/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --primary-bg: #eff6ff;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --secondary-light: #fbbf24;
            --accent: #8b5cf6;
            --accent-light: #a78bfa;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-gray: #f1f5f9;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --spacing-section: 88px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.5rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-light);
            margin-bottom: 0.75rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Utility ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            max-width: 560px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 100px;
            background: var(--primary-bg);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.15);
        }
        .badge-hot {
            background: #fef2f2;
            color: #ef4444;
            border-color: rgba(239, 68, 68, 0.15);
        }
        .badge-new {
            background: #f0fdf4;
            color: #16a34a;
            border-color: rgba(22, 163, 74, 0.15);
        }
        .badge-secondary {
            background: #fffbeb;
            color: var(--secondary-dark);
            border-color: rgba(245, 158, 11, 0.15);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
            height: var(--header-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-gray);
            border-radius: 100px;
            padding: 0 16px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .nav-search input {
            padding: 8px 10px;
            font-size: 0.9rem;
            color: var(--text);
            background: transparent;
            min-width: 160px;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-search button {
            color: var(--text-light);
            padding: 6px;
            font-size: 1rem;
            transition: color var(--transition);
        }
        .nav-search button:hover {
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg-gray);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(30, 27, 75, 0.8)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-white);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.2), transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(139, 92, 246, 0.15), transparent 60%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.15;
            letter-spacing: -1px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-gray);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark .section-title h2 {
            color: #fff;
        }
        .section-dark .section-title h2::after {
            background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
        }
        .section-dark .section-title p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Features Grid ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: #fff;
        }
        .feature-card .icon.blue {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }
        .feature-card .icon.orange {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
        }
        .feature-card .icon.purple {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
        }
        .feature-card h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .feature-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== Game Cards Grid ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .game-card .thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: var(--bg-gray);
        }
        .game-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .thumb img {
            transform: scale(1.05);
        }
        .game-card .thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .game-card .info {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .info h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .game-card .info p {
            font-size: 0.9rem;
            margin-bottom: 16px;
            flex: 1;
        }
        .game-card .info .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .game-card .info .meta i {
            margin-right: 4px;
        }

        /* ===== News / CMS List ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .news-item .num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .news-item .content {
            flex: 1;
            min-width: 0;
        }
        .news-item .content h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-item .content h4 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .news-item .content h4 a:hover {
            color: var(--primary);
        }
        .news-item .content p {
            font-size: 0.9rem;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .content .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .news-item .content .meta-info span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            font-size: 1rem;
        }

        /* ===== Stats / Data Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 36px 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .num span {
            color: var(--secondary-light);
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .stat-card .icon-bg {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.15);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 740px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            background: var(--primary-bg);
            border-bottom: 1px solid var(--border);
        }
        .faq-item .answer {
            padding: 18px 24px 22px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item .answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 24px;
            text-align: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 0 24px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(255, 255, 255, 0.15), transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.1), transparent 50%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 4vw, 2.6rem);
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-section .btn-white {
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        .cta-section .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .cta-section .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 24px 32px;
            margin-top: 24px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all var(--transition);
            border: none;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --spacing-section: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active::after {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .nav-search.mobile-show {
                display: flex;
                margin-top: 12px;
                width: 100%;
            }
            .hero {
                min-height: 480px;
                padding: 60px 20px;
            }
            .hero-stats {
                gap: 24px;
                padding-top: 28px;
                margin-top: 32px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .news-item .num {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .num {
                font-size: 2rem;
            }
            .faq-item summary {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .answer {
                padding: 14px 18px 18px;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 48px 20px;
                margin: 0 16px;
                border-radius: var(--radius);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 260px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .num {
                font-size: 1.7rem;
            }
            .news-item .content .meta-info {
                flex-direction: column;
                gap: 4px;
            }
            .footer-grid {
                gap: 24px;
            }
            .cta-section .btn-white {
                width: 100%;
                max-width: 260px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #6c5ce7;
            --color-primary-dark: #5a4bd1;
            --color-primary-light: #a29bfe;
            --color-secondary: #fd79a8;
            --color-accent: #fdcb6e;
            --color-bg: #f8f9fa;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #2d3436;
            --color-text: #2d3436;
            --color-text-light: #636e72;
            --color-text-lighter: #b2bec3;
            --color-border: #e0e0e0;
            --color-border-light: #f0f0f0;
            --color-white: #ffffff;
            --color-success: #00b894;
            --color-warning: #fdcb6e;
            --color-error: #e17055;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 16px 48px rgba(108,92,231,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacing-section: 80px;
            --spacing-block: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        button { cursor: pointer; font-family: inherit; }
        input, textarea { font-family: inherit; outline: none; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-text); }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            height: var(--header-height);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary);
        }
        .logo i { font-size: 1.6rem; color: var(--color-secondary); }
        .logo span { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--color-primary); background: rgba(108,92,231,0.06); }
        .nav-links a.active { color: var(--color-primary); background: rgba(108,92,231,0.1); font-weight: 600; }
        .nav-links a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; border-radius: 2px; background: var(--color-primary); }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            padding: 0 6px 0 16px;
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(108,92,231,0.1); }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 0.9rem;
            min-width: 160px;
            color: var(--color-text);
        }
        .nav-search input::placeholder { color: var(--color-text-lighter); }
        .nav-search button {
            background: var(--color-primary);
            border: none;
            color: var(--color-white);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .nav-search button:hover { background: var(--color-primary-dark); transform: scale(1.05); }
        .mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--color-text); padding: 6px; }
        .mobile-show { display: none; }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, #f0e6ff 0%, #e8f4f8 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108,92,231,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 24px;
        }
        .article-breadcrumb a { color: var(--color-text-light); }
        .article-breadcrumb a:hover { color: var(--color-primary); }
        .article-breadcrumb .sep { color: var(--color-text-lighter); }
        .article-hero h1 {
            font-size: 2.2rem;
            line-height: 1.3;
            margin-bottom: 16px;
            max-width: 900px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: var(--color-text-light);
            font-size: 0.9rem;
        }
        .article-meta .badge {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 4px; opacity: 0.7; }

        /* ===== Article Content ===== */
        .article-section {
            padding: 48px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px;
        }
        .article-body .featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .article-body .featured-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body .content p {
            margin-bottom: 1.4em;
        }
        .article-body .content h2, .article-body .content h3 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-body .content ul, .article-body .content ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-body .content li {
            margin-bottom: 0.4em;
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.2em 0;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--color-primary);
            background: rgba(108,92,231,0.04);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.4em 0;
            color: var(--color-text-light);
        }
        .article-body .content a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content a:hover { color: var(--color-primary-dark); }

        /* Article Not Found */
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
        }
        .article-not-found i {
            font-size: 4rem;
            color: var(--color-text-lighter);
            margin-bottom: 24px;
        }
        .article-not-found h2 {
            margin-bottom: 16px;
            color: var(--color-text-light);
        }
        .article-not-found p {
            color: var(--color-text-light);
            margin-bottom: 24px;
        }
        .article-not-found .btn {
            display: inline-block;
            padding: 12px 32px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-xl);
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--color-primary); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--color-text);
            font-size: 0.9rem;
            line-height: 1.4;
        }
        .sidebar-list a:hover { color: var(--color-primary); }
        .sidebar-list .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg);
        }
        .sidebar-list .info { flex: 1; min-width: 0; }
        .sidebar-list .info .title { font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .sidebar-list .info .date { font-size: 0.8rem; color: var(--color-text-lighter); margin-top: 4px; }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            padding: 6px 16px;
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: var(--transition);
        }
        .sidebar-tags a:hover { background: var(--color-primary); color: var(--color-white); }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--color-white);
        }
        .faq-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-title h2 { margin-bottom: 8px; }
        .faq-section .section-title p { color: var(--color-text-light); max-width: 600px; margin: 0 auto; }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            cursor: pointer;
            background: var(--color-bg);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: rgba(108,92,231,0.04); }
        .faq-question i { transition: var(--transition); color: var(--color-primary); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer { padding: 18px 24px 24px; max-height: 400px; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: var(--color-white);
            text-align: center;
        }
        .cta-section h2 { font-size: 2rem; margin-bottom: 12px; color: var(--color-white); }
        .cta-section p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-buttons .btn {
            padding: 14px 36px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-primary { background: var(--color-white); color: var(--color-primary); }
        .cta-buttons .btn-primary:hover { background: var(--color-bg); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
        .cta-buttons .btn-outline { background: transparent; color: var(--color-white); border: 2px solid rgba(255,255,255,0.4); }
        .cta-buttons .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--color-white); transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 0;
        }
        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: var(--color-white); margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: var(--color-white); background: none; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.7; max-width: 360px; }
        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover { color: var(--color-white); transform: translateX(4px); }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; --spacing-section: 48px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .article-hero { padding: 32px 0 28px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 24px; }
            .nav-links { display: none; }
            .nav-links.mobile-open { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; right: 0; background: var(--color-white); padding: 16px 24px; box-shadow: var(--shadow-lg); border-radius: 0 0 var(--radius-md) var(--radius-md); gap: 4px; }
            .mobile-toggle { display: flex; }
            .mobile-show { display: flex !important; }
            #desktopSearch { display: none; }
            .nav-search { width: 100%; }
            .nav-links.mobile-open .nav-search { margin-top: 12px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-buttons .btn { padding: 12px 28px; font-size: 0.9rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-body { padding: 16px; }
            .article-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
            .article-hero h1 { font-size: 1.3rem; }
            .faq-question { padding: 14px 16px; font-size: 0.9rem; }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in-up { animation: fadeInUp 0.6s ease forwards; }
        .fade-in-up-delay-1 { animation-delay: 0.1s; }
        .fade-in-up-delay-2 { animation-delay: 0.2s; }
        .fade-in-up-delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #00cec9;
            --bg-body: #f8f9fe;
            --bg-card: #ffffff;
            --bg-dark: #2d2b55;
            --bg-footer: #1e1d45;
            --text-main: #2d2b55;
            --text-light: #6c6a8a;
            --text-white: #f0eff9;
            --border-light: #e8e6f5;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.08);
            --shadow-md: 0 6px 30px rgba(108, 92, 231, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.16);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(108, 92, 231, 0.06);
            height: var(--header-height);
        }

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 26px;
            color: var(--secondary);
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.28);
        }

        .nav-links a.active:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 40px;
            padding: 0 6px 0 18px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            min-width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
        }

        .nav-search input {
            padding: 8px 0;
            font-size: 14px;
            background: transparent;
            color: var(--text-main);
            flex: 1;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-light);
            opacity: 0.7;
        }

        .nav-search button {
            padding: 8px 14px;
            color: var(--text-light);
            font-size: 15px;
            border-radius: 40px;
            transition: color var(--transition);
        }

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

        .mobile-toggle {
            display: none;
            font-size: 22px;
            color: var(--text-main);
            padding: 8px;
            border-radius: 8px;
            background: none;
            transition: background var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(108, 92, 231, 0.06);
        }

        .mobile-show {
            display: none !important;
        }

        #desktopSearch {
            display: flex;
        }

        @media (max-width: 820px) {
            .header-inner {
                padding: 0 16px;
            }

            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
                pointer-events: none;
                border-bottom: 1px solid var(--border-light);
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 20px;
                font-size: 16px;
                border-radius: 12px;
            }

            .mobile-toggle {
                display: block;
            }

            #desktopSearch {
                display: none !important;
            }

            .mobile-show {
                display: flex !important;
                width: 100%;
                margin-top: 8px;
            }

            .nav-search {
                min-width: unset;
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 18px;
            }
            .logo i {
                font-size: 20px;
            }
            .header-inner {
                gap: 12px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #3d3a7a 100%);
            overflow: hidden;
            text-align: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

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

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-banner h1 i {
            color: var(--secondary);
            margin-right: 12px;
        }

        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .page-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .page-banner .banner-stats .stat-item {
            text-align: center;
        }

        .page-banner .banner-stats .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }

        .page-banner .banner-stats .stat-number i {
            color: var(--accent);
            font-size: 28px;
            margin-right: 6px;
        }

        .page-banner .banner-stats .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 48px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
                padding: 0 8px;
            }
            .page-banner .banner-stats {
                gap: 24px;
            }
            .page-banner .banner-stats .stat-number {
                font-size: 24px;
            }
        }

        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner .banner-stats {
                gap: 16px;
            }
            .page-banner .banner-stats .stat-number {
                font-size: 20px;
            }
            .page-banner .banner-stats .stat-label {
                font-size: 12px;
            }
        }

        /* ===== Filter / Sort Bar ===== */
        .filter-bar {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-top: -32px;
            position: relative;
            z-index: 5;
            border: 1px solid var(--border-light);
        }

        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-bar .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }

        .filter-bar .filter-tag {
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .filter-bar .filter-tag:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(108, 92, 231, 0.04);
        }

        .filter-bar .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.2);
        }

        .filter-bar .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .filter-bar .filter-sort select {
            padding: 8px 16px;
            border-radius: 40px;
            border: 1px solid var(--border-light);
            background: var(--bg-body);
            font-size: 13px;
            color: var(--text-main);
            cursor: pointer;
            transition: border-color var(--transition);
        }

        .filter-bar .filter-sort select:focus {
            border-color: var(--primary-light);
            outline: none;
        }

        @media (max-width: 768px) {
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 16px 18px;
                margin-top: -20px;
            }
            .filter-bar .filter-sort {
                margin-left: 0;
                width: 100%;
            }
            .filter-bar .filter-sort select {
                width: 100%;
            }
        }

        /* ===== Game Grid Section ===== */
        .section-games {
            padding: 56px 0 72px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
        }

        .section-header h2 i {
            color: var(--primary);
            margin-right: 10px;
        }

        .section-header .section-more {
            font-size: 15px;
            color: var(--primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .section-header .section-more:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

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

        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.15);
        }

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

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

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

        .game-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, var(--secondary), #e84393);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 40px;
            box-shadow: 0 4px 12px rgba(253, 121, 168, 0.3);
        }

        .game-card .card-img .card-rating {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card .card-img .card-rating i {
            color: #fdcb6e;
            font-size: 12px;
        }

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

        .game-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .game-card .card-body h3 a {
            color: var(--text-main);
            transition: color var(--transition);
        }

        .game-card .card-body h3 a:hover {
            color: var(--primary);
        }

        .game-card .card-body .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 12px;
        }

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

        .game-card .card-body .card-meta i {
            font-size: 12px;
            color: var(--primary-light);
        }

        .game-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .game-card .card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .game-card .card-body .card-tags span {
            padding: 3px 14px;
            border-radius: 40px;
            font-size: 12px;
            background: rgba(108, 92, 231, 0.06);
            color: var(--primary);
            font-weight: 500;
        }

        .game-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .game-card .card-body .card-footer .btn-detail {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.2);
        }

        .game-card .card-body .card-footer .btn-detail:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.3);
        }

        .game-card .card-body .card-footer .btn-wish {
            padding: 8px 14px;
            border-radius: 40px;
            font-size: 13px;
            color: var(--text-light);
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card .card-body .card-footer .btn-wish:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(253, 121, 168, 0.06);
        }

        @media (max-width: 640px) {
            .game-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-games {
                padding: 36px 0 48px;
            }
        }

        /* ===== Featured / Rank Section ===== */
        .section-rank {
            padding: 64px 0;
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .rank-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .rank-col h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .rank-col h3 i {
            color: var(--primary);
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .rank-item:hover {
            border-color: rgba(108, 92, 231, 0.15);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .rank-item .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-light);
            min-width: 36px;
            text-align: center;
        }

        .rank-item .rank-num.top {
            color: var(--secondary);
        }

        .rank-item .rank-info {
            flex: 1;
        }

        .rank-item .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
        }

        .rank-item .rank-info p {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .rank-item .rank-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .rank-item .rank-score i {
            color: #fdcb6e;
            font-size: 14px;
            margin-right: 4px;
        }

        @media (max-width: 860px) {
            .rank-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 480px) {
            .rank-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-item .rank-score {
                margin-left: auto;
            }
        }

        /* ===== CTA Section ===== */
        .section-cta {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #3d3a7a 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

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

        .section-cta h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .section-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
        }

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

        .section-cta .cta-btn-primary {
            padding: 16px 40px;
            border-radius: 60px;
            font-size: 16px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--secondary), #e84393);
            color: #fff;
            box-shadow: 0 8px 28px rgba(253, 121, 168, 0.35);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .section-cta .cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(253, 121, 168, 0.45);
            color: #fff;
        }

        .section-cta .cta-btn-secondary {
            padding: 16px 40px;
            border-radius: 60px;
            font-size: 16px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .section-cta .cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            transform: translateY(-3px);
        }

        @media (max-width: 640px) {
            .section-cta h2 {
                font-size: 26px;
            }
            .section-cta .cta-btn-primary,
            .section-cta .cta-btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== FAQ Section ===== */
        .section-faq {
            padding: 64px 0 72px;
        }

        .section-faq .section-header {
            margin-bottom: 32px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.12);
        }

        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: color var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-item .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

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

        .faq-item .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        @media (max-width: 640px) {
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: var(--text-white);
            padding: 56px 0 0;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-brand .logo span {
            background: linear-gradient(135deg, #a29bfe, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-col ul li a i {
            font-size: 14px;
            color: var(--primary-light);
            width: 18px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-inner {
                padding: 0 16px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
        }