/* roulang page: index */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #818cf8;
            --accent: #06b6d4;
            --bg-light: #f8fafc;
            --text-body: #334155;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius: 16px;
            --shadow-card: 0 2px 12px rgba(79, 70, 229, 0.08);
            --shadow-hover: 0 12px 32px rgba(79, 70, 229, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            color: var(--text-body);
            line-height: 1.6;
            background: #fff;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .logo-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #4f46e5, #818cf8);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 4px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            margin-left: 6px;
            vertical-align: middle;
            letter-spacing: 0.03em;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 999px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-body);
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 24px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid #f1f5f9;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 27, 75, 0.78) 50%, rgba(6, 182, 212, 0.35) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 10;
            padding: 96px 0 112px;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #f1f5f9;
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: #fbbf24;
        }

        .hero-content h1 {
            font-size: 3.25rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
        }

        .hero-content h1 .gradient-text {
            background: linear-gradient(90deg, #a5b4fc, #67e8f9);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 999px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(79, 70, 229, 0.5);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 500;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 999px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* Stats */
        .stats-band {
            background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
            padding: 56px 0;
            position: relative;
        }

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

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .stat-num span {
            color: #818cf8;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: #94a3b8;
            margin-top: 8px;
        }

        /* Section titles */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            color: #4f46e5;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Category cards */
        .category-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            display: block;
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            border: 1px solid #f1f5f9;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .category-card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.6), transparent 60%);
        }

        .category-card-body {
            padding: 24px;
        }

        .category-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }

        .category-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 14px;
            transition: gap 0.3s ease;
        }

        .category-card:hover .card-link {
            gap: 12px;
        }

        .cat-count-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 700;
            color: #4f46e5;
            z-index: 10;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        /* News card */
        .news-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #f1f5f9;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .news-card-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

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

        .news-card-body .tag {
            display: inline-block;
            background: #eef2ff;
            color: #4f46e5;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            width: fit-content;
            margin-bottom: 10px;
        }

        .news-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.45;
            margin-bottom: 8px;
            transition: color 0.2s;
        }

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

        .news-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            flex: 1;
            line-height: 1.6;
        }

        .news-card-body .date {
            font-size: 0.78rem;
            color: #94a3b8;
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Features */
        .features-section {
            background: #f8fafc;
        }

        .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px 24px;
            text-align: center;
            border: 1px solid #f1f5f9;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 68px;
            height: 68px;
            border-radius: 20px;
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin: 0 auto 20px;
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

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

        /* Process */
        .process-step {
            position: relative;
            text-align: center;
            padding: 24px 20px;
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            max-width: 240px;
            margin: 0 auto;
        }

        .process-arrow {
            position: absolute;
            top: 40px;
            right: -20px;
            color: #cbd5e1;
            font-size: 1.2rem;
            z-index: 1;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: #c7d2fe;
            box-shadow: 0 4px 16px rgba(79, 70, 229, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: #0f172a;
            cursor: pointer;
            background: none;
            border: none;
            text-align: left;
            font-family: inherit;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #eef2ff;
            color: #4f46e5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all 0.3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #4f46e5;
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
        }

        .faq-answer-inner {
            padding-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 60%, #312e81 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.3);
            filter: blur(80px);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(6, 182, 212, 0.2);
            filter: blur(60px);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 0;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 500px;
            margin: 0 auto 32px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 999px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.5);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-brand {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 320px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #a5b4fc;
        }

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding-top: 24px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: #a5b4fc;
        }

        /* Utility */
        .section-padding {
            padding: 88px 0;
        }

        /* Mobile responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }

            .hero-content h1 {
                font-size: 2.6rem;
            }

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

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.active {
                display: block;
            }

            .hero-content {
                padding: 64px 0 80px;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-content p {
                font-size: 1rem;
            }

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

            .section-padding {
                padding: 64px 0;
            }

            .process-arrow {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-item .stat-num {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

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

            .hero-content h1 {
                font-size: 1.6rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item {
                padding: 12px;
            }

            .stat-item .stat-num {
                font-size: 1.7rem;
            }

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

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

        /* Focus states */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(79, 70, 229, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #6d5efc;
            --primary-dark: #5747e0;
            --primary-light: #eef0ff;
            --accent: #ffb830;
            --accent-light: #fff5e6;
            --bg: #f6f7fc;
            --bg-dark: #1c2036;
            --text: #1c2036;
            --text-muted: #6b7280;
            --border: #e6e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-1: 0 4px 14px rgba(28, 32, 54, 0.06);
            --shadow-2: 0 14px 40px rgba(28, 32, 54, 0.1);
            --transition: all .3s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container-custom {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 84px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.7rem, 4vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.02rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(230, 232, 240, 0.8);
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 32, 54, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #9a5cff);
            color: #fff;
            border-radius: 12px;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(109, 94, 252, 0.32);
            transition: var(--transition);
        }

        .logo-brand:hover .logo-icon {
            transform: rotate(-6deg) scale(1.05);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-links a {
            position: relative;
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-muted);
            padding: 8px 2px;
            transition: color .2s;
        }

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

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2.5px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-badge {
            display: inline-block;
            margin-left: 5px;
            padding: 2px 8px;
            font-size: .62rem;
            font-weight: 700;
            background: var(--accent-light);
            color: #e67e22;
            border-radius: 999px;
            vertical-align: middle;
        }

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

        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            font-size: .88rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(109, 94, 252, 0.22);
        }

        .btn-header:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(109, 94, 252, 0.3);
        }

        .btn-header:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(109, 94, 252, 0.2);
        }

        .btn-header:focus-visible {
            outline: 3px solid rgba(109, 94, 252, 0.35);
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            font-size: 1.05rem;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 128px 0 110px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 18, 40, 0.82) 0%, rgba(28, 20, 52, 0.72) 60%, rgba(58, 34, 88, 0.62) 100%);
        }

        .hero .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            margin-bottom: 22px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero-title {
            font-size: clamp(2.2rem, 6vw, 4rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            max-width: 720px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.08rem;
            line-height: 1.8;
        }

        .hero-search {
            max-width: 620px;
            margin: 0 auto 28px;
            display: flex;
            background: #fff;
            border-radius: 999px;
            padding: 6px;
            box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
        }

        .hero-search input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: .96rem;
            border-radius: 999px;
            background: transparent;
            color: var(--text);
        }

        .hero-search input::placeholder {
            color: #9aa0b5;
        }

        .hero-search button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-size: .92rem;
            font-weight: 700;
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition);
        }

        .hero-search button:hover {
            background: var(--primary-dark);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }

        .tag-chip i {
            font-size: .7rem;
            color: var(--accent);
        }

        .tag-chip:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-2);
            border-color: transparent;
        }

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

        .category-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .category-card:hover .category-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .category-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .category-card p {
            font-size: .88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .category-link {
            font-size: .86rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }

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

        /* ===== Guide Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .guide-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-2);
        }

        .guide-image {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .guide-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }

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

        .guide-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.18), transparent 50%);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: .72rem;
            font-weight: 700;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .guide-body {
            padding: 22px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
            transition: color .2s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .guide-excerpt {
            font-size: .85rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .guide-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: .78rem;
            color: var(--text-muted);
        }

        .guide-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .guide-meta-item i {
            font-size: .72rem;
            color: var(--primary);
        }

        /* ===== Stats ===== */
        .stats-section {
            background-color: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 32, 54, 0.94), rgba(45, 34, 70, 0.88));
        }

        .stats-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-number em {
            font-style: normal;
            color: var(--accent);
        }

        .stat-label {
            font-size: .92rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ===== Feature Panel ===== */
        .feature-panel {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 48px;
            align-items: center;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            overflow: hidden;
        }

        .feature-image {
            height: 100%;
            min-height: 340px;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-content {
            padding: 44px 44px 44px 0;
        }

        .feature-tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--accent-light);
            color: #c97a14;
            font-size: .76rem;
            font-weight: 700;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: .03em;
        }

        .feature-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .feature-content p {
            font-size: .95rem;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .feature-list {
            margin: 18px 0 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: .92rem;
            color: var(--text);
            margin-bottom: 12px;
        }

        .feature-list li i {
            color: var(--primary);
            font-size: .9rem;
            margin-top: 4px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-size: .92rem;
            font-weight: 700;
            border-radius: 12px;
            transition: var(--transition);
            box-shadow: 0 6px 18px rgba(109, 94, 252, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(109, 94, 252, 0.32);
        }

        /* ===== Steps ===== */
        .steps-section {
            background: #fff;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-item {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid transparent;
            transition: var(--transition);
            position: relative;
        }

        .step-item:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .step-num {
            width: 46px;
            height: 46px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            border-radius: 50%;
            box-shadow: 0 6px 16px rgba(109, 94, 252, 0.3);
        }

        .step-title {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-text {
            font-size: .86rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: rgba(109, 94, 252, 0.35);
            box-shadow: var(--shadow-1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: .98rem;
            font-weight: 700;
            color: var(--text);
            transition: color .2s;
            user-select: none;
        }

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

        .faq-question i {
            font-size: .82rem;
            color: var(--text-muted);
            transition: transform .3s, color .3s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

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

        .faq-answer p {
            padding: 0 24px 22px;
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), #8f5cff);
            padding: 84px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 300%;
            background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1), transparent 60%);
            border-radius: 50%;
        }

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

        .cta-title {
            font-size: clamp(1.7rem, 4vw, 2.5rem);
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-text {
            max-width: 620px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: #fff;
            color: var(--primary);
            font-size: .95rem;
            font-weight: 700;
            border-radius: 12px;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 12px;
            transition: var(--transition);
            margin-left: 12px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #151829;
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 42px;
        }

        .footer-brand .logo-brand {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: .88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
            margin-top: 4px;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: .88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, 0.45);
        }

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

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

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

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

            .feature-content {
                padding: 24px;
            }

            .nav-links {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                border-bottom: 1px solid var(--border);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 4px;
                font-size: 1rem;
                border-bottom: 1px solid var(--border);
            }

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

            .nav-links a.active {
                color: var(--primary);
                background: var(--primary-light);
                border-radius: 8px;
                padding-left: 12px;
            }

            .mobile-toggle {
                display: flex;
            }

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

            .hero {
                padding: 90px 0 80px;
            }

            .hero-search {
                flex-direction: column;
                background: transparent;
                box-shadow: none;
                gap: 10px;
            }

            .hero-search input {
                background: #fff;
                border-radius: 999px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            }

            .hero-search button {
                justify-content: center;
                box-shadow: 0 8px 24px rgba(109, 94, 252, 0.35);
            }

            .section {
                padding: 64px 0;
            }
        }

        @media (max-width: 560px) {
            .category-grid,
            .guide-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .btn-outline {
                margin-left: 0;
                margin-top: 12px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .hero-title {
                font-size: 2rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: article */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bcf;
            --primary-light: #a29bfe;
            --accent: #00cec9;
            --dark-bg: #14142b;
            --dark-bg-2: #1e1e3a;
            --light-bg: #f5f6fa;
            --card-bg: #ffffff;
            --text-main: #1e2235;
            --text-soft: #6b7280;
            --text-light: #a0a3b8;
            --border: #e8eaf2;
            --radius-xl: 24px;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(20, 20, 43, 0.06);
            --shadow-md: 0 8px 24px rgba(20, 20, 43, 0.08);
            --shadow-lg: 0 16px 40px rgba(20, 20, 43, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background: var(--light-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(20, 20, 43, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: var(--transition);
        }
        .logo-brand:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), #8b7cf8);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-soft);
            position: relative;
            padding: 8px 2px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .nav-badge {
            font-size: 0.7rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ff7675, #e17055);
            color: #fff;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 2px;
            line-height: 1.4;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.4);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: #f5f3ff;
            color: var(--primary);
        }
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 88px 0 100px;
            color: #fff;
            isolation: isolate;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 43, 0.94), rgba(108, 92, 231, 0.72));
            z-index: -1;
        }
        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb-sep {
            opacity: 0.6;
        }
        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), #00b894);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            box-shadow: 0 4px 14px rgba(0, 206, 201, 0.35);
        }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-main {
            position: relative;
            z-index: 3;
            margin-top: -50px;
            padding-bottom: 30px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 48px;
            max-width: 980px;
            margin: 0 auto;
            transition: var(--transition);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #2d3040;
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 2em 0 0.8em;
            padding-bottom: 0.4em;
            border-bottom: 2px solid #f0f1f6;
            color: var(--text-main);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.8em 0 0.6em;
            color: var(--text-main);
        }
        .article-body img {
            border-radius: var(--radius-lg);
            margin: 2em 0;
            box-shadow: var(--shadow-md);
        }
        .article-body ul,
        .article-body ol {
            margin: 1.2em 0 1.6em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #f8f7ff;
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.8em 0;
            color: #555;
        }
        .article-body a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid rgba(108, 92, 231, 0.3);
            transition: var(--transition);
        }
        .article-body a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }
        .article-body pre {
            background: var(--dark-bg);
            color: #e6e6f0;
            padding: 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 0.92rem;
            margin: 1.8em 0;
            line-height: 1.6;
        }
        .article-body code {
            background: #f1f1f8;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 42px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }
        .tags-label {
            font-weight: 600;
            color: var(--text-soft);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .tag-chip {
            display: inline-block;
            background: #f1f0ff;
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid rgba(108, 92, 231, 0.18);
            transition: var(--transition);
        }
        .tag-chip:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .not-found-card,
        .empty-content {
            text-align: center;
            padding: 40px 20px 20px;
        }
        .not-found-card .icon-wrap,
        .empty-content .icon-wrap {
            font-size: 3rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .not-found-card h2,
        .empty-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-card p,
        .empty-content p {
            color: var(--text-soft);
            margin-bottom: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: 999px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 18px rgba(108, 92, 231, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(108, 92, 231, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
            border-color: #fff;
        }
        .btn-violet {
            background: transparent;
            color: var(--primary);
            border-color: rgba(108, 92, 231, 0.3);
        }
        .btn-violet:hover {
            background: rgba(108, 92, 231, 0.08);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .related-section {
            padding: 80px 0 60px;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            gap: 14px;
        }
        .section-head h2 {
            font-size: 1.8rem;
            font-weight: 800;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 5px;
            border-radius: 6px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .link-more:hover {
            gap: 12px;
            color: var(--primary-dark);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.2);
        }
        .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef0f6;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.05);
        }
        .related-info {
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .related-badge {
            display: inline-block;
            background: #f1f0ff;
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            width: fit-content;
            margin-bottom: 4px;
        }
        .related-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 2.8em;
        }
        .related-desc {
            color: var(--text-soft);
            font-size: 0.85rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-foot {
            margin-top: auto;
            padding-top: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-soft);
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }
        .cta-section {
            padding: 60px 0 90px;
        }
        .cta-box {
            background: linear-gradient(135deg, #14142b, #2d2b55);
            border-radius: var(--radius-xl);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.4);
            filter: blur(80px);
            top: -120px;
            left: 10%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 206, 201, 0.3);
            filter: blur(70px);
            bottom: -100px;
            right: 15%;
        }
        .cta-box>* {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer {
            background: #101026;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo-brand {
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 16px;
                right: 16px;
                background: #fff;
                flex-direction: column;
                gap: 4px;
                padding: 16px;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                display: none;
                z-index: 200;
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 14px;
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-links a:hover {
                background: #f5f3ff;
            }
            .nav-links a.active::after {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .header-inner {
                height: 64px;
            }
            .article-hero {
                padding: 56px 0 80px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-main {
                margin-top: -30px;
            }
            .article-card {
                padding: 28px 22px;
                border-radius: var(--radius-lg);
            }
            .related-section {
                padding: 56px 0 40px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 24px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-box {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-brand {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 6px;
            }
            .related-info {
                padding: 18px;
            }
            .related-info h3 {
                font-size: 1rem;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(108, 92, 231, 0.5);
            outline-offset: 2px;
            border-radius: 8px;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6d5efc;
            --primary-dark: #5546e8;
            --primary-light: #8f82ff;
            --accent: #ff7e36;
            --accent-light: #ffa064;
            --bg-night: #0e0e1b;
            --bg-card: #1c1c30;
            --bg-card-light: #22223a;
            --text-main: #e9e9f2;
            --text-sub: #9da0b8;
            --border-soft: rgba(255, 255, 255, 0.08);
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-card: 0 4px 24px rgba(109, 94, 252, 0.08);
            --shadow-card-hover: 0 8px 36px rgba(109, 94, 252, 0.18);
            --container-max: 1200px;
            --space-section: 5.5rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', sans-serif;
            background-color: var(--bg-night);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(109, 94, 252, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(109, 94, 252, 0.45);
        }

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

        .btn-sm {
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
        }

        .btn-outline {
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(109, 94, 252, 0.1);
            transform: translateY(-2px);
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 14, 27, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            transition: box-shadow 0.3s ease;
        }

        .site-header:hover {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1.5rem;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(109, 94, 252, 0.45);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-sub);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(109, 94, 252, 0.2);
            box-shadow: inset 0 0 0 1px rgba(109, 94, 252, 0.3);
        }

        .nav-badge {
            background: var(--accent);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 0.12rem 0.45rem;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-soft);
            color: var(--text-main);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary-light);
        }

        /* ===== 分类横幅 ===== */
        .category-banner {
            position: relative;
            padding: 6.2rem 0 5.5rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 14, 27, 0.65) 0%, rgba(14, 14, 27, 0.88) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: rgba(109, 94, 252, 0.2);
            border: 1px solid rgba(109, 94, 252, 0.4);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 1.2rem;
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 1px;
            color: #fff;
            margin-bottom: 1rem;
        }

        .banner-content h1 .accent-text {
            color: var(--primary-light);
        }

        .banner-content .banner-desc {
            font-size: 1.05rem;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.2rem;
            margin-top: 1.8rem;
        }

        .banner-stats .stat-item {
            text-align: left;
        }

        .banner-stats .stat-num {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .banner-stats .stat-num i {
            color: var(--accent);
            font-size: 1.3rem;
            margin-right: 0.25rem;
        }

        .banner-stats .stat-label {
            font-size: 0.82rem;
            color: var(--text-sub);
            margin-top: 0.2rem;
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: var(--space-section) 0;
        }

        .section-block.bg-light {
            background: #12122a;
        }

        .section-head {
            margin-bottom: 2.8rem;
        }

        .section-head .section-tag {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 0.5rem;
            display: inline-block;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 0.6rem;
        }

        .section-head p {
            color: var(--text-sub);
            max-width: 640px;
            font-size: 0.98rem;
        }

        /* ===== 重点评测 ===== */
        .feature-card {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.35s ease, transform 0.35s ease;
        }

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

        .feature-cover {
            position: relative;
            min-height: 320px;
        }

        .feature-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .feature-cover .feature-label {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .feature-cover .score-circle {
            position: absolute;
            bottom: 1.2rem;
            right: 1.2rem;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(16, 185, 129, 0.92);
            color: #fff;
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
        }

        .score-circle .big {
            font-size: 1.4rem;
            font-weight: 800;
            line-height: 1;
        }

        .score-circle .small {
            font-size: 0.7rem;
            opacity: 0.85;
        }

        .feature-content {
            padding: 2.2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-content .game-title {
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.4rem;
        }

        .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.45rem;
            margin-bottom: 1rem;
        }

        .game-tags .tag {
            font-size: 0.75rem;
            padding: 0.2rem 0.65rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-sub);
            border: 1px solid var(--border-soft);
        }

        .feature-content .game-desc {
            color: var(--text-sub);
            font-size: 0.93rem;
            line-height: 1.75;
            margin-bottom: 1.4rem;
        }

        .feature-pros {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.4rem;
            margin-bottom: 1.6rem;
        }

        .feature-pros li {
            color: var(--text-main);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .feature-pros li i {
            color: #34d399;
            font-size: 0.8rem;
        }

        /* ===== 评测卡片网格 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.6rem;
        }

        .card-game {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .card-game:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            border-color: rgba(109, 94, 252, 0.35);
        }

        .card-game-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .card-game-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card-game:hover .card-game-cover img {
            transform: scale(1.06);
        }

        .card-game-cover .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgba(14, 14, 27, 0.8) 100%);
        }

        .score-badge {
            position: absolute;
            right: 0.9rem;
            bottom: 0.9rem;
            background: rgba(16, 185, 129, 0.9);
            color: #fff;
            font-size: 1.05rem;
            font-weight: 800;
            padding: 0.25rem 0.65rem;
            border-radius: 10px;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }

        .score-badge.score-mid {
            background: rgba(96, 165, 250, 0.9);
            box-shadow: 0 4px 14px rgba(96, 165, 250, 0.35);
        }

        .score-badge.score-low {
            background: rgba(245, 158, 11, 0.9);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .card-game-body {
            padding: 1.3rem 1.4rem 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-game-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .card-game-body .game-meta {
            font-size: 0.78rem;
            color: var(--text-sub);
            margin-bottom: 0.7rem;
        }

        .card-game-body .game-excerpt {
            font-size: 0.86rem;
            color: var(--text-sub);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 1rem;
        }

        .card-game-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-soft);
            padding-top: 0.9rem;
        }

        .card-game-body .card-date {
            font-size: 0.78rem;
            color: var(--text-sub);
        }

        .read-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary-light);
            transition: gap 0.25s ease;
        }

        .read-link:hover {
            gap: 0.55rem;
            color: #fff;
        }

        /* ===== 评测维度 ===== */
        .dims-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.2rem;
        }

        .dim-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.2rem;
            text-align: center;
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .dim-card:hover {
            border-color: rgba(109, 94, 252, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .dim-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 14px;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 6px 18px rgba(109, 94, 252, 0.35);
        }

        .dim-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }

        .dim-card p {
            font-size: 0.8rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .dim-stars {
            display: flex;
            gap: 0.15rem;
            justify-content: center;
            margin-top: 0.6rem;
            color: var(--accent);
            font-size: 0.78rem;
        }

        .dim-stars i {
            opacity: 0.85;
        }

        /* ===== 评测流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.4rem;
        }

        .step-card {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem 1.4rem 1.6rem;
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-num {
            position: absolute;
            top: 1rem;
            right: 1.2rem;
            font-size: 2.4rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.06);
            line-height: 1;
            transition: color 0.3s ease;
        }

        .step-card:hover .step-num {
            color: rgba(109, 94, 252, 0.2);
        }

        .step-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(109, 94, 252, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--primary-light);
            margin-bottom: 0.9rem;
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.83rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-soft);
            overflow: hidden;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.2rem 1.6rem;
            border-bottom: 1px solid var(--border-soft);
            transition: background 0.25s ease;
        }

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

        .rank-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .rank-num {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-sub);
            width: 42px;
            text-align: center;
            flex-shrink: 0;
        }

        .rank-item:first-child .rank-num {
            color: var(--accent);
        }

        .rank-item:nth-child(2) .rank-num {
            color: var(--primary-light);
        }

        .rank-item:nth-child(3) .rank-num {
            color: #d4a574;
        }

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

        .rank-info .rank-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .rank-info .rank-genre {
            font-size: 0.76rem;
            color: var(--text-sub);
        }

        .rank-bar-wrap {
            flex: 1;
            max-width: 220px;
            height: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            overflow: hidden;
        }

        .rank-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 999px;
        }

        .rank-score {
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            min-width: 38px;
            text-align: right;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.active {
            border-color: rgba(109, 94, 252, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 600;
            transition: background 0.25s ease;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--primary-light);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 1.4rem 1.2rem;
            color: var(--text-sub);
            font-size: 0.88rem;
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 5rem 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 14, 27, 0.9) 30%, rgba(109, 94, 252, 0.55) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.7rem;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 1.8rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 0.9rem;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b0b16;
            border-top: 1px solid var(--border-soft);
            padding: 3.5rem 0 1.8rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.4rem;
        }

        .footer-brand p {
            margin-top: 1rem;
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.9rem;
        }

        .footer-links li {
            margin-bottom: 0.45rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-sub);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-sub);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 4rem;
            }

            .dims-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }

            .banner-content h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(14, 14, 27, 0.97);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.5rem;
                gap: 0.6rem;
                border-bottom: 1px solid var(--border-soft);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                border-radius: 10px;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-cta {
                display: none;
            }

            .header-inner {
                height: 64px;
            }

            .category-banner {
                padding: 4.2rem 0 3.8rem;
            }

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

            .banner-stats {
                gap: 1.2rem;
            }

            .banner-stats .stat-num {
                font-size: 1.5rem;
            }

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

            .feature-cover {
                min-height: 220px;
            }

            .feature-content {
                padding: 1.6rem 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
            }

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

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

            .rank-item {
                flex-wrap: wrap;
                gap: 0.7rem;
                padding: 1rem 1.1rem;
            }

            .rank-bar-wrap {
                flex-basis: 100%;
                max-width: 100%;
                order: 4;
            }

            .rank-score {
                min-width: auto;
            }

            .container-custom {
                padding: 0 1rem;
            }

            .banner-content h1 {
                font-size: 1.55rem;
            }

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

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

        /* ===== Focus 可访问性 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
            border-radius: 6px;
        }