/* roulang page: index */
:root {
            --brand-primary: #2563eb;
            --brand-dark: #1e40af;
            --brand-light: #60a5fa;
            --accent: #f59e0b;
            --text-body: #1f2937;
            --text-muted: #6b7280;
            --bg-soft: #f8fafc;
            --bg-card: #ffffff;
            --border-light: #e5e7eb;
            --radius-sm: 0.375rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
            --transition: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            color: var(--text-body);
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: var(--shadow-sm);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-text i {
            color: var(--brand-primary);
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .nav-links li a:hover {
            color: var(--brand-primary);
            background: var(--brand-50, #eff6ff);
        }
        .nav-links li a.active {
            color: var(--brand-primary);
            background: var(--brand-50, #eff6ff);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-search {
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 0.4rem 0.8rem 0.4rem 1.2rem;
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            padding: 0.25rem 0;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text-body);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .nav-search button:hover {
            color: var(--brand-primary);
        }
        .nav-cta {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 0.5rem 1.4rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-cta:hover {
            background: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-body);
            cursor: pointer;
            padding: 0.25rem;
        }
        @media (max-width: 868px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.25rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                display: none;
                gap: 0.125rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-search input {
                width: 100px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta span {
                display: none;
            }
        }
        @media (max-width: 480px) {
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 1.15rem;
            }
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 40%, #2563eb 70%, #0ea5e9 100%);
            color: #fff;
            padding: 4.5rem 0 5rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.5;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(4px);
            padding: 0.3rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(255,255,255,0.2);
            margin-bottom: 1.5rem;
        }
        .hero-badge i {
            font-size: 0.7rem;
            color: #fcd34d;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero-title span {
            background: linear-gradient(to right, #fcd34d, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            max-width: 600px;
            opacity: 0.9;
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-btn-primary {
            background: #f59e0b;
            color: #1e3a8a;
            border: none;
            border-radius: 999px;
            padding: 0.8rem 2.2rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
        }
        .hero-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
            background: #fbbf24;
        }
        .hero-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 999px;
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-stat h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0;
            line-height: 1.2;
        }
        .hero-stat p {
            margin: 0.2rem 0 0;
            font-size: 0.85rem;
            opacity: 0.7;
        }
        @media (max-width: 640px) {
            .hero-section {
                padding: 3rem 0 3.5rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat h3 {
                font-size: 1.4rem;
            }
        }

        /* 通用板块 */
        .section-pad {
            padding: 4rem 0;
        }
        .section-pad-sm {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-title {
            margin-bottom: 0.5rem;
        }

        /* 卡片 */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-body {
            padding: 1.5rem;
        }

        /* 分类入口卡片 */
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-light);
        }
        .cat-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            color: #fff;
            transition: all var(--transition);
        }
        .cat-card:hover .icon-wrap {
            transform: scale(1.05);
        }
        .cat-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
        }
        .cat-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 优势网格 */
        .advantage-item {
            display: flex;
            gap: 1rem;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .advantage-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .advantage-item .icon-box {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
        }
        .advantage-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 0.2rem;
        }
        .advantage-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 文章列表 */
        .article-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .article-item:last-child {
            border-bottom: none;
        }
        .article-item .art-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.8rem;
            overflow: hidden;
        }
        .article-item .art-info {
            flex: 1;
            min-width: 0;
        }
        .article-item .art-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 0.3rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-item .art-info h4 a {
            color: var(--text-body);
            transition: color var(--transition);
        }
        .article-item .art-info h4 a:hover {
            color: var(--brand-primary);
        }
        .article-item .art-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }
        .article-item .art-meta .tag {
            background: var(--brand-50, #eff6ff);
            color: var(--brand-primary);
            padding: 0.1rem 0.5rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 500;
        }
        @media (max-width: 520px) {
            .article-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .article-item .art-thumb {
                width: 100%;
                height: 120px;
            }
        }

        /* 数据板块 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.5rem;
        }
        .stat-card {
            text-align: center;
            padding: 2rem 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition));
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.2rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-body);
            user-select: none;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 0.85rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.7rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
            color: #fff;
            padding: 3.5rem 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin: 0 0 0.6rem;
        }
        .cta-section p {
            opacity: 0.85;
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 1.5rem;
        }
        .cta-btn {
            background: #f59e0b;
            color: #1e3a8a;
            border: none;
            border-radius: 999px;
            padding: 0.85rem 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
            background: #fbbf24;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-brand .logo-text i {
            color: var(--brand-light);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 0.8rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--brand-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
        }

        /* 响应式辅助 */
        @media (max-width: 768px) {
            .section-pad {
                padding: 2.5rem 0;
            }
        }

        /* 占位图 */
        .placeholder-img {
            background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 1.2rem;
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 2rem 1rem;
            color: var(--text-muted);
        }
        .empty-state i {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            opacity: 0.5;
        }

        /* 文章列表在首页的包装 */
        .news-list-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 0.5rem 1.5rem;
            box-shadow: var(--shadow-sm);
        }
        .news-list-wrap .article-item:first-child {
            padding-top: 1.2rem;
        }

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-alt: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-light: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* ----- 导航 ----- */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 1rem;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo-text i {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .nav-links {
            display: none;
            list-style: none;
            gap: 0.25rem;
        }

        .nav-links li a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
        }

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

        .nav-links li a.active {
            background: var(--primary);
            color: #ffffff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .nav-search {
            display: none;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 999px;
            padding: 0 0.75rem;
            border: 1px solid transparent;
            transition: border var(--transition), background var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            background: #ffffff;
        }

        .nav-search input {
            padding: 0.5rem 0.5rem;
            background: transparent;
            color: var(--text-primary);
            min-width: 140px;
            font-size: 0.875rem;
        }

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

        .nav-search button {
            color: var(--text-muted);
            padding: 0.4rem 0.4rem;
            cursor: pointer;
            transition: color var(--transition);
        }

        .nav-search button:hover {
            color: var(--primary);
        }

        .nav-cta {
            display: none;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #ffffff;
            padding: 0.45rem 1.2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .nav-cta i {
            font-size: 1rem;
        }

        .nav-toggle {
            font-size: 1.4rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 0.25rem;
            transition: color var(--transition);
        }

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

        @media (min-width: 868px) {
            .nav-links {
                display: flex;
            }
            .nav-search {
                display: flex;
            }
            .nav-cta {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        @media (max-width: 867px) {
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #ffffff;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                padding: 0.75rem 1.5rem 1.25rem;
                gap: 0.25rem;
                z-index: 49;
            }
            .nav-links.open li a {
                display: block;
                padding: 0.6rem 1rem;
                border-radius: var(--radius-sm);
            }
            .site-header {
                height: 64px;
            }
        }

        /* ----- 通用板块 ----- */
        .section {
            padding: 4rem 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 2.5rem auto;
            font-size: 1.05rem;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
            .section-title {
                font-size: 2.5rem;
            }
            .section-subtitle {
                font-size: 1.1rem;
            }
        }

        /* ----- 卡片 ----- */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* ----- 步骤 ----- */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-light);
        }

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

        .step-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .step-content {
            flex: 1;
        }

        .step-content h4 {
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
        }

        .step-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* ----- FAQ ----- */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            padding: 0.5rem 0;
            transition: color var(--transition);
            user-select: none;
        }

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

        .faq-question i {
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 1rem;
        }

        .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            padding: 0 0.5rem;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0.5rem 0.5rem 1rem 0.5rem;
        }

        /* ----- 按钮 ----- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #ffffff;
            padding: 0.7rem 2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: none;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.30);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary);
            padding: 0.65rem 2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ----- 徽章/标签 ----- */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.85rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            background: #fef3c7;
            color: var(--accent-dark);
        }

        .badge-green {
            background: #d1fae5;
            color: #065f46;
        }

        /* ----- 统计块 ----- */
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 0.25rem;
        }

        /* ----- CTA ----- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
            color: #ffffff;
            text-align: center;
            padding: 4rem 1.5rem;
            border-radius: var(--radius-lg);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 2rem auto;
        }

        .cta-section .btn-cta {
            background: #ffffff;
            color: var(--primary);
            padding: 0.8rem 2.5rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.20);
        }

        /* ----- 页脚 ----- */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3.5rem 0 0 0;
        }

        .site-footer .logo-text {
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .site-footer .logo-text i {
            color: var(--accent);
        }

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

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

        .footer-col h5 {
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

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

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

        .footer-col ul li a i {
            margin-right: 0.4rem;
            width: 1rem;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #64748b;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        /* ----- 响应式辅助 ----- */
        @media (max-width: 639px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .card {
                padding: 1.2rem;
            }
        }

        /* ----- 额外 ----- */
        .grid-cards {
            display: grid;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-cards-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 868px) {
            .grid-cards-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-cards-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .grid-cards-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .hero-login {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: #ffffff;
            padding: 3.5rem 0;
        }

        .hero-login .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
        }

        .hero-login h1 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            max-width: 720px;
        }

        .hero-login p {
            font-size: 1.05rem;
            color: #94a3b8;
            max-width: 580px;
            line-height: 1.7;
        }

        .hero-login .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        @media (min-width: 768px) {
            .hero-login h1 {
                font-size: 3rem;
            }
            .hero-login {
                padding: 5rem 0;
            }
        }

        .method-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .security-tip {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: #fef3c7;
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--accent);
            color: #78350f;
            font-size: 0.95rem;
        }

        .security-tip i {
            font-size: 1.3rem;
            color: var(--accent-dark);
            flex-shrink: 0;
            margin-top: 0.1rem;
        }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #d4a843;
            --accent-light: #e8c56e;
            --accent-dark: #b8922e;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-section: #f0ece6;
            --bg-dark: #1a2a3a;
            --text-primary: #1e2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #7a8a9a;
            --text-white: #f5f3ef;
            --border: #e2ddd6;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --shadow: 0 8px 32px rgba(26, 42, 58, 0.08);
            --shadow-lg: 0 16px 56px rgba(26, 42, 58, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            body {
                font-size: 15px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(26, 42, 58, 0.04);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-text i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-section);
            border-radius: 50px;
            padding: 0 8px 0 18px;
            height: 42px;
            border: 1px solid transparent;
            transition: border var(--transition), background var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            background: #fff;
        }
        .nav-search input {
            flex: 1;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
            padding: 6px 0;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-search button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            color: var(--text-light);
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            background: var(--accent);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            border: none;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .nav-cta i {
            font-size: 1.1rem;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition);
            background: transparent;
            border: none;
        }
        .nav-toggle:hover {
            background: var(--bg-section);
        }
        @media (max-width: 1024px) {
            .nav-search {
                min-width: 140px;
            }
            .nav-links li a {
                padding: 8px 14px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 768px) {
            .nav-wrap {
                height: 64px;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 40;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links li a {
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: 10px;
                width: 100%;
            }
            .nav-search {
                min-width: 0;
                flex: 0 1 140px;
            }
            .nav-cta span {
                display: none;
            }
            .nav-cta {
                padding: 10px 14px;
            }
            .nav-toggle {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.2rem;
            }
            .logo-text i {
                font-size: 1.3rem;
            }
            .nav-search {
                flex: 0 1 100px;
                padding: 0 4px 0 12px;
                height: 38px;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            background: var(--bg-body);
            padding: 16px 0 8px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-light);
        }

        /* ===== Article Header ===== */
        .article-header {
            background: var(--bg-card);
            padding: 48px 0 32px;
        }
        .article-header .container {
            max-width: var(--content-width);
        }
        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 168, 67, 0.15);
            color: var(--accent-dark);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .article-category i {
            font-size: 0.75rem;
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .article-meta .divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border);
        }
        @media (max-width: 768px) {
            .article-header {
                padding: 32px 0 24px;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
            }
            .article-meta .divider {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.5rem;
            }
            .article-header {
                padding: 24px 0 16px;
            }
        }

        /* ===== Article Content ===== */
        .article-body {
            background: var(--bg-card);
            padding: 0 0 48px;
        }
        .article-body .container {
            max-width: var(--content-width);
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 1.5em;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 2em 0 0.8em;
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 1.8em 0 0.6em;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5em 1.6em;
        }
        .article-content li {
            margin-bottom: 0.4em;
        }
        .article-content a {
            color: var(--primary-light);
            border-bottom: 1px solid rgba(42, 90, 140, 0.25);
            transition: border-color var(--transition), color var(--transition);
        }
        .article-content a:hover {
            color: var(--accent-dark);
            border-bottom-color: var(--accent);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: var(--bg-section);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 2em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content .wp-caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
            margin: 1.5em 0;
        }
        @media (max-width: 768px) {
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .article-content blockquote {
                padding: 12px 18px;
            }
        }
        @media (max-width: 520px) {
            .article-content {
                font-size: 0.95rem;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
        }

        /* ===== Article Footer (tags / share) ===== */
        .article-footer-bar {
            background: var(--bg-card);
            padding: 24px 0 40px;
            border-top: 1px solid var(--border);
        }
        .article-footer-bar .container {
            max-width: var(--content-width);
        }
        .article-footer-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-section);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .article-tags a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-section);
            color: var(--text-secondary);
            transition: all var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .article-footer-flex {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Related Posts ===== */
        .related-section {
            background: var(--bg-section);
            padding: 64px 0;
        }
        .related-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .related-sub {
            color: var(--text-light);
            margin-bottom: 36px;
            font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }
        .related-card .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(212, 168, 67, 0.12);
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .related-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
            flex: 1;
        }
        .related-card h3 a {
            color: inherit;
            transition: color var(--transition);
        }
        .related-card h3 a:hover {
            color: var(--accent-dark);
        }
        .related-card .meta {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .related-card .meta i {
            font-size: 0.75rem;
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section {
                padding: 48px 0;
            }
            .related-title {
                font-size: 1.3rem;
            }
        }

        /* ===== CTA ===== */
        .article-cta {
            background: var(--primary-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 168, 67, 0.12), transparent 60%);
            pointer-events: none;
        }
        .article-cta .container {
            position: relative;
            text-align: center;
            max-width: 640px;
        }
        .article-cta h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .article-cta p {
            color: rgba(245, 243, 239, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .article-cta .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .article-cta .cta-btn:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 67, 0.35);
        }
        @media (max-width: 768px) {
            .article-cta {
                padding: 48px 0;
            }
            .article-cta h2 {
                font-size: 1.5rem;
            }
            .article-cta p {
                font-size: 0.95rem;
            }
            .article-cta .cta-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(245, 243, 239, 0.1);
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.4rem;
        }
        .footer-brand .logo-text i {
            color: var(--accent);
        }
        .footer-brand p {
            color: rgba(245, 243, 239, 0.7);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(245, 243, 239, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-col ul li a i {
            font-size: 0.8rem;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(245, 243, 239, 0.45);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .not-found-box i {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: background var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-light);
        }
        @media (max-width: 520px) {
            .not-found-box {
                padding: 48px 16px;
            }
            .not-found-box i {
                font-size: 2.5rem;
            }
            .not-found-box h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== Utility ===== */
        .section-wave {
            position: relative;
        }
        .section-wave::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 40px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40'%3E%3Cpath d='M0,20 Q150,0 300,20 Q450,40 600,20 Q750,0 900,20 Q1050,40 1200,20 L1200,40 L0,40 Z' fill='%23f8f7f4'/%3E%3C/svg%3E") repeat-x bottom;
            background-size: 1200px 40px;
            pointer-events: none;
        }
        @media (max-width: 640px) {
            .section-wave::after {
                height: 24px;
                background-size: 600px 24px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #8b5cf6;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-section-alt: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        img:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 16px;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .logo-text i {
            font-size: 1.6rem;
            color: var(--secondary);
        }
        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
        }
        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
        }
        .nav-links li a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links li a.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-links li a.active:hover {
            background: var(--primary-dark);
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-section-alt);
            border-radius: 40px;
            padding: 0 8px 0 16px;
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
            background: #ffffff;
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            width: 140px;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-search button {
            background: transparent;
            border: none;
            padding: 8px 10px;
            color: var(--text-light);
            cursor: pointer;
            border-radius: 50%;
            transition: color var(--transition), background var(--transition);
        }
        .nav-search button:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #ffffff;
            border: none;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }
        .nav-cta i {
            font-size: 1.1rem;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }
        .nav-cta:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-section-alt);
        }

        @media (max-width: 1024px) {
            .nav-search input {
                width: 100px;
            }
            .nav-cta span {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.35s ease, opacity 0.35s ease;
                z-index: 99;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li a {
                padding: 12px 20px;
                font-size: 1.05rem;
                border-radius: 12px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-search input {
                width: 100px;
            }
            .nav-cta span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .nav-wrap {
                height: 62px;
                gap: 8px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-text i {
                font-size: 1.3rem;
            }
            .nav-search input {
                width: 70px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-cta span {
                display: none;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }
        .site-footer .logo-text {
            color: #ffffff;
            margin-bottom: 12px;
        }
        .site-footer .logo-text i {
            color: var(--secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
            margin-top: 10px;
        }
        .footer-col h5 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition), transform var(--transition);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.85rem;
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom span:last-child {
            font-weight: 400;
            letter-spacing: 0.5px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
        }

        /* ===== Page Specific ===== */
        .page-hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -60px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .page-hero .hero-tags span {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(4px);
        }
        .page-hero .hero-tags span i {
            margin-right: 6px;
            color: var(--secondary);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 44px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.88rem;
            }
            .page-hero .hero-tags span {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
        }

        /* ===== Section Title ===== */
        .section-title {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-title p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-title .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 640px) {
            .section-title h2 {
                font-size: 1.5rem;
            }
            .section-title p {
                font-size: 0.9rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        /* ===== Game Category Card ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .game-card .card-img {
            height: 200px;
            background: var(--bg-section-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .game-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 23, 42, 0.3), transparent 60%);
            pointer-events: none;
        }
        .game-card .card-img i {
            position: relative;
            z-index: 2;
            filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.3));
        }
        .game-card .card-body {
            padding: 22px 24px 26px;
        }
        .game-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .game-card .card-body h3 .badge {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 40px;
        }
        .game-card .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .game-card .card-body .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }
        .game-card .card-body .tag-group span {
            background: var(--bg-section-alt);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }
        .game-card .card-body .card-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .game-card .card-body .card-cta:hover {
            gap: 14px;
            color: var(--primary-dark);
        }

        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .game-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .game-card .card-img {
                height: 160px;
            }
            .game-card .card-body {
                padding: 18px 18px 22px;
            }
        }

        /* ===== Featured List ===== */
        .featured-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .featured-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            padding: 18px 22px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .featured-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .featured-item .fi-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .featured-item .fi-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .featured-item .fi-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .featured-item .fi-arrow {
            margin-left: auto;
            color: var(--text-light);
            font-size: 1.1rem;
            transition: transform var(--transition), color var(--transition);
        }
        .featured-item:hover .fi-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .featured-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .featured-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .featured-item .fi-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
            .featured-item .fi-info h4 {
                font-size: 0.9rem;
            }
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .num .suffix {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-light);
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: var(--bg-section-alt);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: #ffffff;
            box-shadow: 0 20px 60px rgba(37, 99, 235, 0.25);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #ffffff;
            color: var(--primary);
            padding: 16px 40px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }
        .cta-section .cta-btn:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 16px;
            }
            .cta-section h2 {
                font-size: 1.25rem;
            }
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 36px 0;
            }
        }

        /* ===== Misc ===== */
        .bg-gradient-blue {
            background: linear-gradient(135deg, #dbeafe, #eff6ff);
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .shadow-card {
            box-shadow: var(--shadow-md);
        }
        .rounded-2xl {
            border-radius: var(--radius);
        }

        .mb-0 {
            margin-bottom: 0;
        }

        /* breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: #ffffff;
        }
        .breadcrumb span {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }