/* roulang page: index */
:root {
      --bg-base: #080B11;
      --bg-surface: #0F141C;
      --bg-card: rgba(18, 24, 38, 0.78);
      --primary: #E01A76;
      --primary-glow: #9D00FF;
      --accent: #00F5D4;
      --text-main: #EDF2F7;
      --text-muted: #94A3B8;
      --border-subtle: rgba(0, 245, 212, 0.16);
      --border-highlight: rgba(224, 26, 118, 0.35);
      --font-stack: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-stack);
      font-size: 15px;
      line-height: 1.8;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--accent);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover, a:focus {
      color: #fff;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container-wide {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* 顶部导航 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(8, 11, 17, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 245, 212, 0.2);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.5px;
    }
    .brand-logo .badge-cube {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary), var(--primary-glow));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(224, 26, 118, 0.6);
      color: #fff;
      font-size: 0.9rem;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 2rem;
    }
    .nav-menu a {
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
      color: #fff;
    }
    .nav-menu a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .header-action .btn-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0.65rem 1.4rem;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--primary), var(--primary-glow));
      color: #fff;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 0 18px rgba(224, 26, 118, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .header-action .btn-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 24px rgba(224, 26, 118, 0.7);
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
      display: inline-block;
      animation: pulseAnim 1.8s infinite;
    }
    @keyframes pulseAnim {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    /* 板块通用 */
    .section-block {
      padding: 5rem 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      background: rgba(0, 245, 212, 0.08);
      border: 1px solid rgba(0, 245, 212, 0.24);
      padding: 4px 12px;
      border-radius: 4px;
      font-size: 0.8rem;
      letter-spacing: 1px;
      margin-bottom: 1rem;
      text-transform: uppercase;
      font-family: monospace;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: #fff;
      line-height: 1.35;
      margin-bottom: 1rem;
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 2.5rem;
      font-size: 0.95rem;
    }

    /* Section 1: Hero 看板区 */
    .hero-section {
      padding: 4.5rem 0 5.5rem;
      background: linear-gradient(180deg, rgba(8, 11, 17, 0.85) 0%, rgba(15, 20, 28, 0.95) 100%),
                  url('/assets/images/f233260ebf9e687a.jpg') center/cover no-repeat;
      position: relative;
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      margin-bottom: 1.25rem;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 1.05rem;
      color: #CBD5E1;
      margin-bottom: 2rem;
      line-height: 1.8;
    }
    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 2.5rem;
    }
    .btn-solid {
      padding: 0.85rem 1.8rem;
      border-radius: 6px;
      background: linear-gradient(135deg, var(--primary), var(--primary-glow));
      color: #fff;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 0 20px rgba(224, 26, 118, 0.4);
    }
    .btn-solid:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 26px rgba(224, 26, 118, 0.65);
      color: #fff;
    }
    .btn-outline {
      padding: 0.85rem 1.8rem;
      border-radius: 6px;
      background: rgba(18, 24, 38, 0.6);
      border: 1px solid var(--border-subtle);
      color: var(--accent);
      font-weight: 600;
    }
    .btn-outline:hover {
      background: rgba(0, 245, 212, 0.1);
      border-color: var(--accent);
      color: #fff;
    }

    /* HUD 看板 */
    .hud-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 1.5rem;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
      position: relative;
    }
    .hud-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 0.85rem;
      margin-bottom: 1.25rem;
      font-family: monospace;
      font-size: 0.85rem;
      color: var(--accent);
    }
    .hud-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }
    .hud-metric-item {
      background: rgba(10, 14, 22, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: 8px;
      padding: 1rem;
    }
    .hud-metric-num {
      font-size: 1.75rem;
      font-weight: 700;
      color: #fff;
      font-family: monospace;
      line-height: 1.2;
    }
    .hud-metric-num.highlight {
      color: var(--accent);
    }
    .hud-metric-num.burst {
      color: var(--primary);
    }
    .hud-metric-lbl {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .hud-feed {
      margin-top: 1.25rem;
      background: rgba(0, 0, 0, 0.35);
      padding: 0.75rem;
      border-radius: 6px;
      font-size: 0.8rem;
      font-family: monospace;
      color: #94A3B8;
      border-left: 3px solid var(--accent);
    }

    /* 倒计时条 Banner */
    .countdown-bar {
      margin-top: 2rem;
      background: rgba(15, 20, 28, 0.85);
      border: 1px solid var(--border-highlight);
      border-radius: 8px;
      padding: 0.85rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .cd-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cd-timer {
      display: flex;
      gap: 8px;
      font-family: monospace;
      font-weight: 700;
    }
    .cd-box {
      background: rgba(224, 26, 118, 0.18);
      color: var(--primary);
      border: 1px solid rgba(224, 26, 118, 0.4);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.9rem;
    }

    /* Section 2: 服务矩阵卡片 */
    .card-matrix {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      padding: 2rem 1.5rem;
      height: 100%;
      transition: all 0.3s ease;
      position: relative;
    }
    .card-matrix:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(0, 245, 212, 0.08);
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(0, 245, 212, 0.1);
      border: 1px solid rgba(0, 245, 212, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.25rem;
      color: var(--accent);
      font-weight: 700;
      font-size: 1.2rem;
    }
    .matrix-title {
      font-size: 1.2rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.75rem;
    }
    .matrix-desc {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.7;
    }

    /* Section 3: 对比系统 */
    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
    .compare-box {
      background: var(--bg-card);
      border-radius: 12px;
      padding: 2rem;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .compare-box.active-route {
      border-color: var(--primary);
      box-shadow: 0 0 24px rgba(224, 26, 118, 0.15);
      background: linear-gradient(180deg, rgba(224, 26, 118, 0.06) 0%, rgba(18, 24, 38, 0.85) 100%);
    }
    .compare-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .compare-stat-row {
      margin-bottom: 1.25rem;
    }
    .stat-label-bar {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .bar-track {
      height: 8px;
      background: rgba(255, 255, 255, 0.06);
      border-radius: 999px;
      overflow: hidden;
    }
    .bar-fill {
      height: 100%;
      border-radius: 999px;
    }
    .bar-fill.bad {
      background: #EF4444;
      width: 35%;
    }
    .bar-fill.burst {
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 98%;
    }

    /* Section 4: 里程碑时间线 */
    .timeline-stream {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
    }
    .timeline-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 10px;
      padding: 1.5rem;
      position: relative;
    }
    .timeline-node {
      font-family: monospace;
      color: var(--accent);
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .timeline-phase {
      font-size: 1.15rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.5rem;
    }
    .timeline-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Section 5: GEO 热力矩阵 */
    .geo-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.25rem;
    }
    .geo-item {
      background: var(--bg-card);
      border: 1px solid rgba(0, 245, 212, 0.15);
      border-radius: 8px;
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .geo-city {
      font-weight: 600;
      color: #fff;
      font-size: 1.05rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .geo-status {
      font-size: 0.75rem;
      color: var(--accent);
      background: rgba(0, 245, 212, 0.12);
      padding: 2px 8px;
      border-radius: 4px;
      font-family: monospace;
    }
    .geo-specs {
      margin-top: 1rem;
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .geo-specs strong {
      color: #fff;
      font-family: monospace;
    }

    /* Section 6: 精品国产专区入口（唯一分类链接） */
    .portal-banner {
      background: linear-gradient(135deg, rgba(15, 20, 28, 0.95) 0%, rgba(224, 26, 118, 0.2) 100%),
                  url('/assets/images/b2db2b0ba84df3f0.jpg') center/cover no-repeat;
      border: 1px solid var(--border-highlight);
      border-radius: 16px;
      padding: 3.5rem 2.5rem;
      position: relative;
      overflow: hidden;
    }
    .portal-content {
      max-width: 680px;
    }
    .portal-title {
      font-size: 2.2rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1rem;
      line-height: 1.3;
    }
    .portal-desc {
      font-size: 1rem;
      color: #CBD5E1;
      margin-bottom: 2rem;
      line-height: 1.8;
    }

    /* Section 7: 资讯评测 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-card:hover {
      border-color: rgba(224, 26, 118, 0.5);
      transform: translateY(-4px);
    }
    .news-cover {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-cover img {
      transform: scale(1.05);
    }
    .news-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(8, 11, 17, 0.85);
      color: var(--accent);
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
      border: 1px solid rgba(0, 245, 212, 0.3);
    }
    .news-body {
      padding: 1.5rem;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-heading {
      font-size: 1.15rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.75rem;
      line-height: 1.45;
    }
    .news-snippet {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 1rem;
    }
    .news-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: #64748B;
      font-family: monospace;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 0.85rem;
    }

    /* Section 8: 平台保障 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .guarantee-box {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: 10px;
      padding: 1.75rem 1.25rem;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 2rem;
      color: var(--accent);
      margin-bottom: 1rem;
      display: inline-block;
    }
    .guarantee-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.5rem;
    }
    .guarantee-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Section 9: 接入流程 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      position: relative;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      padding: 2.25rem 1.75rem;
      position: relative;
    }
    .step-badge {
      font-size: 2.5rem;
      font-weight: 900;
      color: rgba(0, 245, 212, 0.2);
      font-family: monospace;
      line-height: 1;
      margin-bottom: 1rem;
    }
    .step-card:hover .step-badge {
      color: var(--accent);
    }
    .step-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.75rem;
    }
    .step-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 10: 性能指标看板（扩展雷达/跑分） */
    .dashboard-panel {
      background: linear-gradient(180deg, rgba(15, 20, 28, 0.95) 0%, rgba(8, 11, 17, 0.98) 100%);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 2.5rem;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 2rem;
    }
    .dash-col {
      border-right: 1px solid rgba(255, 255, 255, 0.06);
      padding-right: 1.5rem;
    }
    .dash-col:last-child {
      border-right: none;
      padding-right: 0;
    }
    .dash-head {
      font-size: 1.1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .dash-val-large {
      font-size: 2.8rem;
      font-weight: 800;
      font-family: monospace;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.5rem;
    }
    .dash-val-large.sub {
      color: var(--accent);
    }
    .dash-note {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 11: 常见问题 FAQ */
    .faq-list {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 8px;
      padding: 1.5rem;
    }
    .faq-question {
      font-size: 1.1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.6rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-question::before {
      content: 'Q';
      font-family: monospace;
      color: var(--accent);
      font-size: 1.15rem;
      font-weight: 700;
    }
    .faq-answer {
      font-size: 0.92rem;
      color: #CBD5E1;
      line-height: 1.75;
      padding-left: 1.6rem;
    }

    /* Section 12: 转化表单 */
    .form-box {
      max-width: 760px;
      margin: 0 auto;
      background: var(--bg-card);
      border: 1px solid var(--border-highlight);
      border-radius: 16px;
      padding: 3rem;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    }
    .form-group {
      margin-bottom: 1.25rem;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 500;
      color: #E2E8F0;
      margin-bottom: 0.4rem;
    }
    .form-control {
      width: 100%;
      height: 48px;
      background: rgba(10, 14, 22, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 6px;
      padding: 0 1rem;
      color: #fff;
      font-size: 0.95rem;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 10px rgba(0, 245, 212, 0.25);
    }
    .form-submit {
      width: 100%;
      height: 50px;
      background: linear-gradient(135deg, var(--primary), var(--primary-glow));
      color: #fff;
      font-size: 1.05rem;
      font-weight: 600;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      box-shadow: 0 0 20px rgba(224, 26, 118, 0.45);
      transition: all 0.3s ease;
      margin-top: 1rem;
    }
    .form-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(224, 26, 118, 0.7);
    }
    .form-safe-note {
      text-align: center;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 1rem;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #05070B;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 4.5rem 0 2.5rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-brand {
      max-width: 360px;
    }
    .footer-brand .brand-logo {
      margin-bottom: 1.2rem;
    }
    .footer-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .footer-col h4 {
      font-size: 1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 1.25rem;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748B;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .compare-wrap,
      .timeline-stream,
      .geo-grid,
      .news-grid,
      .guarantee-grid,
      .dashboard-panel,
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .dash-col {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding-bottom: 1.5rem;
      }
      .dash-col:last-child {
        border-bottom: none;
      }
    }
    @media (max-width: 768px) {
      .hero-h1 {
        font-size: 2rem;
      }
      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 1rem 0;
        gap: 1rem;
      }
      .nav-menu {
        gap: 1.2rem;
      }
      .compare-wrap,
      .timeline-stream,
      .geo-grid,
      .news-grid,
      .guarantee-grid,
      .steps-grid,
      .dashboard-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .form-box {
        padding: 1.75rem 1.25rem;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
        --bg-base: #080B11;
        --bg-surface: #0F141C;
        --bg-card: rgba(18, 24, 38, 0.78);
        --primary: #E01A76;
        --primary-glow: #9D00FF;
        --accent: #00F5D4;
        --text-main: #EDF2F7;
        --text-muted: #94A3B8;
        --border-subtle: rgba(0, 245, 212, 0.16);
        --border-highlight: rgba(224, 26, 118, 0.35);
        --font-stack: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }
    body {
        background-color: var(--bg-base);
        color: var(--text-main);
        font-family: var(--font-stack);
        font-size: 15px;
        line-height: 1.8;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        margin: 0;
    }
    a {
        color: var(--accent);
        text-decoration: none;
        transition: all 0.25s ease;
    }
    a:hover, a:focus {
        color: #fff;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    .container-wide {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1.25rem;
    }

    /* 顶部导航 Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(8, 11, 17, 0.92);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(0, 245, 212, 0.2);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.25rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.5px;
    }
    .brand-logo .badge-cube {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: linear-gradient(135deg, var(--primary), var(--primary-glow));
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 12px rgba(224, 26, 118, 0.6);
        color: #fff;
        font-size: 0.9rem;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
        gap: 2rem;
    }
    .nav-menu a {
        color: var(--text-muted);
        font-size: 0.95rem;
        font-weight: 500;
        position: relative;
        padding: 6px 0;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
        color: #fff;
    }
    .nav-menu a.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--accent);
        box-shadow: 0 0 8px var(--accent);
    }
    .header-action .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 0.65rem 1.4rem;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--primary), var(--primary-glow));
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        box-shadow: 0 0 18px rgba(224, 26, 118, 0.45);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .header-action .btn-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 24px rgba(224, 26, 118, 0.7);
        color: #fff;
    }
    .pulse-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 8px var(--accent);
    }

    /* 板块通用 */
    .section-block {
        padding: 4.5rem 0;
        position: relative;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--accent);
        background: rgba(0, 245, 212, 0.08);
        border: 1px solid rgba(0, 245, 212, 0.24);
        padding: 4px 12px;
        border-radius: 4px;
        font-size: 0.8rem;
        letter-spacing: 1px;
        margin-bottom: 0.85rem;
        text-transform: uppercase;
        font-family: monospace;
    }
    .section-title {
        font-size: 1.85rem;
        font-weight: 700;
        color: #fff;
        line-height: 1.35;
        margin-bottom: 0.85rem;
    }
    .section-desc {
        color: var(--text-muted);
        max-width: 820px;
        margin-bottom: 2rem;
        font-size: 0.95rem;
    }

    /* 板块 1：分类状态与检索 H1 头部（扁平紧凑控制台版式） */
    .cat-header-panel {
        background: linear-gradient(180deg, rgba(15, 20, 28, 0.98) 0%, rgba(8, 11, 17, 0.95) 100%);
        border-bottom: 1px solid var(--border-subtle);
        padding: 3.25rem 0 2.5rem;
    }
    .cat-h1 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 1rem;
        letter-spacing: -0.5px;
    }
    .cat-summary-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.25rem;
        margin-top: 1.75rem;
    }
    .cat-metric-box {
        background: rgba(18, 24, 38, 0.85);
        border: 1px solid rgba(255, 255, 255, 0.07);
        border-left: 3px solid var(--accent);
        border-radius: 6px;
        padding: 0.85rem 1.25rem;
    }
    .cat-metric-box.purple-accent {
        border-left-color: var(--primary);
    }
    .cat-metric-label {
        font-size: 0.8rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .cat-metric-val {
        font-size: 1.25rem;
        font-weight: 700;
        color: #fff;
        font-family: monospace;
        margin-top: 2px;
    }

    /* 板块 2：多维标签交互筛选工具栏 */
    .filter-panel {
        background: var(--bg-surface);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 10px;
        padding: 1.5rem;
    }
    .filter-row {
        display: flex;
        align-items: center;
        gap: 1.25rem;
        padding: 0.65rem 0;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .filter-row:last-child {
        border-bottom: none;
    }
    .filter-name {
        width: 100px;
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 600;
        flex-shrink: 0;
    }
    .filter-options {
        display: flex;
        flex-wrap: wrap;
        gap: 0.65rem;
    }
    .filter-pill {
        display: inline-block;
        font-size: 0.82rem;
        padding: 4px 14px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.04);
        color: var(--text-main);
        border: 1px solid rgba(255, 255, 255, 0.08);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .filter-pill:hover,
    .filter-pill.active {
        background: rgba(0, 245, 212, 0.12);
        color: var(--accent);
        border-color: var(--accent);
    }
    .filter-pill.active-purple {
        background: rgba(224, 26, 118, 0.15);
        color: #fff;
        border-color: var(--primary);
    }

    /* 板块 3：精品国产核心资源网格主体 */
    .resource-card {
        background: var(--bg-card);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 10px;
        overflow: hidden;
        transition: all 0.3s ease;
        margin-bottom: 1.75rem;
        display: flex;
        flex-direction: column;
        height: calc(100% - 1.75rem);
    }
    .resource-card:hover {
        border-color: var(--accent);
        transform: translateY(-4px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
    }
    .card-thumb-wrap {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 10;
    }
    .card-thumb-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .resource-card:hover .card-thumb-wrap img{
        transform: scale(1.04);
    }
    .badge-float {
        position: absolute;
        top: 10px;
        right: 10px;
        background: rgba(8, 11, 17, 0.85);
        backdrop-filter: blur(6px);
        border: 1px solid var(--primary);
        color: #fff;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 600;
    }
    .badge-geo {
        position: absolute;
        bottom: 10px;
        left: 10px;
        background: rgba(8, 11, 17, 0.85);
        backdrop-filter: blur(6px);
        border: 1px solid var(--accent);
        color: var(--accent);
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.72rem;
        font-family: monospace;
    }
    .card-body {
        padding: 1.25rem;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    .card-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }
    .card-meta-desc {
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 1rem;
        line-height: 1.6;
        flex-grow: 1;
    }
    .card-footer-metrics {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 0.75rem;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .metric-highlight {
        color: var(--accent);
        font-weight: 700;
        font-family: monospace;
    }
    .custom-pagination {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 0.5rem;
        margin-top: 2rem;
        list-style: none;
        padding: 0;
    }
    .custom-pagination li a,
    .custom-pagination li span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        border-radius: 6px;
        background: var(--bg-surface);
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--text-main);
        font-size: 0.85rem;
    }
    .custom-pagination li.current span,
    .custom-pagination li a:hover {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 0 10px rgba(224, 26, 118, 0.4);
    }

    /* 板块 4：类目即时性能与稳定性监控看板 */
    .telemetry-strip {
        background: rgba(15, 20, 28, 0.95);
        border: 1px solid rgba(0, 245, 212, 0.2);
        border-radius: 8px;
        padding: 1.5rem 2rem;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
        align-items: center;
    }
    .telemetry-node {
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        padding-right: 1.5rem;
    }
    .telemetry-node:last-child {
        border-right: none;
        padding-right: 0;
    }
    .telemetry-label {
        font-size: 0.8rem;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .telemetry-value {
        font-size: 1.45rem;
        font-weight: 700;
        color: #fff;
        font-family: monospace;
        margin-top: 4px;
    }

    /* 板块 5：热门高潮节点精选推荐 */
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    .featured-item {
        background: linear-gradient(145deg, rgba(22, 28, 44, 0.7) 0%, rgba(15, 20, 28, 0.9) 100%);
        border: 1px solid rgba(224, 26, 118, 0.25);
        border-radius: 10px;
        padding: 1.5rem;
        position: relative;
    }
    .featured-item::before {
        content: "HOT";
        position: absolute;
        top: 12px;
        right: 12px;
        background: var(--primary);
        color: #fff;
        font-size: 0.65rem;
        font-weight: 800;
        padding: 2px 6px;
        border-radius: 3px;
        letter-spacing: 0.5px;
    }
    .featured-h4 {
        font-size: 1.15rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.5rem;
    }

    /* 板块 6：本类目规格标准与指南文档 */
    .spec-card {
        background: var(--bg-card);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 10px;
        padding: 1.75rem;
        height: 100%;
    }
    .spec-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 1.25rem;
    }
    .spec-item:last-child {
        margin-bottom: 0;
    }
    .spec-icon {
        width: 24px;
        height: 24px;
        border-radius: 4px;
        background: rgba(0, 245, 212, 0.12);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        flex-shrink: 0;
        margin-top: 2px;
    }
    .spec-info h5 {
        font-size: 0.95rem;
        font-weight: 600;
        color: #fff;
        margin: 0 0 4px 0;
    }
    .spec-info p {
        font-size: 0.85rem;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.6;
    }

    /* 板块 7：类目专属常见问题解答 FAQ */
    .faq-compact-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .faq-compact-card {
        background: var(--bg-card);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 8px;
        padding: 1.4rem;
    }
    .faq-compact-q {
        font-size: 1rem;
        font-weight: 600;
        color: #fff;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .faq-q-tag {
        color: var(--accent);
        font-family: monospace;
        font-size: 0.85rem;
    }
    .faq-compact-a {
        font-size: 0.875rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* 页脚 Footer */
    .site-footer {
        background: #040609;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 4rem 0 2rem;
        margin-top: 2rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 2.5rem;
        margin-bottom: 3rem;
    }
    .footer-brand .brand-logo {
        margin-bottom: 1.2rem;
    }
    .footer-text {
        font-size: 0.875rem;
        color: var(--text-muted);
        line-height: 1.8;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1.25rem;
        letter-spacing: 0.5px;
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-links li {
        margin-bottom: 0.65rem;
    }
    .footer-links a {
        color: var(--text-muted);
        font-size: 0.875rem;
    }
    .footer-links a:hover {
        color: var(--accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.04);
        padding-top: 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8rem;
        color: #64748B;
        flex-wrap: wrap;
        gap: 1rem;
    }

    /* 移动端断点适配 */
    @media screen and (max-width: 1024px) {
        .cat-summary-strip {
            grid-template-columns: repeat(2, 1fr);
        }
        .telemetry-strip {
            grid-template-columns: repeat(2, 1fr);
        }
        .featured-grid {
            grid-template-columns: 1fr;
        }
        .faq-compact-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media screen and (max-width: 640px) {
        .nav-menu {
            display: none;
        }
        .cat-summary-strip {
            grid-template-columns: 1fr;
        }
        .telemetry-strip {
            grid-template-columns: 1fr;
        }
        .telemetry-node {
            border-right: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding-bottom: 1rem;
            padding-right: 0;
        }
        .telemetry-node:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .cat-h1 {
            font-size: 1.75rem;
        }
    }
