/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-dark: #152a45;
            --primary-light: #2a5080;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #a87a2e;
            --bg: #f7f8fa;
            --bg-alt: #eef1f5;
            --surface: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #5a6072;
            --text-muted: #8b909f;
            --border: #dde1e8;
            --border-light: #e8ecf1;
            --radius-sm: 8px;
            --radius: 12px;
            --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: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.13), 0 6px 18px rgba(0,0,0,0.06);
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
            --tabs-height: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-mini {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 220px;
        }

        .search-mini:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,150,62,0.12);
            background: var(--surface);
        }

        .search-mini input {
            flex: 1;
            background: transparent;
            color: var(--text);
            font-size: 0.9rem;
            min-width: 0;
        }

        .search-mini input::placeholder {
            color: var(--text-muted);
        }

        .search-icon {
            color: var(--text-muted);
            flex-shrink: 0;
            width: 16px;
            height: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.1px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(200,150,62,0.5);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(30,58,95,0.03);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(30,58,95,0.3);
            outline-offset: 3px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 28px;
            font-weight: 700;
        }

        .btn-ghost {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: rgba(255,255,255,0.4);
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(255,255,255,0.25);
            border-color: rgba(255,255,255,0.7);
        }

        /* Tabs Row */
        .header-row-tabs {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 6px 24px;
            height: var(--tabs-height);
            white-space: nowrap;
        }

        .tab-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            letter-spacing: 0.1px;
            cursor: pointer;
            user-select: none;
        }

        .tab-link:hover {
            color: var(--text);
            background: rgba(30,58,95,0.05);
        }

        .tab-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .tab-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .tab-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition);
        }

        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
            left: 0;
        }

        .mobile-menu-toggle span::before {
            top: -6px;
        }

        .mobile-menu-toggle span::after {
            top: 6px;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0d1f35 0%, #152a45 35%, #1e3a5f 65%, #1a3352 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.28;
            mix-blend-mode: soft-light;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,150,62,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(42,80,160,0.12) 0%, transparent 55%);
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-content {
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
            50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(74,222,128,0); }
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.6px;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        .hero h1 .accent-text {
            color: var(--accent-light);
            position: relative;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== FEATURE CARDS ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, rgba(30,58,95,0.08) 0%, rgba(200,150,62,0.12) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }

        .category-card-large {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .category-card-large:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .category-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }

        .category-card-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-card-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent);
            transition: gap var(--transition);
        }

        .category-card-large:hover .category-card-link {
            gap: 10px;
        }

        .category-card-link svg {
            width: 16px;
            height: 16px;
        }

        /* ========== CMS LIST ========== */
        .cms-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .cms-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .cms-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .cms-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 2;
        }

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

        .cms-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .cms-card-body h3 a:hover {
            color: var(--accent);
        }

        .cms-card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .cms-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ========== STATS ========== */
        .stats-band {
            background: var(--primary);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 16px;
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .stat-number .plus {
            color: var(--accent-light);
        }

        .stat-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-top: 8px;
            line-height: 1.4;
        }

        /* ========== STEPS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px 24px;
            border: 1px solid var(--border-light);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            letter-spacing: 0.5px;
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            background: transparent;
            transition: color var(--transition);
            line-height: 1.4;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            font-size: 1.1rem;
            color: var(--text-muted);
            font-weight: 600;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #0d1f35 0%, #1e3a5f 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.72);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a28;
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

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

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
            font-size: 0.88rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

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

            .category-entry-grid {
                grid-template-columns: 1fr;
            }

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

            .hero h1 {
                font-size: 2.4rem;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

            .search-mini {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --tabs-height: 44px;
            }

            .header-row-top {
                padding: 0 16px;
                gap: 12px;
            }

            .search-mini {
                display: none;
            }

            .header-actions .btn-outline {
                display: none;
            }

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

            .header-row-tabs {
                display: none;
            }

            .header-row-tabs.mobile-open {
                display: block;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow);
                z-index: 999;
            }

            .tabs-nav {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 8px 16px;
                gap: 2px;
            }

            .tab-link {
                border-radius: var(--radius-sm);
                padding: 10px 16px;
                justify-content: center;
            }

            .hero {
                min-height: 440px;
            }

            .hero h1 {
                font-size: 1.9rem;
            }

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

            .hero-stats {
                gap: 24px;
                margin-top: 32px;
            }

            .hero-stat-value {
                font-size: 1.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cms-list-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .steps-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .section {
                padding: 48px 0;
            }

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

            .section-header h2 {
                font-size: 1.5rem;
            }

            .category-entry-grid {
                grid-template-columns: 1fr;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }

            .footer-brand-desc {
                max-width: 100%;
            }

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

            .logo-link {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.55rem;
            }

            .hero-desc {
                font-size: 0.9rem;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-card {
                padding: 24px 18px 20px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .section {
                padding: 36px 0;
            }

            .section-header h2 {
                font-size: 1.35rem;
            }

            .container {
                padding: 0 14px;
            }

            .cms-card-body {
                padding: 16px 16px 18px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a365d;
            --color-primary-light: #1e4d8c;
            --color-primary-dark: #0f2340;
            --color-accent: #c7841a;
            --color-accent-light: #e89a2c;
            --color-accent-dark: #9e6512;
            --color-accent-soft: #fef7ed;
            --color-bg: #f7f8fa;
            --color-bg-alt: #edf0f5;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-strong: #0f172a;
            --color-text-weak: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-error: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --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-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.09), 0 4px 8px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.11), 0 8px 16px rgba(0,0,0,0.05);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
            --max-width-article: 780px;
            --header-height: 64px;
            --nav-tabs-height: 48px;
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 400ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul, ol {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        .container--article {
            max-width: var(--max-width-article);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== HEADER ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 var(--spacing-lg);
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .header-brand i {
            color: var(--color-accent);
            font-size: 1.35rem;
        }

        .header-brand:hover {
            color: var(--color-primary-light);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(199, 132, 26, 0.1);
            background: var(--color-surface);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            width: 140px;
            color: var(--color-text);
        }

        .header-search input::placeholder {
            color: var(--color-text-muted);
        }

        .header-search button {
            color: var(--color-text-weak);
            padding: 2px;
            transition: color var(--transition-fast);
        }

        .header-search button:hover {
            color: var(--color-accent);
        }

        .header-cta-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }

        .header-cta-btn:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .header-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-xs);
        }

        /* ===== TABS NAV ===== */
        .tabs-nav-wrapper {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .tabs-nav-wrapper::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            height: var(--nav-tabs-height);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .tab-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            position: relative;
            flex-shrink: 0;
        }

        .tab-link:hover {
            color: var(--color-text);
            background: rgba(0,0,0,0.04);
        }

        .tab-link.active {
            background: var(--color-surface);
            color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

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

        /* ===== MAIN ===== */
        .site-main {
            flex: 1;
            padding-bottom: var(--spacing-4xl);
        }

        /* ===== ARTICLE BANNER ===== */
        .article-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            min-height: 240px;
            display: flex;
            align-items: flex-end;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,54,93,0.82) 0%, rgba(15,35,64,0.9) 100%);
            z-index: 1;
        }

        .article-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: var(--spacing-lg);
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: rgba(255,255,255,0.45);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .article-date {
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.01em;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }

        /* ===== ARTICLE CONTENT AREA ===== */
        .article-content-section {
            padding: var(--spacing-2xl) 0;
            background: var(--color-bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-2xl);
            align-items: start;
        }

        .article-body {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .article-cover-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--spacing-xl);
            box-shadow: var(--shadow-md);
        }

        .article-cover-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        .article-text {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-text h2 {
            font-size: 1.5rem;
            margin-top: var(--spacing-xl);
            margin-bottom: var(--spacing-md);
            color: var(--color-primary);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--color-border-light);
        }

        .article-text h3 {
            font-size: 1.25rem;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-strong);
        }

        .article-text p {
            margin-bottom: var(--spacing-md);
        }

        .article-text ul, .article-text ol {
            margin-bottom: var(--spacing-md);
            padding-left: var(--spacing-xl);
        }

        .article-text ul {
            list-style: disc;
        }

        .article-text ol {
            list-style: decimal;
        }

        .article-text li {
            margin-bottom: var(--spacing-xs);
        }

        .article-text blockquote {
            border-left: 4px solid var(--color-accent);
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            background: var(--color-accent-soft);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-weak);
        }

        .article-text strong {
            color: var(--color-text-strong);
            font-weight: 700;
        }

        .article-text img {
            border-radius: var(--radius-md);
            margin: var(--spacing-lg) auto;
            box-shadow: var(--shadow-sm);
        }

        .article-divider {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: var(--spacing-xl) 0;
        }

        .article-tags-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-lg);
        }

        .article-tags-row span.label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        .tag-pill {
            display: inline-block;
            background: var(--color-bg-alt);
            color: var(--color-text-weak);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .tag-pill:hover {
            background: var(--color-surface);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== SIDEBAR ===== */
        .article-sidebar {
            position: sticky;
            top: calc(var(--header-height) + var(--nav-tabs-height) + var(--spacing-lg));
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: var(--spacing-lg);
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--color-accent);
            font-size: 0.9rem;
        }

        .sidebar-mini-list li {
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .sidebar-mini-list li:last-child {
            border-bottom: none;
        }

        .sidebar-mini-list a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .sidebar-mini-list a:hover {
            color: var(--color-accent);
        }

        .sidebar-mini-list .mini-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
        }

        .sidebar-cta-box h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: var(--spacing-sm);
        }

        .sidebar-cta-box p {
            font-size: 0.85rem;
            opacity: 0.85;
            margin-bottom: var(--spacing-md);
        }

        .sidebar-cta-box .btn-cta-sidebar {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-md);
        }

        .sidebar-cta-box .btn-cta-sidebar:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* ===== NOT FOUND STATE ===== */
        .not-found-block {
            text-align: center;
            padding: var(--spacing-4xl) var(--spacing-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .not-found-block .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            margin-bottom: var(--spacing-lg);
            font-size: 2rem;
            color: var(--color-text-muted);
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            margin-bottom: var(--spacing-sm);
        }

        .not-found-block p {
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-xl);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-md);
        }

        .btn-back-home:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* ===== RELATED POSTS ===== */
        .related-section {
            padding: var(--spacing-2xl) 0 var(--spacing-3xl);
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-2xl);
        }

        .section-label {
            display: inline-block;
            background: var(--color-accent-soft);
            color: var(--color-accent-dark);
            padding: 5px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-text-strong);
            letter-spacing: -0.01em;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .related-card {
            background: var(--color-surface);
            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 {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }

        .related-card-body {
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-cat {
            font-size: 0.75rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
        }

        .related-card-title {
            font-weight: 700;
            font-size: 1rem;
            line-height: 1.4;
            color: var(--color-text-strong);
            margin-bottom: var(--spacing-sm);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .related-empty {
            text-align: center;
            grid-column: 1 / -1;
            padding: var(--spacing-2xl);
            color: var(--color-text-weak);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: var(--spacing-3xl) 0;
            background: var(--color-surface);
        }

        .cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0f2b4d 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-3xl) var(--spacing-2xl);
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            pointer-events: none;
        }

        .cta-card > * {
            position: relative;
            z-index: 2;
        }

        .cta-card h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.01em;
        }

        .cta-card p {
            font-size: 1.1rem;
            opacity: 0.85;
            margin-bottom: var(--spacing-xl);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(199,132,26,0.35);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 28px rgba(199,132,26,0.5);
            transform: translateY(-2px);
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.8);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            opacity: 0.7;
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--color-accent-light);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            opacity: 0.6;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

            .article-sidebar {
                position: static;
            }

            .article-banner-title {
                font-size: 1.8rem;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --nav-tabs-height: 44px;
            }

            .header-top {
                padding: 0 var(--spacing-md);
                gap: var(--spacing-sm);
            }

            .header-brand {
                font-size: 1.05rem;
            }

            .header-search input {
                width: 100px;
            }

            .header-cta-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .tabs-nav {
                gap: 2px;
                padding: 0 var(--spacing-sm);
            }

            .tab-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .article-banner {
                padding: var(--spacing-2xl) 0 var(--spacing-xl);
                min-height: 180px;
            }

            .article-banner-title {
                font-size: 1.45rem;
            }

            .article-body {
                padding: var(--spacing-lg);
            }

            .article-text {
                font-size: 0.98rem;
                line-height: 1.75;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .cta-card {
                padding: var(--spacing-xl) var(--spacing-lg);
            }

            .cta-card h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }

            .header-search {
                display: none;
            }

            .header-cta-btn {
                font-size: 0.75rem;
                padding: 6px 12px;
            }

            .article-banner-title {
                font-size: 1.25rem;
            }

            .article-body {
                padding: var(--spacing-md);
                border-radius: var(--radius-md);
            }

            .article-text {
                font-size: 0.93rem;
                line-height: 1.7;
            }

            .article-text h2 {
                font-size: 1.2rem;
            }

            .article-text h3 {
                font-size: 1.05rem;
            }

            .article-cover-image {
                border-radius: var(--radius-sm);
                margin-bottom: var(--spacing-md);
            }

            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px;
            }

            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (min-width: 1400px) {
            .article-banner {
                min-height: 300px;
            }

            .article-banner-title {
                font-size: 2.6rem;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #c8963e;
            --primary-hover: #d4a853;
            --primary-light: #e8c97a;
            --primary-dark: #9a6f2a;
            --primary-bg: rgba(200, 150, 62, 0.08);
            --primary-bg-hover: rgba(200, 150, 62, 0.15);
            --primary-border: rgba(200, 150, 62, 0.3);

            --bg-root: #070a0f;
            --bg-dark: #0a0e16;
            --bg-section: #0d1119;
            --bg-card: #11161f;
            --bg-card-hover: #161c28;
            --bg-elevated: #181e2a;
            --bg-input: #0f131c;

            --text-primary: #e8eaef;
            --text-secondary: #bcc1ca;
            --text-muted: #7d8490;
            --text-inverse: #0a0e16;

            --border-default: #1e2430;
            --border-light: #262d3a;
            --border-focus: rgba(200, 150, 62, 0.5);

            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;

            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.55);
            --shadow-gold: 0 0 20px rgba(200, 150, 62, 0.15);
            --shadow-gold-lg: 0 0 40px rgba(200, 150, 62, 0.2);

            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", "Monaco", monospace;

            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;

            --header-height: 130px;
            --header-top-height: 60px;
            --nav-height: 50px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;

            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-root);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-xs);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        .container--wide {
            max-width: var(--container-wide);
        }

        /* ============ Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-top-height);
            padding: 0 var(--spacing-lg);
            max-width: var(--container-wide);
            margin: 0 auto;
            gap: var(--spacing-lg);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-base);
        }

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

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-input);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            gap: var(--spacing-xs);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-gold);
        }

        .header-search input {
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
            width: 160px;
            padding: 4px 0;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-header-cta:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }

        /* ============ 频道Tabs导航 ============ */
        .header-nav {
            border-top: 1px solid var(--border-default);
            background: var(--bg-section);
        }

        .header-nav-inner {
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            display: flex;
            align-items: center;
            height: var(--nav-height);
            overflow-x: auto;
            overflow-y: hidden;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: var(--spacing-xs);
        }

        .header-nav-inner::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
        }

        .tab-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .tab-link:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }

        .tab-link.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-bg);
            box-shadow: inset 0 0 0 1px var(--primary-border);
        }

        .tab-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-scroll-fade-left,
        .nav-scroll-fade-right {
            display: none;
            position: absolute;
            top: 0;
            bottom: 0;
            width: 40px;
            pointer-events: none;
            z-index: 2;
        }

        /* ============ 板块通用样式 ============ */
        .section {
            padding: var(--spacing-4xl) 0;
        }

        .section--dark {
            background: var(--bg-dark);
        }

        .section--darker {
            background: var(--bg-root);
        }

        .section--elevated {
            background: var(--bg-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .section-header h2 .highlight {
            color: var(--primary);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            background: var(--primary-bg);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            border: 1px solid var(--primary-border);
        }

        /* ============ Banner / Hero ============ */
        .category-banner {
            position: relative;
            padding: var(--spacing-5xl) 0 var(--spacing-4xl);
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .category-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(7, 10, 15, 0.85) 0%,
                    rgba(10, 14, 22, 0.7) 40%,
                    rgba(13, 17, 25, 0.9) 100%);
            z-index: 1;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .category-banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-lg);
        }

        .category-banner-breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        .category-banner-breadcrumb .separator {
            color: var(--text-muted);
        }

        .category-banner-breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }

        .category-banner h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: var(--spacing-xl);
        }

        .banner-stats-row {
            display: flex;
            gap: var(--spacing-2xl);
            flex-wrap: wrap;
            justify-content: center;
        }

        .banner-stat {
            text-align: center;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            min-width: 110px;
        }

        .banner-stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ============ 指南卡片网格 ============ */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }

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

        .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-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            letter-spacing: 0.04em;
            z-index: 1;
        }

        .guide-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        .guide-card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition-base);
        }

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

        .guide-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-md);
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-default);
        }

        .guide-card-tag {
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 500;
            border: 1px solid var(--primary-border);
        }

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn--primary {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            box-shadow: var(--shadow-gold);
            border: none;
        }

        .btn--primary:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }

        .btn--outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary-border);
        }

        .btn--outline:hover {
            background: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary-hover);
            transform: translateY(-1px);
        }

        .btn--outline:active {
            transform: translateY(0);
        }

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

        .btn--ghost:hover {
            color: var(--text-primary);
            background: var(--bg-card);
            border-color: var(--border-default);
        }

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

        .btn--lg {
            padding: 14px 30px;
            font-size: 1.05rem;
        }

        /* ============ 流程步骤 ============ */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
            counter-reset: step-counter;
        }

        .step-item {
            display: flex;
            gap: var(--spacing-lg);
            padding: var(--spacing-xl);
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
            position: relative;
            align-items: flex-start;
        }

        .step-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }

        .step-number {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            box-shadow: var(--shadow-gold);
        }

        .step-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.01em;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ 特色参数卡片 ============ */
        .feature-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 1.4rem;
            color: var(--primary);
            border: 1px solid var(--primary-border);
        }

        .feature-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .feature-card-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
        }

        /* ============ 内容列表 ============ */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .content-list-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .content-list-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .content-list-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }

        .content-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .content-list-info h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-info h3 a {
            color: var(--text-primary);
            transition: color var(--transition-base);
        }

        .content-list-info h3 a:hover {
            color: var(--primary);
        }

        .content-list-info .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .content-list-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 1rem;
            transition: color var(--transition-base), transform var(--transition-base);
        }

        .content-list-item:hover .content-list-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            padding: var(--spacing-lg) var(--spacing-xl);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            user-select: none;
            transition: color var(--transition-base);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.8rem;
            transition: transform var(--transition-base), background var(--transition-base);
        }

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

        .faq-answer {
            padding: 0 var(--spacing-xl) var(--spacing-lg);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ============ CTA板块 ============ */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 150, 62, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(200, 150, 62, 0.04) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-card {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: var(--spacing-3xl) var(--spacing-2xl);
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xl);
            font-size: 1rem;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-default);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-default);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }

            .feature-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }

            .category-banner h1 {
                font-size: 2.2rem;
            }

            .banner-stats-row {
                gap: var(--spacing-lg);
            }

            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-top-height: 52px;
                --nav-height: 44px;
                --header-height: 96px;
            }

            .header-top {
                padding: 0 var(--spacing-md);
                gap: var(--spacing-sm);
            }

            .header-logo {
                font-size: 1rem;
            }

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

            .header-search input {
                width: 100px;
            }

            .btn-header-cta {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .header-nav-inner {
                padding: 0 var(--spacing-sm);
            }

            .tab-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .feature-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .category-banner {
                padding: var(--spacing-3xl) 0 var(--spacing-2xl);
                min-height: 320px;
            }

            .category-banner h1 {
                font-size: 1.8rem;
            }

            .category-banner .banner-desc {
                font-size: 0.95rem;
            }

            .banner-stats-row {
                gap: var(--spacing-md);
            }

            .banner-stat {
                min-width: 80px;
                padding: var(--spacing-sm) var(--spacing-md);
            }

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

            .banner-stat-label {
                font-size: 0.75rem;
            }

            .section {
                padding: var(--spacing-2xl) 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .section-header p {
                font-size: 0.9rem;
            }

            .step-item {
                flex-direction: column;
                gap: var(--spacing-md);
                padding: var(--spacing-lg);
            }

            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }

            .content-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-md);
                padding: var(--spacing-md);
            }

            .content-list-thumb {
                width: 100%;
                height: 160px;
            }

            .content-list-arrow {
                align-self: flex-end;
            }

            .cta-card {
                padding: var(--spacing-xl) var(--spacing-lg);
            }

            .cta-card h2 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

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

            .faq-question {
                padding: var(--spacing-md);
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 var(--spacing-md) var(--spacing-md);
            }

            .container {
                padding: 0 var(--spacing-md);
            }

            .feature-card {
                padding: var(--spacing-lg);
            }

            .feature-card-value {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .header-search {
                display: none;
            }

            .btn-header-cta {
                font-size: 0.75rem;
                padding: 5px 10px;
            }

            .header-logo {
                font-size: 0.9rem;
            }

            .category-banner h1 {
                font-size: 1.5rem;
            }

            .banner-stats-row {
                flex-direction: column;
                align-items: center;
                gap: var(--spacing-sm);
            }

            .banner-stat {
                width: 100%;
                max-width: 200px;
            }

            .feature-cards-grid {
                grid-template-columns: 1fr;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .guide-card-body h3 {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .tab-link {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }

        .text-primary {
            color: var(--primary);
        }

        .mt-sm {
            margin-top: var(--spacing-sm);
        }

        .mt-md {
            margin-top: var(--spacing-md);
        }

        .mt-lg {
            margin-top: var(--spacing-lg);
        }

        .mt-xl {
            margin-top: var(--spacing-xl);
        }

        .mb-sm {
            margin-bottom: var(--spacing-sm);
        }

        .mb-md {
            margin-bottom: var(--spacing-md);
        }

        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

        .mb-xl {
            margin-bottom: var(--spacing-xl);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }