/* roulang page: index */
:root {
            --primary: #6D28D9;
            --primary-hover: #5B21B6;
            --primary-light: #7C3AED;
            --accent-pink: #EC4899;
            --accent-cyan: #06B6D4;
            --bg-base: #F8FAFC;
            --bg-subtle: #F5F3FF;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-light: rgba(124, 58, 237, 0.08);
            --border-subtle: #E2E8F0;
            --shadow-sm: 0 4px 20px -2px rgba(109, 40, 217, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(109, 40, 217, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(109, 40, 217, 0.25);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box-mini {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: var(--radius-full);
            padding: 6px 14px;
            transition: var(--transition);
        }

        .search-box-mini:focus-within {
            border-color: var(--primary-light);
            background: #FFF;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        .search-box-mini input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            width: 110px;
            transition: width 0.3s;
        }

        .search-box-mini input:focus {
            width: 160px;
        }

        .btn-header {
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #FFF;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            border-radius: var(--radius-full);
            box-shadow: 0 4px 14px rgba(109, 40, 217, 0.2);
        }

        .btn-header:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        /* 基础 Section 规范 */
        .section-wrap {
            padding-top: 84px;
            padding-bottom: 84px;
        }

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

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(109, 40, 217, 0.08);
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块一：Hero 首屏大图叙事 */
        .hero-section {
            position: relative;
            background: #0B0E17 url('/assets/images/7c532257aa1d27a2.webp') center/cover no-repeat;
            color: #FFF;
            padding: 120px 0 130px;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 14, 23, 0.92) 0%, rgba(30, 27, 75, 0.85) 60%, rgba(109, 40, 217, 0.45) 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            font-size: 13px;
            margin-bottom: 24px;
            color: #E2E8F0;
        }

        .hero-badge-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
            background: linear-gradient(120deg, #FFFFFF, #E2E8F0 60%, #DDD6FE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.8;
            color: #CBD5E1;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary-large {
            padding: 14px 34px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            color: #FFF;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            box-shadow: 0 6px 22px rgba(109, 40, 217, 0.35);
        }

        .btn-primary-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(109, 40, 217, 0.45);
        }

        .btn-secondary-large {
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: #FFF;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-secondary-large:hover {
            background: rgba(255, 255, 255, 0.22);
        }

        .hero-meta-bar {
            margin-top: 48px;
            display: flex;
            gap: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
        }

        .hero-meta-item strong {
            display: block;
            font-size: 22px;
            font-weight: 700;
            color: #FFF;
        }

        .hero-meta-item span {
            font-size: 13px;
            color: #94A3B8;
        }

        /* 通用卡片网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        /* 板块二：痛点卡片 */
        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(236, 72, 153, 0.3);
        }

        .pain-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: #FEE2E2;
            color: #DC2626;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 19px;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .pain-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块三：解决方案 */
        .solution-row {
            display: flex;
            align-items: center;
            gap: 48px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .solution-img-box {
            flex: 1;
            border-radius: var(--radius-md);
            overflow: hidden;
            max-height: 380px;
        }

        .solution-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .solution-img-box:hover img {
            transform: scale(1.03);
        }

        .solution-info {
            flex: 1.1;
        }

        .solution-list-item {
            display: flex;
            gap: 16px;
            margin-bottom: 22px;
        }

        .solution-icon-wrap {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(109, 40, 217, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }

        .solution-text h4 {
            font-size: 17px;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .solution-text p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块四：方法步骤 */
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            border: 1px solid var(--border-light);
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .step-num {
            font-size: 38px;
            font-weight: 800;
            color: rgba(109, 40, 217, 0.15);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .step-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块五：成果数据面板 */
        .stat-panel-wrap {
            background: linear-gradient(135deg, #1E1B4B, #0F172A);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            color: #FFF;
            box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.3);
        }

        .stat-card-item {
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0 16px;
        }

        .stat-card-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 8px;
            background: linear-gradient(135deg, #FFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: #94A3B8;
        }

        /* 板块六：评价证言 */
        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-quote {
            font-size: 14px;
            color: #334155;
            line-height: 1.7;
            margin-bottom: 24px;
            position: relative;
        }

        .user-profile {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .user-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-pink));
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
        }

        .user-meta h4 {
            font-size: 15px;
            color: var(--text-main);
        }

        .user-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块七：适用人群画像 */
        .persona-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .persona-thumb {
            height: 160px;
            overflow: hidden;
        }

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

        .persona-body {
            padding: 24px;
        }

        .persona-body h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .persona-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块八：分类专区入口板块 */
        .category-hub-card {
            background: linear-gradient(145deg, #FFFFFF, #F5F3FF);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .category-hub-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .cat-hub-icon {
            font-size: 28px;
            margin-bottom: 16px;
        }

        .category-hub-card h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .category-hub-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .cat-action-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cat-action-link:hover {
            color: var(--primary-hover);
            transform: translateX(4px);
        }

        /* 板块九：CMS 资讯动态 */
        .cms-layout-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.8fr;
            gap: 32px;
        }

        .cms-focus-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .cms-focus-cover {
            height: 220px;
            overflow: hidden;
        }

        .cms-focus-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cms-focus-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cms-focus-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cms-focus-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .cms-meta-line {
            font-size: 12px;
            color: #94A3B8;
            display: flex;
            justify-content: space-between;
        }

        .cms-feed-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cms-feed-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .cms-feed-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(109, 40, 217, 0.25);
        }

        .cms-feed-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .cms-feed-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-feed-date {
            font-size: 12px;
            color: #94A3B8;
            white-space: nowrap;
        }

        .cms-empty-box {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-subtle);
            color: var(--text-muted);
            font-size: 15px;
        }

        /* 板块十：指标与安全 */
        .sec-metric-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .sec-metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .sec-metric-content h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .sec-metric-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块十一：生态专题 */
        .eco-banner {
            background: linear-gradient(135deg, #2E1065, #4C1D95);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
        }

        .eco-banner-text {
            max-width: 680px;
        }

        .eco-banner-text h3 {
            font-size: 26px;
            margin-bottom: 12px;
        }

        .eco-banner-text p {
            font-size: 15px;
            color: #DDD6FE;
            line-height: 1.7;
        }

        .btn-eco {
            padding: 12px 28px;
            background: #FFF;
            color: var(--primary);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-eco:hover {
            background: #F5F3FF;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        /* 板块十二：FAQ 手风琴 */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-summary {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-summary::-webkit-details-marker {
            display: none;
        }

        .faq-summary::after {
            content: '＋';
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.2s;
        }

        details[open] .faq-summary::after {
            content: '－';
        }

        .faq-content {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid #F1F5F9;
            margin-top: -4px;
            padding-top: 16px;
        }

        /* 板块十三：终极收口行动 CTA */
        .cta-final-box {
            position: relative;
            background: radial-gradient(circle at center, #4C1D95 0%, #1E1B4B 100%);
            border-radius: var(--radius-lg);
            padding: 72px 32px;
            text-align: center;
            color: #FFF;
            overflow: hidden;
            box-shadow: 0 24px 48px -12px rgba(76, 29, 149, 0.4);
        }

        .cta-final-box::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(109, 40, 217, 0) 70%);
            pointer-events: none;
        }

        .cta-final-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-final-box p {
            font-size: 16px;
            color: #DDD6FE;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        .cta-action-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 2;
        }

        /* 全局页脚 */
        .site-footer {
            background: #0B0F19;
            color: #94A3B8;
            padding-top: 64px;
            padding-bottom: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: #FFF;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            line-height: 1.7;
            color: #64748B;
            margin-bottom: 20px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a:hover {
            color: #FFF;
            transform: translateX(3px);
        }

        .footer-meta-box {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-meta-box span {
            display: block;
            font-size: 12px;
            color: #64748B;
            margin-bottom: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #64748B;
        }

        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #94A3B8;
            cursor: pointer;
        }

        .back-to-top:hover {
            color: #FFF;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .cms-layout-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-wrap {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .hero-section {
                padding: 72px 0 80px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-meta-bar {
                flex-direction: column;
                gap: 18px;
            }
            .grid-3, .grid-4, .grid-2 {
                grid-template-columns: 1fr;
            }
            .solution-row {
                flex-direction: column;
                padding: 24px;
            }
            .stat-panel-wrap {
                padding: 36px 20px;
            }
            .stat-card-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 16px 0;
            }
            .stat-card-item:last-child {
                border-bottom: none;
            }
            .eco-banner {
                flex-direction: column;
                text-align: center;
                padding: 32px 20px;
            }
            .site-nav {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 14px;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #6D28D9;
            --primary-hover: #5B21B6;
            --primary-light: #7C3AED;
            --accent-pink: #EC4899;
            --accent-cyan: #06B6D4;
            --bg-base: #F8FAFC;
            --bg-subtle: #F5F3FF;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-light: rgba(124, 58, 237, 0.08);
            --border-subtle: #E2E8F0;
            --shadow-sm: 0 4px 20px -2px rgba(109, 40, 217, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(109, 40, 217, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(109, 40, 217, 0.25);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box-mini {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: var(--radius-full);
            padding: 6px 14px;
            transition: var(--transition);
        }

        .search-box-mini:focus-within {
            border-color: var(--primary-light);
            background: #FFF;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        .search-box-mini input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            width: 110px;
            transition: width 0.3s;
        }

        .search-box-mini input:focus {
            width: 160px;
        }

        .btn-header {
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #FFF;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            border-radius: var(--radius-full);
            box-shadow: 0 4px 14px rgba(109, 40, 217, 0.2);
        }

        .btn-header:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        /* 文章详情页主体 */
        .article-main-container {
            padding-top: 40px;
            padding-bottom: 70px;
        }

        /* 板块一：头部与元数据 */
        .article-header-section {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 40px 48px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .article-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent-pink), var(--accent-cyan));
        }

        .article-breadcrumbs {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

        .article-breadcrumbs span.sep {
            color: #CBD5E1;
        }

        .article-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            padding-top: 18px;
            border-top: 1px solid var(--border-subtle);
        }

        .meta-tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(109, 40, 217, 0.08);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 13px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 板块二：白皮书导读/核心提要 */
        .article-brief-section {
            background: linear-gradient(135deg, rgba(245, 243, 255, 0.85), #FFFFFF);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 24px 30px;
            margin-bottom: 36px;
            box-shadow: var(--shadow-sm);
        }

        .brief-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .brief-text {
            font-size: 15px;
            line-height: 1.8;
            color: #334155;
        }

        /* 核心两栏排版框架：左正文，右边栏 (白皮书获客与下载) */
        .article-layout-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* 板块三：正文排版容器 */
        .article-content-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 48px;
        }

        .article-body {
            font-size: 17px;
            line-height: 1.85;
            color: #1E293B;
            word-wrap: break-word;
        }

        .article-body p {
            margin-bottom: 22px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 36px;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 28px;
            margin-bottom: 14px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 28px 0;
            box-shadow: var(--shadow-sm);
            width: 100%;
            object-fit: cover;
        }

        .article-body blockquote {
            background: #F8FAFC;
            border-left: 4px solid var(--accent-pink);
            padding: 16px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #475569;
            font-style: italic;
        }

        .article-body ul, .article-body ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .not-found-wrap {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-wrap h2 {
            font-size: 26px;
            color: #64748B;
            margin-bottom: 16px;
        }

        .not-found-wrap a {
            display: inline-block;
            margin-top: 14px;
            padding: 10px 24px;
            background: var(--primary);
            color: #FFF;
            border-radius: var(--radius-full);
            font-weight: 600;
        }

        /* 侧边栏：白皮书获客与资料下载 */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
            position: sticky;
            top: 96px;
        }

        .whitepaper-widget {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            position: relative;
            overflow: hidden;
        }

        .whitepaper-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
            height: 160px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

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

        .whitepaper-cover-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(15, 23, 42, 0.85);
            color: #F8FAFC;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
        }

        .whitepaper-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .whitepaper-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .whitepaper-list {
            list-style: none;
            margin-bottom: 22px;
            padding-bottom: 18px;
            border-bottom: 1px dashed var(--border-subtle);
        }

        .whitepaper-list li {
            font-size: 13px;
            color: #475569;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .whitepaper-list li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        .lead-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .lead-input {
            width: 100%;
            padding: 10px 14px;
            font-size: 13px;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            background: #F8FAFC;
            transition: var(--transition);
        }

        .lead-input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFF;
            box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
        }

        .btn-download-action {
            width: 100%;
            padding: 12px;
            font-size: 14px;
            font-weight: 600;
            text-align: center;
            color: #FFFFFF;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(109, 40, 217, 0.2);
            transition: var(--transition);
        }

        .btn-download-action:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        .form-notice {
            font-size: 11px;
            color: #94A3B8;
            text-align: center;
            margin-top: 4px;
        }

        /* 板块四：版权声明与互动操作 */
        .article-copyright-section {
            margin-top: 36px;
            padding: 24px;
            background: #F8FAFC;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .copyright-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .copyright-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .article-action-group {
            display: flex;
            gap: 12px;
        }

        .btn-action-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #FFFFFF;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-action-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* 板块五：上下篇切换导航 */
        .article-pagination-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 36px;
        }

        .pag-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .pag-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .pag-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

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

        /* 板块六：深度关联推荐板块 */
        .related-section {
            margin-top: 56px;
        }

        .section-header-compact {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 24px;
        }

        .section-header-compact h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            position: relative;
            padding-left: 14px;
        }

        .section-header-compact h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .related-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .related-thumb {
            height: 150px;
            overflow: hidden;
            position: relative;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

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

        .related-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .related-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

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

        .related-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
        }

        /* 板块七：底部社区互动留言引导 */
        .discussion-section {
            margin-top: 56px;
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 36px 40px;
        }

        .discussion-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .discussion-header h4 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
        }

        .discussion-header span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .discussion-box {
            display: flex;
            gap: 18px;
            margin-bottom: 24px;
        }

        .user-avatar-mock {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #CBD5E1, #94A3B8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: bold;
            font-size: 14px;
            flex-shrink: 0;
        }

        .input-area-wrap {
            flex: 1;
        }

        .comment-textarea {
            width: 100%;
            height: 90px;
            padding: 14px;
            font-size: 14px;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            background: #F8FAFC;
            resize: none;
            transition: var(--transition);
        }

        .comment-textarea:focus {
            outline: none;
            background: #FFF;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.1);
        }

        .discussion-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
        }

        .guideline-text {
            font-size: 12px;
            color: #94A3B8;
        }

        .btn-submit-comment {
            padding: 8px 22px;
            background: var(--primary);
            color: #FFF;
            border: none;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit-comment:hover {
            background: var(--primary-hover);
        }

        /* 统一页脚 */
        .site-footer {
            background: #0B0E17;
            color: #94A3B8;
            padding: 80px 0 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 56px;
        }

        .footer-brand h4 {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #64748B;
            margin-bottom: 24px;
            max-width: 360px;
        }

        .footer-meta-box {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            display: inline-flex;
            flex-direction: column;
            gap: 4px;
        }

        .footer-meta-box span {
            font-size: 11px;
            color: #64748B;
            text-transform: uppercase;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #94A3B8;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        .back-to-top {
            display: inline-block;
            cursor: pointer;
            color: var(--accent-cyan;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            background: rgba(6, 182, 212, 0.1);
            border: 1px solid rgba(6, 182, 212, 0.2);
            border-radius: var(--radius-full);
            transition: var(--transition);
        }

        .back-to-top:hover {
            background: var(--accent-cyan);
            color: #0B0E17;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #64748B;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .article-layout-grid {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .article-header-section {
                padding: 24px 20px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-content-card {
                padding: 24px 20px;
            }

            .article-pagination-nav {
                grid-template-columns: 1fr;
            }

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

            .discussion-section {
                padding: 24px 18px;
            }

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

            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .search-box-mini {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6D28D9;
            --primary-hover: #5B21B6;
            --primary-light: #7C3AED;
            --accent-pink: #EC4899;
            --accent-cyan: #06B6D4;
            --bg-base: #F8FAFC;
            --bg-subtle: #F5F3FF;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-light: rgba(124, 58, 237, 0.08);
            --border-subtle: #E2E8F0;
            --shadow-sm: 0 4px 20px -2px rgba(109, 40, 217, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(109, 40, 217, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(109, 40, 217, 0.25);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box-mini {
            display: flex;
            align-items: center;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: var(--radius-full);
            padding: 6px 14px;
            transition: var(--transition);
        }

        .search-box-mini:focus-within {
            border-color: var(--primary-light);
            background: #FFF;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        .search-box-mini input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            width: 110px;
            transition: width 0.3s;
        }

        .search-box-mini input:focus {
            width: 160px;
        }

        .btn-header {
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #FFF;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            border-radius: var(--radius-full);
            box-shadow: 0 4px 14px rgba(109, 40, 217, 0.2);
        }

        .btn-header:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        /* 分类页通用板块样式 */
        .cat-section {
            padding: 72px 0;
            position: relative;
        }

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

        .cat-section-head {
            margin-bottom: 36px;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
        }

        .cat-section-head.center {
            text-align: center;
            flex-direction: column;
            align-items: center;
        }

        .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background: rgba(109, 40, 217, 0.08);
            border-radius: var(--radius-full);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cat-section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .cat-section-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
            max-width: 680px;
        }

        /* 板块一：分类专有顶部导航栏与 H1 区域 */
        .cat-header-hero {
            background: linear-gradient(180deg, #FFFFFF 0%, #F5F3FF 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
        }

        .cat-breadcrumbs {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

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

        .cat-h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.8px;
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .cat-lead {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 860px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .cat-tags-stream {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .tag-pill {
            padding: 6px 16px;
            background: #FFFFFF;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            color: #475569;
            transition: var(--transition);
        }

        .tag-pill:hover, .tag-pill.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(109, 40, 217, 0.2);
        }

        /* 板块二：多维过滤与排序控制台 */
        .filter-console-wrap {
            padding: 24px 0 0;
        }

        .filter-panel {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .filter-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            min-width: 70px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }

        .opt-btn {
            padding: 5px 14px;
            font-size: 13px;
            border-radius: 6px;
            background: transparent;
            color: #334155;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .opt-btn:hover {
            background: var(--bg-subtle);
            color: var(--primary);
        }

        .opt-btn.active {
            background: rgba(109, 40, 217, 0.1);
            color: var(--primary);
            font-weight: 600;
            border-color: rgba(109, 40, 217, 0.2);
        }

        .filter-bottom-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px dashed var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

        .sort-triggers {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .sort-item {
            cursor: pointer;
            transition: var(--transition);
        }

        .sort-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* 板块三：91次元 分类核心聚合列表主体 */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .post-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: #E2E8F0;
        }

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

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

        .post-tag-floating {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(6px);
            color: #FFF;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

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

        .post-meta-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .post-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .post-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            padding-top: 10px;
            border-top: 1px solid #F1F5F9;
        }

        .grid-empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: #FFFFFF;
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-md);
            color: var(--text-muted);
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 48px;
        }

        .btn-more {
            display: inline-block;
            padding: 12px 36px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .btn-more:hover {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 8px 24px rgba(109, 40, 217, 0.2);
        }

        /* 板块四：分类热门排行榜板块 */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .rank-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .rank-num {
            font-size: 24px;
            font-weight: 900;
            color: #CBD5E1;
            line-height: 1;
            margin-bottom: 12px;
        }

        .rank-card:nth-child(1) .rank-num {
            color: #F59E0B;
        }

        .rank-card:nth-child(2) .rank-num {
            color: #94A3B8;
        }

        .rank-card:nth-child(3) .rank-num {
            color: #D97706;
        }

        .rank-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .rank-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
        }

        .rank-trend {
            color: #10B981;
            font-weight: 600;
        }

        /* 板块五：分类专题精选推荐 */
        .specials-dual {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .special-box {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

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

        .special-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .special-tag {
            align-self: flex-start;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            background: rgba(236, 72, 153, 0.1);
            color: var(--accent-pink);
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }

        .special-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .special-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .special-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 13px;
            color: #334155;
        }

        .special-points li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .special-points li::before {
            content: '✓';
            color: var(--accent-cyan);
            font-weight: 800;
        }

        /* 板块六：该分类受众互动与阅读指引 */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .guide-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--bg-subtle);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .guide-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .guide-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 板块七：分类订阅与动态通知 CTA */
        .cat-subscribe-section {
            background: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
            color: #FFF;
            padding: 64px 0;
            border-radius: var(--radius-lg);
            margin: 20px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 0 20px;
        }

        .sub-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .sub-desc {
            font-size: 15px;
            color: #C7D2FE;
            line-height: 1.6;
            margin-bottom: 28px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto 16px;
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #FFF;
            font-size: 14px;
            outline: none;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .subscribe-input::placeholder {
            color: #A5B4FC;
        }

        .subscribe-input:focus {
            border-color: #FFF;
            background: rgba(255, 255, 255, 0.18);
        }

        .subscribe-btn {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-pink), var(--primary-light));
            border: none;
            color: #FFF;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(236, 72, 153, 0.4);
            transition: var(--transition);
        }

        .subscribe-btn:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        .subscribe-tips {
            font-size: 12px;
            color: #818CF8;
        }

        /* 页脚系统 */
        .site-footer {
            background-color: #0F172A;
            color: #E2E8F0;
            padding: 72px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 56px;
        }

        .footer-brand h4 {
            font-size: 22px;
            font-weight: 800;
            color: #FFF;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-meta-box {
            display: flex;
            flex-direction: column;
            gap: 4px;
            font-size: 12px;
            color: #64748B;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 13px;
            color: #94A3B8;
        }

        .footer-links a:hover {
            color: #FFF;
            transform: translateX(3px);
        }

        .back-to-top {
            display: inline-block;
            cursor: pointer;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: #CBD5E1;
            transition: var(--transition);
        }

        .back-to-top:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #FFF;
        }

        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #64748B;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-actions .search-box-mini {
                display: none;
            }
            .cat-h1 {
                font-size: 28px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .specials-dual {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .cat-section {
                padding: 48px 0;
            }
        }

        @media (max-width: 520px) {
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }