/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0a0e17;
            --color-primary-light: #141a25;
            --color-accent: #f59e0b;
            --color-accent-hover: #d97706;
            --color-accent-light: #fef3c7;
            --color-danger: #ef4444;
            --color-danger-light: #fef2f2;
            --color-success: #10b981;
            --color-success-light: #ecfdf5;
            --color-info: #3b82f6;
            --color-info-light: #eff6ff;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-surface: #ffffff;
            --color-surface-hover: #f9fafb;
            --color-text: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --color-text-inverse: #f8fafc;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.13), 0 6px 12px rgba(0,0,0,0.06);
            --shadow-accent: 0 4px 16px rgba(245,158,11,0.3);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
        }

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

        .container--narrow {
            max-width: 960px;
        }

        .container--wide {
            max-width: 1400px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-lg);
            padding: 5px;
        }

        .header-nav a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 0.93rem;
            font-weight: 600;
            color: rgba(255,255,255,0.78);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: #ffffff;
            background: rgba(255,255,255,0.08);
        }

        .header-nav a.active {
            color: var(--color-primary);
            background: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        .header-nav a .nav-icon {
            font-size: 0.9rem;
            width: 20px;
            text-align: center;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.93rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn--accent {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

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

        .btn--outline {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255,255,255,0.35);
        }

        .btn--outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.6);
            color: #ffffff;
        }

        .btn--lg {
            padding: 13px 30px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .btn--sm {
            padding: 7px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .btn:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            color: #ffffff;
            font-size: 1.3rem;
            border: 1px solid rgba(255,255,255,0.12);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255,255,255,0.12);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,23,0.88) 0%, rgba(10,14,23,0.7) 40%, rgba(10,14,23,0.82) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 20px;
            padding-bottom: 60px;
        }

        .hero-content {
            color: #ffffff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245,158,11,0.18);
            border: 1px solid rgba(245,158,11,0.35);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.3); }
            50% { box-shadow: 0 0 0 10px rgba(245,158,11,0); }
        }

        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: blink-dot 1s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
        }

        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }

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

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: -0.02em;
        }

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

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-card-preview {
            width: 100%;
            max-width: 440px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-xl);
            padding: 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-card-preview img {
            border-radius: var(--radius-lg);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            box-shadow: var(--shadow-xl);
        }

        .hero-card-preview .preview-label {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            margin-top: 14px;
            text-align: center;
            font-weight: 500;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }

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

        .section--dark {
            background: var(--color-primary);
            color: var(--color-text-inverse);
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .section--dark .section-header h2 {
            color: #ffffff;
        }

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

        .section--dark .section-header .section-subtitle {
            color: rgba(255,255,255,0.6);
        }

        .section--dark .section-header .section-tag {
            background: rgba(245,158,11,0.2);
            color: var(--color-accent);
        }

        /* ===== 特色卡片网格 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

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

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 16px;
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: var(--shadow-accent);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

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

        /* ===== 分类入口面板 ===== */
        .category-panel {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }

        .category-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .category-panel-header h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
        }

        .category-panel-header .view-all {
            font-size: 0.9rem;
            color: var(--color-accent);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .category-panel-header .view-all:hover {
            color: var(--color-accent-hover);
        }

        .category-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .category-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .category-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

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

        .category-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

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

        .category-card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 10px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ===== 内容列表 / CMS 资讯 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .news-main {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(3px);
        }

        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }

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

        .news-item .news-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-info h4 a:hover {
            color: var(--color-accent);
        }

        .news-item .news-info .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-info .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 6px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .news-item .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--color-info-light);
            color: var(--color-info);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
        }

        .sidebar-card .hot-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

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

        .sidebar-card .hot-list li:hover {
            color: var(--color-accent);
        }

        .hot-rank {
            width: 22px;
            height: 22px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.75rem;
            flex-shrink: 0;
            color: var(--color-text-muted);
        }

        .hot-rank.top1 { background: #ef4444; color: #fff; }
        .hot-rank.top2 { background: #f59e0b; color: #fff; }
        .hot-rank.top3 { background: #3b82f6; color: #fff; }

        /* ===== 精选推荐 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            position: relative;
        }

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

        .featured-card img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
        }

        .featured-card-body {
            padding: 20px 22px;
        }

        .featured-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .featured-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .featured-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-danger);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
        }

        /* ===== 数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255,255,255,0.08);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: -0.03em;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            margin-top: 8px;
        }

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

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

        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            user-select: none;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(245,158,11,0.06);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 48px 0 28px;
            color: rgba(255,255,255,0.7);
        }

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

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255,255,255,0.55);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
        }

        .empty-state i {
            font-size: 2rem;
            display: block;
            margin-bottom: 10px;
            color: var(--color-text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
            .hero-actions { justify-content: center; }
            .hero-stats { justify-content: center; }
            .hero-visual { display: none; }
            .hero-title { font-size: 2.3rem; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .category-cards { grid-template-columns: repeat(2, 1fr); }
            .news-list { grid-template-columns: 1fr; }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .header-nav { gap: 2px; }
            .header-nav a { padding: 7px 12px; font-size: 0.85rem; }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: 12px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                gap: 4px;
                z-index: 999;
            }
            .header-nav.open { display: flex; }
            .header-nav a { padding: 10px 16px; border-radius: var(--radius-md); width: 100%; justify-content: flex-start; }
            .mobile-menu-toggle { display: flex; }
            .header-actions .btn--outline { display: none; }
            .hero { min-height: 420px; }
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-stats { gap: 18px; flex-wrap: wrap; }
            .hero-stat-value { font-size: 1.5rem; }
            .section { padding: 48px 0; }
            .section-header h2 { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .category-cards { grid-template-columns: 1fr; }
            .featured-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; gap: 12px; }
            .news-item { flex-direction: column; }
            .news-item .news-thumb { width: 100%; height: 160px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .btn--lg { padding: 11px 24px; font-size: 0.9rem; }
            .category-panel { padding: 18px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .hero-title { font-size: 1.5rem; }
            .hero { min-height: 340px; }
            .hero-stats { gap: 10px; }
            .hero-stat-value { font-size: 1.2rem; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.35rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .category-panel-header { flex-direction: column; align-items: flex-start; }
            .site-header .container { padding: 0 14px; }
            .header-logo { font-size: 1.1rem; }
            .header-logo .logo-icon { width: 30px; height: 30px; font-size: 0.9rem; }
        }

/* roulang page: article */
:root {
  --primary: #ff6b35;
  --primary-dark: #e85d2c;
  --secondary: #1e293b;
  --accent: #ff9f1c;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #1e293b;
  --text-soft: #64748b;
  --border: #e2e8f0;
  --card-shadow: 0 6px 20px rgba(0,0,0,0.05);
  --radius: 16px;
  --radius-sm: 12px;
  --transition: 0.25s ease;
  --nav-bg: #ffffff;
  --header-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

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

/* 卡片化导航面板 */
.site-header {
  background: var(--bg-white);
  box-shadow: var(--header-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.5px;
}

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

.header-nav {
  display: flex;
  gap: 4px;
  background: #f1f5f9;
  border-radius: 50px;
  padding: 6px;
}

.header-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-soft);
  transition: all var(--transition);
  white-space: nowrap;
}

.header-nav a:hover {
  color: var(--secondary);
  background: rgba(255,255,255,0.7);
}

.header-nav a.active {
  background: var(--bg-white);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.nav-icon {
  font-size: 0.9rem;
}

/* 移动端导航 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--secondary);
  cursor: pointer;
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    background: white;
    flex-direction: column;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 12px;
    gap: 4px;
  }
  .header-nav.active {
    display: flex;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-top: 28px;
  flex-wrap: wrap;
}

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

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

.breadcrumb .separator {
  user-select: none;
}

/* 文章主内容 */
.article-main {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 40px;
  margin-top: 24px;
  margin-bottom: 48px;
}

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

.article-category {
  display: inline-block;
  background: rgba(255,107,53,0.1);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.article-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--secondary);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-soft);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

.article-meta i {
  color: var(--primary);
  margin-right: 6px;
}

.article-featured-img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin: 24px 0 32px;
  object-fit: cover;
  max-height: 450px;
}

.article-content {
  font-size: 1.08rem;
  color: var(--text-main);
  line-height: 1.85;
}

.article-content h2, .article-content h3 {
  margin-top: 36px;
  margin-bottom: 16px;
  color: var(--secondary);
}

.article-content p {
  margin-bottom: 20px;
}

.article-content img {
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 20px;
  margin: 28px 0;
  color: var(--text-soft);
  font-style: italic;
}

.article-error {
  text-align: center;
  padding: 80px 20px;
}

.article-error h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--secondary);
}

.article-error p {
  color: var(--text-soft);
  margin-bottom: 24px;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 8px 20px rgba(255,107,53,0.25);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,107,53,0.3);
  color: white;
}

/* 相关推荐卡片 */
.related-section {
  margin: 48px 0 32px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--secondary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.related-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.related-card-body {
  padding: 20px;
}

.related-card-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--secondary);
}

.related-card-body p {
  font-size: 0.88rem;
  color: var(--text-soft);
}

/* CTA区域 */
.cta-block {
  background: linear-gradient(135deg, var(--secondary), #334155);
  color: white;
  padding: 48px 40px;
  border-radius: var(--radius);
  text-align: center;
  margin: 48px 0 32px;
}

.cta-block h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-block p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-light {
  background: white;
  color: var(--secondary);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.btn-light:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.2);
  color: var(--secondary);
}

/* Footer */
.site-footer {
  background: var(--secondary);
  color: #cbd5e1;
  padding: 60px 0 30px;
  margin-top: auto;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.footer-brand h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 18px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: #94a3b8;
  transition: color var(--transition);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
}

@media (max-width: 768px) {
  .article-main {
    padding: 28px;
  }
  .article-title {
    font-size: 1.8rem;
  }
}

/* roulang page: category1 */
:root {
            --primary: #1E1E2D;
            --primary-light: #2A2A3D;
            --accent: #D4AF37;
            --accent-hover: #B8962E;
            --bg: #F5F5F7;
            --card-bg: #FFFFFF;
            --text: #1E1E2D;
            --text-soft: #5A5A6E;
            --border: #E0E0E5;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
            --transition: 0.25s ease;
            --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Segoe UI Mono', monospace;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            font-size: 16px;
        }

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

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

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

        ul {
            list-style: none;
        }

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

        /* ---- header / card navigation panel ---- */
        .header-panel {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            margin: 24px auto 0;
            max-width: var(--container-max);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 32px;
            position: sticky;
            top: 20px;
            z-index: 100;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary) 0%, #3D3D5C 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-nav {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .header-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--bg);
            color: var(--text-soft);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .header-nav a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 1rem;
        }

        .header-nav a:hover {
            background: #EAEAEF;
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .header-nav a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .header-nav a.active:hover {
            background: var(--primary-light);
        }

        /* mobile menu trigger */
        .burger {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
        }

        /* ---- hero banner ---- */
        .page-hero {
            background: linear-gradient(135deg, #1E1E2D 0%, #2A2A3D 70%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--radius);
            margin-top: 40px;
            padding: 70px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.2) 0%, transparent 60%);
        }

        .page-hero h1 {
            font-size: clamp(2.5rem, 6vw, 3.8rem);
            font-weight: 800;
            letter-spacing: -1px;
            position: relative;
            z-index: 1;
            text-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        }

        .page-hero .sub {
            font-size: 1.25rem;
            margin-top: 16px;
            opacity: 0.92;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ---- sections ---- */
        section {
            margin-top: 64px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title i {
            color: var(--accent);
        }

        .section-desc {
            color: var(--text-soft);
            margin-bottom: 32px;
            font-size: 1rem;
        }

        /* ---- featured review card ---- */
        .featured-review {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .featured-img {
            border-radius: var(--radius) 0 0 var(--radius);
            overflow: hidden;
            height: 100%;
            min-height: 320px;
        }

        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .featured-review:hover .featured-img img {
            transform: scale(1.03);
        }

        .featured-content {
            padding: 40px 40px 40px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #1E1E2D;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 1.1rem;
            margin-bottom: 20px;
            width: fit-content;
        }

        .score-badge i {
            font-size: 0.9rem;
        }

        .featured-content h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .featured-content p {
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--primary);
            color: #fff;
            transition: var(--transition);
            width: fit-content;
            cursor: pointer;
            border: none;
        }

        .btn:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #1E1E2D;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
        }

        /* ---- review grid ---- */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
        }

        .review-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .review-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .review-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.4s;
        }

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

        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

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

        .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-body p {
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
        }

        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 18px;
        }

        .score-sm {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .read-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .read-more:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        /* ---- ranking list ---- */
        .rank-list {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow-md);
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .rank-num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .rank-content {
            flex: 1;
        }

        .rank-title {
            font-weight: 700;
            font-size: 1.1rem;
        }

        .rank-meta {
            color: var(--text-soft);
            font-size: 0.85rem;
        }

        .rank-score {
            font-weight: 800;
            color: var(--accent);
            font-size: 1.2rem;
        }

        /* ---- tag cloud / filter ---- */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .tag-btn {
            padding: 8px 22px;
            border-radius: 50px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-soft);
            cursor: pointer;
            transition: var(--transition);
        }

        .tag-btn:hover,
        .tag-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ---- info strips ---- */
        .info-strip {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 30px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .info-strip:hover {
            box-shadow: var(--shadow-md);
        }

        .strip-icon {
            font-size: 2rem;
            color: var(--accent);
        }

        .strip-text h4 {
            font-weight: 700;
            margin-bottom: 4px;
        }

        /* ---- FAQ ---- */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            padding: 20px 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-q {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-q::before {
            content: 'Q';
            background: var(--accent);
            color: #1E1E2D;
            font-weight: 700;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-a {
            color: var(--text-soft);
            padding-left: 40px;
            line-height: 1.7;
        }

        /* ---- CTA ---- */
        .cta-block {
            background: linear-gradient(135deg, #1E1E2D 0%, #2A2A3D 100%);
            border-radius: var(--radius);
            padding: 60px 40px;
            text-align: center;
            color: #fff;
            margin-top: 64px;
        }

        .cta-block h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* ---- footer ---- */
        .site-footer {
            background: var(--primary);
            color: #ccc;
            margin-top: 80px;
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

        .footer-col ul li a {
            color: #aaa;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }

        /* ---- responsive ---- */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-review {
                grid-template-columns: 1fr;
            }
            .featured-content {
                padding: 30px;
            }
            .featured-img {
                border-radius: var(--radius) var(--radius) 0 0;
                max-height: 280px;
            }
        }

        @media (max-width: 768px) {
            .header-panel {
                flex-wrap: wrap;
                padding: 16px 24px;
            }
            .header-nav {
                width: 100%;
                justify-content: center;
                margin-top: 12px;
                overflow-x: auto;
                white-space: nowrap;
                gap: 6px;
            }
            .header-nav a {
                padding: 8px 18px;
                font-size: 0.9rem;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 50px 24px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .burger {
                display: block;
            }
            .header-nav {
                /* mobile menu hidden by default handled via js if desired */
            }
        }

        @media (max-width: 520px) {
            .header-panel {
                flex-direction: column;
                align-items: flex-start;
            }
            .header-nav {
                justify-content: flex-start;
            }
            .rank-item {
                flex-wrap: wrap;
            }
        }