/* roulang page: index */
:root {
      --bg-dark-1: #060A17;
      --bg-dark-2: #0C132B;
      --bg-dark-3: #121C3E;
      --card-bg: rgba(18, 28, 62, 0.72);
      --card-border: rgba(64, 128, 255, 0.2);
      --cyan-neon: #00D2FF;
      --green-neon: #00FFA3;
      --gold-neon: #FFD000;
      --text-main: #F0F4FC;
      --text-secondary: #A0AEC0;
      --text-muted: #64748B;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
      --glow-btn: 0 0 16px rgba(0, 210, 255, 0.4);
      --glow-btn-hover: 0 0 28px rgba(0, 210, 255, 0.75);
      --transition-fast: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    body {
      background-color: var(--bg-dark-1);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.68;
      overflow-x: hidden;
      font-size: 16px;
    }

    a {
      color: var(--cyan-neon);
      text-decoration: none;
      transition: var(--transition-fast);
    }
    a:hover {
      color: var(--green-neon);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-md);
    }

    /* 顶部导航 */
    .portal-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(6, 10, 23, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 210, 255, 0.22);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
    .top-meta-row {
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      padding: 8px 0;
      font-size: 13px;
    }
    .status-capsule {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 2px 10px;
      border-radius: 20px;
      background: rgba(0, 255, 163, 0.12);
      color: var(--green-neon);
      border: 1px solid rgba(0, 255, 163, 0.3);
    }
    .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green-neon);
      box-shadow: 0 0 8px var(--green-neon);
    }
    .nav-keyword-pills a {
      font-size: 12px;
      color: var(--text-secondary);
      background: rgba(255, 255, 255, 0.04);
      padding: 3px 9px;
      border-radius: 4px;
      margin-left: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .nav-keyword-pills a:hover {
      color: var(--cyan-neon);
      border-color: var(--cyan-neon);
    }

    .main-nav-row {
      padding: 12px 0;
    }
    .brand-logo-text {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-text span {
      background: linear-gradient(90deg, #ffffff, var(--cyan-neon));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-menu-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
      margin: 0;
    }
    .nav-menu-links a {
      color: var(--text-secondary);
      font-size: 15px;
      font-weight: 500;
      position: relative;
      padding: 4px 0;
    }
    .nav-menu-links a:hover,
    .nav-menu-links a.active {
      color: #ffffff;
    }
    .nav-menu-links a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--cyan-neon);
      box-shadow: 0 0 10px var(--cyan-neon);
    }

    /* 按钮组件 */
    .btn-glow-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #00A6FF, #00D2FF);
      color: #030816;
      font-weight: 700;
      padding: 12px 26px;
      border-radius: 8px;
      box-shadow: var(--glow-btn);
      border: none;
      cursor: pointer;
      transition: var(--transition-fast);
      font-size: 15px;
    }
    .btn-glow-primary:hover {
      transform: translateY(-2px);
      box-shadow: var(--glow-btn-hover);
      color: #000000;
    }
    .btn-glow-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(18, 28, 62, 0.4);
      color: var(--text-main);
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 8px;
      border: 1px solid rgba(0, 210, 255, 0.4);
      transition: var(--transition-fast);
      font-size: 15px;
    }
    .btn-glow-outline:hover {
      background: rgba(0, 210, 255, 0.15);
      border-color: var(--cyan-neon);
      color: #ffffff;
      box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
    }

    /* 通用板块与排版 */
    .site-section {
      padding: 85px 0;
      position: relative;
    }
    .section-dark-alt {
      background-color: var(--bg-dark-2);
      border-top: 1px solid rgba(255, 255, 255, 0.03);
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .section-title-wrap {
      margin-bottom: 50px;
    }
    .section-pill-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--cyan-neon);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      padding: 4px 14px;
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.25);
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: #ffffff;
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-desc {
      color: var(--text-secondary);
      font-size: 16px;
      max-width: 820px;
      line-height: 1.75;
    }

    /* 玻璃拟态卡片 */
    .glass-card {
      background: var(--card-bg);
      backdrop-filter: blur(14px);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      padding: 28px;
      height: 100%;
      transition: var(--transition-fast);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: rgba(0, 210, 255, 0.5);
      transform: translateY(-4px);
      box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
    }

    /* 1. Hero 沉浸首屏 */
    .hero-banner-section {
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.12) 0%, transparent 60%),
                  radial-gradient(circle at 20% 80%, rgba(0, 255, 163, 0.08) 0%, transparent 50%),
                  var(--bg-dark-1);
      position: relative;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 208, 0, 0.15);
      border: 1px solid var(--gold-neon);
      color: var(--gold-neon);
      padding: 4px 14px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: #ffffff;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-title em {
      font-style: normal;
      background: linear-gradient(90deg, var(--cyan-neon), var(--green-neon));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead-text {
      color: var(--text-secondary);
      font-size: 17px;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-metrics-pill-bar {
      display: flex;
      gap: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
    }
    .metric-micro-item strong {
      display: block;
      font-size: 24px;
      color: #ffffff;
      font-weight: 700;
    }
    .metric-micro-item span {
      font-size: 13px;
      color: var(--text-muted);
    }
    .hero-visual-card {
      position: relative;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(0, 210, 255, 0.3);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
      overflow: hidden;
      background: var(--bg-dark-3);
    }
    .hero-card-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(6, 10, 23, 0.95) 85%);
      padding: 24px;
    }

    /* 2. 痛点阻碍矩阵 */
    .pain-number {
      font-size: 12px;
      font-weight: 800;
      color: #FF5A79;
      background: rgba(255, 90, 121, 0.15);
      border: 1px solid rgba(255, 90, 121, 0.35);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 14px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }
    .pain-desc {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* 3. 解决方案系统 */
    .solution-item-box {
      border-left: 2px solid var(--cyan-neon);
      padding-left: 20px;
      margin-bottom: 24px;
    }
    .solution-item-box h4 {
      font-size: 17px;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .solution-item-box p {
      font-size: 14px;
      color: var(--text-secondary);
      margin: 0;
    }

    /* 4. 四阶实施步骤 */
    .step-card {
      position: relative;
      padding: 24px;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      height: 100%;
    }
    .step-num-glow {
      font-size: 32px;
      font-weight: 900;
      color: rgba(0, 210, 255, 0.25);
      line-height: 1;
      margin-bottom: 10px;
    }
    .step-card h4 {
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 5. 成果表现数据看板 */
    .kpi-big-card {
      text-align: center;
      padding: 35px 20px;
      background: rgba(12, 19, 43, 0.85);
      border: 1px solid rgba(0, 210, 255, 0.25);
      border-radius: var(--radius-md);
      position: relative;
    }
    .kpi-big-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 30%;
      right: 30%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--cyan-neon), transparent);
    }
    .kpi-val {
      font-size: 42px;
      font-weight: 800;
      color: #ffffff;
      line-height: 1.1;
      margin-bottom: 8px;
      background: linear-gradient(180deg, #ffffff, var(--cyan-neon));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .kpi-label {
      font-size: 15px;
      color: var(--green-neon);
      font-weight: 600;
      margin-bottom: 6px;
    }
    .kpi-sub {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 6. 客户证言 */
    .quote-badge {
      color: var(--gold-neon);
      font-size: 18px;
      margin-bottom: 8px;
    }
    .quote-content {
      font-size: 14px;
      color: var(--text-main);
      font-style: italic;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .quote-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .user-avatar-tag {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--bg-dark-3), #203366);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--cyan-neon);
      border: 1px solid rgba(0, 210, 255, 0.3);
    }
    .user-info-text strong {
      display: block;
      font-size: 14px;
      color: #ffffff;
    }
    .user-info-text span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 7. 受众细分 */
    .persona-card {
      display: flex;
      flex-direction: column;
      height: 100%;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
    }
    .persona-card img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      border-radius: 0;
    }
    .persona-body {
      padding: 24px;
      flex: 1;
    }
    .persona-body h4 {
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 10px;
    }
    .persona-body p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* 8. 分类枢纽专区 */
    .category-hub-card {
      background: linear-gradient(135deg, rgba(18, 28, 62, 0.9), rgba(12, 19, 43, 0.95));
      border: 1px solid rgba(0, 210, 255, 0.35);
      border-radius: var(--radius-lg);
      padding: 40px;
      position: relative;
    }

    /* 9. 资讯观察 */
    .article-lead-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
    }
    .article-lead-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      border-radius: 0;
    }
    .article-lead-content {
      padding: 24px;
    }
    .news-list-item {
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .news-list-item:last-child {
      border-bottom: none;
    }
    .news-meta-date {
      font-size: 12px;
      color: var(--text-muted);
    }
    .news-title-link {
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
    }
    .news-title-link:hover {
      color: var(--cyan-neon);
    }

    /* 10. 节点覆盖指标表 */
    .node-table-wrapper {
      background: rgba(12, 19, 43, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .node-table {
      width: 100%;
      margin: 0;
      border-collapse: collapse;
      color: var(--text-main);
    }
    .node-table th {
      background: rgba(18, 28, 62, 0.85);
      padding: 14px 18px;
      font-size: 14px;
      color: var(--cyan-neon);
      text-align: left;
      border-bottom: 1px solid rgba(64, 128, 255, 0.2);
    }
    .node-table td {
      padding: 14px 18px;
      font-size: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      color: var(--text-secondary);
    }
    .node-table tr:hover td {
      background: rgba(0, 210, 255, 0.03);
      color: #ffffff;
    }

    /* 11. FAQ 手风琴 */
    .faq-accordion-box {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      padding: 22px 26px;
      transition: var(--transition-fast);
    }
    .faq-item-card:hover {
      border-color: rgba(0, 210, 255, 0.4);
    }
    .faq-q {
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q-tag {
      font-size: 12px;
      font-weight: 800;
      background: rgba(0, 210, 255, 0.15);
      color: var(--cyan-neon);
      padding: 2px 7px;
      border-radius: 4px;
    }
    .faq-a {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin: 0;
    }

    /* 12. 终极 CTA */
    .final-cta-section {
      padding: 90px 0;
      background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.15) 0%, rgba(6, 10, 23, 0.95) 75%), var(--bg-dark-2);
      border-top: 1px solid rgba(0, 210, 255, 0.2);
    }
    .cta-inner-panel {
      text-align: center;
      max-width: 780px;
      margin: 0 auto;
    }
    .cta-inner-panel h2 {
      font-size: 34px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .cta-inner-panel p {
      font-size: 16px;
      color: var(--text-secondary);
      margin-bottom: 30px;
    }

    /* 门户页脚 */
    .portal-footer {
      background: #03060E;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 30px 0;
      color: var(--text-secondary);
      font-size: 14px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-secondary);
    }
    .footer-links a:hover {
      color: var(--cyan-neon);
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 40px;
      padding-top: 25px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 响应式优化 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 36px;
      }
      .section-title {
        font-size: 28px;
      }
    }
    @media (max-width: 640px) {
      .site-section {
        padding: 50px 0;
      }
      .hero-banner-section {
        padding: 60px 0 40px 0;
      }
      .hero-title {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .hero-metrics-pill-bar {
        flex-direction: column;
        gap: 12px;
      }
      .category-hub-card {
        padding: 24px;
      }
    }

/* roulang page: category1 */
:root {
            --bg-dark-1: #060A17;
            --bg-dark-2: #0C132B;
            --bg-dark-3: #121C3E;
            --card-bg: rgba(18, 28, 62, 0.72);
            --card-border: rgba(64, 128, 255, 0.2);
            --cyan-neon: #00D2FF;
            --green-neon: #00FFA3;
            --gold-neon: #FFD000;
            --text-main: #F0F4FC;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
            --glow-btn: 0 0 16px rgba(0, 210, 255, 0.4);
            --glow-btn-hover: 0 0 28px rgba(0, 210, 255, 0.75);
            --transition-fast: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        body {
            background-color: var(--bg-dark-1);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.68;
            overflow-x: hidden;
            font-size: 16px;
        }
        
        a {
            color: var(--cyan-neon);
            text-decoration: none;
            transition: var(--transition-fast);
        }
        
        a:hover {
            color: var(--green-neon);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        /* 顶部导航 */
        .portal-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(6, 10, 23, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 210, 255, 0.22);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        
        .top-meta-row {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 8px 0;
            font-size: 13px;
        }
        
        .status-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--green-neon);
            background: rgba(0, 255, 163, 0.08);
            padding: 2px 10px;
            border-radius: 20px;
            border: 1px solid rgba(0, 255, 163, 0.2);
        }
        
        .status-dot {
            width: 7px;
            height: 7px;
            background-color: var(--green-neon);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--green-neon);
            animation: pulse-dot 2s infinite;
        }
        
        @keyframes pulse-dot {
            0% { opacity: 0.4; }
            50% { opacity: 1; }
            100% { opacity: 0.4; }
        }
        
        .nav-keyword-pills a {
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 9px;
            border-radius: 4px;
            margin-left: 6px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .nav-keyword-pills a:hover {
            color: var(--cyan-neon);
            border-color: var(--cyan-neon);
        }
        
        .main-nav-row {
            padding: 12px 0;
        }
        
        .brand-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .brand-logo-text span {
            background: linear-gradient(90deg, #ffffff, var(--cyan-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .nav-menu-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            margin: 0;
        }
        
        .nav-menu-links a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
        }
        
        .nav-menu-links a:hover,
        .nav-menu-links a.active {
            color: #ffffff;
        }
        
        .nav-menu-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--cyan-neon);
            box-shadow: 0 0 10px var(--cyan-neon);
        }

        /* 按钮体系 */
        .btn-glow-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #00A6FF, #00D2FF);
            color: #030816;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 8px;
            box-shadow: var(--glow-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-fast);
            font-size: 14px;
        }
        
        .btn-glow-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--glow-btn-hover);
            color: #000000;
        }
        
        .btn-glow-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(18, 28, 62, 0.4);
            color: var(--text-main);
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 8px;
            border: 1px solid rgba(0, 210, 255, 0.4);
            transition: var(--transition-fast);
            font-size: 14px;
        }
        
        .btn-glow-outline:hover {
            background: rgba(0, 210, 255, 0.15);
            border-color: var(--cyan-neon);
            color: #ffffff;
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
        }

        /* 通用板块与玻璃拟态 */
        .site-section {
            padding: 70px 0;
            position: relative;
        }
        
        .section-dark-alt {
            background-color: var(--bg-dark-2);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        
        .glass-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
            height: 100%;
            transition: var(--transition-fast);
            position: relative;
        }
        
        .glass-card:hover {
            border-color: rgba(0, 210, 255, 0.5);
            transform: translateY(-4px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
        }
        
        .section-pill-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--cyan-neon);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            padding: 4px 14px;
            background: rgba(0, 210, 255, 0.08);
            border: 1px solid rgba(0, 210, 255, 0.25);
            border-radius: 20px;
            margin-bottom: 12px;
        }
        
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        
        .section-desc {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        /* 1. 分类专属标头与聚合概览 */
        .cat-header-section {
            padding: 60px 0 40px 0;
            background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.12) 0%, transparent 70%), var(--bg-dark-1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }
        
        .cat-header-title {
            font-size: 34px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        
        .cat-header-intro {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 860px;
            margin: 0 auto 26px auto;
            line-height: 1.8;
        }
        
        .cat-stats-row {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
        }
        
        .stat-pill {
            background: rgba(18, 28, 62, 0.8);
            border: 1px solid rgba(0, 210, 255, 0.25);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .stat-pill strong {
            color: var(--cyan-neon);
            font-size: 16px;
            font-weight: 700;
        }

        /* 2. 多维条件过滤与标签矩阵 */
        .filter-toolbar-card {
            background: rgba(12, 19, 43, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(64, 128, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        
        .filter-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
        }
        
        .filter-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        
        .filter-label {
            color: var(--text-muted);
            font-size: 13px;
            font-weight: 600;
            width: 80px;
            flex-shrink: 0;
        }
        
        .filter-items {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }
        
        .filter-btn {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.09);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        
        .filter-btn:hover {
            color: var(--cyan-neon);
            border-color: rgba(0, 210, 255, 0.4);
        }
        
        .filter-btn.active {
            background: rgba(0, 210, 255, 0.15);
            border-color: var(--cyan-neon);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
        }

        /* 3. 精选置顶重点专题卡 */
        .featured-card-horizontal {
            display: flex;
            flex-direction: row;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            transition: var(--transition-fast);
        }
        
        .featured-card-horizontal:hover {
            border-color: rgba(0, 210, 255, 0.6);
            box-shadow: 0 12px 36px rgba(0, 210, 255, 0.2);
            transform: translateY(-3px);
        }
        
        .featured-cover-box {
            width: 42%;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        
        .featured-cover-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        
        .featured-card-horizontal:hover .featured-cover-box img {            transform: scale(1.04);
        }
        
        .featured-content-box {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex: 1;
        }
        
        .topic-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            background: rgba(0, 255, 163, 0.15);
            color: var(--green-neon);
            border: 1px solid rgba(0, 255, 163, 0.3);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        
        .topic-title {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        
        .topic-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        
        .topic-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }

        /* 4. 核心列表卡片网格主体 */
        .article-grid-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--transition-fast);
        }
        
        .article-grid-card:hover {
            border-color: var(--cyan-neon);
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 210, 255, 0.25);
        }
        
        .article-thumb-box {
            height: 180px;
            position: relative;
            overflow: hidden;
        }
        
        .article-thumb-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        
        .article-grid-card:hover .article-thumb-box img {
            transform: scale(1.05);
        }
        
        .category-floating-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(6, 10, 23, 0.82);
            backdrop-filter: blur(8px);
            font-size: 11px;
            font-weight: 600;
            color: var(--cyan-neon);
            padding: 3px 9px;
            border-radius: 4px;
            border: 1px solid rgba(0, 210, 255, 0.4);
        }
        
        .article-body-box {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        
        .article-body-box h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: #ffffff;
            margin-bottom: 10px;
        }
        
        .article-body-box p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        
        .article-foot-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 12px;
        }

        /* 分页器 */
        .pagination-container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 40px;
        }
        
        .pager-btn {
            background: rgba(18, 28, 62, 0.6);
            border: 1px solid rgba(64, 128, 255, 0.2);
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        
        .pager-btn:hover,
        .pager-btn.current {
            background: rgba(0, 210, 255, 0.15);
            border-color: var(--cyan-neon);
            color: #ffffff;
            box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
        }

        /* 5. 分类领域深度知识背景 */
        .knowledge-side-visual {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(64, 128, 255, 0.3);
            box-shadow: var(--shadow-card);
        }
        
        .knowledge-side-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        
        .visual-overlay-spec {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(6, 10, 23, 0.95) 80%);
            padding: 24px;
        }
        
        .param-table-mini {
            width: 100%;
            font-size: 12px;
            margin-top: 8px;
            border-collapse: collapse;
        }
        
        .param-table-mini td {
            padding: 4px 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }
        
        .param-table-mini td:last-child {
            text-align: right;
            color: var(--cyan-neon);
            font-weight: 600;
        }

        /* 6. 场景关联与扩展探索卡 */
        .explore-link-card {
            background: rgba(18, 28, 62, 0.5);
            border: 1px solid rgba(64, 128, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 22px;
            height: 100%;
            transition: var(--transition-fast);
        }
        
        .explore-link-card:hover {
            border-color: var(--cyan-neon);
            background: rgba(18, 28, 62, 0.85);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 210, 255, 0.2);
        }
        
        .explore-icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 210, 255, 0.1);
            border: 1px solid rgba(0, 210, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--cyan-neon);
        }

        /* 7. 分类订阅与即时更新提示 */
        .subscribe-banner-card {
            background: linear-gradient(135deg, rgba(12, 19, 43, 0.95) 0%, rgba(18, 28, 62, 0.95) 100%);
            border: 1px solid rgba(0, 210, 255, 0.35);
            border-radius: var(--radius-lg);
            padding: 42px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        }
        
        .subscribe-banner-card::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 210, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        
        .sub-input-group {
            display: flex;
            align-items: center;
            background: rgba(6, 10, 23, 0.7);
            border: 1px solid rgba(64, 128, 255, 0.35);
            border-radius: 8px;
            padding: 4px;
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
        }
        
        .sub-input-group input {
            background: transparent;
            border: none;
            color: #ffffff;
            padding: 10px 16px;
            font-size: 14px;
            outline: none;
            width: 100%;
            margin: 0;
            box-shadow: none;
        }
        
        .sub-input-group input::placeholder {
            color: var(--text-muted);
        }

        /* 页脚对齐 */
        .portal-footer {
            background: #040711;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 24px 0;
            font-size: 14px;
        }
        
        .footer-col h5 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-left: 10px;
        }
        
        .footer-col h5::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--cyan-neon);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            font-size: 13px;
        }
        
        .footer-links a:hover {
            color: var(--cyan-neon);
            padding-left: 4px;
        }
        
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
        }

        @media screen and (max-width: 640px) {
            .site-section {
                padding: 45px 0;
            }
            .featured-card-horizontal {
                flex-direction: column;
            }
            .featured-cover-box {
                width: 100%;
                height: 200px;
            }
            .cat-header-title {
                font-size: 24px;
            }
            .sub-input-group {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
                gap: 10px;
            }
            .sub-input-group input {
                background: rgba(6, 10, 23, 0.8);
                border: 1px solid rgba(64, 128, 255, 0.35);
                border-radius: 8px;
            }
            .subscribe-banner-card {
                padding: 26px 20px;
            }
        }