/* roulang page: index */
:root {
            --primary: #E8790A;
            --primary-hover: #C96B0A;
            --primary-focus: #A85A08;
            --secondary: #2A2320;
            --background: #FBF8F4;
            --surface: #FFFFFF;
            --text-main: #2D2A26;
            --text-light: #6B645E;
            --border: #E8E0D8;
            --accent: #7A3050;
            --success: #4E7A3A;
            --warning: #D08A3A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(42,35,32,0.06);
            --shadow-md: 0 4px 12px rgba(42,35,32,0.08);
            --shadow-lg: 0 12px 32px rgba(42,35,32,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
            --transition: 0.18s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); line-height: 1.6; color: var(--text-main); background: var(--background); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; border: none; outline: none; background: none; }
        button { cursor: pointer; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        @media (min-width: 1400px) { .container { max-width: 1320px; } }
        @media (max-width: 768px) { .container { padding-left: 16px; padding-right: 16px; } }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); height: 68px; display: flex; align-items: center; }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: var(--secondary); }
        .logo .logo-icon { width: 32px; height: 32px; border-radius: var(--radius-sm); background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
        .logo:hover { color: var(--primary); }
        .main-nav { display: flex; align-items: center; gap: 28px; }
        .main-nav a { font-size: 0.925rem; color: var(--text-main); position: relative; padding-bottom: 4px; font-weight: 500; }
        .main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: width var(--transition); border-radius: 2px; }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after { width: 100%; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
        .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.25s ease; transform-origin: center; }
        .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0; background: var(--surface); z-index: 999; padding: 16px 24px; flex-direction: column; gap: 0; overflow-y: auto; }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; font-weight: 500; color: var(--text-main); }
        .mobile-menu a:hover { color: var(--primary); }

        /* Section Base */
        main { display: block; }
        .section { padding: 64px 0; }
        .section-alt { background: var(--surface); }
        .section-plain { background: var(--background); }
        @media (max-width: 1024px) { .section { padding: 48px 0; } }
        @media (max-width: 768px) { .section { padding: 40px 0; } }
        @media (max-width: 480px) { .section { padding: 32px 0; } }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--secondary); margin-bottom: 8px; position: relative; padding-left: 16px; line-height: 1.3; }
        .section-title::before { content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 28px; background: var(--primary); border-radius: 2px; }
        .section-subtitle { font-size: 1rem; color: var(--text-light); margin-bottom: 40px; max-width: 660px; line-height: 1.7; }
        .section-header { margin-bottom: 32px; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 24px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 600; transition: all var(--transition); white-space: nowrap; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(232,121,10,0.25); }
        .btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 16px rgba(232,121,10,0.35); transform: translateY(-1px); }
        .btn-primary:active { transform: scale(0.98); box-shadow: 0 1px 4px rgba(232,121,10,0.2); }
        .btn-primary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-secondary:hover { background: rgba(232,121,10,0.05); border-color: var(--primary-hover); color: var(--primary-hover); }
        .btn-secondary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-danger { background: #A03A3A; color: #fff; }
        .btn-danger:hover { background: #8A2E2E; }
        .btn-danger:focus-visible { outline: 2px solid rgba(160,58,58,0.4); outline-offset: 2px; }
        .btn-lg { padding: 14px 36px; font-size: 1.05rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 6px 14px; font-size: 0.85rem; }

        /* Badge */
        .badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 500; line-height: 1.6; }
        .badge-category { background: #F0EBE5; color: var(--text-main); }
        .badge-version { background: var(--secondary); color: #fff; font-family: var(--font-mono); font-size: 0.72rem; }
        .badge-hot { background: var(--primary); color: #fff; }
        .badge-safe { background: var(--success); color: #fff; }

        /* Cards */
        .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: all var(--transition); overflow: hidden; }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .card-body { padding: 20px; }
        .card-title { font-size: 1.125rem; font-weight: 600; color: var(--text-main); margin-bottom: 8px; line-height: 1.4; }
        .card-text { font-size: 0.875rem; color: var(--text-light); line-height: 1.7; margin-bottom: 12px; }
        .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #EDE6DE; }

        /* Hero */
        .hero { position: relative; overflow: hidden; background: var(--background); padding: 72px 0 80px; }
        .hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
        .hero-bg-glow { position: absolute; top: 20px; right: -80px; width: 420px; height: 420px; background: radial-gradient(circle, rgba(232,121,10,0.12) 0%, rgba(232,121,10,0) 70%); border-radius: 50%; pointer-events: none; }
        .hero-bg-glow-second { position: absolute; bottom: 30px; left: -60px; width: 280px; height: 280px; background: radial-gradient(circle, rgba(122,48,80,0.07) 0%, rgba(122,48,80,0) 70%); border-radius: 50%; pointer-events: none; }
        .hero h1 { font-size: 2.75rem; font-weight: 700; line-height: 1.25; color: var(--secondary); margin-bottom: 20px; letter-spacing: -0.01em; }
        .hero h1 .highlight { color: var(--primary); }
        .hero-subtitle { font-size: 1.125rem; color: var(--text-light); line-height: 1.75; margin-bottom: 32px; max-width: 520px; }
        .hero-search { display: flex; gap: 12px; max-width: 520px; }
        .hero-search input { flex: 1; padding: 14px 20px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); font-size: 0.95rem; color: var(--text-main); box-shadow: var(--shadow-sm); transition: all var(--transition); }
        .hero-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,121,10,0.12); }
        .hero-search input::placeholder { color: #A89D92; }
        .hero-visual { position: relative; }
        .hero-visual img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
        .hero-visual .hero-badge { position: absolute; bottom: 16px; left: 16px; background: rgba(42,35,32,0.85); color: #fff; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 500; backdrop-filter: blur(6px); }
        @media (max-width: 1024px) {
            .hero .container { grid-template-columns: 1fr; gap: 40px; }
            .hero h1 { font-size: 2.25rem; }
            .hero-visual img { max-width: 560px; margin: 0 auto; }
        }
        @media (max-width: 768px) {
            .hero { padding: 48px 0 56px; }
            .hero h1 { font-size: 1.75rem; }
            .hero-subtitle { font-size: 1rem; }
            .hero-search { flex-direction: column; }
            .hero-search .btn { width: 100%; }
            .hero-visual img { aspect-ratio: 4/3; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.5rem; }
        }

        /* Category Grid */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .category-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px 24px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--transition); display: block; }
        .category-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(232,121,10,0.4); }
        .category-card .cat-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: var(--radius-md); background: rgba(232,121,10,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
        .category-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--secondary); margin-bottom: 6px; }
        .category-card p { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; }
        @media (max-width: 1024px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .category-grid { grid-template-columns: 1fr; } }

        /* Ranking List */
        .ranking-list { display: flex; flex-direction: column; gap: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
        .ranking-item { display: flex; align-items: center; gap: 16px; padding: 16px 24px; border-bottom: 1px dashed #E8E0D8; transition: background var(--transition); }
        .ranking-item:last-child { border-bottom: none; }
        .ranking-item:hover { background: rgba(232,121,10,0.04); }
        .ranking-num { font-size: 1.6rem; font-weight: 700; color: #C5BDB4; width: 48px; text-align: center; flex-shrink: 0; font-family: var(--font-mono); }
        .ranking-info { flex: 1; min-width: 0; }
        .ranking-info h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .ranking-info .ranking-meta { display: flex; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
        .ranking-item .btn-sm { flex-shrink: 0; }
        @media (max-width: 600px) {
            .ranking-item { padding: 12px 16px; flex-wrap: wrap; }
            .ranking-num { width: 36px; font-size: 1.3rem; }
            .ranking-info h4 { white-space: normal; }
        }

        /* CMS Cards */
        .cms-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .cms-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); display: flex; flex-direction: column; }
        .cms-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .cms-card .card-img { aspect-ratio: 16/10; object-fit: cover; background: #EDE6DE; }
        .cms-card .card-body { flex: 1; display: flex; flex-direction: column; }
        .cms-card .card-text { flex: 1; }
        .cms-card .cms-time { font-size: 0.75rem; color: #A89D92; font-family: var(--font-mono); }
        .cms-empty { text-align: center; padding: 60px 20px; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius-md); color: var(--text-light); }
        .cms-empty .cms-empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
        @media (max-width: 1024px) { .cms-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .cms-grid { grid-template-columns: 1fr; } }

        /* Editor Picks */
        .editor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .editor-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); display: flex; flex-direction: column; }
        .editor-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .editor-card .card-img { aspect-ratio: 16/10; object-fit: cover; background: #EDE6DE; }
        .editor-card .card-body { flex: 1; display: flex; flex-direction: column; }
        .editor-card .card-text { flex: 1; }
        @media (max-width: 1024px) { .editor-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .editor-grid { grid-template-columns: 1fr; } }

        /* Topic Banners */
        .topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .topic-banner { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 220px; display: flex; align-items: flex-end; box-shadow: var(--shadow-md); transition: all var(--transition); }
        .topic-banner:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
        .topic-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
        .topic-banner .topic-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(42,35,32,0.85) 0%, rgba(42,35,32,0.3) 50%, rgba(42,35,32,0.05) 100%); }
        .topic-banner .topic-content { position: relative; z-index: 2; padding: 28px 32px; color: #fff; }
        .topic-banner .topic-content h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
        .topic-banner .topic-content p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 16px; line-height: 1.6; }
        .topic-banner .btn { background: #fff; color: var(--secondary); }
        .topic-banner .btn:hover { background: var(--primary); color: #fff; }
        @media (max-width: 768px) { .topic-grid { grid-template-columns: 1fr; } }

        /* Stats */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item { text-align: center; padding: 32px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .stat-value { font-size: 2.5rem; font-weight: 700; color: var(--primary); font-family: var(--font-mono); line-height: 1.2; }
        .stat-label { font-size: 0.9rem; color: var(--text-light); margin-top: 8px; }
        @media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } .stat-value { font-size: 2rem; } }

        /* Features */
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 32px 28px; box-shadow: var(--shadow-sm); transition: all var(--transition); text-align: center; }
        .feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .feature-icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: rgba(232,121,10,0.08); display: flex; align-items: center; justify-content: center; font-size: 2rem; }
        .feature-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: 10px; }
        .feature-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
        @media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } }

        /* Tutorial */
        .tutorial-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .tutorial-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
        .tutorial-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }
        .tutorial-content h3 { font-size: 1.5rem; font-weight: 700; color: var(--secondary); margin-bottom: 16px; }
        .tutorial-content p { font-size: 0.95rem; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
        @media (max-width: 768px) { .tutorial-wrap { grid-template-columns: 1fr; gap: 24px; } }

        /* Reviews */
        .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .review-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); }
        .review-stars { color: var(--primary); font-size: 1.1rem; margin-bottom: 12px; letter-spacing: 2px; }
        .review-text { font-size: 0.9rem; color: var(--text-main); line-height: 1.7; margin-bottom: 16px; }
        .review-user { font-size: 0.85rem; color: var(--text-light); font-weight: 500; }
        @media (max-width: 1024px) { .review-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .review-grid { grid-template-columns: 1fr; } }

        /* FAQ */
        .faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
        .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); }
        .faq-item summary { padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 0.95rem; color: var(--secondary); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--primary); flex-shrink: 0; transition: transform var(--transition); }
        .faq-item[open] summary::after { transform: rotate(45deg); }
        .faq-answer { padding: 0 24px 20px; font-size: 0.9rem; color: var(--text-light); line-height: 1.75; }
        .faq-item:hover { border-color: rgba(232,121,10,0.35); box-shadow: var(--shadow-sm); }

        /* Safety */
        .safety-wrap { display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: start; }
        .safety-icon { width: 80px; height: 80px; border-radius: var(--radius-lg); background: rgba(232,121,10,0.08); display: flex; align-items: center; justify-content: center; font-size: 2.8rem; flex-shrink: 0; }
        .safety-content h3 { font-size: 1.4rem; font-weight: 700; color: var(--secondary); margin-bottom: 12px; }
        .safety-content p { font-size: 0.95rem; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
        .safety-points { list-style: none; display: flex; flex-direction: column; gap: 8px; }
        .safety-points li { font-size: 0.9rem; color: var(--text-main); padding-left: 20px; position: relative; }
        .safety-points li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }
        @media (max-width: 600px) { .safety-wrap { grid-template-columns: 1fr; } .safety-icon { width: 60px; height: 60px; font-size: 2rem; } }

        /* CTA */
        .cta-section { background: var(--secondary); color: #fff; }
        .cta-section .section-title { color: #fff; }
        .cta-section .section-title::before { background: var(--primary); }
        .cta-content { text-align: center; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
        .cta-content p { font-size: 1.05rem; opacity: 0.85; margin-bottom: 32px; line-height: 1.7; }
        .cta-content .btn { background: var(--primary); color: #fff; font-size: 1.05rem; padding: 14px 40px; }
        .cta-content .btn:hover { background: var(--primary-hover); }

        /* Subscribe */
        .subscribe-wrap { text-align: center; }
        .subscribe-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
        .subscribe-form input { flex: 1; padding: 14px 20px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); font-size: 0.95rem; color: var(--text-main); box-shadow: var(--shadow-sm); transition: all var(--transition); }
        .subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,121,10,0.12); }
        .subscribe-form input::placeholder { color: #A89D92; }
        .subscribe-note { font-size: 0.8rem; color: var(--text-light); margin-top: 12px; }
        @media (max-width: 600px) { .subscribe-form { flex-direction: column; } .subscribe-form .btn { width: 100%; } }

        /* Partners */
        .partners-bar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: center; }
        .partner-placeholder { width: 140px; height: 60px; background: #F0EBE5; border: 1px solid var(--border); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: #A89D92; }
        @media (max-width: 768px) { .partner-placeholder { width: 110px; height: 48px; } }

        /* Footer */
        .site-footer { background: var(--secondary); color: rgba(255,255,255,0.82); padding: 56px 0 24px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { color: #fff; margin-bottom: 12px; }
        .footer-brand .logo .logo-icon { background: var(--primary); }
        .footer-brand p { font-size: 0.85rem; line-height: 1.7; opacity: 0.7; max-width: 300px; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-col a { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 10px; transition: color var(--transition); }
        .footer-col a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; text-align: center; font-size: 0.8rem; opacity: 0.6; }
        @media (max-width: 1024px) { .site-footer .footer-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; } }

        /* Status colors */
        .text-accent { color: var(--accent); }
        .text-primary { color: var(--primary); }
        .text-success { color: var(--success); }
        .text-warning { color: var(--warning); }

/* roulang page: category1 */
:root {
            --primary: #E8790A;
            --primary-hover: #C96B0A;
            --primary-focus: #A85A08;
            --secondary: #2A2320;
            --background: #FBF8F4;
            --surface: #FFFFFF;
            --text-main: #2D2A26;
            --text-light: #6B645E;
            --border: #E8E0D8;
            --accent: #7A3050;
            --success: #4E7A3A;
            --warning: #D08A3A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(42,35,32,0.06);
            --shadow-md: 0 4px 12px rgba(42,35,32,0.08);
            --shadow-lg: 0 12px 32px rgba(42,35,32,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
            --transition: 0.18s ease;
        }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); line-height: 1.6; color: var(--text-main); background: var(--background); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; border: none; outline: none; background: none; }
        button { cursor: pointer; }
        .container { max-width: 1320px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); height: 68px; display: flex; align-items: center; }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: var(--secondary); }
        .logo .logo-icon { width: 32px; height: 32px; border-radius: var(--radius-sm); background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
        .logo:hover { color: var(--primary); }
        .main-nav { display: flex; align-items: center; gap: 28px; }
        .main-nav a { font-size: 0.925rem; color: var(--text-main); position: relative; padding-bottom: 4px; font-weight: 500; }
        .main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: width var(--transition); border-radius: 2px; }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after { width: 100%; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
        .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.25s ease; transform-origin: center; }
        .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0; background: var(--surface); z-index: 999; padding: 16px 24px; flex-direction: column; gap: 0; overflow-y: auto; }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; font-weight: 500; color: var(--text-main); }
        .mobile-menu a:hover { color: var(--primary); }

        /* Section Base */
        main { display: block; }
        .section { padding: 56px 0; }
        .section-alt { background: var(--surface); }
        .section-plain { background: var(--background); }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--secondary); margin-bottom: 8px; position: relative; padding-left: 16px; line-height: 1.3; }
        .section-title::before { content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 28px; background: var(--primary); border-radius: 2px; }
        .section-subtitle { font-size: 1rem; color: var(--text-light); margin-bottom: 32px; max-width: 680px; line-height: 1.7; }
        .section-header { margin-bottom: 32px; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 24px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 600; transition: all var(--transition); white-space: nowrap; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(232,121,10,0.25); }
        .btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 16px rgba(232,121,10,0.35); transform: translateY(-1px); color: #fff; }
        .btn-primary:active { transform: scale(0.98); box-shadow: 0 1px 4px rgba(232,121,10,0.2); }
        .btn-primary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-secondary:hover { background: rgba(232,121,10,0.05); border-color: var(--primary-hover); color: var(--primary-hover); }
        .btn-secondary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-lg { padding: 14px 34px; font-size: 1.05rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 6px 14px; font-size: 0.85rem; }

        /* Badge */
        .badge { display: inline-block; padding: 4px 10px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; line-height: 1.6; }
        .badge-category { background: #F5EDE5; color: var(--text-main); }
        .badge-version { font-family: var(--font-mono); background: var(--secondary); color: #fff; font-size: 0.7rem; }
        .badge-hot { background: var(--primary); color: #fff; }
        .badge-safe { background: var(--success); color: #fff; }

        /* Breadcrumb */
        .breadcrumb-section { padding: 32px 0 8px; background: var(--surface); border-bottom: 1px solid var(--border); }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .separator { color: #CBC3BB; }
        .breadcrumb .current { color: var(--secondary); font-weight: 500; }

        /* Category H1 section */
        .cat-hero { padding: 24px 0 32px; background: var(--surface); }
        .cat-hero h1 { font-size: 2.6rem; font-weight: 700; color: var(--secondary); margin-bottom: 10px; line-height: 1.25; }
        .cat-hero .cat-desc { font-size: 1rem; color: var(--text-light); max-width: 720px; line-height: 1.7; margin-bottom: 0; }

        /* Stats bar */
        .stats-bar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 28px; margin-top: 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; box-shadow: var(--shadow-sm); }
        .stat-item { text-align: center; }
        .stat-number { font-size: 1.8rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
        .stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

        /* Resource list */
        .resource-list { display: flex; flex-direction: column; gap: 14px; }
        .resource-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; box-shadow: var(--shadow-sm); transition: all var(--transition); }
        .resource-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: #E0CDBB; background: rgba(232,121,10,0.02); }
        .resource-info { flex: 1; min-width: 0; }
        .resource-info h3 { font-size: 1.05rem; font-weight: 600; color: var(--secondary); margin-bottom: 4px; line-height: 1.4; }
        .resource-info h3 a { color: var(--secondary); }
        .resource-info h3 a:hover { color: var(--primary); }
        .resource-summary { font-size: 0.88rem; color: var(--text-light); margin-bottom: 8px; line-height: 1.6; }
        .resource-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
        .resource-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #CBC3BB; }
        .resource-meta span { font-size: 0.78rem; color: var(--text-light); }
        .resource-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .resource-actions .btn { white-space: nowrap; }

        /* Topic cards */
        .topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .topic-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); }
        .topic-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .topic-card .topic-img { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #F5EDE5; }
        .topic-card .topic-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
        .topic-card:hover .topic-img img { transform: scale(1.05); }
        .topic-card .topic-body { padding: 20px; }
        .topic-card .topic-body h3 { font-size: 1.05rem; font-weight: 600; color: var(--secondary); margin-bottom: 8px; line-height: 1.4; }
        .topic-card .topic-body p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.6; }
        .topic-card .btn { font-size: 0.85rem; }

        /* FAQ */
        .faq-list { max-width: 760px; }
        .faq-item { border-bottom: 1px solid var(--border); }
        .faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 4px; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--secondary); background: none; border: none; text-align: left; transition: color var(--transition); }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon { font-size: 1.4rem; font-weight: 300; flex-shrink: 0; transition: transform var(--transition); }
        .faq-question.open .faq-icon { transform: rotate(45deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
        .faq-answer.open { max-height: 200px; padding: 0 4px 16px; }

        /* CTA block */
        .cta-block { background: var(--secondary); border-radius: var(--radius-lg); padding: 40px 36px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
        .cta-block h2 { color: #fff; font-size: 1.5rem; font-weight: 700; margin-bottom: 6px; }
        .cta-block p { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 0; }
        .cta-block .btn-primary { background: var(--primary); }
        .cta-block .btn-primary:hover { background: var(--primary-hover); }

        /* Bottom links */
        .links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
        .links-grid a { display: block; padding: 14px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--text-main); transition: all var(--transition); }
        .links-grid a:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-sm); transform: translateX(3px); }

        /* Footer */
        .site-footer { background: var(--secondary); color: rgba(255,255,255,0.8); padding: 56px 0 28px; margin-top: 0; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
        .site-footer .footer-brand .logo { color: #fff; font-size: 1.15rem; margin-bottom: 12px; }
        .site-footer .footer-brand .logo:hover { color: var(--primary); }
        .site-footer .footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.65); margin-bottom: 0; }
        .site-footer .footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 14px; }
        .site-footer .footer-col a { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 8px; transition: color var(--transition); }
        .site-footer .footer-col a:hover { color: var(--primary); }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); }

        /* Image placeholder */
        .img-placeholder { width: 100%; aspect-ratio: 16/9; background: #F5EDE5; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: #B8A99A; font-size: 0.85rem; }

        /* Responsive */
        @media (max-width: 1024px) {
            .container { max-width: 100%; padding-left: 20px; padding-right: 20px; }
            .topic-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-bar { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .nav-toggle { display: flex; }
            .resource-item { flex-direction: column; align-items: flex-start; }
            .resource-actions { width: 100%; justify-content: flex-end; }
            .topic-grid { grid-template-columns: 1fr; }
            .cta-block { flex-direction: column; text-align: center; }
            .cta-block .btn { width: 100%; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .cat-hero h1 { font-size: 2rem; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 14px; padding-right: 14px; }
            .cat-hero h1 { font-size: 1.6rem; }
            .stats-bar { grid-template-columns: 1fr 1fr; padding: 16px; }
            .stat-number { font-size: 1.4rem; }
            .resource-item { padding: 14px 16px; }
            .resource-info h3 { font-size: 0.95rem; }
            .btn-lg { padding: 10px 24px; font-size: 0.95rem; }
            .breadcrumb-section { padding: 20px 0 4px; }
            .faq-question { font-size: 0.9rem; }
        }

/* roulang page: article */
:root {
            --primary: #E8790A;
            --primary-hover: #C96B0A;
            --primary-focus: #A85A08;
            --secondary: #2A2320;
            --background: #FBF8F4;
            --surface: #FFFFFF;
            --text-main: #2D2A26;
            --text-light: #6B645E;
            --border: #E8E0D8;
            --accent: #7A3050;
            --success: #4E7A3A;
            --warning: #D08A3A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(42,35,32,0.06);
            --shadow-md: 0 4px 12px rgba(42,35,32,0.08);
            --shadow-lg: 0 12px 32px rgba(42,35,32,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
            --transition: 0.18s ease;
        }

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

        html { scroll-behavior: smooth; }

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

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

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

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

        button { cursor: pointer; }

        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
        }

        .logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 0.925rem;
            color: var(--text-main);
            position: relative;
            padding-bottom: 4px;
            font-weight: 500;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
            border-radius: 2px;
        }

        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after { width: 100%; }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all 0.25s ease;
            transform-origin: center;
        }

        .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 0;
            overflow-y: auto;
        }

        .mobile-menu.open { display: flex; }

        .mobile-menu a {
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-main);
        }

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

        /* ===== Main / Section Base ===== */
        main { display: block; }

        .section { padding: 64px 0; }
        .section-alt { background: var(--surface); }
        .section-plain { background: var(--background); }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
            line-height: 1.3;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 660px;
            line-height: 1.7;
        }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(232,121,10,0.25);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 16px rgba(232,121,10,0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 1px 4px rgba(232,121,10,0.2);
        }

        .btn-primary:focus-visible {
            outline: 2px solid rgba(232,121,10,0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: rgba(232,121,10,0.05);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid rgba(232,121,10,0.35);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 0.85rem;
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            line-height: 1.5;
        }

        .badge-primary { background: var(--primary); color: #fff; }
        .badge-secondary { background: var(--secondary); color: #fff; font-family: var(--font-mono); }
        .badge-soft { background: #F3E9E2; color: var(--text-light); }
        .badge-success { background: #E5F0DD; color: var(--success); }
        .badge-accent { background: #F6E8EF; color: var(--accent); }

        /* ===== Article Page Specific ===== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-light);
            margin-bottom: 20px;
            padding: 8px 0;
        }

        .breadcrumb-nav a {
            color: var(--text-main);
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover { color: var(--primary); }
        .breadcrumb-nav .sep { color: #C0B8B0; }
        .breadcrumb-nav .current {
            color: var(--text-light);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-head {
            padding: 32px 0 24px;
            border-bottom: 2px solid var(--border);
        }

        .article-h1 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.875rem;
            color: var(--text-light);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-icon {
            width: 18px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .article-meta a {
            color: var(--primary);
            font-weight: 500;
        }

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

        .article-cover {
            margin: 24px 0 8px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/8;
            object-fit: cover;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-main);
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 32px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--secondary);
            margin: 24px 0 12px;
            line-height: 1.4;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body pre {
            background: #1E1A18;
            color: #E8E0D8;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 20px 0;
        }

        .article-body code {
            font-family: var(--font-mono);
            font-size: 0.9em;
            background: #F3E9E2;
            padding: 2px 6px;
            border-radius: 4px;
            color: var(--accent);
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .article-body blockquote {
            border-left: 4px solid var(--warning);
            background: #FDF6ED;
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #5A4A3A;
        }

        .article-body ul, .article-body ol {
            margin: 16px 0 16px 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: #FBF5F0;
            font-weight: 600;
            color: var(--secondary);
        }

        /* Download CTA */
        .download-cta-box {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }

        .download-cta-box .cta-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .download-cta-box .cta-text p {
            font-size: 0.95rem;
            color: #D5CEC8;
            max-width: 500px;
            margin: 0;
        }

        .download-cta-box .btn-primary {
            background: var(--primary);
            color: #fff;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 16px rgba(232,121,10,0.4);
        }

        .download-cta-box .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,121,10,0.5);
        }

        /* Related posts */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D5C8BC;
        }

        .related-card .card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--secondary);
            line-height: 1.4;
        }

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

        .related-card .card-summary {
            font-size: 0.8rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: hidden;
            overflow: hidden;
        }

        .related-card .card-meta {
            font-size: 0.75rem;
            color: #B0A89F;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Prev / Next */
        .prev-next-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .prev-next-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .prev-next-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D5C8BC;
        }

        .prev-next-card .pn-arrow {
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .prev-next-card .pn-label {
            font-size: 0.75rem;
            color: #B0A89F;
            margin-bottom: 4px;
        }

        .prev-next-card .pn-title {
            font-size: 0.925rem;
            font-weight: 600;
            color: var(--secondary);
            line-height: 1.4;
            transition: color var(--transition);
        }

        .prev-next-card:hover .pn-title { color: var(--primary); }

        /* Comments */
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comment-form input,
        .comment-form textarea {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232,121,10,0.12);
        }

        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .comment-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #F3E9E2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .comment-content {
            flex: 1;
        }

        .comment-content .comment-author {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .comment-content .comment-text {
            font-size: 0.9rem;
            color: var(--text-main);
            line-height: 1.7;
        }

        .comment-content .comment-time {
            font-size: 0.75rem;
            color: #B0A89F;
            margin-top: 4px;
        }

        /* Subscribe */
        .subscribe-box {
            background: #FDF6ED;
            border: 1px solid #F0D9C0;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
        }

        .subscribe-box h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .subscribe-box p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 22px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            color: var(--text-main);
            flex: 1 1 280px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232,121,10,0.12);
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
        }

        .empty-state .empty-icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: #D5CEC8;
            padding: 48px 0 20px;
            font-size: 0.875rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
            color: #B8B0A8;
        }

        .site-footer .footer-brand .logo {
            font-size: 1.1rem;
        }

        .site-footer .footer-brand .logo .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.85rem;
        }

        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-col a {
            color: #B8B0A8;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 16px;
            font-size: 0.8rem;
            color: #8A847E;
            text-align: center;
        }

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

        @media (max-width: 768px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .section { padding: 40px 0; }

            .main-nav { display: none; }
            .nav-toggle { display: flex; }

            .article-h1 { font-size: 1.6rem; }
            .article-meta { gap: 8px 16px; flex-wrap: wrap; }
            .article-body { font-size: 0.95rem; line-height: 1.8; }
            .article-body h2 { font-size: 1.25rem; }
            .article-body h3 { font-size: 1.1rem; }

            .prev-next-grid { grid-template-columns: 1fr; }

            .download-cta-box {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }

            .download-cta-box .cta-text p { margin: 0 auto; }

            .comment-item { flex-wrap: wrap; }
            .comment-avatar { width: 32px; height: 32px; font-size: 0.85rem; }

            .subscribe-box { padding: 24px 18px; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        @media (max-width: 520px) {
            .article-h1 { font-size: 1.35rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-meta { font-size: 0.75rem; gap: 6px 12px; }
            .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
            .section { padding: 32px 0; }
            .breadcrumb-nav { font-size: 0.78rem; }
            .breadcrumb-nav .current { max-width: 160px; }
        }

/* roulang page: category2 */
:root {
            --primary: #E8790A;
            --primary-hover: #C96B0A;
            --primary-focus: #A85A08;
            --secondary: #2A2320;
            --background: #FBF8F4;
            --surface: #FFFFFF;
            --text-main: #2D2A26;
            --text-light: #6B645E;
            --border: #E8E0D8;
            --accent: #7A3050;
            --success: #4E7A3A;
            --warning: #D08A3A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(42,35,32,0.06);
            --shadow-md: 0 4px 12px rgba(42,35,32,0.08);
            --shadow-lg: 0 12px 32px rgba(42,35,32,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
            --transition: 0.18s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text-main);
            background: var(--background);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
        }
        .logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 0.925rem;
            color: var(--text-main);
            position: relative;
            padding-bottom: 4px;
            font-weight: 500;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all 0.25s ease;
            transform-origin: center;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 0;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-main);
        }
        .mobile-menu a:hover {
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 700;
        }
        /* Section Base */
        main {
            display: block;
        }
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-plain {
            background: var(--background);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
            line-height: 1.3;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 660px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 32px;
        }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(232, 121, 10, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 16px rgba(232, 121, 10, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 1px 4px rgba(232, 121, 10, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(232, 121, 10, 0.35);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(232, 121, 10, 0.05);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid rgba(232, 121, 10, 0.35);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.6;
            white-space: nowrap;
        }
        .badge-category {
            background: #F0EAE4;
            color: var(--text-main);
        }
        .badge-version {
            background: var(--secondary);
            color: #fff;
            font-family: var(--font-mono);
            font-size: 0.7rem;
        }
        .badge-hot {
            background: var(--primary);
            color: #fff;
        }
        .badge-safe {
            background: var(--success);
            color: #fff;
        }
        /* Cards */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #F0EAE4;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.4);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: #fff;
            font-weight: 500;
        }
        /* Category Hero */
        .category-hero {
            background: var(--secondary);
            background-image: linear-gradient(rgba(42, 35, 32, 0.82), rgba(42, 35, 32, 0.82)), url('/assets/images/eb3099b5a6c11dba.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0;
            color: #fff;
            border-bottom: 1px solid var(--border);
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 12px 0 8px;
            color: #fff;
            line-height: 1.2;
        }
        .category-hero .hero-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* Stats Bar */
        .stats-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .stats-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .stat-item .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(232, 121, 10, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .stat-item strong {
            color: var(--secondary);
            font-weight: 700;
            font-size: 1.05rem;
        }
        /* Download List */
        .download-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .download-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px dashed var(--border);
            transition: background var(--transition);
        }
        .download-item:hover {
            background: rgba(232, 121, 10, 0.04);
        }
        .download-item .rank {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--border);
            width: 44px;
            text-align: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .download-item .thumb {
            width: 64px;
            height: 40px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #F0EAE4;
        }
        .download-item .info {
            flex: 1;
            min-width: 0;
        }
        .download-item .info h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--secondary);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .download-item .info .meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .download-item .dl-btn {
            flex-shrink: 0;
        }
        /* Topic Cards */
        .topic-card {
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 16px 20px 20px;
        }
        .topic-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .topic-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        /* CMS Cards */
        .cms-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cms-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .cms-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .cms-card img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }
        .cms-card .cms-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cms-card h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .cms-card p {
            font-size: 0.8rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 8px;
        }
        .cms-card .cms-time {
            font-size: 0.75rem;
            color: var(--text-light);
            opacity: 0.7;
        }
        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--surface);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-indicator {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item[open] summary .faq-indicator {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* CTA Section */
        .cta-section {
            background: var(--secondary);
            background-image: linear-gradient(rgba(42, 35, 32, 0.9), rgba(42, 35, 32, 0.9)), url('/assets/images/f9a85085f9dcb656.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 0;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(232, 121, 10, 0.4);
        }
        .cta-section .btn-primary:hover {
            background: var(--primary-hover);
        }
        /* Related Links */
        .related-links-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .related-link-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-main);
            transition: all var(--transition);
        }
        .related-link-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .related-link-item .link-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }
        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo:hover {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 32px 16px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .empty-state .empty-icon {
            font-size: 2rem;
            margin-bottom: 8px;
            opacity: 0.6;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .cms-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero {
                padding: 40px 0;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .stats-bar .container {
                flex-wrap: wrap;
                gap: 10px;
            }
            .cms-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .download-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .download-item .dl-btn {
                margin-left: auto;
            }
            .related-links-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
                padding-left: 12px;
            }
            .section-title::before {
                top: 5px;
                height: 22px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-desc {
                font-size: 0.875rem;
            }
            .cms-grid {
                grid-template-columns: 1fr;
            }
            .download-item .thumb {
                width: 48px;
                height: 32px;
            }
            .download-item .rank {
                font-size: 1.3rem;
                width: 32px;
            }
            .download-item .info h3 {
                font-size: 0.85rem;
            }
            .stats-bar .container {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }
            .stat-item {
                justify-content: space-between;
            }
            .topic-card img {
                height: 110px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E8790A;
            --primary-hover: #C96B0A;
            --primary-focus: #A85A08;
            --secondary: #2A2320;
            --background: #FBF8F4;
            --surface: #FFFFFF;
            --text-main: #2D2A26;
            --text-light: #6B645E;
            --border: #E8E0D8;
            --accent: #7A3050;
            --success: #4E7A3A;
            --warning: #D08A3A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(42,35,32,0.06);
            --shadow-md: 0 4px 12px rgba(42,35,32,0.08);
            --shadow-lg: 0 12px 32px rgba(42,35,32,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
            --transition: 0.18s ease;
        }
        *,
        *::before,
        *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); line-height: 1.6; color: var(--text-main); background: var(--background); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        a { text-decoration: none; color: inherit; transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; border: none; outline: none; background: none; }
        button { cursor: pointer; }
        ul, ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        @media (min-width: 1440px) { .container { max-width: 1320px; } }
        @media (max-width: 767.98px) { .container { padding-left: 16px; padding-right: 16px; } }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); height: 68px; display: flex; align-items: center; }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: var(--secondary); }
        .logo .logo-icon { width: 32px; height: 32px; border-radius: var(--radius-sm); background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
        .logo:hover { color: var(--primary); }
        .main-nav { display: flex; align-items: center; gap: 28px; }
        .main-nav a { font-size: 0.925rem; color: var(--text-main); position: relative; padding-bottom: 4px; font-weight: 500; }
        .main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: width var(--transition); border-radius: 2px; }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after { width: 100%; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
        .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.25s ease; transform-origin: center; }
        .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0; background: var(--surface); z-index: 999; padding: 16px 24px; flex-direction: column; gap: 0; overflow-y: auto; }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; font-weight: 500; color: var(--text-main); }
        .mobile-menu a:hover { color: var(--primary); }
        .mobile-menu a.active { color: var(--primary); }

        /* Section Base */
        main { display: block; }
        .section { padding: 64px 0; }
        .section-alt { background: var(--surface); }
        .section-plain { background: var(--background); }
        .section-header { margin-bottom: 32px; }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--secondary); margin-bottom: 8px; position: relative; padding-left: 16px; line-height: 1.3; }
        .section-title::before { content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 28px; background: var(--primary); border-radius: 2px; }
        .section-subtitle { font-size: 1rem; color: var(--text-light); margin-bottom: 40px; max-width: 660px; line-height: 1.7; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 24px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 600; transition: all var(--transition); white-space: nowrap; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(232,121,10,0.25); }
        .btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 16px rgba(232,121,10,0.35); transform: translateY(-1px); }
        .btn-primary:active { transform: scale(0.98); box-shadow: 0 1px 4px rgba(232,121,10,0.2); }
        .btn-primary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-secondary:hover { background: rgba(232,121,10,0.05); border-color: var(--primary-hover); color: var(--primary-hover); }
        .btn-secondary:focus-visible { outline: 2px solid rgba(232,121,10,0.35); outline-offset: 2px; }
        .btn-lg { padding: 14px 36px; font-size: 1.05rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 6px 14px; font-size: 0.85rem; }

        /* Badge */
        .badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; padding: 2px 10px; border-radius: var(--radius-sm); font-weight: 500; white-space: nowrap; }
        .badge-category { background: #F0EBE5; color: var(--text-main); }
        .badge-version { font-family: var(--font-mono); background: var(--secondary); color: #fff; }
        .badge-hot { background: var(--primary); color: #fff; }
        .badge-safe { background: var(--success); color: #fff; }
        .badge-new { background: #F5E6D3; color: var(--primary-hover); }

        /* Cards */
        .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: all var(--transition); overflow: hidden; }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .card-body { padding: 20px; }
        .card-title { font-size: 1.1rem; font-weight: 600; color: var(--secondary); margin-bottom: 8px; line-height: 1.4; }
        .card-text { font-size: 0.875rem; color: var(--text-light); line-height: 1.7; }

        /* Image placeholder */
        .img-cover { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #EBE4DB; border-radius: var(--radius-md) var(--radius-md) 0 0; }
        .img-thumb { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #EBE4DB; border-radius: var(--radius-sm); }
        .img-banner { width: 100%; height: 180px; object-fit: cover; background: #EBE4DB; border-radius: var(--radius-md); }

        /* Breadcrumb */
        .breadcrumb-wrap { padding: 24px 0 0; }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--text-light); flex-wrap: wrap; }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .separator { color: var(--border); }
        .breadcrumb .current { color: var(--text-main); font-weight: 500; }

        /* Category Hero */
        .category-hero { padding: 32px 0 48px; background: var(--background); }
        .category-hero h1 { font-size: 2.4rem; font-weight: 700; color: var(--secondary); margin-bottom: 12px; line-height: 1.3; }
        .category-hero .cat-desc { font-size: 1rem; color: var(--text-light); max-width: 720px; line-height: 1.8; }

        /* Stats Bar */
        .stats-bar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 28px; display: flex; flex-wrap: wrap; gap: 16px 48px; align-items: center; box-shadow: var(--shadow-sm); margin-bottom: 32px; }
        .stat-item { display: flex; align-items: center; gap: 10px; }
        .stat-item .stat-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); background: rgba(232,121,10,0.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.2rem; flex-shrink: 0; }
        .stat-item .stat-value { font-size: 1.3rem; font-weight: 700; color: var(--secondary); }
        .stat-item .stat-label { font-size: 0.85rem; color: var(--text-light); }

        /* Resource List */
        .resource-list { display: flex; flex-direction: column; gap: 12px; }
        .resource-item { display: flex; align-items: center; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 18px; transition: all var(--transition); box-shadow: var(--shadow-sm); }
        .resource-item:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); border-color: rgba(232,121,10,0.3); }
        .resource-item .thumb-wrap { width: 72px; height: 45px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; background: #EBE4DB; }
        .resource-item .thumb-wrap img { width: 100%; height: 100%; object-fit: cover; }
        .resource-item .res-info { flex: 1; min-width: 0; }
        .resource-item .res-title { font-size: 0.95rem; font-weight: 600; color: var(--secondary); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .resource-item .res-meta { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; color: var(--text-light); flex-wrap: wrap; }
        .resource-item .res-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border); }
        .resource-item .res-action { flex-shrink: 0; }

        /* Topic Cards */
        .topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .topic-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); }
        .topic-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .topic-card .topic-img { aspect-ratio: 16/9; overflow: hidden; background: #EBE4DB; }
        .topic-card .topic-img img { width: 100%; height: 100%; object-fit: cover; }
        .topic-card .topic-body { padding: 16px 20px; }
        .topic-card .topic-tag { display: inline-block; font-size: 0.7rem; padding: 2px 10px; border-radius: var(--radius-sm); background: rgba(232,121,10,0.1); color: var(--primary); font-weight: 600; margin-bottom: 8px; }
        .topic-card .topic-title { font-size: 1rem; font-weight: 600; color: var(--secondary); margin-bottom: 6px; line-height: 1.45; }
        .topic-card .topic-desc { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; margin-bottom: 10px; }
        .topic-card .topic-link { font-size: 0.85rem; color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
        .topic-card .topic-link:hover { color: var(--primary-hover); }

        /* FAQ */
        .faq-list { max-width: 800px; }
        .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; transition: all var(--transition); }
        .faq-item:hover { border-color: rgba(232,121,10,0.3); }
        .faq-question { width: 100%; text-align: left; padding: 18px 20px; font-size: 0.95rem; font-weight: 600; color: var(--secondary); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
        .faq-question .icon { width: 24px; height: 24px; border-radius: 50%; background: rgba(232,121,10,0.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 0.8rem; flex-shrink: 0; transition: all var(--transition); }
        .faq-answer { padding: 0 20px 18px; font-size: 0.875rem; color: var(--text-light); line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question .icon { transform: rotate(45deg); background: var(--primary); color: #fff; }

        /* CTA Section */
        .cta-section { background: var(--secondary); padding: 48px 0; border-radius: 0; }
        .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
        .cta-title { font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .cta-subtitle { font-size: 0.95rem; color: rgba(255,255,255,0.7); }
        .cta-section .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(232,121,10,0.4); }
        .cta-section .btn-primary:hover { background: var(--primary-hover); }

        /* Related Links */
        .related-links { display: flex; flex-wrap: wrap; gap: 10px; }
        .related-links a { display: inline-flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--text-main); background: var(--surface); border: 1px solid var(--border); padding: 8px 16px; border-radius: var(--radius-sm); transition: all var(--transition); }
        .related-links a:hover { color: var(--primary); border-color: var(--primary); background: rgba(232,121,10,0.04); }
        .related-links a .arrow { color: var(--text-light); font-size: 0.7rem; }

        /* Footer */
        .site-footer { background: var(--secondary); color: rgba(255,255,255,0.8); padding: 56px 0 24px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .site-footer .footer-brand .logo { color: #fff; margin-bottom: 14px; }
        .site-footer .footer-brand .logo:hover { color: var(--primary); }
        .site-footer .footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.65); max-width: 280px; }
        .site-footer .footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .site-footer .footer-col a { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.65); padding: 5px 0; transition: color var(--transition); }
        .site-footer .footer-col a:hover { color: var(--primary); }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); }

        /* Empty state */
        .empty-state { text-align: center; padding: 48px 20px; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius-lg); }
        .empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; color: var(--text-light); }
        .empty-state p { color: var(--text-light); font-size: 0.95rem; }

        /* Responsive */
        @media (max-width: 1024px) {
            .topic-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { gap: 24px; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .nav-toggle { display: flex; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.5rem; }
            .category-hero h1 { font-size: 1.7rem; }
            .stats-bar { flex-direction: column; gap: 12px; align-items: flex-start; padding: 16px 20px; }
            .topic-grid { grid-template-columns: 1fr; }
            .resource-item { flex-wrap: wrap; }
            .resource-item .thumb-wrap { width: 56px; height: 35px; }
            .resource-item .res-info { flex: 1 1 calc(100% - 72px); }
            .resource-item .res-action { width: 100%; display: flex; justify-content: flex-end; }
            .cta-inner { flex-direction: column; align-items: flex-start; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .site-footer .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .section { padding: 40px 0; }
            .section-title { font-size: 1.3rem; }
            .category-hero h1 { font-size: 1.4rem; }
            .category-hero .cat-desc { font-size: 0.9rem; }
            .resource-item { padding: 10px 14px; }
            .resource-item .res-title { font-size: 0.85rem; }
            .btn { padding: 8px 16px; font-size: 0.85rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .related-links a { font-size: 0.8rem; padding: 6px 12px; }
            .stats-bar { gap: 8px; }
            .stat-item .stat-value { font-size: 1.1rem; }
        }