/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; border: none; outline: none; }
        input { font-family: inherit; outline: none; }

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

        /* Header & Navigation - SaaS Command Bar */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }

        .nav-inner {
            max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
            height: 100%; display: flex; align-items: center; justify-content: space-between;
            gap: 20px;
        }

        .nav-logo {
            display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.35rem;
            color: var(--primary); letter-spacing: -0.02em; white-space: nowrap; flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .nav-logo:hover { opacity: 0.85; }
        .nav-logo .logo-icon {
            width: 38px; height: 38px; border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), #3b82f6);
            display: flex; align-items: center; justify-content: center;
            color: #fff; font-size: 1.2rem; font-weight: 800;
        }

        .nav-links { display: flex; align-items: center; gap: 6px; list-style: none; flex-shrink: 0; }
        .nav-links li a {
            display: block; padding: 8px 16px; border-radius: 8px; font-size: 0.925rem;
            font-weight: 500; color: var(--text-secondary); transition: all var(--transition);
            white-space: nowrap; letter-spacing: 0.01em;
        }
        .nav-links li a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-links li a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }

        .nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .nav-search {
            display: flex; align-items: center; gap: 8px; background: var(--bg);
            border: 1.5px solid var(--border); border-radius: 25px; padding: 8px 16px;
            transition: all var(--transition); min-width: 180px;
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,0.1); background: #fff; }
        .nav-search i { color: var(--text-muted); font-size: 0.85rem; }
        .nav-search input {
            border: none; background: transparent; font-size: 0.875rem; color: var(--text);
            width: 100%; min-width: 100px;
        }
        .nav-search input::placeholder { color: var(--text-muted); }

        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 25px; font-size: 0.9rem; font-weight: 600; letter-spacing: 0.01em; transition: all var(--transition); white-space: nowrap; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow); }
        .btn-primary:hover { background: var(--primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #1e293b; box-shadow: var(--shadow); }
        .btn-accent:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); color: #1e293b; }
        .btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 28px; }
        .btn-sm { padding: 7px 14px; font-size: 0.8rem; border-radius: 20px; }

        /* Mobile nav toggle */
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); padding: 8px; cursor: pointer; }
        .mobile-nav-overlay { display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 999; }
        .mobile-nav-panel { display: none; position: fixed; top: var(--nav-height); right: 0; width: 280px; bottom: 0; background: #fff; z-index: 1001; padding: 24px; box-shadow: var(--shadow-xl); flex-direction: column; gap: 12px; overflow-y: auto; }
        .mobile-nav-panel.active { display: flex; }
        .mobile-nav-overlay.active { display: block; }
        .mobile-nav-panel a { display: block; padding: 12px 16px; border-radius: var(--radius); font-weight: 500; color: var(--text); font-size: 1rem; transition: all var(--transition); }
        .mobile-nav-panel a:hover, .mobile-nav-panel a.active { background: var(--primary-light); color: var(--primary); }
        .mobile-nav-panel .nav-search-mobile { margin-top: 8px; display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1.5px solid var(--border); border-radius: 25px; padding: 10px 16px; }
        .mobile-nav-panel .nav-search-mobile input { border: none; background: transparent; width: 100%; font-size: 0.9rem; }
        .mobile-nav-panel .btn { justify-content: center; margin-top: 4px; }

        /* Hero */
        .hero {
            padding: calc(var(--nav-height) + 60px) 0 80px;
            background: linear-gradient(170deg, #f0f5ff 0%, #f8fafc 30%, #ffffff 100%);
            position: relative; overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; top: -120px; right: -80px; width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(26,86,219,0.06) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }
        .hero::after {
            content: ''; position: absolute; bottom: -60px; left: -40px; width: 350px; height: 350px;
            background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }
        .hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .hero-text h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.25; color: var(--text); letter-spacing: -0.03em; margin-bottom: 16px; }
        .hero-text h1 span { color: var(--primary); position: relative; }
        .hero-text h1 span::after { content: ''; position: absolute; bottom: 4px; left: 0; right: 0; height: 8px; background: var(--accent-light); border-radius: 4px; z-index: -1; opacity: 0.7; }
        .hero-text .hero-desc { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 28px; max-width: 480px; }
        .hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
        .hero-visual .hero-img-wrapper {
            border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl);
            border: 4px solid #fff; transform: rotate(-1deg); transition: transform var(--transition);
        }
        .hero-visual .hero-img-wrapper:hover { transform: rotate(0deg) scale(1.02); }
        .hero-visual .hero-img-wrapper img { width: 100%; height: auto; border-radius: var(--radius-lg); }
        .hero-visual .hero-badge {
            position: absolute; top: -20px; right: -10px; background: #fff; border-radius: var(--radius);
            padding: 12px 18px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
            font-weight: 700; font-size: 0.95rem; color: var(--text); z-index: 2;
        }
        .hero-visual .hero-badge .badge-dot { width: 10px; height: 10px; background: #22c55e; border-radius: 50%; animation: pulse-dot 2s infinite; }
        @keyframes pulse-dot { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

        /* Sections */
        .section { padding: 72px 0; }
        .section-header { text-align: center; margin-bottom: 48px; }
        .section-header h2 { font-size: 2rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; margin-bottom: 10px; }
        .section-header p { font-size: 1.05rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto; }
        .section-label { display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); background: var(--primary-light); padding: 5px 14px; border-radius: 20px; margin-bottom: 12px; }

        /* Feature Cards */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .feature-card {
            background: #fff; border-radius: var(--radius-lg); padding: 32px 28px;
            border: 1px solid var(--border-light); box-shadow: var(--shadow);
            transition: all var(--transition); position: relative; overflow: hidden;
        }
        .feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
        .feature-card .feature-icon {
            width: 52px; height: 52px; border-radius: var(--radius); display: flex; align-items: center;
            justify-content: center; font-size: 1.5rem; margin-bottom: 18px;
            background: var(--primary-light); color: var(--primary);
        }
        .feature-card:nth-child(2) .feature-icon { background: var(--accent-light); color: var(--accent); }
        .feature-card:nth-child(3) .feature-icon { background: #dcfce7; color: #16a34a; }
        .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
        .feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin: 0; }

        /* Category Entrance */
        .category-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 24px; max-width: 700px; margin: 0 auto; }
        .category-card {
            display: flex; align-items: center; gap: 24px; background: #fff; border-radius: var(--radius-lg);
            padding: 24px 28px; border: 1px solid var(--border-light); box-shadow: var(--shadow);
            transition: all var(--transition); cursor: pointer;
        }
        .category-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
        .category-card .cat-img { width: 100px; height: 80px; border-radius: var(--radius); overflow: hidden; flex-shrink: 0; }
        .category-card .cat-img img { width: 100%; height: 100%; object-fit: cover; }
        .category-card .cat-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; color: var(--text); }
        .category-card .cat-info p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }
        .category-card .cat-arrow { margin-left: auto; color: var(--text-muted); font-size: 1.1rem; transition: all var(--transition); }
        .category-card:hover .cat-arrow { color: var(--primary); transform: translateX(4px); }

        /* CMS List */
        .cms-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .cms-card {
            background: #fff; border-radius: var(--radius-lg); overflow: hidden;
            border: 1px solid var(--border-light); box-shadow: var(--shadow);
            transition: all var(--transition); display: flex; flex-direction: column;
        }
        .cms-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
        .cms-card .cms-img { height: 180px; overflow: hidden; position: relative; }
        .cms-card .cms-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .cms-card:hover .cms-img img { transform: scale(1.06); }
        .cms-card .cms-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .cms-card .cms-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--primary); background: var(--primary-light); padding: 3px 10px; border-radius: 12px; margin-bottom: 10px; align-self: flex-start; }
        .cms-card .cms-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; line-height: 1.4; color: var(--text); }
        .cms-card .cms-body h3 a { color: inherit; }
        .cms-card .cms-body h3 a:hover { color: var(--primary); }
        .cms-card .cms-body .cms-excerpt { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 12px; flex: 1; }
        .cms-card .cms-body .cms-meta { font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 14px; }
        .cms-empty { text-align: center; padding: 48px 24px; color: var(--text-secondary); font-size: 1rem; background: #fff; border-radius: var(--radius-lg); border: 1px dashed var(--border); }

        /* Stats */
        .stats-section { background: linear-gradient(135deg, var(--primary), #1e40af); color: #fff; padding: 60px 0; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-item .stat-number { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 4px; }
        .stat-item .stat-label { font-size: 0.9rem; opacity: 0.85; font-weight: 500; }

        /* Info Block */
        .info-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .info-block.reverse { direction: rtl; }
        .info-block.reverse > * { direction: ltr; }
        .info-block .info-text h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 14px; color: var(--text); letter-spacing: -0.02em; }
        .info-block .info-text p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 8px; }
        .info-block .info-text .info-list { list-style: none; padding: 0; margin-top: 16px; }
        .info-block .info-text .info-list li { padding: 6px 0 6px 24px; position: relative; color: var(--text-secondary); font-size: 0.95rem; }
        .info-block .info-text .info-list li::before { content: '✓'; position: absolute; left: 0; color: #22c55e; font-weight: 700; }
        .info-block .info-img { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
        .info-block .info-img img { width: 100%; height: auto; }

        /* FAQ */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: #fff; border-radius: var(--radius); border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); overflow: hidden; transition: all var(--transition); }
        .faq-item:hover { box-shadow: var(--shadow); }
        .faq-question { padding: 18px 24px; font-weight: 600; font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; color: var(--text); user-select: none; }
        .faq-question .faq-icon { transition: transform var(--transition); color: var(--text-muted); font-size: 0.9rem; }
        .faq-item.open .faq-question .faq-icon { transform: rotate(180deg); color: var(--primary); }
        .faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* CTA */
        .cta-section { background: var(--bg); padding: 64px 0; }
        .cta-card { background: #fff; border-radius: var(--radius-xl); padding: 48px 40px; text-align: center; box-shadow: var(--shadow-lg); border: 1px solid var(--border-light); max-width: 700px; margin: 0 auto; }
        .cta-card h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
        .cta-card p { color: var(--text-secondary); margin-bottom: 24px; font-size: 1rem; }

        /* Footer */
        .site-footer { background: #1e293b; color: #cbd5e1; padding: 48px 0 32px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .footer-logo { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
        .footer-brand p { font-size: 0.85rem; line-height: 1.6; opacity: 0.8; }
        .footer-links h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 14px; }
        .footer-links ul { list-style: none; padding: 0; }
        .footer-links ul li { margin-bottom: 8px; }
        .footer-links ul li a { font-size: 0.85rem; color: #94a3b8; transition: color var(--transition); }
        .footer-links ul li a:hover { color: #fff; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 0.82rem; color: #64748b; }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; gap: 36px; text-align: center; }
            .hero-text .hero-desc { max-width: 100%; }
            .hero-buttons { justify-content: center; }
            .hero-visual .hero-img-wrapper { max-width: 450px; margin: 0 auto; }
            .hero-visual .hero-badge { right: 0; top: -16px; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
            .info-block { grid-template-columns: 1fr; gap: 28px; }
            .info-block .info-img { max-width: 500px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .cms-list { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 56px; }
            .nav-links, .nav-actions .nav-search, .nav-actions .btn { display: none; }
            .nav-toggle { display: block; }
            .nav-actions { gap: 6px; }
            .nav-actions .btn-sm { display: inline-flex; }
            .hero { padding: calc(var(--nav-height) + 40px) 0 48px; }
            .hero-text h1 { font-size: 2rem; }
            .hero-text .hero-desc { font-size: 1rem; }
            .features-grid { grid-template-columns: 1fr; gap: 16px; }
            .section { padding: 48px 0; }
            .section-header h2 { font-size: 1.6rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-item .stat-number { font-size: 2.2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-card { padding: 32px 24px; }
            .cta-card h2 { font-size: 1.5rem; }
            .category-card { flex-direction: column; text-align: center; gap: 12px; }
            .category-card .cat-arrow { margin-left: 0; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-text h1 { font-size: 1.7rem; }
            .hero-buttons { flex-direction: column; align-items: center; }
            .hero-buttons .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item .stat-number { font-size: 1.8rem; }
            .section-header h2 { font-size: 1.4rem; }
            .feature-card { padding: 24px 20px; }
            .cms-card .cms-img { height: 150px; }
            .btn-lg { padding: 12px 22px; font-size: 0.9rem; }
        }

/* roulang page: article */
:root {
            --color-primary: #0f2b46;
            --color-primary-light: #1a3f63;
            --color-accent: #c8922b;
            --color-accent-hover: #d4a853;
            --color-accent-light: #fdf3e0;
            --color-bg: #f8f9fb;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-muted: #5f6b7a;
            --color-text-light: #8896a8;
            --color-border: #e2e8f0;
            --color-border-light: #edf2f7;
            --color-success: #0d9488;
            --color-warning: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.14), 0 8px 16px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'SF Pro Text', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font-family: inherit; }
        ul, ol { list-style: none; margin: 0; padding: 0; }
        h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-heading); line-height: 1.3; color: var(--color-text); }
        p { margin: 0 0 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .nav-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo:hover { color: var(--color-accent); }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--color-primary); background: rgba(15,43,70,0.04); }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(15,43,70,0.07);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 8px 16px;
            transition: all var(--transition-fast);
        }
        .nav-search:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(200,146,43,0.1); }
        .nav-search i { color: var(--color-text-light); font-size: 0.85rem; }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 160px;
        }
        .nav-search input::placeholder { color: var(--color-text-light); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            font-family: var(--font-body);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
        .btn-sm { padding: 7px 16px; font-size: 0.85rem; border-radius: 20px; }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover { background: var(--color-primary); color: #fff; }
        .btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 28px; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover { background: var(--color-bg); }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a { color: var(--color-text-muted); }
        .breadcrumb a:hover { color: var(--color-accent); }
        .breadcrumb .sep { color: var(--color-text-light); margin: 0 2px; }
        .breadcrumb .current { color: var(--color-text); font-weight: 500; }

        /* Article Banner */
        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            padding: 48px 0 0;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,43,70,0.92) 0%, rgba(15,43,70,0.5) 50%, rgba(15,43,70,0.25) 100%);
            z-index: 1;
        }
        .article-banner .container { position: relative; z-index: 2; width: 100%; }
        .article-banner-content {
            padding: 36px 0 32px;
            color: #fff;
        }
        .article-banner-content .category-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .article-banner-content h1 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .article-banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            align-items: center;
        }
        .article-banner-meta span { display: inline-flex; align-items: center; gap: 5px; }

        /* Main Content Layout */
        .article-main { padding: 40px 0 56px; }
        .article-grid { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
        .article-body {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .article-body .prose {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body .prose h2 {
            font-size: 1.5rem;
            margin: 28px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-body .prose h3 { font-size: 1.25rem; margin: 22px 0 10px; }
        .article-body .prose p { margin-bottom: 1.1rem; }
        .article-body .prose img { border-radius: var(--radius-md); margin: 16px 0; }
        .article-body .prose ul, .article-body .prose ol {
            margin: 0 0 1rem 1.5rem;
            padding: 0;
            list-style: disc;
        }
        .article-body .prose ol { list-style: decimal; }
        .article-body .prose li { margin-bottom: 6px; }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--color-bg);
            border-radius: 16px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }
        .article-tags .tag:hover { background: var(--color-accent-light); color: var(--color-accent); }

        /* Sidebar */
        .article-sidebar { display: flex; flex-direction: column; gap: 24px; }
        .sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-primary);
        }
        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .sidebar-related-item:last-child { border-bottom: none; }
        .sidebar-related-item img {
            width: 64px;
            height: 48px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .sidebar-related-item a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-related-item a:hover { color: var(--color-accent); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
        }
        .sidebar-cta h4 { color: #fff; margin-bottom: 8px; font-size: 1.05rem; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.88rem; margin-bottom: 16px; }
        .sidebar-cta .btn { background: var(--color-accent); color: #fff; }
        .sidebar-cta .btn:hover { background: var(--color-accent-hover); }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 64px 24px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .empty-state .empty-icon {
            font-size: 4rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
        }
        .empty-state h3 { font-size: 1.4rem; margin-bottom: 10px; color: var(--color-text); }
        .empty-state p { color: var(--color-text-muted); margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }

        /* Related Section */
        .related-section { padding: 48px 0 56px; background: var(--color-bg); }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            text-align: center;
            color: var(--color-primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body .card-cat {
            font-size: 0.75rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .related-card-body h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card-body h5 a { color: var(--color-text); }
        .related-card-body h5 a:hover { color: var(--color-accent); }
        .related-card-body .card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-top: auto;
        }

        /* CTA Section */
        .cta-section {
            padding: 56px 0;
            text-align: center;
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
        }
        .cta-section h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 10px; }
        .cta-section p { color: var(--color-text-muted); max-width: 560px; margin: 0 auto 22px; font-size: 1rem; }
        .cta-section .btn { display: inline-flex; }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.85);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 300px; }
        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-links ul { display: flex; flex-direction: column; gap: 7px; }
        .footer-links a { color: rgba(255,255,255,0.7); font-size: 0.88rem; transition: color var(--transition-fast); }
        .footer-links a:hover { color: var(--color-accent-hover); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255,255,255,0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid { grid-template-columns: 1fr; gap: 28px; }
            .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .sidebar-cta { grid-column: 1 / -1; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .nav-search input { width: 100px; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-actions { gap: 6px; }
            .nav-search { display: none; }
            .nav-toggle { display: flex; }
            .site-header.nav-open .nav-links {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                border-bottom: 1px solid var(--color-border);
                padding: 12px 24px;
                gap: 2px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .site-header.nav-open .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .article-banner { min-height: 200px; }
            .article-banner-content h1 { font-size: 1.4rem; }
            .article-body { padding: 24px 18px; }
            .article-body .prose { font-size: 0.98rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .related-card img { height: 130px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h3 { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .nav-inner { padding: 0 16px; }
            .nav-logo { font-size: 1.1rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
            .article-banner { min-height: 160px; }
            .article-banner-content { padding: 20px 0 20px; }
            .article-banner-content h1 { font-size: 1.2rem; }
            .article-banner-meta { font-size: 0.78rem; gap: 10px; }
            .article-body { padding: 18px 14px; border-radius: var(--radius-md); }
            .article-body .prose { font-size: 0.92rem; line-height: 1.75; }
            .related-grid { grid-template-columns: 1fr; gap: 12px; }
            .related-card img { height: 180px; }
            .breadcrumb { font-size: 0.8rem; }
            .empty-state { padding: 40px 16px; }
            .empty-state .empty-icon { font-size: 3rem; }
            .btn-lg { padding: 12px 22px; font-size: 0.9rem; }
        }

        /* Foundation overrides */
        .row { max-width: none; }
        .columns { padding: 0; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #162544;
            --color-primary-light: #1e3558;
            --color-primary-dark: #0d1a30;
            --color-accent: #c8963e;
            --color-accent-light: #d9ad5a;
            --color-accent-glow: #e8c478;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0f1b2d;
            --color-bg-card: #ffffff;
            --color-text: #1a1d24;
            --color-text-secondary: #5a5f6b;
            --color-text-muted: #8b8f97;
            --color-text-light: #b0b4bc;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #2eaa6e;
            --color-warning: #e8943a;
            --color-danger: #d9444f;
            --color-tag-newbie: #3b82c4;
            --color-tag-advanced: #8b5cf6;
            --color-tag-guide: #e87830;
            --color-tag-tips: #10b981;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-xl: 0 14px 40px rgba(0,0,0,0.12);
            --shadow-card-hover: 0 10px 34px rgba(0,0,0,0.11);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        a:hover { color: var(--color-accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; }
        ul, ol { list-style: none; padding: 0; margin: 0; }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow { max-width: 960px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header / Nav (共享结构) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .nav-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover { opacity: 0.82; color: var(--color-primary); }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: var(--color-accent-glow);
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(22,37,68,0.04);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(22,37,68,0.07);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 16px;
            transition: all var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200,150,62,0.08);
            background: #fff;
        }
        .nav-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.88rem;
            color: var(--color-text);
            width: 150px;
        }
        .nav-search input::placeholder { color: var(--color-text-light); }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            font-size: 1.3rem;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
            line-height: 1.3;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(200,150,62,0.5);
            outline-offset: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary-light) 0%, #243d66 100%);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-xs); }
        .btn-sm { padding: 7px 16px; font-size: 0.85rem; }
        .btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: var(--radius-lg); }
        .btn-outline {
            background: transparent;
            border-color: var(--color-border);
            color: var(--color-text);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(200,150,62,0.04);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-sm);
        }
        .btn-accent:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent-light) 0%, #d4a84a 100%);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
            margin-top: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--color-text-secondary); }
        .breadcrumb a:hover { color: var(--color-accent); }
        .breadcrumb .sep { color: var(--color-text-light); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--color-primary); font-weight: 600; }

        /* ===== 分类页 Banner ===== */
        .category-banner {
            background: linear-gradient(160deg, rgba(15,27,45,0.88) 0%, rgba(22,37,68,0.82) 50%, rgba(15,27,45,0.9) 100%),
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 52px 0 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-glow), var(--color-accent));
        }
        .banner-content { position: relative; z-index: 1; }
        .banner-badge {
            display: inline-block;
            background: rgba(200,150,62,0.2);
            border: 1px solid rgba(200,150,62,0.35);
            color: var(--color-accent-glow);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .category-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .category-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.78);
            max-width: 600px;
            line-height: 1.6;
            margin: 0;
        }
        .banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 22px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
        }
        .banner-stat-item i { color: var(--color-accent-glow); }
        .banner-stat-item strong {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }

        /* ===== 筛选标签栏 ===== */
        .filter-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 0;
            position: sticky;
            top: var(--header-height);
            z-index: 99;
            box-shadow: var(--shadow-xs);
        }
        .filter-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-block;
            padding: 7px 18px;
            border-radius: var(--radius-full);
            font-size: 0.86rem;
            font-weight: 500;
            cursor: pointer;
            border: 1.5px solid var(--color-border);
            background: #fff;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(200,150,62,0.03);
        }
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .filter-count {
            display: inline-block;
            font-size: 0.75rem;
            background: rgba(255,255,255,0.25);
            padding: 1px 8px;
            border-radius: var(--radius-full);
            margin-left: 4px;
        }
        .filter-tag.active .filter-count {
            background: rgba(255,255,255,0.3);
        }

        /* ===== 主内容布局 ===== */
        .main-content {
            padding: 40px 0 56px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr 260px;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        /* ===== 攻略卡片网格 ===== */
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 600px) {
            .guides-grid { grid-template-columns: 1fr; }
        }
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .guide-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #eef1f5;
        }
        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .guide-card:hover .guide-card-image img {
            transform: scale(1.04);
        }
        .guide-card-category {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.73rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            color: #fff;
            z-index: 2;
            backdrop-filter: blur(4px);
        }
        .cat-newbie { background: var(--color-tag-newbie); }
        .cat-advanced { background: var(--color-tag-advanced); }
        .cat-guide { background: var(--color-tag-guide); }
        .cat-tips { background: var(--color-tag-tips); }
        .guide-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card-title {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .guide-card-title a:hover { color: var(--color-accent); }
        .guide-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .guide-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card-meta i { font-size: 0.7rem; }

        /* ===== 侧边栏 ===== */
        .sidebar { }
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 22px 20px;
            margin-bottom: 22px;
        }
        .sidebar-widget:last-child { margin-bottom: 0; }
        .sidebar-widget h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h4 i { color: var(--color-accent); font-size: 0.9rem; }
        .popular-list { }
        .popular-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .popular-item:last-child { border-bottom: none; padding-bottom: 0; }
        .popular-item:hover { }
        .popular-rank {
            width: 26px;
            height: 26px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .popular-item:nth-child(1) .popular-rank { background: #fef3c7; color: #b45309; }
        .popular-item:nth-child(2) .popular-rank { background: #e8eef5; color: #3b5998; }
        .popular-item:nth-child(3) .popular-rank { background: #fde8d0; color: #9a4d1c; }
        .popular-info { flex: 1; min-width: 0; }
        .popular-title {
            font-size: 0.86rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 3px;
        }
        .popular-title a { color: inherit; }
        .popular-title a:hover { color: var(--color-accent); }
        .popular-views {
            font-size: 0.73rem;
            color: var(--color-text-muted);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag-item {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--color-bg);
            color: var(--color-text-secondary);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-cloud .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(200,150,62,0.04);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: none;
        }
        .sidebar-cta h4 {
            color: #fff;
            border-bottom-color: rgba(255,255,255,0.18);
            justify-content: center;
        }
        .sidebar-cta h4 i { color: var(--color-accent-glow); }
        .sidebar-cta p {
            color: rgba(255,255,255,0.78);
            font-size: 0.86rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-bg-dark) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
            padding: 60px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(200,150,62,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }
        .cta-inner p {
            font-size: 1rem;
            color: rgba(255,255,255,0.75);
            margin: 0 0 26px;
            line-height: 1.6;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer (共享结构) ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.72);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 22px; }
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
            color: rgba(255,255,255,0.55);
        }
        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-links ul { }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover { color: var(--color-accent-glow); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom p { margin: 0; }

        /* ===== 加载更多按钮 ===== */
        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* ===== 无结果 ===== */
        .no-results {
            text-align: center;
            padding: 48px 20px;
            grid-column: 1 / -1;
        }
        .no-results i {
            font-size: 3rem;
            color: var(--color-text-light);
            margin-bottom: 12px;
            display: block;
        }
        .no-results p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        /* ===== 响应式 - Header ===== */
        @media (max-width: 920px) {
            .nav-search { display: none; }
            .nav-links a { padding: 7px 12px; font-size: 0.9rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-actions { display: none; }
            .nav-toggle { display: flex; align-items: center; justify-content: center; }
            .site-header.mobile-open .nav-links {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--color-border);
                padding: 12px 20px 16px;
                box-shadow: var(--shadow-md);
                gap: 2px;
                z-index: 999;
            }
            .site-header.mobile-open .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                width: 100%;
                font-size: 0.95rem;
            }
            .site-header.mobile-open .nav-actions {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(var(--header-height) + 170px);
                left: 0;
                right: 0;
                background: #fff;
                padding: 8px 20px 18px;
                box-shadow: var(--shadow-md);
                z-index: 999;
                border-bottom: 1px solid var(--color-border-light);
            }
            .site-header.mobile-open .nav-actions .nav-search {
                display: flex;
                width: 100%;
            }
            .site-header.mobile-open .nav-actions .nav-search input {
                width: 100%;
            }
            .site-header.mobile-open .nav-actions .btn {
                width: 100%;
                margin-top: 8px;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 { font-size: 1.7rem; }
            .category-banner .banner-desc { font-size: 0.9rem; }
            .banner-stats { gap: 16px; }
            .banner-stat-item strong { font-size: 1.2rem; }
            .filter-bar { top: var(--header-height); }
            .filter-tag { padding: 6px 13px; font-size: 0.8rem; }
            .guides-grid { grid-template-columns: 1fr; }
            .guide-card-title { font-size: 0.95rem; }
            .content-grid { gap: 24px; }
            .cta-inner h2 { font-size: 1.4rem; }
            .cta-inner p { font-size: 0.9rem; }
        }