/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #1a2a6c;
            --primary-dark: #060f1e;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --secondary-dark: #d97706;
            --accent: #ef4444;
            --accent-light: #f87171;
            --bg: #ffffff;
            --bg-alt: #f1f5f9;
            --bg-dark: #0b1a30;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px 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);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 76px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { margin-bottom: 1em; color: var(--text-light); }
        p:last-child { margin-bottom: 0; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark h2, .section-dark h3 { color: var(--text-white); }
        .section-dark p { color: rgba(255,255,255,0.75); }
        .text-center { text-align: center; }
        .text-secondary { color: var(--secondary); }

        /* ===== Header / Nav (卡片化导航面板) ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            height: var(--header-h);
        }
        .header.scrolled { box-shadow: var(--shadow-lg); }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .header-logo i {
            font-size: 1.6rem;
            color: var(--secondary);
            background: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .header-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-panel {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-alt);
            padding: 4px 6px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .nav-panel a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-panel a i { font-size: 0.95rem; }
        .nav-panel a:hover { color: var(--primary); background: rgba(255,255,255,0.7); }
        .nav-panel a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow);
        }
        .nav-panel a.active:hover { color: #fff; background: var(--primary-light); }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta .btn-download {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            padding: 10px 28px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 14px rgba(245,158,11,0.35);
            transition: var(--transition);
            border: none;
        }
        .header-cta .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.45); color: #fff; }
        .header-cta .btn-download i { font-size: 1rem; }
        .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 6px 10px; border-radius: var(--radius-sm); background: var(--bg-alt); border: 1px solid var(--border); }

        /* ===== Hero ===== */
        .hero {
            margin-top: var(--header-h);
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(11,26,48,0.92), rgba(26,42,108,0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .hero .container { position: relative; z-index: 2; padding: 60px 24px; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(6px);
            padding: 8px 20px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary-light);
            border: 1px solid rgba(255,255,255,0.15);
            margin-bottom: 24px;
        }
        .hero-badge i { font-size: 0.9rem; }
        .hero h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); color: #fff; line-height: 1.15; margin-bottom: 20px; }
        .hero h1 span { color: var(--secondary); }
        .hero p { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 32px; line-height: 1.8; }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-actions .btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            padding: 16px 40px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 28px rgba(245,158,11,0.4);
            transition: var(--transition);
            border: none;
        }
        .hero-actions .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(245,158,11,0.55); color: #fff; }
        .hero-actions .btn-ghost {
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255,255,255,0.25);
            transition: var(--transition);
            background: transparent;
        }
        .hero-actions .btn-ghost:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(255,255,255,0.05); }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stats .stat-item { text-align: left; }
        .hero-stats .stat-num { font-size: 1.8rem; font-weight: 800; color: var(--secondary); line-height: 1.2; }
        .hero-stats .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

        /* ===== 板块通用标题 ===== */
        .section-title { margin-bottom: 48px; }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { font-size: 1.05rem; max-width: 640px; margin: 0 auto; }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--secondary-light); }
        .feature-card .icon {
            width: 68px;
            height: 68px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--secondary);
        }
        .feature-card h3 { margin-bottom: 10px; }
        .feature-card p { font-size: 0.95rem; margin: 0; }

        /* ===== 分类卡片网格 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            background: var(--primary);
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover img { transform: scale(1.06); }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.15) 70%, transparent 100%);
            z-index: 1;
        }
        .category-card .info {
            position: relative;
            z-index: 2;
            padding: 20px 18px;
            width: 100%;
        }
        .category-card .info h3 { color: #fff; font-size: 1.1rem; margin-bottom: 4px; }
        .category-card .info p { color: rgba(255,255,255,0.7); font-size: 0.82rem; margin: 0; }
        .category-card .tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: var(--radius-xl);
            margin-bottom: 8px;
        }

        /* ===== 资讯列表（CMS） ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .news-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .news-card .thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--bg-alt);
        }
        .news-card .body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
        .news-card .body .tag {
            display: inline-block;
            background: var(--bg-alt);
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: var(--radius-xl);
            margin-bottom: 10px;
            align-self: flex-start;
            border: 1px solid var(--border);
        }
        .news-card .body h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--text); }
        .news-card .body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 12px; flex: 1; }
        .news-card .body .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .news-card .body .meta i { margin-right: 4px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            background: var(--bg-alt);
            border-radius: var(--radius);
            border: 2px dashed var(--border);
        }
        .news-empty i { font-size: 2.4rem; margin-bottom: 12px; color: var(--text-light); display: block; }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            position: relative;
            counter-increment: step;
        }
        .step-card::before {
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: var(--secondary);
            font-size: 1.2rem;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(11,26,48,0.2);
            z-index: 2;
        }
        .step-card .icon-wrap {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            color: var(--primary);
            border: 2px solid var(--border);
            transition: var(--transition);
        }
        .step-card:hover .icon-wrap { border-color: var(--secondary); color: var(--secondary); }
        .step-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
        .step-card p { font-size: 0.9rem; margin: 0; }

        /* ===== 排行榜 ===== */
        .rank-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .rank-item:hover { box-shadow: var(--shadow); transform: translateX(4px); }
        .rank-num {
            font-size: 1.3rem;
            font-weight: 800;
            width: 40px;
            text-align: center;
            color: var(--text-light);
        }
        .rank-num.gold { color: #f59e0b; }
        .rank-num.silver { color: #94a3b8; }
        .rank-num.bronze { color: #b45309; }
        .rank-item .info { flex: 1; }
        .rank-item .info h4 { font-size: 1rem; margin-bottom: 2px; }
        .rank-item .info p { font-size: 0.82rem; color: var(--text-light); margin: 0; }
        .rank-item .stats {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .rank-item .stats i { color: var(--secondary); margin-right: 4px; }
        .rank-item .badge {
            background: var(--bg-alt);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--bg);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--secondary-light); }
        .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            gap: 16px;
            color: var(--text);
            background: var(--bg);
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-q i { color: var(--secondary); transition: var(--transition); font-size: 1.1rem; }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-a { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 { color: #fff; font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-section .btn-cta {
            background: var(--secondary);
            color: var(--primary);
            padding: 16px 44px;
            border-radius: var(--radius-xl);
            font-weight: 800;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 28px rgba(245,158,11,0.35);
            transition: var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(245,158,11,0.5); color: var(--primary); }
        .cta-section .btn-cta i { font-size: 1.1rem; }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
        .footer-brand .footer-logo i { color: var(--secondary); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
        .footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-bottom: 10px; transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border: 2px solid rgba(255,255,255,0.1);
        }
        .back-top.visible { opacity: 1; visibility: visible; }
        .back-top:hover { transform: translateY(-4px); background: var(--secondary); color: var(--primary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 900px) {
            .nav-panel { display: none; }
            .nav-panel.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 8px);
                left: 24px;
                right: 24px;
                background: var(--bg);
                border-radius: var(--radius);
                padding: 12px;
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--border);
                gap: 4px;
            }
            .nav-panel.open a { padding: 12px 20px; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }
            .header-cta .btn-download span { display: none; }
            .header-cta .btn-download { padding: 10px 16px; }
            .hero { min-height: 70vh; }
            .hero-stats { gap: 24px; }
            .hero-stats .stat-num { font-size: 1.4rem; }
            .features-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
            .categories-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
        }

        @media (max-width: 640px) {
            .section { padding: 48px 0; }
            .hero .container { padding: 40px 20px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; justify-content: center; }
            .hero-stats { gap: 20px; flex-wrap: wrap; }
            .hero-stats .stat-item { flex: 1 1 40%; }
            .features-grid { grid-template-columns: 1fr; }
            .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .news-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .rank-item { flex-wrap: wrap; gap: 10px; }
            .rank-item .stats { width: 100%; justify-content: flex-start; }
            .back-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
            .nav-panel.open { left: 12px; right: 12px; }
        }

        @media (max-width: 420px) {
            .container { padding: 0 16px; }
            .categories-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .steps-grid { grid-template-columns: 1fr; }
            .header-logo { font-size: 1.1rem; }
            .header-logo i { font-size: 1.2rem; padding: 6px; }
        }

        /* ===== 辅助 ===== */
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .gap-8 { gap: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== CSS Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-section: #16213e;
            --bg-light: #1e2a4a;
            --text: #f1faee;
            --text-secondary: #a8dadc;
            --text-muted: #6c7a8a;
            --border: #2a3a5c;
            --border-light: #3a4a6c;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.2);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
            --max-width: 1240px;
            --header-h: 72px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            background-image: radial-gradient(ellipse at 10% 20%, rgba(230, 57, 70, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 90% 80%, rgba(69, 123, 157, 0.06) 0%, transparent 50%);
            min-height: 100vh;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: 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);
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text) !important;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .header-logo span {
            background: linear-gradient(135deg, #f1faee, #a8dadc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-card);
            padding: 4px 6px;
            border-radius: 50px;
            border: 1px solid var(--border);
        }
        .nav-panel a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-panel a i {
            font-size: 0.95rem;
        }
        .nav-panel a:hover {
            color: var(--text);
            background: var(--bg-light);
        }
        .nav-panel a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-download {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 26px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.45);
        }
        .btn-download i {
            font-size: 1rem;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
        }
        .nav-toggle:hover {
            background: var(--bg-light);
        }

        /* ===== Hero Banner (分类页) ===== */
        .category-hero {
            padding: 120px 0 72px;
            position: relative;
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(230, 57, 70, 0.15), transparent 60%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.3);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .category-hero .hero-badge i {
            font-size: 0.85rem;
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 900;
            background: linear-gradient(135deg, #f1faee, #a8dadc, #f1faee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .category-hero p {
            max-width: 680px;
            margin: 0 auto 28px;
            font-size: 1.1rem;
            color: var(--text-secondary);
            opacity: 0.9;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text);
            line-height: 1.2;
        }
        .hero-stats .stat-num span {
            color: var(--primary);
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 560px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .section-title .title-tag {
            display: inline-block;
            padding: 4px 18px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.2);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary-light));
            margin: 16px auto 20px;
        }

        /* ===== Filter / Sort Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 36px;
        }
        .filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 6px;
        }
        .filter-bar .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }
        .filter-bar .filter-tag {
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-bar .filter-tag:hover {
            background: var(--border);
            color: var(--text);
        }
        .filter-bar .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .filter-bar .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .filter-bar .filter-sort select {
            padding: 6px 14px;
            border-radius: 30px;
            background: var(--bg-light);
            color: var(--text);
            border: 1px solid var(--border);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
        }
        .filter-bar .filter-sort select:focus {
            border-color: var(--primary);
        }

        /* ===== Game Card Grid ===== */
        .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);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-hover);
        }
        .game-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--bg-light);
            transition: var(--transition);
        }
        .game-card:hover .card-img {
            transform: scale(1.02);
        }
        .game-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .game-card .card-tag {
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(69, 123, 157, 0.2);
            color: var(--secondary-light);
            border: 1px solid rgba(69, 123, 157, 0.2);
        }
        .game-card .card-tag.hot {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .game-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .game-card .card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }
        .game-card .card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .game-card .card-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
        }
        .game-card .card-rating i {
            font-size: 0.75rem;
        }
        .game-card .btn-card {
            padding: 6px 18px;
            border-radius: 30px;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            transition: var(--transition);
            border: none;
        }
        .game-card .btn-card:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* ===== Featured / 精选板块 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            min-height: 280px;
            display: flex;
            align-items: flex-end;
        }
        .featured-card:hover {
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-card .fc-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            transition: var(--transition);
        }
        .featured-card:hover .fc-bg {
            opacity: 0.45;
            transform: scale(1.04);
        }
        .featured-card .fc-overlay {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            background: linear-gradient(transparent, rgba(15, 15, 26, 0.92));
            width: 100%;
        }
        .featured-card .fc-tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .featured-card .fc-title {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .featured-card .fc-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .featured-card .fc-meta {
            display: flex;
            gap: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .featured-card .fc-meta i {
            margin-right: 4px;
        }

        /* ===== 排行榜 / Ranking ===== */
        .ranking-list {
            display: grid;
            gap: 12px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .ranking-item:hover {
            border-color: var(--secondary-light);
            background: var(--bg-light);
        }
        .ranking-item .rank-num {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 900;
            font-size: 1rem;
            background: var(--bg-light);
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .ranking-item:nth-child(1) .rank-num {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .ranking-item:nth-child(2) .rank-num {
            background: var(--secondary-light);
            color: #fff;
        }
        .ranking-item:nth-child(3) .rank-num {
            background: var(--accent);
            color: #fff;
        }
        .ranking-item .rank-info {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .ranking-item .rank-info .rank-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
        }
        .ranking-item .rank-info .rank-cat {
            font-size: 0.78rem;
            color: var(--text-muted);
            padding: 2px 12px;
            border-radius: 20px;
            background: var(--bg-light);
        }
        .ranking-item .rank-score {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        .ranking-item .rank-score small {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        /* ===== 分类标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tag-cloud .cloud-item {
            padding: 10px 24px;
            border-radius: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tag-cloud .cloud-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.25);
        }
        .tag-cloud .cloud-item i {
            font-size: 0.85rem;
        }
        .tag-cloud .cloud-item .count {
            background: rgba(255, 255, 255, 0.15);
            padding: 0 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .tag-cloud .cloud-item:hover .count {
            background: rgba(255, 255, 255, 0.2);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 0;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            list-style: none;
            border-radius: var(--radius-sm);
            transition: 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;
            margin-left: auto;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item summary:hover {
            background: var(--bg-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-section));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1.02rem;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.35);
            border: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.5);
        }
        .cta-section .btn-cta i {
            font-size: 1.1rem;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--text);
            background: var(--bg-light);
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .pagination .dots {
            border: none;
            background: none;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
        }
        .footer-logo i {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-panel {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                border-radius: 0;
                border: none;
                border-bottom: 1px solid var(--border);
                padding: 12px 16px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
                box-shadow: var(--shadow);
            }
            .nav-panel.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-panel a {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .btn-download span {
                display: none;
            }
            .btn-download {
                padding: 10px 14px;
            }
            .category-hero {
                padding: 100px 0 48px;
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }
            .hero-stats .stat-num {
                font-size: 1.3rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 16px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .filter-bar .filter-sort {
                margin-left: 0;
                width: 100%;
            }
            .filter-bar .filter-sort select {
                width: 100%;
            }
            .featured-card {
                min-height: 220px;
            }
            .featured-card .fc-overlay {
                padding: 20px 18px;
            }
            .ranking-item {
                flex-wrap: wrap;
                padding: 12px 14px;
            }
            .ranking-item .rank-score {
                margin-left: auto;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .tag-cloud .cloud-item {
                padding: 8px 18px;
                font-size: 0.82rem;
            }
            .faq-item summary {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .game-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stats .stat-item {
                min-width: 70px;
            }
            .hero-stats .stat-num {
                font-size: 1.1rem;
            }
            .filter-bar .filter-tags {
                gap: 6px;
            }
            .filter-bar .filter-tag {
                padding: 4px 14px;
                font-size: 0.75rem;
            }
            .ranking-item .rank-info {
                gap: 8px;
            }
            .ranking-item .rank-info .rank-cat {
                font-size: 0.7rem;
                padding: 1px 10px;
            }
            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
        }

/* roulang page: article */
/* ========== Design Variables ========== */
        :root {
            --primary: #0f1923;
            --primary-light: #1a2d3d;
            --primary-dark: #080e14;
            --accent: #f0b90b;
            --accent-hover: #d4a509;
            --accent-light: rgba(240, 185, 11, 0.12);
            --bg: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1923;
            --bg-section: #f0f2f5;
            --text: #1a2332;
            --text-secondary: #4a5568;
            --text-light: #7a8a9e;
            --text-inverse: #ffffff;
            --border: #e5e9f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(15, 25, 35, 0.06);
            --shadow: 0 4px 24px rgba(15, 25, 35, 0.10);
            --shadow-lg: 0 12px 48px rgba(15, 25, 35, 0.14);
            --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', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ========== 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;
        }

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

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

        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(--primary);
        }

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

        /* ========== Header / Navigation ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 25, 35, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: background var(--transition);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-inverse);
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .header-logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .header-logo span {
            background: linear-gradient(135deg, #ffffff, #c0c8d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover span {
            background: linear-gradient(135deg, var(--accent), #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover {
            color: var(--text-inverse);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-panel a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
        }
        .nav-panel a i {
            font-size: 14px;
            color: var(--accent);
            opacity: 0.6;
            transition: opacity var(--transition);
        }
        .nav-panel a:hover {
            color: var(--text-inverse);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-panel a:hover i {
            opacity: 1;
        }
        .nav-panel a.active {
            color: var(--text-inverse);
            background: rgba(240, 185, 11, 0.15);
        }
        .nav-panel a.active i {
            opacity: 1;
            color: var(--accent);
        }
        .nav-panel a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-download {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--accent), #d4a509);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.30);
        }
        .btn-download i {
            font-size: 16px;
        }
        .btn-download:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(240, 185, 11, 0.40);
            color: var(--primary);
        }
        .btn-download:active {
            transform: translateY(0) scale(0.98);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-inverse);
            font-size: 20px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ========== Page Banner (Article Hero) ========== */
        .page-banner {
            padding-top: var(--header-height);
            min-height: 320px;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, 0.88) 0%, rgba(15, 25, 35, 0.72) 60%, rgba(15, 25, 35, 0.50) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        .page-title {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            color: var(--text-inverse);
            line-height: 1.2;
            max-width: 860px;
            letter-spacing: -0.5px;
        }

        .page-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            margin-top: 18px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .page-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .page-meta .meta-item i {
            color: var(--accent);
            opacity: 0.7;
            font-size: 14px;
        }
        .page-meta .category-badge {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 20px;
            background: var(--accent);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        /* ========== Main Content ========== */
        .main-content {
            padding: 50px 0 60px;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .content-article {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .content-article .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .content-article .article-body p {
            margin-bottom: 1.2em;
        }
        .content-article .article-body h2,
        .content-article .article-body h3,
        .content-article .article-body h4 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--primary);
        }
        .content-article .article-body h2 {
            font-size: 24px;
        }
        .content-article .article-body h3 {
            font-size: 20px;
        }
        .content-article .article-body img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .content-article .article-body ul,
        .content-article .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
        }
        .content-article .article-body li {
            margin-bottom: 0.4em;
        }
        .content-article .article-body ul li {
            list-style: disc;
        }
        .content-article .article-body ol li {
            list-style: decimal;
        }
        .content-article .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2em 0;
            background: var(--accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .content-article .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .content-article .article-body a:hover {
            color: var(--accent-hover);
        }
        .content-article .article-body code {
            background: var(--bg-section);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--primary);
        }
        .content-article .article-body pre {
            background: var(--primary);
            color: #e8e8e8;
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.2em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .content-article .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }

        /* Article not found */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box i {
            font-size: 56px;
            color: var(--border);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius);
            background: var(--primary);
            color: var(--text-inverse);
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-light);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        /* Tags */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
            margin-right: 4px;
        }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--accent);
            color: var(--primary);
        }

        /* Share */
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share .share-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
        }
        .article-share .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-section);
            color: var(--text-secondary);
            font-size: 16px;
            transition: all var(--transition);
        }
        .article-share .share-btn:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.30);
        }

        /* ========== Sidebar ========== */
        .content-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }

        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--accent);
        }
        .sidebar-list .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-section);
        }
        .sidebar-list .info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-list .info .title {
            font-weight: 600;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-list .info .date {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            color: var(--text-inverse);
        }
        .sidebar-cta-box h4 {
            color: var(--text-inverse);
            font-size: 18px;
            margin-bottom: 8px;
        }
        .sidebar-cta-box p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
        }
        .sidebar-cta-box .btn-sidebar-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius);
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }
        .sidebar-cta-box .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(240, 185, 11, 0.35);
            color: var(--primary);
        }

        /* ========== Related Posts Section ========== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .related-section .section-title {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 32px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i {
            color: var(--accent);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body .cat {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 16px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 11px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-card .card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 13px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .related-card .card-body .date {
            font-size: 12px;
            color: var(--text-light);
        }
        .related-card .card-body .date i {
            margin-right: 4px;
            font-size: 11px;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 60px 0;
            background: var(--primary-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 25, 35, 0.82);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(24px, 3.2vw, 38px);
            color: var(--text-inverse);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--accent), #d4a509);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(240, 185, 11, 0.30);
        }
        .cta-section .btn-cta-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 10px 36px rgba(240, 185, 11, 0.40);
            color: var(--primary);
        }
        .cta-section .btn-cta-primary i {
            font-size: 18px;
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-inverse);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 340px;
        }
        .footer .footer-col h4 {
            color: var(--text-inverse);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer .footer-col a:hover {
            color: var(--accent);
        }
        .footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 25, 35, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 2px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                pointer-events: none;
            }
            .nav-panel.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-panel a {
                padding: 12px 16px;
                font-size: 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-panel a.active::after {
                display: none;
            }
            .nav-panel a.active {
                background: rgba(240, 185, 11, 0.12);
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta .btn-download span {
                display: none;
            }
            .header-cta .btn-download {
                padding: 10px 16px;
            }

            .page-banner {
                min-height: 240px;
            }
            .page-title {
                font-size: 24px;
            }
            .page-meta {
                font-size: 13px;
                gap: 12px 16px;
            }

            .content-article {
                padding: 24px 20px;
            }
            .content-article .article-body {
                font-size: 15px;
            }

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

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

            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner {
                min-height: 200px;
            }
            .page-title {
                font-size: 20px;
            }
            .content-article {
                padding: 18px 14px;
                border-radius: var(--radius);
            }
            .related-card .card-img {
                height: 140px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section .btn-cta-primary {
                padding: 12px 28px;
                font-size: 14px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
        }

        /* ========== Utility ========== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }