/* roulang page: index */
:root {
            --primary: #1a2b5e;
            --primary-light: #2d3f7a;
            --accent: #f0a500;
            --accent-hover: #e09500;
            --bg: #f5f7fb;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 6px 20px rgba(0,0,0,0.07);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
            --font: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.25s ease;
            --header-height: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header & Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26,43,94,0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 16px rgba(0,0,0,0.08);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--accent); }
        .nav { display: flex; align-items: center; gap: 2rem; }
        .nav a {
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
            font-size: 0.95rem;
        }
        .nav a:hover, .nav a.active { color: #fff; }
        .nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav a.active::after, .nav a:hover::after { width: 100%; }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 30px;
            transition: background var(--transition), transform 0.15s;
            font-size: 0.95rem;
            gap: 6px;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 30px;
            background: transparent;
            transition: all var(--transition);
            font-size: 0.95rem;
            gap: 6px;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
        }
        .btn-lg { padding: 14px 36px; font-size: 1.05rem; }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, #10182f 0%, #1a2b5e 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0 100px;
            color: #fff;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3rem;
        }
        .hero-content { flex: 1; }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
        }
        .hero-content h1 span { color: var(--accent); }
        .hero-content p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.8);
            max-width: 540px;
            margin-bottom: 2rem;
        }
        .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
        .hero-visual {
            flex: 0 0 360px;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
        }
        .stat-label { font-size: 0.9rem; opacity: 0.85; }

        /* Sections Common */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        /* Features */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform 0.2s;
            border: 1px solid var(--border);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .feature-icon {
            font-size: 2.4rem;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .feature-card h3 { font-size: 1.3rem; margin-bottom: 12px; }

        /* Category Card */
        .category-card {
            background: linear-gradient(135deg, #1a2b5e, #121c3b);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 40px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }
        .category-card::before {
            content: '';
            position: absolute;
            right: -20px;
            top: -20px;
            width: 200px;
            height: 200px;
            background: rgba(240,165,0,0.15);
            border-radius: 50%;
        }
        .category-card-content h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .category-card-content p { opacity: 0.85; margin-bottom: 20px; max-width: 500px; }
        .category-card-img {
            flex: 0 0 200px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }

        /* News list */
        .news-list {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 20px 28px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { background: #f8fafc; }
        .news-thumb {
            flex: 0 0 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #e9eef3;
        }
        .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .news-info { flex: 1; }
        .news-info h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-meta {
            display: flex;
            gap: 16px;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .news-category {
            background: #eff6ff;
            color: #1e40af;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Steps / Process */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.3rem;
            margin: 0 auto 16px;
        }
        .step-card h4 { margin-bottom: 8px; }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: box-shadow 0.2s;
        }
        .faq-item:hover { box-shadow: var(--shadow); }
        .faq-question {
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-question i { color: var(--accent); font-size: 1.2rem; }
        .faq-answer {
            margin-top: 12px;
            color: var(--text-secondary);
            padding-left: 28px;
        }

        /* CTA */
        .cta {
            background: linear-gradient(135deg, #1a2b5e, #0f172a);
            color: #fff;
            text-align: center;
            padding: 70px 20px;
            border-radius: var(--radius-lg);
            margin: 60px 0;
        }
        .cta h2 { font-size: 2rem; margin-bottom: 16px; }
        .cta p { opacity: 0.9; margin-bottom: 28px; font-size: 1.1rem; }

        /* Footer */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer h4 {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .footer ul li { margin-bottom: 8px; }
        .footer ul li a { color: #94a3b8; transition: color 0.2s; }
        .footer ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            margin-top: 36px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            color: #64748b;
            font-size: 0.9rem;
        }

        @media (max-width: 1024px) {
            .hero .container { flex-direction: column; }
            .hero-visual { width: 100%; flex: auto; }
            .feature-grid { grid-template-columns: repeat(2,1fr); }
            .steps { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .nav { display: none; }
            .mobile-toggle { display: block; }
            .header .container { justify-content: space-between; }
            .hero-content h1 { font-size: 2.2rem; }
            .category-card { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .steps { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; align-items: flex-start; }
            .news-thumb { width: 100%; height: 140px; }
        }
        @media (max-width: 520px) {
            .hero { padding: 60px 0 70px; }
            .section { padding: 50px 0; }
            .section-title { font-size: 1.8rem; }
        }

/* roulang page: article */
:root {
            --primary: #4F46E5;
            --primary-dark: #3730A3;
            --primary-light: #EEF2FF;
            --primary-glow: rgba(79, 70, 229, 0.15);
            --secondary: #0EA5E9;
            --secondary-light: #E0F2FE;
            --accent: #F59E0B;
            --accent-light: #FFFBEB;
            --bg: #F1F5F9;
            --bg-alt: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-heading: #0F172A;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 16px rgba(0,0,0,0.07), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-lg: 0 16px 32px rgba(0,0,0,0.08), 0 6px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 24px 48px rgba(0,0,0,0.10), 0 8px 16px rgba(0,0,0,0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
            --sidebar-width: 340px;
        }

        *, *::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: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav a:hover {
            color: var(--text);
            background: var(--bg-alt);
        }
        .nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: var(--bg-alt);
        }

        /* Article Banner */
        .article-banner {
            background: linear-gradient(135deg, #1E293B 0%, #334155 40%, #1E293B 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 60px 0 48px;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.82) 0%, rgba(15,23,42,0.75) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            z-index: 2;
        }
        .article-banner .container {
            position: relative;
            z-index: 3;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            color: rgba(255,255,255,0.4);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: rgba(255,255,255,0.55);
        }
        .article-banner-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            letter-spacing: -0.01em;
            max-width: 800px;
        }
        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 14px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
        }
        .article-banner-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner-meta .meta-item i {
            font-size: 0.85rem;
        }
        .article-badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255,255,255,0.15);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
        }

        /* Main Layout */
        .main {
            flex: 1;
            padding: 48px 0 64px;
        }
        .main-grid {
            display: flex;
            gap: 36px;
        }
        .content-area {
            flex: 1;
            min-width: 0;
        }
        .sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
        }

        /* Article Card */
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .article-body {
            padding: 36px 40px 44px;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.01em;
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-heading);
            margin: 24px 0 10px;
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.85;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 20px 20px;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
            line-height: 1.75;
        }
        .article-body li::marker {
            color: var(--primary);
        }
        .article-body blockquote {
            margin: 20px 0;
            padding: 18px 24px;
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text);
            font-style: italic;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
            border: 1px solid var(--border-light);
        }
        .article-body pre {
            background: #1E293B;
            color: #E2E8F0;
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            border: none;
            padding: 0;
            color: inherit;
        }
        .article-body strong {
            color: var(--text-heading);
            font-weight: 600;
        }

        /* Not Found State */
        .not-found-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .not-found-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
        }
        .not-found-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            border: 2px solid var(--border);
            color: var(--text);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card:last-child {
            margin-bottom: 0;
        }
        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .sidebar-info-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .sidebar-info-item:last-child {
            border-bottom: none;
        }
        .sidebar-info-item .info-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .sidebar-info-item .info-text {
            color: var(--text);
            line-height: 1.5;
        }
        .sidebar-info-item .info-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            font-weight: 600;
        }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .sidebar-post-item:last-child {
            border-bottom: none;
        }
        .sidebar-post-item:hover {
            padding-left: 4px;
        }
        .sidebar-post-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-post-info a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .sidebar-post-info a:hover {
            color: var(--primary);
        }
        .sidebar-post-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Related Posts Section */
        .related-section {
            margin-top: 48px;
        }
        .related-section .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .related-card img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .related-card-body {
            padding: 18px;
        }
        .related-card-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .related-card-body h4 a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .related-card-body h4 a:hover {
            color: var(--primary);
        }
        .related-card-body .related-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .tag-chip {
            display: inline-block;
            padding: 3px 10px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        /* Footer */
        .footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 52px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #F1F5F9;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer ul {
            list-style: none;
            padding: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: #E2E8F0;
        }
        .footer ul li a i {
            font-size: 0.85rem;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #64748B;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-grid {
                flex-direction: column;
                gap: 28px;
            }
            .sidebar {
                width: 100%;
            }
            .article-body {
                padding: 28px 24px;
            }
            .article-banner-title {
                font-size: 1.6rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav a.active::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .article-banner {
                padding: 40px 0 32px;
            }
            .article-banner-title {
                font-size: 1.35rem;
            }
            .article-body {
                padding: 20px 16px;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .not-found-card {
                padding: 40px 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-banner-title {
                font-size: 1.15rem;
            }
            .article-banner-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-body {
                padding: 16px 12px;
                font-size: 0.95rem;
            }
            .sidebar-card {
                padding: 18px;
            }
            .related-section .section-title {
                font-size: 1.15rem;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --primary-light: #dbeafe;
            --primary-50: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --success: #10b981;
            --success-light: #d1fae5;
            --danger: #ef4444;
            --danger-light: #fee2e2;
            --bg: #f1f5f9;
            --bg-alt: #f8fafc;
            --surface: #ffffff;
            --surface-hover: #f8fafc;
            --text: #0f172a;
            --text-secondary: #334155;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --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(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 28px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 40px rgba(0,0,0,0.12);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
        }

        *, *::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-color: var(--bg);
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

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

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: 0.8;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

        .nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav a:hover {
            color: var(--primary);
            background: var(--primary-50);
        }

        .nav a.active {
            color: var(--primary);
            background: var(--primary-50);
            font-weight: 600;
        }

        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .nav-cta {
            padding: 8px 20px !important;
            background: var(--primary) !important;
            color: #fff !important;
            border-radius: var(--radius) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition) !important;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--bg);
            color: var(--text);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 40%, #1a1f35 100%);
            padding: 60px 0 80px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 1;
        }

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

        .category-hero-content {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .category-hero-header {
            text-align: center;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(59,130,246,0.25);
            color: #93c5fd;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            border: 1px solid rgba(59,130,246,0.3);
        }

        .category-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .category-hero-desc {
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Stats Dashboard */
        .stats-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 8px;
        }

        .stat-card-dash {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition);
        }

        .stat-card-dash:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }

        .stat-icon-dash {
            width: 46px;
            height: 46px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .stat-icon-dash.blue {
            background: rgba(59,130,246,0.3);
            color: #93c5fd;
        }

        .stat-icon-dash.amber {
            background: rgba(245,158,11,0.3);
            color: #fcd34d;
        }

        .stat-icon-dash.green {
            background: rgba(16,185,129,0.3);
            color: #6ee7b7;
        }

        .stat-icon-dash.purple {
            background: rgba(139,92,246,0.3);
            color: #c4b5fd;
        }

        .stat-info-dash .stat-value-dash {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .stat-info-dash .stat-label-dash {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 4px;
        }

        /* Filter Toolbar */
        .filter-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: var(--header-height);
            z-index: 50;
        }

        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            margin-right: 4px;
        }

        .filter-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            user-select: none;
        }

        .filter-tag:hover {
            color: var(--primary);
            background: var(--primary-50);
            border-color: var(--primary-light);
        }

        .filter-tag.active-tag {
            color: #ffffff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .filter-result-count {
            margin-left: auto;
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .filter-result-count strong {
            color: var(--text);
            font-weight: 700;
        }

        /* Main Content Area */
        .main-content {
            padding: 40px 0 60px;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* Guide Cards Grid */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #cbd5e1;
        }

        .guide-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .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(1.05);
        }

        .guide-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.01em;
        }

        .tag-newbie {
            background: #dbeafe;
            color: #1d4ed8;
        }

        .tag-pvp {
            background: #fee2e2;
            color: #dc2626;
        }

        .tag-equip {
            background: #fef3c7;
            color: #b45309;
        }

        .tag-raid {
            background: #ede9fe;
            color: #6d28d9;
        }

        .tag-resource {
            background: #d1fae5;
            color: #047857;
        }

        .tag-class {
            background: #fce7f3;
            color: #be185d;
        }

        .tag-event {
            background: #fff7ed;
            color: #c2410c;
        }

        .tag-pet {
            background: #e0f2fe;
            color: #0369a1;
        }

        .guide-card-difficulty {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            z-index: 2;
            background: rgba(0,0,0,0.65);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .guide-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .guide-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }

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

        .guide-card-excerpt {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-light);
            padding-top: 4px;
            border-top: 1px solid var(--border-light);
        }

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

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--header-height) + 60px);
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 22px 20px;
        }

        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--accent);
        }

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

        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px;
            border-radius: var(--radius);
            transition: all var(--transition);
            cursor: pointer;
        }

        .hot-list-item:hover {
            background: var(--bg-alt);
        }

        .hot-rank {
            width: 26px;
            height: 26px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
            color: #fff;
        }

        .hot-rank.top1 { background: #ef4444; }
        .hot-rank.top2 { background: #f59e0b; }
        .hot-rank.top3 { background: #3b82f6; }
        .hot-rank.normal { background: #94a3b8; }

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

        .hot-info .hot-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-info .hot-meta {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud-item {
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .tag-cloud-item:hover {
            background: var(--primary-50);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        /* Load More */
        .load-more-section {
            text-align: center;
            margin-top: 36px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--surface);
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-load-more:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-load-more i {
            transition: transform var(--transition);
        }

        .btn-load-more:hover i {
            transform: translateY(2px);
        }

        /* FAQ Section */
        .faq-section {
            background: var(--surface);
            padding: 60px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 550px;
            margin: 0 auto;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .faq-item:hover {
            border-color: #cbd5e1;
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
            background: none;
            border: none;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-card-inner {
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-card-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-card-inner p {
            font-size: 1.05rem;
            color: #cbd5e1;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(59,130,246,0.4);
        }

        .btn-cta-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(59,130,246,0.5);
            transform: translateY(-2px);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: all var(--transition);
            margin-left: 12px;
        }

        .btn-cta-secondary:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }

        /* Footer */
        .footer {
            background: #0f172a;
            color: #e2e8f0;
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

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

        .footer ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.85rem;
            color: #64748b;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }

            .sidebar-card {
                flex: 1;
                min-width: 260px;
            }

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

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

            .category-hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                flex-wrap: wrap;
            }

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

            .nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
            }

            .nav.open {
                display: flex;
            }

            .nav a {
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 6px;
            }

            .nav a.active::after {
                display: none;
            }

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

            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .stat-card-dash {
                padding: 16px 14px;
                gap: 10px;
            }

            .stat-icon-dash {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }

            .stat-info-dash .stat-value-dash {
                font-size: 1.3rem;
            }

            .category-hero {
                padding: 40px 0 60px;
            }

            .category-hero-title {
                font-size: 1.8rem;
            }

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

            .filter-toolbar {
                gap: 8px;
            }

            .filter-result-count {
                margin-left: 0;
                width: 100%;
                margin-top: 4px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

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

            .cta-card-inner h2 {
                font-size: 1.6rem;
            }

            .btn-cta-secondary {
                margin-left: 0;
                margin-top: 10px;
            }

            .sidebar {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .stats-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-card-dash {
                padding: 14px 12px;
                gap: 8px;
            }

            .stat-icon-dash {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }

            .stat-info-dash .stat-value-dash {
                font-size: 1.15rem;
            }

            .stat-info-dash .stat-label-dash {
                font-size: 0.72rem;
            }

            .category-hero-title {
                font-size: 1.5rem;
            }

            .category-hero {
                padding: 32px 0 48px;
            }

            .guide-card-body {
                padding: 14px 16px 16px;
            }

            .guide-card-title {
                font-size: 0.95rem;
            }

            .filter-tags {
                gap: 4px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 0.78rem;
            }

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

            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .btn-cta-secondary {
                margin-left: 0;
                margin-top: 10px;
            }
        }