/* roulang page: index */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }

        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-stack);
            color: var(--text-main);
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            font-weight: 800;
        }

        h2 {
            font-size: 1.75rem;
            margin-bottom: 0.8em;
            font-weight: 700;
        }

        h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.6em;
        }

        p {
            margin-bottom: 1em;
            color: var(--text-body);
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section {
            padding: var(--section-pad);
        }

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

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

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-sub {
            color: var(--text-light);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-size: 1.75rem;
            color: var(--text-main);
        }

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

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }

        .section-dark .section-sub {
            color: var(--text-light);
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

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

        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }

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

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }

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

        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        .btn-block {
            width: 100%;
            display: flex;
        }

        .btn .arrow {
            font-size: 1.1em;
            line-height: 1;
            transition: transform var(--transition);
        }
        .btn:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
            padding: 0 1.5rem;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 0;
            flex-shrink: 0;
        }
        .nav-brand a {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .nav-brand a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }
        .nav-brand .brand-accent {
            color: var(--secondary-dark);
        }
        .nav-divider {
            width: 2px;
            height: 28px;
            background: var(--secondary);
            margin: 0 1rem 0 1.25rem;
            flex-shrink: 0;
            border-radius: 1px;
            opacity: 0.7;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            padding: 8px 14px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
            display: flex;
            align-items: center;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            transform: scaleX(0);
            transition: transform var(--transition);
            border-radius: 1px;
        }
        .nav-links a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }
        .nav-links a.active {
            color: var(--secondary-dark);
            font-weight: 600;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 18px;
            background: var(--secondary);
            border-radius: 0 2px 2px 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .nav-toggle-text {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        /* ===== Hero 闪购条 ===== */
        .hero {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 60px 0 70px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/fe73b07d6f12938f.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 15, 20, 0.4) 0%, rgba(13, 15, 20, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-flash-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.35);
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }
        .hero-flash-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            white-space: nowrap;
        }
        .hero-countdown {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
        }
        .hero-countdown .cd-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            padding: 4px 8px;
            min-width: 36px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--secondary);
            font-weight: 800;
        }
        .hero-countdown .cd-sep {
            color: var(--accent);
            font-weight: 700;
        }
        .hero-flash-note {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .hero-main-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--secondary);
        }
        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-light);
            margin-bottom: 2rem;
            max-width: 560px;
        }
        .hero-cta-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .hero-feature-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius);
            overflow: hidden;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-lg);
        }
        .hero-feature-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .hero-feature-body {
            padding: 20px;
        }
        .hero-feature-body .hf-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }
        .hero-feature-body h3 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .hero-feature-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 卡片系统 ===== */
        .card-grid {
            display: grid;
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--secondary);
        }
        .card-num {
            font-size: 1rem;
            font-weight: 700;
            color: var(--secondary-dark);
            display: block;
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }
        .card-icon {
            font-size: 1.5rem;
            display: block;
            margin-bottom: 12px;
            color: var(--secondary-dark);
        }
        .card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-media {
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .card-media img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .card:hover .card-media img {
            transform: scale(1.04);
        }
        .card-with-media {
            padding-top: 0;
            overflow: hidden;
        }
        .card-with-media .card-body {
            padding: 20px 24px 24px;
        }

        /* ===== 痛点区块 ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .pain-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .pain-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .pain-card .pain-num {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(255, 179, 0, 0.1);
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }
        .pain-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .pain-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 解决方案区块 ===== */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .solution-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 20px;
            border-radius: var(--radius);
            background: var(--bg-light);
            border-left: 3px solid var(--secondary);
            transition: all var(--transition);
        }
        .solution-item:hover {
            background: rgba(0, 229, 160, 0.06);
            border-left-color: var(--accent);
        }
        .solution-item .si-num {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--secondary-dark);
            flex-shrink: 0;
            min-width: 32px;
        }
        .solution-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .solution-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .solution-media img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* ===== 步骤区块 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
            opacity: 0.5;
            z-index: 0;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 1;
            transition: all var(--transition);
        }
        .step-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--secondary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            border: 2px solid var(--secondary);
            transition: all var(--transition);
        }
        .step-card:hover .step-num {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--accent);
        }
        .step-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 数据卡 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 24px 16px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--secondary);
            background: rgba(0, 229, 160, 0.08);
        }
        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-unit {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .stat-card .stat-note {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ===== 证言区块 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            border-left: 3px solid var(--secondary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent);
            transform: translateY(-2px);
        }
        .testimonial-quote {
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 16px;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-user .tu-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .testimonial-user .tu-info .tu-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
        }
        .testimonial-user .tu-info .tu-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 人群区块 ===== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .audience-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition);
        }
        .audience-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .audience-card .au-icon {
            font-size: 1.8rem;
            margin-bottom: 12px;
            display: block;
        }
        .audience-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .audience-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 新闻列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 110px 1fr 100px;
            gap: 20px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 16px 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
        }
        .news-body h3 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .news-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .news-more {
            text-align: right;
            white-space: nowrap;
        }
        .news-more a {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
        }
        .news-more a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }

        /* ===== 数据指标区块 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-item {
            text-align: center;
            padding: 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .metric-item .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .metric-item .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ===== 品牌介绍区块 ===== */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .about-text {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .about-media img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* ===== 专题区块 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--secondary);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .topic-body {
            padding: 16px 18px;
        }
        .topic-body h3 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .topic-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* ===== 日历区块 ===== */
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .calendar-item {
            display: grid;
            grid-template-columns: 90px 1fr 120px;
            gap: 16px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .calendar-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }
        .calendar-date {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
        }
        .calendar-info {
            font-size: 0.9rem;
            color: var(--text-body);
        }
        .calendar-tag {
            font-size: 0.75rem;
            color: var(--secondary-dark);
            background: rgba(0, 229, 160, 0.1);
            padding: 2px 10px;
            border-radius: 4px;
            text-align: center;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ===== 媒体精选 ===== */
        .media-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .media-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .media-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .media-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .media-body {
            padding: 16px 18px;
        }
        .media-body h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .media-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* ===== 保障区块 ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .assurance-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius);
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .assurance-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }
        .assurance-item .as-icon {
            font-size: 1.6rem;
            display: block;
            margin-bottom: 10px;
        }
        .assurance-item h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .assurance-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: var(--bg-light);
            border: none;
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(0, 229, 160, 0.06);
        }
        .faq-question .faq-icon {
            font-size: 1.4rem;
            color: var(--secondary-dark);
            transition: transform var(--transition);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 72px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/dd62403201614e1f.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }
        .cta-section .btn {
            font-size: 1.05rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-links h4,
        .footer-sub h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-light);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .footer-sub form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-sub input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-sub input::placeholder {
            color: var(--text-muted);
        }
        .footer-sub input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
        }
        .footer-sub .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .footer-bottom .sep {
            color: var(--text-muted);
            margin: 0 4px;
        }

        /* ===== 移动端导航抽屉 ===== */
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .nav-mobile-overlay.open {
            display: block;
            opacity: 1;
        }
        .nav-mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: var(--bg-white);
            z-index: 99;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
            transition: right 0.3s ease;
            padding: 24px 20px;
            overflow-y: auto;
        }
        .nav-mobile-drawer.open {
            right: 0;
        }
        .nav-mobile-drawer .mb-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }
        .nav-mobile-drawer .mb-close button {
            font-size: 1.5rem;
            color: var(--text-main);
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-mobile-drawer .mb-links {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .nav-mobile-drawer .mb-links a {
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            padding: 14px 8px;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .nav-mobile-drawer .mb-links a:hover {
            color: var(--secondary-dark);
            padding-left: 16px;
            text-decoration: none;
        }
        .nav-mobile-drawer .mb-links a.active {
            color: var(--secondary-dark);
            font-weight: 700;
            border-left: 3px solid var(--secondary);
            padding-left: 16px;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .nav-container {
                flex-wrap: wrap;
                gap: 0.5rem;
                padding-top: 12px;
                padding-bottom: 12px;
            }
            .nav-brand a {
                font-size: 1.35rem;
            }
            .nav-divider {
                margin: 0 0.75rem 0 0.9rem;
                height: 22px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .hero-main-grid {
                gap: 32px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .pain-grid,
            .steps-grid,
            .stats-grid,
            .audience-grid,
            .metrics-grid,
            .topic-grid,
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .testimonial-grid,
            .media-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-layout,
            .about-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-item {
                grid-template-columns: 90px 1fr;
                gap: 12px;
            }
            .news-more {
                grid-column: 2;
                text-align: left;
            }
            .calendar-item {
                grid-template-columns: 80px 1fr;
                gap: 10px;
            }
            .calendar-tag {
                grid-column: 2;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-pad-mobile);
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .container,
            .container-wide {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .nav-container {
                min-height: 60px;
                padding: 10px 1rem;
                gap: 0.5rem;
            }
            .nav-brand a {
                font-size: 1.2rem;
                letter-spacing: 0;
            }
            .nav-divider {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .hero {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-flash-bar {
                padding: 8px 14px;
                gap: 10px;
                font-size: 0.8rem;
            }
            .hero-flash-label {
                font-size: 0.75rem;
            }
            .hero-title {
                font-size: 1.6rem;
                letter-spacing: -0.01em;
            }
            .hero-desc {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .hero-main-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-feature-card img {
                height: 150px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .hero-cta-row .btn {
                width: 100%;
                justify-content: center;
            }
            .pain-grid,
            .steps-grid,
            .stats-grid,
            .audience-grid,
            .metrics-grid,
            .topic-grid,
            .assurance-grid,
            .testimonial-grid,
            .media-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-2,
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .solution-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 14px 16px;
            }
            .news-more {
                grid-column: 1;
                text-align: left;
            }
            .calendar-item {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 10px 14px;
            }
            .calendar-tag {
                grid-column: 1;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
            .metric-item .metric-value {
                font-size: 1.5rem;
            }
            .step-num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 72px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }

        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-stack);
            color: var(--text-main);
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h2 {
            font-size: 1.625rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

        h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section {
            padding: var(--section-pad);
        }

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

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

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-sub {
            color: var(--text-light);
        }

        .section-header {
            margin-bottom: 2rem;
        }

        .section-header h2 {
            font-size: 1.625rem;
            color: var(--text-main);
        }

        .section-sub {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 760px;
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

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

        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }

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

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }

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

        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }

        .btn-sm {
            padding: 7px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 1rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo a {
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .brand-logo .logo-mark {
            width: 8px;
            height: 32px;
            background: var(--secondary);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .brand-logo .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.01em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition), background var(--transition);
            border-radius: 4px;
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
            background: rgba(0, 229, 160, 0.06);
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px 2px 0 0;
        }

        .nav-links .nav-divider {
            width: 1px;
            height: 22px;
            background: var(--border);
            margin: 0 6px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            align-items: flex-end;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--secondary-dark);
            text-decoration: underline;
        }

        .breadcrumb-bar .crumb-sep {
            color: var(--border);
            font-size: 0.8rem;
        }

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

        /* ===== 分类头部 ===== */
        .category-header {
            background: var(--primary);
            padding: 36px 0 32px;
            color: #fff;
        }

        .category-header h1 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .category-header .category-sub {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.65;
            max-width: 820px;
            margin-bottom: 0;
        }

        .category-header .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--secondary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 14px;
        }

        /* ===== 卡片通用 ===== */
        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            border: 1px solid var(--border);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--bg-light);
        }

        .card-body {
            padding: 1.25rem;
        }

        .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            line-height: 1.45;
        }

        .card-body h3 a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition);
        }

        .card-body h3 a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .card-meta .date-tag {
            color: var(--accent);
            font-weight: 600;
        }

        .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
            transition: gap var(--transition), color var(--transition);
        }

        .read-more:hover {
            color: var(--secondary);
            text-decoration: none;
            gap: 10px;
        }

        .read-more .arrow {
            font-size: 1rem;
            transition: transform var(--transition);
            display: inline-block;
        }

        .read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* ===== 资讯列表 grid ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* ===== 精选列表 ===== */
        .featured-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .featured-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .featured-list li:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }

        .featured-list .featured-rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--secondary);
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .featured-list .featured-rank.top1 {
            background: var(--accent);
            color: var(--primary);
        }

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

        .featured-list .featured-info a {
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.92rem;
            text-decoration: none;
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .featured-list .featured-info a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }

        .featured-list .featured-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition);
        }

        .tag-cloud a:hover {
            border-color: var(--secondary);
            color: var(--secondary-dark);
            background: rgba(0, 229, 160, 0.06);
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* ===== 订阅表单 ===== */
        .subscribe-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .subscribe-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-body);
            background: var(--bg-light);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            background: #fff;
        }

        .privacy-note {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 10px;
            margin-bottom: 0;
        }

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

        .stat-block {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 22px 18px;
            text-align: center;
            transition: border-color var(--transition), transform var(--transition);
        }

        .stat-block:hover {
            border-color: var(--secondary);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-number .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary-dark);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(0, 229, 160, 0.05);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--secondary-dark);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 179, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 1.75rem;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: var(--text-light);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto 24px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .site-footer p {
            color: var(--text-light);
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .site-footer ul li a {
            color: var(--text-light);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .site-footer ul li a:hover {
            color: var(--secondary);
            text-decoration: none;
        }

        .site-footer .footer-sub form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .site-footer .footer-sub input[type="email"] {
            flex: 1;
            min-width: 160px;
            padding: 9px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transition: border-color var(--transition);
        }

        .site-footer .footer-sub input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-sub input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .footer-bottom a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--secondary);
            text-decoration: none;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-links .nav-divider {
                margin: 0 2px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px 0;
            }
            .section {
                padding: var(--section-pad);
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .category-header h1 {
                font-size: 1.6rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .brand-logo .logo-text {
                font-size: 1.1rem;
            }
            .category-header {
                padding: 28px 0 24px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .brand-logo .logo-text {
                font-size: 1rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 8px 0;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 24px;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--bg-light);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(0, 229, 160, 0.08);
                border-left: 3px solid var(--secondary);
            }
            .nav-links .nav-divider {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-block {
                padding: 14px 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                max-width: 300px;
            }
            .featured-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .featured-list .featured-rank {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .faq-question {
                padding: 13px 16px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 400px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }

        /* 显示辅助类 */
        .show-for-sr {
            position: absolute !important;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }

        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section {
            padding: var(--section-pad);
        }

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

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

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-sub {
            color: var(--text-light);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0 0 0.5rem;
        }

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

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin: 0;
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

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

        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }

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

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }

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

        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0.75rem 0;
        }

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

        .brand-link {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
        }

        .brand-link:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 12px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg-white);
        }

        .hamburger-icon {
            width: 18px;
            height: 2px;
            background: var(--text-body);
            position: relative;
            display: inline-block;
        }

        .hamburger-icon::before,
        .hamburger-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 18px;
            height: 2px;
            background: var(--text-body);
            transition: transform 0.2s;
        }

        .hamburger-icon::before {
            top: -5px;
        }

        .hamburger-icon::after {
            top: 5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }

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

        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-divider {
            width: 1px;
            height: 18px;
            background: var(--border);
            margin: 0 0.25rem;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }

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

        .breadcrumb .sep {
            margin: 0 6px;
            color: var(--border);
        }

        .breadcrumb .current {
            color: var(--text-body);
            font-weight: 500;
        }

        .category-header {
            background: var(--primary);
            padding: 2rem 0 2.5rem;
            border-bottom: 3px solid var(--secondary);
        }

        .category-header .container {
            display: flex;
            flex-direction: column;
        }

        .category-header .breadcrumb {
            color: var(--text-light);
        }

        .category-header .breadcrumb a {
            color: var(--text-light);
        }

        .category-header .breadcrumb a:hover {
            color: var(--secondary);
        }

        .category-header .breadcrumb .current {
            color: #fff;
        }

        .category-header h1 {
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
            line-height: 1.2;
        }

        .category-header .category-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 780px;
            line-height: 1.7;
            margin: 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--secondary);
        }

        .news-card .date {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(255, 179, 0, 0.1);
            border-radius: 4px;
            padding: 2px 8px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .news-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-main);
            margin: 0 0 0.75rem;
        }

        .news-card .excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 1rem;
            flex-grow: 1;
        }

        .news-card .read-more {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

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

        .hot-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .hot-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .hot-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .hot-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .hot-card-body {
            padding: 1rem;
            flex-grow: 1;
        }

        .hot-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 0.375rem;
            line-height: 1.4;
        }

        .hot-card-body p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition);
        }

        .tag-cloud .tag:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--primary);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: border-color var(--transition);
        }

        .stat-card:hover {
            border-color: var(--secondary);
        }

        .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .subscribe-form {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 2rem;
            max-width: 620px;
            margin: 0 auto;
        }

        .subscribe-form h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 1rem;
        }

        .form-group {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .form-group input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            background: var(--bg-white);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }

        .form-note {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            line-height: 1.6;
        }

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

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

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 1rem 1.25rem;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            line-height: 1.5;
            transition: color var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--secondary-dark);
            transition: transform var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 1.25rem;
            transition: max-height var(--transition), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }

        .cta-section {
            background: var(--primary);
            padding: 3rem 0;
            border-top: 3px solid var(--secondary);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.3;
        }

        .cta-inner p {
            color: var(--text-light);
            margin: 0.25rem 0 0;
        }

        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        .footer-links h4,
        .footer-sub h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 1rem;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        .footer-sub form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-sub input {
            flex: 1;
            min-width: 150px;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.9rem;
            transition: border-color var(--transition);
        }

        .footer-sub input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-sub input:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.875rem;
            color: var(--text-light);
        }

        .footer-bottom a {
            color: var(--text-light);
            text-decoration: none;
        }

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

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }

        .read-more-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition);
        }

        .news-card .read-more:hover .read-more-arrow {
            transform: translateX(3px);
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

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

        @media (max-width: 640px) {
            :root {
                --section-pad: 48px 0;
            }

            .site-header .container {
                flex-wrap: nowrap;
            }

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

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                padding-top: 0.5rem;
                border-top: 1px solid var(--border);
                margin-top: 0.5rem;
            }

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

            .nav-links a {
                padding: 10px 0;
                font-size: 1rem;
                border-bottom: 1px solid var(--border);
                width: 100%;
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

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

            .nav-links a.active {
                border-left: 3px solid var(--secondary);
                padding-left: 10px;
            }

            .nav-divider {
                display: none;
            }

            .category-header {
                padding: 1.5rem 0 1.75rem;
            }

            .category-header h1 {
                font-size: 1.75rem;
            }

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

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

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

            .stat-number {
                font-size: 1.75rem;
            }

            .cta-inner h2 {
                font-size: 1.25rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .form-group {
                flex-direction: column;
            }

            .form-group input {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 72px 0;
            --section-pad-mobile: 44px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .section {
            padding: var(--section-pad);
        }
        .section-light {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }
        .section-dark .section-sub {
            color: var(--text-light);
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 1.75rem;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }
        .btn-outline {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* 导航 - 杂志刊头 */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 0;
            gap: 1rem;
        }
        .brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        .brand a:hover {
            color: var(--secondary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
        }
        .nav-links a {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 0.4rem 0.6rem;
            text-decoration: none;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
            border-right: 1px solid var(--border);
            line-height: 1.4;
        }
        .nav-links a:last-child {
            border-right: none;
        }
        .nav-links a:hover {
            color: var(--secondary-dark);
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--secondary-dark);
            font-weight: 700;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0.6rem;
            bottom: -0.05rem;
            width: 1.5rem;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            align-items: flex-end;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 0.5rem 0;
        }
        .mobile-nav a {
            display: block;
            padding: 0.7rem 1.5rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            border-bottom: 1px solid var(--bg-light);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav a:hover {
            background: var(--bg-light);
            color: var(--secondary-dark);
            text-decoration: none;
        }
        .mobile-nav a.active {
            color: var(--secondary-dark);
            font-weight: 700;
            border-left: 3px solid var(--secondary);
        }

        /* 分类头部 */
        .cat-header {
            background: var(--primary);
            padding: 2rem 0 1.8rem;
            color: #fff;
        }
        .cat-header .breadcrumb {
            font-size: 0.875rem;
            color: var(--text-light);
            margin-bottom: 0.75rem;
        }
        .cat-header .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .cat-header .breadcrumb a:hover {
            color: var(--secondary-dark);
            text-decoration: underline;
        }
        .cat-header .breadcrumb .sep {
            margin: 0 0.5rem;
            color: var(--text-muted);
        }
        .cat-header h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            line-height: 1.2;
        }
        .cat-header .cat-desc {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 760px;
        }

        /* 攻略卡片网格 */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--secondary);
        }
        .guide-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-light);
            position: relative;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.04);
        }
        .guide-card .card-body {
            padding: 1.25rem 1.25rem 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-card .card-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .guide-card .card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .guide-card .card-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 0.9rem;
        }
        .guide-card .read-more {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition), gap var(--transition);
        }
        .guide-card .read-more:hover {
            color: var(--secondary);
            gap: 10px;
            text-decoration: none;
        }
        .guide-card .read-more .arrow {
            font-size: 1.1rem;
            line-height: 1;
        }

        /* 热门推荐列表 */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 0.875rem;
        }
        .hot-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 0.9rem 1.1rem;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
            text-decoration: none;
        }
        .hot-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
        }
        .hot-item .hot-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 2rem;
            line-height: 1.4;
        }
        .hot-item .hot-content h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.15rem;
            line-height: 1.4;
        }
        .hot-item .hot-content p {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 0.45rem 1.1rem;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
            font-weight: 500;
            background: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--secondary);
            color: var(--secondary-dark);
            background: rgba(0, 229, 160, 0.06);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        /* 订阅表单 */
        .subscribe-box {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            max-width: 580px;
        }
        .subscribe-box h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }
        .subscribe-box .form-row {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
        }
        .subscribe-box input[type="email"] {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            min-width: 0;
        }
        .subscribe-box input[type="email"]:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }
        .subscribe-box .privacy-hint {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.6rem;
        }

        /* 数据亮点 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-block {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 1.4rem 1.2rem;
            text-align: center;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .stat-block:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }
        .stat-block .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary-dark);
            line-height: 1.2;
        }
        .stat-block .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
            font-weight: 500;
        }

        /* FAQ 手风琴 */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            margin-bottom: 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.05rem 1rem 1.05rem 0.25rem;
            font-size: 0.9875rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--secondary-dark);
        }
        .faq-question .icon {
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--secondary-dark);
            transition: transform var(--transition);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 0.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 0.25rem 1.1rem;
        }
        .faq-answer p {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0;
        }

        /* CTA 区块 */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            text-align: center;
            background-image: url('/assets/images/dd62403201614e1f.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 20, 0.78);
            border-radius: var(--radius);
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            margin: 0 0.4rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }
        .footer-brand h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-links h4,
        .footer-sub h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.45rem;
        }
        .footer-links a {
            font-size: 0.875rem;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .footer-sub form {
            display: flex;
            gap: 0.5rem;
        }
        .footer-sub input[type="email"] {
            flex: 1;
            padding: 9px 14px;
            border: 1px solid #333;
            border-radius: var(--radius-sm);
            background: #1a1d24;
            color: #fff;
            font-size: 0.875rem;
            transition: border-color var(--transition);
            min-width: 0;
        }
        .footer-sub input[type="email"]::placeholder {
            color: #777;
        }
        .footer-sub input[type="email"]:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .footer-sub .btn {
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid #222;
            padding: 1.1rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.8125rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-light);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .footer-bottom .sep {
            margin: 0 0.5rem;
            color: #444;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .brand {
                font-size: 1.3rem;
            }
            .header-inner {
                padding: 0.7rem 0;
            }
            .cat-header {
                padding: 1.5rem 0 1.3rem;
            }
            .cat-header h1 {
                font-size: 1.6rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.875rem;
            }
            .stat-block .stat-num {
                font-size: 1.5rem;
            }
            .subscribe-box .form-row {
                flex-direction: column;
            }
            .subscribe-box .btn {
                width: 100%;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .cta-section .btn {
                display: block;
                margin: 0.5rem auto;
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hot-item {
                flex-direction: column;
                gap: 0.4rem;
            }
            .hot-item .hot-num {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .brand {
                font-size: 1.15rem;
            }
            .cat-header h1 {
                font-size: 1.4rem;
            }
            .guide-card .card-title {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-block {
                padding: 1rem 0.75rem;
            }
            .stat-block .stat-num {
                font-size: 1.3rem;
            }
            .faq-question {
                font-size: 0.9375rem;
                padding: 0.9rem 0.25rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 72px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .section {
            padding: var(--section-pad);
        }
        .section-light {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }
        .section-dark .section-sub {
            color: var(--text-light);
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 1.75rem;
            color: var(--text-main);
            margin: 0 0 0.5rem 0;
            font-weight: 700;
            line-height: 1.3;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin: 0;
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }
        .btn-outline {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* Header / Magazine Nav */
        .site-header {
            background: var(--primary);
            border-bottom: 1px solid #1e2129;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
            gap: 2rem;
        }
        .brand {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            display: inline-flex;
            align-items: center;
        }
        .brand:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .brand .brand-sep {
            display: inline-block;
            width: 2px;
            height: 28px;
            background: var(--secondary);
            margin-left: 16px;
            margin-right: 4px;
            flex-shrink: 0;
            border-radius: 1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-light);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 8px 16px;
            text-decoration: none;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--secondary);
            text-decoration: none;
            background: rgba(0, 229, 160, 0.08);
        }
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(0, 229, 160, 0.12);
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 8px;
            right: 8px;
            bottom: 2px;
            height: 2px;
            background: var(--secondary);
            border-radius: 1px;
        }
        .nav-sep {
            display: inline-block;
            width: 1px;
            height: 20px;
            background: #2c303a;
            margin: 0 6px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            border: 1px solid #2c303a;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 229, 160, 0.12);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumbs */
        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }
        .breadcrumbs a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumbs a:hover {
            color: var(--secondary-dark);
            text-decoration: underline;
        }
        .breadcrumb-sep {
            color: #9ca3af;
            user-select: none;
        }
        .breadcrumbs [aria-current="page"] {
            color: var(--text-main);
            font-weight: 600;
        }

        /* Category Head */
        .category-head {
            background: #f0f2f5;
            padding-top: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border);
        }
        .category-head h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 0.5rem 0;
            line-height: 1.2;
        }
        .category-head .category-desc {
            font-size: 1rem;
            color: var(--text-body);
            line-height: 1.7;
            max-width: 760px;
            margin: 0;
        }

        /* Video Card Grid */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 2rem;
        }
        .video-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }
        .video-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--secondary);
        }
        .video-card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #1a1d24;
        }
        .video-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .video-card:hover .video-card-thumb img {
            transform: scale(1.05);
        }
        .video-play-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            background: rgba(0, 0, 0, 0.65);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            pointer-events: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: background var(--transition), border var(--transition);
        }
        .video-card:hover .video-play-overlay {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--primary);
        }
        .video-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .video-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .video-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .video-card-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .video-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin: 0 0 8px 0;
        }
        .video-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0 0 14px 0;
            flex: 1;
        }
        .video-card .btn {
            align-self: flex-start;
            font-size: 0.875rem;
            padding: 8px 18px;
        }

        /* Popular List */
        .popular-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .popular-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 12px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .popular-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .popular-item-thumb {
            width: 80px;
            height: 52px;
            flex-shrink: 0;
            border-radius: 4px;
            overflow: hidden;
            background: #1a1d24;
        }
        .popular-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .popular-item-info h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 4px 0;
            line-height: 1.4;
        }
        .popular-item-info p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* Tag Cloud / Filter */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .tag-cloud li a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-body);
            background: #fff;
            border: 1px solid var(--border);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .tag-cloud li a:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* Subscription Form */
        .subscribe-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 4px 0;
        }
        .subscribe-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex: 1;
            min-width: 280px;
            max-width: 480px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid #d1d5db;
            background: #fff;
            font-size: 0.875rem;
            color: var(--text-body);
            transition: all var(--transition);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
        }
        .subscribe-form .btn {
            padding: 10px 24px;
            font-size: 0.875rem;
        }
        .privacy-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* Stats Blocks */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-block {
            background: #fff;
            border-radius: var(--radius);
            padding: 22px 20px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all var(--transition);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary-dark);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 4px;
        }

        /* FAQ Accordion */
        .accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .accordion-item {
            border-bottom: 1px solid var(--border);
            background: #fff;
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-item.is-active .accordion-title {
            color: var(--secondary-dark);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition), color var(--transition);
            user-select: none;
        }
        .accordion-title:hover {
            background: rgba(0, 229, 160, 0.06);
            text-decoration: none;
        }
        .accordion-title .accordion-icon {
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            line-height: 1;
        }
        .accordion-item.is-active .accordion-icon {
            transform: rotate(45deg);
            color: var(--secondary-dark);
        }
        .accordion-content {
            padding: 0 20px 16px;
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 179, 0, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem 0;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-light);
            margin: 0 auto 1.5rem auto;
            max-width: 560px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px 0;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-sub h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px 0;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-light);
            font-size: 0.875rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .footer-sub form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-sub input[type="email"] {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #2c303a;
            background: #1a1d24;
            color: #fff;
            font-size: 0.875rem;
            transition: all var(--transition);
        }
        .footer-sub input[type="email"]::placeholder {
            color: #6b7280;
        }
        .footer-sub input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .footer-sub .btn {
            padding: 10px 20px;
            font-size: 0.875rem;
        }
        .footer-bottom {
            border-top: 1px solid #2c303a;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
            color: #9ca3af;
        }
        .footer-bottom a {
            color: #9ca3af;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .footer-bottom .sep {
            margin: 0 6px;
            color: #4b5563;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px 0;
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .popular-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: span 2;
                max-width: 100%;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 48px 0;
            }
            .header-inner {
                min-height: 60px;
            }
            .brand {
                font-size: 1.25rem;
            }
            .brand .brand-sep {
                height: 20px;
                margin-left: 10px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: var(--primary);
                padding: 12px 20px 20px;
                border-bottom: 2px solid var(--secondary);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-bottom: 1px solid #1e2129;
                display: block;
                width: 100%;
                border-radius: 0;
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active::before {
                left: 0;
                right: auto;
                top: 0;
                bottom: 0;
                width: 3px;
                height: auto;
                background: var(--secondary);
                border-radius: 0 2px 2px 0;
            }
            .nav-sep {
                display: none;
            }
            .video-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .subscribe-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }
            .subscribe-form {
                width: 100%;
                max-width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input[type="email"] {
                width: 100%;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.375rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-head h1 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .brand {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-block {
                padding: 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.875rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9375rem;
            }
            .accordion-title {
                padding: 14px 16px;
                font-size: 0.9375rem;
            }
            .accordion-content {
                padding: 0 16px 14px;
                font-size: 0.875rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }

        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section {
            padding: var(--section-pad);
        }

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

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

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-sub {
            color: var(--text-light);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-size: 1.75rem;
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.5rem;
        }

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

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin: 0;
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

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

        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }

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

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }

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

        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-bottom-color: var(--secondary);
        }

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

        .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }

        .card-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 0.5rem;
            line-height: 1.45;
        }

        .card-excerpt {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0 0 1rem;
        }

        .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .card-link:hover {
            gap: 8px;
            color: var(--secondary);
        }

        /* 导航 */
        .site-header {
            background: var(--primary);
            border-bottom: 1px solid rgba(229, 231, 235, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            padding-bottom: 1rem;
            gap: 2rem;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-name span {
            color: var(--secondary);
        }

        .brand-divider {
            width: 2px;
            height: 28px;
            background: var(--secondary);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
            border-left: 1px solid rgba(229, 231, 235, 0.12);
        }

        .nav-links a:first-child {
            border-left: none;
        }

        .nav-links a:hover {
            color: var(--secondary);
            text-decoration: none;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            align-items: center;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle-label {
            font-size: 0.7rem;
            color: var(--text-light);
            letter-spacing: 0.05em;
        }

        /* 分类头部 */
        .category-header {
            background: var(--primary);
            color: #fff;
            padding: 2.5rem 0 2rem;
            border-bottom: 3px solid var(--secondary);
        }

        .breadcrumb {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }

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

        .breadcrumb .sep {
            color: var(--text-light);
            opacity: 0.6;
        }

        .category-header h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .category-header .category-desc {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 800px;
            line-height: 1.7;
            margin: 0;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--bg-white);
            border: 1px solid var(--border);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .tag-cloud a:hover {
            border-color: var(--secondary);
            color: var(--secondary-dark);
            background: rgba(0, 229, 160, 0.06);
            text-decoration: none;
        }

        /* 数据块 */
        .stat-block {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(229, 231, 235, 0.1);
        }

        .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            display: block;
        }

        .stat-unit {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.25rem;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 0.35rem;
            line-height: 1.5;
        }

        /* 精选讨论卡片 */
        .featured-card {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1rem;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }

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

        .featured-card img {
            width: 96px;
            height: 64px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .featured-card-content {
            flex: 1;
            min-width: 0;
        }

        .featured-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 0.25rem;
            line-height: 1.4;
        }

        .featured-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion {
            margin: 0;
            padding: 0;
            list-style: none;
            border-radius: var(--radius);
            overflow: hidden;
        }

        .accordion-item {
            border-bottom: 1px solid var(--border);
            background: var(--bg-white);
        }

        .accordion-item:first-child {
            border-top: 1px solid var(--border);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            background: var(--bg-white);
            transition: background var(--transition);
            text-decoration: none;
            width: 100%;
            border: none;
            gap: 12px;
            line-height: 1.5;
        }

        .accordion-title:hover {
            background: var(--bg-light);
            text-decoration: none;
        }

        .accordion-title .icon {
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--secondary-dark);
            transition: transform var(--transition);
            flex-shrink: 0;
            display: inline-block;
            width: 20px;
            text-align: center;
        }

        .accordion-item.is-active .accordion-title .icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            display: none;
            padding: 0 1.25rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* 投票/活动卡片 */
        .activity-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.75rem;
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }

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

        .activity-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }

        .activity-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0 0 1rem;
        }

        /* 表单 */
        .subscribe-form {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 2rem;
            border: 1px solid var(--border);
            max-width: 560px;
            margin: 0 auto;
        }

        .subscribe-form h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 0.5rem;
        }

        .subscribe-form .form-row {
            display: flex;
            gap: 10px;
            margin-top: 1rem;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
        }

        .privacy-hint {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            line-height: 1.5;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 64px 0;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
        }

        .cta-section p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            font-size: 1rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 56px 0 24px;
            border-top: 3px solid var(--secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem;
        }

        .footer-brand h3 span {
            color: var(--secondary);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        .footer-links h4,
        .footer-sub h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 0.75rem;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.5rem 1rem;
        }

        .footer-links a {
            color: var(--text-light);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: none;
        }

        .footer-sub form {
            display: flex;
            gap: 8px;
            margin-top: 0.5rem;
        }

        .footer-sub input[type="email"] {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(229, 231, 235, 0.2);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-sub input[type="email"]::placeholder {
            color: rgba(209, 213, 219, 0.5);
        }

        .footer-sub input[type="email"]:focus {
            border-color: var(--secondary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(229, 231, 235, 0.12);
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .footer-bottom a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            margin: 0 8px;
            opacity: 0.6;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }

            .brand-name {
                font-size: 1.3rem;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px 0;
            }

            .section {
                padding: var(--section-pad);
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }

            .brand-name {
                font-size: 1.15rem;
            }

            .brand-divider {
                height: 22px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--primary);
                border-top: 1px solid rgba(229, 231, 235, 0.12);
                padding: 0.5rem 0;
            }

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

            .nav-links a {
                width: 100%;
                padding: 12px 1rem;
                border-left: none;
                border-bottom: 1px solid rgba(229, 231, 235, 0.08);
                font-size: 0.9rem;
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-links a.active::after {
                left: 0;
                right: auto;
                top: 0;
                bottom: 0;
                width: 3px;
                height: auto;
            }

            .category-header {
                padding: 1.75rem 0 1.5rem;
            }

            .category-header h1 {
                font-size: 1.6rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

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

            .subscribe-form .form-row {
                flex-direction: column;
            }

            .featured-card {
                flex-direction: row;
            }

            .featured-card img {
                width: 72px;
                height: 48px;
            }

            .stat-number {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 1rem;
                letter-spacing: -0.01em;
            }

            .brand-divider {
                height: 18px;
                width: 2px;
            }

            .nav-toggle-label {
                font-size: 0.6rem;
            }

            .category-header h1 {
                font-size: 1.35rem;
            }

            .category-header .category-desc {
                font-size: 0.85rem;
            }

            .section-header h2 {
                font-size: 1.25rem;
            }

            .card-title {
                font-size: 1rem;
            }

            .card-body {
                padding: 1rem 1.1rem 1.25rem;
            }

            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }

            .btn-lg {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

            .stat-number {
                font-size: 1.5rem;
            }

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

            .footer-sub form {
                flex-direction: column;
            }

            .activity-card {
                padding: 1.25rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0D0F14;
            --secondary: #00E5A0;
            --secondary-dark: #00C98F;
            --accent: #FFB300;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --text-main: #111111;
            --text-body: #2A2E35;
            --text-muted: #6B7280;
            --text-light: #D1D5DB;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-pad: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition), text-decoration-color var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-decoration-color: var(--secondary);
            text-underline-offset: 3px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .section {
            padding: var(--section-pad);
        }
        .section-light {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }
        .section-dark .section-sub {
            color: var(--text-light);
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 1.75rem;
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
            background: var(--secondary);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary-dark);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            text-decoration: none;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: var(--primary);
        }
        .btn-outline {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--secondary-dark);
            border-color: var(--secondary-dark);
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-dark:hover {
            background: #1a1d24;
            border-color: #1a1d24;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }
        /* 杂志刊头导航 */
        .site-header {
            background: var(--primary);
            border-bottom: 1px solid #1F2937;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }
        .brand {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .brand a {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            text-decoration: none;
            line-height: 1.2;
            transition: color var(--transition);
        }
        .brand a:hover {
            color: var(--secondary);
        }
        .brand-divider {
            width: 2px;
            height: 30px;
            background: var(--secondary);
            margin-left: 1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: nowrap;
        }
        .nav-links a {
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 10px 14px;
            text-decoration: none;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .nav-links a:hover::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-links a.active {
            color: var(--secondary);
            font-weight: 600;
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            background: var(--secondary);
            border-radius: 3px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid #374151;
            color: #fff;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            align-items: center;
            gap: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: #1a1d24;
        }
        .nav-toggle-icon {
            font-size: 1.3rem;
            line-height: 1;
        }
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 10px 10px;
                font-size: 0.85rem;
            }
            .brand a {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            .nav-wrapper {
                flex-wrap: wrap;
                padding: 0.75rem 0;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                background: var(--primary);
                border-top: 1px solid #1F2937;
                margin-top: 0.75rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 14px 0;
                border-bottom: 1px solid #1F2937;
                font-size: 1rem;
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active::before {
                left: 0;
                top: 50%;
                transform: translateY(-50%);
            }
            .brand-divider {
                display: none;
            }
        }
        /* 分类头部 */
        .category-head {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            padding: 2rem 0 1.75rem;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--secondary-dark);
        }
        .breadcrumb-sep {
            color: #9CA3AF;
        }
        .breadcrumb-current {
            color: var(--text-main);
            font-weight: 600;
        }
        .category-title-row {
            display: flex;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 1rem 2rem;
        }
        .category-title-row h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.25;
            margin: 0;
        }
        .category-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.75;
            margin-top: 0.75rem;
        }
        @media (max-width: 640px) {
            .category-title-row h1 {
                font-size: 1.6rem;
            }
            .category-head {
                padding: 1.5rem 0;
            }
        }
        /* 数据列表主体 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stats-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .stats-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--secondary);
        }
        .stats-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .stats-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .stats-card:hover .stats-card-img img {
            transform: scale(1.03);
        }
        .stats-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .stats-card-date {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .stats-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 0.6rem;
        }
        .stats-card-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }
        .stats-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-decoration: none;
            transition: color var(--transition);
        }
        .stats-card-link:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .stats-card-link .arrow {
            transition: transform var(--transition);
        }
        .stats-card-link:hover .arrow {
            transform: translateX(4px);
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-card-body {
                padding: 1rem 1rem 1.25rem;
            }
        }
        /* 查看更多按钮行 */
        .view-more-row {
            text-align: center;
            margin-top: 2rem;
        }
        /* 热门推荐 */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-white);
            padding: 0.9rem 1rem;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-decoration: none;
        }
        .hot-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
        }
        .hot-item-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            flex-shrink: 0;
            width: 36px;
            text-align: center;
        }
        .hot-item-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 0.15rem;
        }
        .hot-item-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .hot-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .hot-list {
                grid-template-columns: 1fr;
            }
        }
        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .tag-pill {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-body);
            font-size: 0.875rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
        }
        .tag-pill:hover {
            border-color: var(--secondary);
            background: rgba(0, 229, 160, 0.06);
            color: var(--secondary-dark);
            text-decoration: none;
            transform: translateY(-1px);
        }
        .tag-pill.active {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--primary);
            font-weight: 600;
        }
        /* 订阅表单 */
        .subscribe-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 2rem;
            max-width: 640px;
            margin: 0 auto;
            border: 1px solid var(--border);
        }
        .subscribe-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }
        .subscribe-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-sp);
            border: 1px solid #D1D5DB;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            color: var(--text-main);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }
        .privacy-hint {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            margin-bottom: 0;
        }
        @media (max-width: 640px) {
            .subscribe-card {
                padding: 1.25rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }
        /* 数据亮点 */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .highlight-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .highlight-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-dark);
            line-height: 1.2;
            margin-bottom: 0.25rem;
        }
        .highlight-unit {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .highlight-label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            margin-top: 0.25rem;
        }
        @media (max-width: 1024px) {
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .highlight-number {
                font-size: 1.8rem;
            }
        }
        /* FAQ 手风琴 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #D1D5DB;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--bg-white);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--secondary);
            color: var(--primary);
        }
        .faq-answer {
            display: none;
            padding: 1rem 1.25rem 1.25rem;
            border-top: 1px solid var(--border);
            font-size: 0.925rem;
            color: var(--text-body);
            line-height: 1.75;
            background: var(--bg-white);
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        @media (max-width: 640px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 0.85rem 1rem;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0.85rem 1rem 1rem;
            }
        }
        /* CTA */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .cta-banner p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            font-size: 0.95rem;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.08);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 179, 0, 0.06);
            pointer-events: none;
        }
        @media (max-width: 640px) {
            .cta-banner {
                padding: 1.75rem 1.25rem;
            }
            .cta-banner h2 {
                font-size: 1.3rem;
            }
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 3.5rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-sub h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.35rem;
        }
        .footer-links a {
            color: var(--text-light);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-sub form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .footer-sub input[type="email"] {
            flex: 1;
            min-width: 160px;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #374151;
            background: #1a1d24;
            color: #fff;
            font-size: 0.875rem;
            transition: border-color var(--transition);
        }
        .footer-sub input[type="email"]::placeholder {
            color: #6B7280;
        }
        .footer-sub input[type="email"]:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .footer-bottom {
            border-top: 1px solid #1F2937;
            padding-top: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom .sep {
            margin: 0 0.5rem;
            color: #374151;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer {
                padding: 2.5rem 0 1.5rem;
                margin-top: 2.5rem;
            }
        }
        /* 面包屑响应式 */
        @media (max-width: 640px) {
            .section {
                padding: var(--section-pad-mobile);
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .section-header {
                margin-bottom: 1.5rem;
            }
            .category-title-row h1 {
                font-size: 1.5rem;
            }
            .category-title-row {
                gap: 0.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px;
            }
        }
        /* 数据统计分类页的特殊样式 */
        .stats-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: rgba(0, 229, 160, 0.12);
            color: var(--secondary-dark);
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-bottom: 0.75rem;
        }
        .stats-icon.accent {
            background: rgba(255, 179, 0, 0.12);
            color: var(--accent);
        }