition: all 0.3s ease;
            --navbar-height: 76px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 90px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-weak);
            font-size: 1.05rem;
        }

        /* ===== 按钮 ===== */
        .btn-brand {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-brand:hover,
        .btn-brand:focus {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(30, 42, 90, 0.25);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(245, 166, 35, 0.35);
        }

        .btn-outline-light-custom {
            border: 2px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            padding: 10px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-brand-nav {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-brand-nav:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 166, 35, 0.3);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(30, 42, 90, 0.05);
        }

        .site-header .navbar {
            min-height: var(--navbar-height);
            padding: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(30, 42, 90, 0.25);
        }

        .brand-text {
            letter-spacing: 0.5px;
        }

        .navbar .nav-link {
            font-weight: 500;
            color: var(--text);
            padding: 10px 18px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .navbar .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 42, 90, 0.06);
        }

        .navbar .nav-link.active {
            color: var(--accent-dark);
            background: rgba(245, 166, 35, 0.12);
            font-weight: 700;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231e2a5a' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero Banner ===== */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(13, 18, 32, 0.88), rgba(30, 42, 90, 0.75)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(245, 166, 35, 0.1);
            border-radius: 50%;
            filter: blur(50px);
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 7px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero .lead {
            font-size: 1.2rem;
            max-width: 620px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 56px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-meta-item i {
            font-size: 22px;
            color: var(--accent);
        }

        .hero-meta-item .value {
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1;
        }

        .hero-meta-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 分类概览统计 ===== */
        .stats-wrap {
            margin-top: -60px;
            position: relative;
            z-index: 5;
        }

        .stats-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 36px 30px;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }

        .stats-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 25px 60px rgba(30, 42, 90, 0.15);
        }

        .stats-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 22px;
        }

        .stats-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stats-card .stat-label {
            color: var(--text-weak);
            font-size: 14px;
            margin-top: 4px;
        }

        /* ===== 卡片基础 ===== */
        .content-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-alt);
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .content-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(13, 18, 32, 0.75);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 50px;
            z-index: 2;
        }

        .card-body-custom {
            padding: 24px;
        }

        .card-body-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .card-body-custom p {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.65;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* ===== 排行 ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 16px 22px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .ranking-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 166, 35, 0.3);
        }

        .rank-num {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            background: var(--bg-alt);
            color: var(--primary);
            flex-shrink: 0;
        }

        .rank-num.top-1 {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
        }

        .rank-num.top-2 {
            background: linear-gradient(135deg, #a0aec0, #cbd5e1);
            color: #fff;
        }

        .rank-num.top-3 {
            background: linear-gradient(135deg, #cd9a6a, #e2b89a);
            color: #fff;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .rank-info p {
            color: var(--text-weak);
            font-size: 13px;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-score {
            text-align: right;
            flex-shrink: 0;
        }

        .rank-score .score-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-dark);
        }

        .rank-score .score-label {
            font-size: 12px;
            color: var(--text-weak);
        }

        .stars {
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 1px;
        }

        /* ===== 专题卡片 ===== */
        .topic-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .topic-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }

        .topic-body {
            padding: 24px;
        }

        .topic-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .topic-body p {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .topic-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .topic-meta .badge-custom {
            font-size: 12px;
            background: rgba(30, 42, 90, 0.08);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
        }

        /* ===== 更新列表 ===== */
        .update-list {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 12px 0;
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 26px;
            transition: var(--transition);
            border-bottom: 1px solid var(--border);
        }

        .update-item:last-child {
            border-bottom: none;
        }

        .update-item:hover {
            background: rgba(245, 166, 35, 0.04);
            padding-left: 32px;
        }

        .update-date {
            font-size: 13px;
            color: var(--text-weak);
            white-space: nowrap;
            background: var(--bg-alt);
            padding: 4px 14px;
            border-radius: 50px;
            flex-shrink: 0;
        }

        .update-cat {
            font-size: 13px;
            color: var(--accent-dark);
            background: rgba(245, 166, 35, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
        }

        .update-title {
            flex: 1;
            font-weight: 500;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .update-title:hover {
            color: var(--primary);
        }

        .update-arrow {
            color: var(--text-weak);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .update-item:hover .update-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ===== 对比表格 ===== */
        .compare-table-wrap {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            min-width: 760px;
            border-collapse: collapse;
        }

        .compare-table th,
        .compare-table td {
            padding: 18px 22px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .compare-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.5px;
        }

        .compare-table th:first-child {
            border-radius: 0;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr {
            transition: var(--transition);
        }

        .compare-table tbody tr:hover {
            background: rgba(245, 166, 35, 0.04);
        }

        .compare-table .app-name {
            font-weight: 700;
            color: var(--primary);
        }

        .compare-table .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-dark);
            padding: 4px 14px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
        }

        .table-label {
            display: inline-block;
            background: rgba(30, 42, 90, 0.08);
            color: var(--primary);
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 50px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            background: var(--card-bg);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(245, 166, 35, 0.06);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(245, 166, 35, 0.3);
        }

        .accordion-button::after {
            color: var(--primary);
        }

        .accordion-body {
            padding: 20px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
            border-top: 1px solid var(--border);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--primary-light));
            border-radius: var(--radius);
            padding: 64px 48px;
            margin: 90px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(245, 166, 35, 0.2);
            border-radius: 50%;
            filter: blur(40px);
        }

        .cta-section::after {
            content: '\f005';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            bottom: -20px;
            left: 30px;
            font-size: 120px;
            color: rgba(255, 255, 255, 0.04);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
            margin-top: 60px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 44px;
            height: 44px;
            font-size: 20px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 380px;
            margin-bottom: 0;
        }

        .footer-links h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a i {
            font-size: 10px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links a:hover i {
            transform: translateX(2px);
        }

        .footer-bottom {
            margin-top: 50px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        /* ===== 通用徽章 ===== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
        }

        .badge-star {
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-dark);
        }

        .badge-blue {
            background: rgba(30, 42, 90, 0.08);
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-collapse {
                background: #fff;
                padding: 18px;
                border-radius: var(--radius-sm);
                box-shadow: var(--shadow-lg);
                margin-top: 14px;
            }

            .navbar .nav-link {
                padding: 10px 14px !important;
            }

            .btn-brand-nav {
                margin-left: 0 !important;
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }

            .section {
                padding: 70px 0;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .page-hero h1 {
                font-size: 2.4rem;
            }

            .page-hero {
                padding: 90px 0 80px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 38px;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero .lead {
                font-size: 1rem;
            }

            .stats-wrap {
                margin-top: -40px;
            }

            .stats-card {
                padding: 24px 18px;
            }

            .stats-card .stat-num {
                font-size: 1.5rem;
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .rank-score {
                width: 100%;
                text-align: left;
                padding-left: 56px;
            }

            .update-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .update-title {
                white-space: normal;
                flex-basis: 100%;
                order: 3;
            }

            .cta-section {
                padding: 40px 24px;
                margin: 60px 0;
            }

            .cta-text h2 {
                font-size: 1.5rem;
            }

            .hero-meta {
                gap: 14px;
            }

            .hero-meta-item {
                flex-wrap: wrap;
            }

            .site-footer {
                padding-top: 50px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section {
                padding: 46px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .page-hero {
                padding: 70px 0 60px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-actions .btn-brand,
            .hero-actions .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 14px;
            }

            .ranking-item {
                padding: 12px 16px;
                gap: 10px;
            }

            .rank-num {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .card-body-custom {
                padding: 18px;
            }

            .compare-table th,
            .compare-table td {
                padding: 14px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #5b3cc4;
            --primary-dark: #3f2a8a;
            --primary-light: #7c5ce6;
            --accent: #ff8a3c;
            --accent-light: #ffb37a;
            --bg: #f7f8fc;
            --bg-deep: #15102a;
            --bg-deep-2: #1e1838;
            --card: #ffffff;
            --text: #1e1e2e;
            --text-light: #6b7280;
            --border: #e7e9f2;
            --radius: 20px;
            --radius-sm: 14px;
            --shadow: 0 12px 32px rgba(38, 28, 89, .08);
            --shadow-lg: 0 24px 56px rgba(38, 28, 89, .14);
            --transition: .3s ease;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul {
            list-style: none;
            padding: 0;
        }

        .container {
            max-width: 1200px;
        }

        /* ---------- Header 导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(21, 16, 42, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-right: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            border-radius: 14px;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 8px 22px rgba(124, 92, 230, .38);
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .navbar-nav {
            gap: 6px;
        }

        .nav-link {
            color: rgba(255, 255, 255, .76) !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 18px !important;
            border-radius: 14px;
            transition: all var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, .08);
            transform: translateY(-2px);
        }

        .nav-link.active {
            color: #fff !important;
            background: linear-gradient(135deg, rgba(124, 92, 230, .35), rgba(255, 138, 60, .22)) !important;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
        }

        .btn-brand-nav {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #1e1e2e;
            font-weight: 700;
            font-size: 15px;
            border: none;
            border-radius: 14px;
            padding: 10px 24px;
            box-shadow: 0 8px 20px rgba(255, 138, 60, .3);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-brand-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 138, 60, .42);
            color: #1e1e2e;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ---------- Hero ---------- */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(21, 16, 42, .92), rgba(63, 42, 138, .78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
            color: #fff;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 138, 60, .25), transparent 70%);
            pointer-events: none;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(124, 92, 230, .3), transparent 70%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .78);
            transition: color var(--transition);
        }

        .hero-breadcrumb a:hover {
            color: var(--accent-light);
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, .35);
        }

        .hero-breadcrumb .current {
            color: var(--accent-light);
            font-weight: 600;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 138, 60, .18);
            border: 1px solid rgba(255, 138, 60, .35);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 8px 18px;
            border-radius: 100px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero h1 span {
            background: linear-gradient(120deg, var(--accent-light), #ffe0c2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .lead {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            max-width: 640px;
            margin-bottom: 34px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #1e1e2e;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 30px;
            border-radius: 16px;
            border: none;
            box-shadow: 0 10px 28px rgba(255, 138, 60, .34);
            transition: all var(--transition);
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 36px rgba(255, 138, 60, .44);
            color: #1e1e2e;
        }

        .btn-hero-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 13px 30px;
            border-radius: 16px;
            transition: all var(--transition);
        }

        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .4);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ---------- 通用 Section ---------- */
        .section {
            padding: 96px 0;
            position: relative;
        }

        .section-bg-white {
            background: #fff;
        }

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

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

        .section-head {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(124, 92, 230, .1);
            padding: 8px 20px;
            border-radius: 100px;
            margin-bottom: 18px;
        }

        .section-label-light {
            color: var(--accent-light);
            background: rgba(255, 138, 60, .14);
        }

        .section-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 14px;
        }

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

        .section-sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.85;
        }

        .section-sub-light {
            color: rgba(255, 255, 255, .7);
        }

        .text-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ---------- 数据概览 ---------- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 46px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent));
            border-radius: 4px 4px 0 0;
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .stat-icon {
            width: 58px;
            height: 58px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(124, 92, 230, .12), rgba(255, 138, 60, .1));
            border-radius: 18px;
            font-size: 24px;
            color: var(--primary);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1;
            color: var(--text);
            margin-bottom: 8px;
        }

        .stat-number sup {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ---------- 排行榜 ---------- */
        .rank-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 26px;
            margin-bottom: 18px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .rank-card:hover {
            transform: translateX(8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(124, 92, 230, .25);
        }

        .rank-number {
            flex-shrink: 0;
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            border-radius: 16px;
            box-shadow: 0 8px 18px rgba(91, 60, 196, .26);
        }

        .rank-card:nth-child(1) .rank-number {
            background: linear-gradient(135deg, #ffb37a, #ff8a3c);
            box-shadow: 0 8px 18px rgba(255, 138, 60, .3);
        }

        .rank-card:nth-child(2) .rank-number {
            background: linear-gradient(135deg, #a9b8ff, #7c8cf0);
        }

        .rank-card:nth-child(3) .rank-number {
            background: linear-gradient(135deg, #ffc58a, #f0a35c);
        }

        .rank-cover {
            flex-shrink: 0;
            width: 96px;
            height: 96px;
            border-radius: 18px;
            object-fit: cover;
            box-shadow: 0 6px 16px rgba(30, 30, 46, .1);
        }

        .rank-body {
            flex: 1;
            min-width: 0;
        }

        .rank-body .rank-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 6px;
        }

        .rank-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .rank-body p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .rank-meta {
            flex-shrink: 0;
            text-align: right;
            min-width: 120px;
        }

        .rank-score {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
        }

        .rank-score small {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
        }

        .rank-hot {
            display: inline-block;
            margin-top: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(124, 92, 230, .1);
            padding: 4px 12px;
            border-radius: 100px;
        }

        .btn-rank-detail {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 18px;
            border-radius: 12px;
            background: rgba(124, 92, 230, .08);
            transition: all var(--transition);
        }

        .btn-rank-detail:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ---------- 专题推荐卡片 ---------- */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .topic-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .topic-cover {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .topic-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .topic-card:hover .topic-cover img {
            transform: scale(1.08);
        }

        .topic-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(21, 16, 42, .65));
        }

        .topic-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 100px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
        }

        .topic-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .topic-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .topic-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .topic-count {
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
        }

        .topic-count i {
            color: var(--accent);
            margin-right: 4px;
        }

        .btn-topic {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .btn-topic:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ---------- 用户口碑 ---------- */
        .review-swiper {
            position: relative;
        }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .review-card {
            background: var(--bg-deep-2);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: var(--radius);
            padding: 36px 30px;
            position: relative;
            transition: all var(--transition);
        }

        .review-card:hover {
            transform: translateY(-6px);
            background: #241e44;
            border-color: rgba(124, 92, 230, .3);
        }

        .review-quote {
            font-size: 44px;
            color: var(--primary-light);
            opacity: .6;
            line-height: 1;
            margin-bottom: 12px;
        }

        .review-card p {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
        }

        .review-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 17px;
        }

        .review-user .name {
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }

        .review-user .role {
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
        }

        .review-stars {
            margin-top: 4px;
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 2px;
        }

        /* ---------- 最新动态时间线 ---------- */
        .timeline {
            position: relative;
            padding-left: 34px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 6px;
            width: 2px;
            height: calc(100% - 12px);
            background: linear-gradient(180deg, var(--primary-light), var(--accent-light), transparent);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -34px;
            top: 6px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #fff;
            border: 6px solid var(--primary-light);
            box-shadow: 0 4px 10px rgba(91, 60, 196, .25);
        }

        .timeline-item:nth-child(2) .timeline-dot {
            border-color: var(--accent);
        }

        .timeline-item:nth-child(3) .timeline-dot {
            border-color: #4ecdc4;
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .timeline-card:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-lg);
        }

        .timeline-date {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .timeline-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .btn-more-updates {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 36px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(124, 92, 230, .08);
            padding: 12px 28px;
            border-radius: 14px;
            transition: all var(--transition);
        }

        .btn-more-updates:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-list .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 16px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .faq-list .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            background: #fff;
            padding: 22px 28px;
            box-shadow: none;
        }

        .faq-list .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }

        .faq-list .accordion-button:not(.collapsed) {
            background: linear-gradient(135deg, rgba(124, 92, 230, .06), rgba(255, 138, 60, .04));
            color: var(--primary);
        }

        .faq-list .accordion-button::after {
            background-size: 14px;
            filter: hue-rotate(220deg);
        }

        .faq-list .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-more {
            text-align: center;
            margin-top: 28px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            padding: 28px 0 0;
            position: relative;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 50%, #7c3aed);
            border-radius: 28px;
            padding: 60px 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 138, 60, .4), transparent 70%);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -50px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, .15), transparent 70%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, .82);
            max-width: 520px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-cta-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: 14px;
            border: none;
            transition: all var(--transition);
        }

        .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, .18);
            color: var(--primary-dark);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: 14px;
            transition: all var(--transition);
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .75);
            padding: 68px 0 0;
            margin-top: 96px;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.9;
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-links h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent));
            border-radius: 3px;
        }

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .62);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links ul li a i {
            font-size: 11px;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .footer-links ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-links ul li a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 24px 0;
            margin-top: 48px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .42);
            margin-bottom: 0;
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .62);
            font-weight: 600;
        }

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

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .section {
                padding: 76px 0;
            }

            .page-hero {
                padding: 100px 0 80px;
            }

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

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

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

            .page-hero h1 {
                font-size: 40px;
            }

            .section-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .navbar-nav {
                margin-top: 12px;
                padding-bottom: 6px;
            }

            .nav-link {
                padding: 12px 16px !important;
            }

            .btn-brand-nav {
                margin-left: 0;
                margin-top: 6px;
                width: 100%;
                justify-content: center;
            }

            .page-hero {
                padding: 84px 0 66px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .lead {
                font-size: 15px;
            }

            .section-title {
                font-size: 28px;
            }

            .rank-card {
                flex-wrap: wrap;
                gap: 16px;
            }

            .rank-cover {
                width: 80px;
                height: 80px;
            }

            .rank-meta {
                min-width: 100%;
                text-align: left;
            }

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

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

            .stats-grid {
                gap: 16px;
            }

            .stat-card {
                padding: 26px 18px;
            }

            .cta-box {
                padding: 40px 28px;
                border-radius: 22px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-ghost {
                width: 100%;
                justify-content: center;
            }

            .timeline {
                padding-left: 26px;
            }

            .timeline-dot {
                left: -26px;
                width: 18px;
                height: 18px;
                border-width: 5px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .navbar-brand .brand-text {
                font-size: 18px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }

            .section {
                padding: 60px 0;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .rank-card {
                padding: 18px;
            }

            .rank-number {
                width: 42px;
                height: 42px;
                font-size: 18px;
                border-radius: 12px;
            }

            .rank-cover {
                width: 68px;
                height: 68px;
                border-radius: 14px;
            }

            .rank-body h3 {
                font-size: 17px;
            }

            .topic-cover {
                height: 180px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn-cta-light,
            .cta-actions .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }

            .footer-brand .brand-text {
                font-size: 18px;
            }
        }