/* roulang page: index */
:root {
      --primary: #0A2A1A;
      --primary-dark: #05140D;
      --primary-glow: #16A34A;
      --accent: #22C55E;
      --accent-gold: #EAB308;
      --bg-dark: #0B130E;
      --card-bg: #122017;
      --card-bg-hover: #182C20;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-color: rgba(34, 197, 94, 0.18);
      --border-glow: rgba(34, 197, 94, 0.4);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
    }

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

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    /* 顶部导航 */
    .site-header {
      background: rgba(10, 42, 26, 0.92);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
    }

    .header-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0.85rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }

    .brand-logo i {
      color: var(--accent);
      font-size: 1.6rem;
    }

    .nav-search-bar {
      flex: 1;
      max-width: 540px;
      position: relative;
      display: flex;
      align-items: center;
    }

    .nav-search-bar input {
      width: 100%;
      height: 42px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-full);
      padding: 0 45px 0 42px;
      color: var(--text-main);
      font-size: 0.92rem;
      margin-bottom: 0;
      transition: all 0.3s ease;
    }

    .nav-search-bar input:focus {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--accent);
      box-shadow: 0 0 12px rgba(34, 197, 94, 0.3);
      outline: none;
    }

    .nav-search-bar .search-icon {
      position: absolute;
      left: 15px;
      color: var(--text-muted);
      font-size: 0.95rem;
      pointer-events: none;
    }

    .nav-search-bar .search-submit {
      position: absolute;
      right: 5px;
      height: 32px;
      padding: 0 14px;
      border-radius: var(--radius-full);
      background: var(--accent);
      border: none;
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.82rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .nav-right-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
      white-space: nowrap;
    }

    .btn-nav-action {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.45rem 1rem;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      color: var(--text-main);
      border: 1px solid rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.04);
    }

    .btn-nav-action:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(34, 197, 94, 0.08);
    }

    .btn-nav-live {
      background: var(--accent);
      color: var(--primary-dark);
      border: 1px solid var(--accent);
      font-weight: 700;
    }

    .btn-nav-live:hover {
      background: #1eb054;
      color: var(--primary-dark);
      box-shadow: 0 0 16px rgba(34, 197, 94, 0.45);
    }

    /* 容器与通用排版 */
    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    .site-section {
      padding: 5rem 0;
      position: relative;
    }

    .section-alt {
      background: #0d1a12;
      border-top: 1px solid rgba(255, 255, 255, 0.03);
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .section-header {
      margin-bottom: 2.8rem;
    }

    .section-header.text-center {
      text-align: center;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent);
      margin-bottom: 0.6rem;
      background: rgba(34, 197, 94, 0.1);
      padding: 0.3rem 0.8rem;
      border-radius: var(--radius-full);
      border: 1px solid rgba(34, 197, 94, 0.2);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 0.8rem;
    }

    .section-lead {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
      max-width: 820px;
      margin: 0 auto;
    }

    /* 按钮组 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      font-size: 0.98rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: all 0.3s ease;
      text-align: center;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--primary-dark);
      border: 1px solid var(--accent);
      box-shadow: 0 4px 14px rgba(34, 197, 94, 0.35);
    }

    .btn-primary:hover {
      background: #1eb054;
      color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(34, 197, 94, 0.5);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-main);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(34, 197, 94, 0.08);
      transform: translateY(-2px);
    }

    /* 1. Hero 板块（全宽矮横幅 / 紧凑型现代结构） */
    .hero-banner-section {
      background: linear-gradient(180deg, #0d2e1c 0%, #0b130e 100%);
      padding: 3.5rem 0 4rem;
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-banner-section::before {
      content: "";
      position: absolute;
      top: -20%;
      right: 10%;
      width: 450px;
      height: 450px;
      background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2.5rem;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 1.2rem;
    }

    .hero-content h1 span {
      color: var(--accent);
    }

    .hero-content p {
      font-size: 1.05rem;
      line-height: 1.75;
      color: var(--text-muted);
      margin-bottom: 1.8rem;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 1.8rem;
    }

    .hero-live-badge-strip {
      display: flex;
      align-items: center;
      gap: 1.2rem;
      font-size: 0.88rem;
      color: var(--text-dim);
    }

    .badge-live-dot {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      color: #ef4444;
      font-weight: 700;
    }

    .badge-live-dot::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ef4444;
      animation: pulseRed 1.8s infinite;
    }

    @keyframes pulseRed {
      0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
      70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
      100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
    }

    .hero-quick-match-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.6rem;
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
    }

    .match-header-tag {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.2rem;
      padding-bottom: 0.8rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.85rem;
    }

    .match-tag-status {
      color: var(--accent);
      font-weight: 700;
      background: rgba(34, 197, 94, 0.12);
      padding: 0.2rem 0.6rem;
      border-radius: var(--radius-sm);
    }

    .match-teams-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1.4rem;
    }

    .team-col {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      width: 38%;
    }

    .team-icon {
      width: 48px;
      height: 48px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: var(--accent-gold);
      margin-bottom: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .team-name {
      font-weight: 700;
      font-size: 0.95rem;
    }

    .match-vs-score {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: 2px;
      background: rgba(0, 0, 0, 0.3);
      padding: 0.3rem 0.8rem;
      border-radius: var(--radius-sm);
    }

    .match-stream-links {
      display: flex;
      gap: 0.6rem;
    }

    .match-stream-links .btn-sm {
      flex: 1;
      padding: 0.55rem 0.6rem;
      font-size: 0.85rem;
      font-weight: 600;
      text-align: center;
      border-radius: var(--radius-sm);
      background: rgba(34, 197, 94, 0.15);
      border: 1px solid var(--accent);
      color: var(--text-main);
    }

    .match-stream-links .btn-sm:hover {
      background: var(--accent);
      color: var(--primary-dark);
    }

    /* 2. 功能分组卡片矩阵 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .feature-box {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .feature-box:hover {
      border-color: var(--border-glow);
      transform: translateY(-4px);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
      background: var(--card-bg-hover);
    }

    .feature-icon-wrapper {
      width: 52px;
      height: 52px;
      border-radius: 10px;
      background: rgba(34, 197, 94, 0.12);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1.2rem;
    }

    .feature-box h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.7rem;
    }

    .feature-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 使用场景 */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.8rem;
    }

    .scenario-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      display: flex;
      gap: 1.5rem;
      align-items: flex-start;
    }

    .scenario-icon {
      font-size: 2.2rem;
      color: var(--accent-gold);
      flex-shrink: 0;
      line-height: 1;
    }

    .scenario-info h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .scenario-info p {
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.65;
      margin-bottom: 0.8rem;
    }

    .scenario-tag {
      font-size: 0.78rem;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.08);
      padding: 0.2rem 0.6rem;
      border-radius: var(--radius-sm);
      color: var(--accent);
    }

    /* 4. 模拟播放客户端交互演示区 */
    .player-demo-frame {
      background: #070d09;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    }

    .demo-frame-topbar {
      background: #111a14;
      padding: 0.7rem 1.2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .player-window-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }

    .demo-main-body {
      display: grid;
      grid-template-columns: 240px 1fr 280px;
      min-height: 380px;
    }

    .demo-channel-list {
      background: #0c1610;
      border-right: 1px solid rgba(255, 255, 255, 0.06);
      padding: 1rem;
    }

    .demo-channel-item {
      padding: 0.7rem;
      margin-bottom: 0.5rem;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.03);
      font-size: 0.85rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .demo-channel-item.active {
      background: rgba(34, 197, 94, 0.15);
      border: 1px solid var(--accent);
      color: var(--accent);
      font-weight: 700;
    }

    .demo-screen-stage {
      background: #030604;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 2rem;
      text-align: center;
    }

    .screen-overlay-info {
      position: absolute;
      top: 15px;
      left: 20px;
      display: flex;
      gap: 10px;
      font-size: 0.8rem;
    }

    .screen-play-icon {
      font-size: 3.5rem;
      color: var(--accent);
      margin-bottom: 1rem;
      cursor: pointer;
      opacity: 0.9;
    }

    .screen-play-icon:hover {
      transform: scale(1.1);
      color: #38df75;
    }

    .demo-sidebar-stats {
      background: #0c1610;
      border-left: 1px solid rgba(255, 255, 255, 0.06);
      padding: 1.2rem;
    }

    .stat-row {
      margin-bottom: 1rem;
      font-size: 0.85rem;
    }

    .stat-label-flex {
      display: flex;
      justify-content: space-between;
      margin-bottom: 0.3rem;
      color: var(--text-muted);
    }

    .stat-bar-outer {
      height: 6px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 3px;
      overflow: hidden;
    }

    .stat-bar-inner {
      height: 100%;
      background: var(--accent);
      border-radius: 3px;
    }

    /* 5. 联赛全景覆盖队徽展示 */
    .teams-coverage-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1rem;
    }

    .team-showcase-box {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 1.2rem 0.8rem;
      text-align: center;
      transition: all 0.25s ease;
    }

    .team-showcase-box:hover {
      border-color: var(--accent);
      background: var(--card-bg-hover);
      transform: translateY(-3px);
    }

    .team-badge-icon {
      width: 44px;
      height: 44px;
      margin: 0 auto 0.6rem;
      border-radius: 50%;
      background: rgba(34, 197, 94, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-gold);
      font-size: 1.2rem;
    }

    .team-showcase-name {
      font-size: 0.92rem;
      font-weight: 700;
      margin-bottom: 0.3rem;
    }

    .team-meta-status {
      font-size: 0.75rem;
      color: var(--accent);
    }

    /* 6. 套餐价格表 */
    .pricing-table-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.8rem;
      align-items: center;
    }

    .pricing-card {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 2.2rem 1.8rem;
      position: relative;
    }

    .pricing-card.featured {
      background: #152b1e;
      border: 2px solid var(--accent);
      box-shadow: 0 0 25px rgba(34, 197, 94, 0.25);
      transform: scale(1.04);
    }

    .pricing-featured-badge {
      position: absolute;
      top: -13px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 0.78rem;
      padding: 0.25rem 1rem;
      border-radius: var(--radius-full);
      letter-spacing: 0.5px;
    }

    .price-value-wrap {
      margin: 1.2rem 0 1.5rem;
    }

    .price-symbol {
      font-size: 1.4rem;
      color: var(--accent);
    }

    .price-num {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .price-unit {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .pricing-features-list {
      margin: 1.5rem 0 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 1.2rem;
    }

    .pricing-features-list li {
      margin-bottom: 0.8rem;
      font-size: 0.92rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .pricing-features-list li i {
      color: var(--accent);
      font-size: 0.85rem;
    }

    /* 7. 评价口碑墙 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .testimonial-box {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 1.6rem;
    }

    .testi-stars {
      color: var(--accent-gold);
      font-size: 0.85rem;
      margin-bottom: 0.8rem;
    }

    .testi-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 1.2rem;
    }

    .testi-user-meta {
      display: flex;
      align-items: center;
      gap: 0.8rem;
    }

    .testi-avatar {
      width: 38px;
      height: 38px;
      background: rgba(34, 197, 94, 0.2);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 700;
    }

    .testi-name {
      font-size: 0.9rem;
      font-weight: 700;
    }

    .testi-tag {
      font-size: 0.78rem;
      color: var(--text-dim);
    }

    /* 8. 实时数据与积分榜 */
    .data-analytics-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
    }

    .table-container {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .standings-table {
      width: 100%;
      margin: 0;
      border-collapse: collapse;
      color: var(--text-main);
      font-size: 0.9rem;
    }

    .standings-table th {
      background: rgba(0, 0, 0, 0.3);
      padding: 0.85rem 1rem;
      text-align: left;
      font-weight: 700;
      color: var(--text-muted);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .standings-table td {
      padding: 0.85rem 1rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .rank-badge {
      display: inline-block;
      width: 22px;
      height: 22px;
      text-align: center;
      line-height: 22px;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 700;
    }

    .rank-top { background: var(--accent); color: var(--primary-dark); }
    .rank-normal { background: rgba(255, 255, 255, 0.1); color: var(--text-muted); }

    .top-scorers-box {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem;
    }

    .scorer-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .scorer-info {
      display: flex;
      flex-direction: column;
    }

    .scorer-name {
      font-weight: 700;
      font-size: 0.92rem;
    }

    .scorer-team {
      font-size: 0.78rem;
      color: var(--text-dim);
    }

    .scorer-goals {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--accent-gold);
    }

    /* 9. 赛事前瞻与深度资讯 */
    .news-list-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .news-item-card {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }

    .news-item-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
    }

    .news-card-img {
      height: 150px;
      background: #1a3826;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 2.5rem;
    }

    .news-card-content {
      padding: 1.4rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-meta-time {
      font-size: 0.8rem;
      color: var(--text-dim);
      margin-bottom: 0.5rem;
    }

    .news-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.7rem;
      line-height: 1.45;
    }

    .news-card-excerpt {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1rem;
      flex: 1;
    }

    .news-read-more {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
    }

    /* 10. FAQ 手风琴 */
    .faq-accordion-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      overflow: hidden;
    }

    .faq-question {
      padding: 1.2rem 1.5rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
      font-size: 1.02rem;
      background: transparent;
      user-select: none;
    }

    .faq-question i {
      color: var(--accent);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      padding: 0 1.5rem 1.2rem;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.7;
    }

    /* 11. 全球传输网络与指标 */
    .network-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      text-align: center;
    }

    .metric-item-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem 1rem;
    }

    .metric-value {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 0.4rem;
      line-height: 1;
    }

    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.4rem;
    }

    .metric-desc {
      font-size: 0.82rem;
      color: var(--text-dim);
    }

    /* 12. 转化 CTA */
    .final-cta-section {
      background: linear-gradient(135deg, #0f3d24 0%, #06170e 100%);
      border: 1px solid var(--accent);
      border-radius: var(--radius-lg);
      padding: 3.5rem 2rem;
      text-align: center;
      box-shadow: 0 12px 35px rgba(34, 197, 94, 0.2);
    }

    .cta-form-inline {
      max-width: 520px;
      margin: 2rem auto 1.5rem;
      display: flex;
      gap: 0.8rem;
    }

    .cta-form-inline input {
      flex: 1;
      height: 48px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-full);
      padding: 0 1.2rem;
      color: #fff;
      margin-bottom: 0;
    }

    .cta-form-inline input:focus {
      border-color: var(--accent);
      background: rgba(255, 255, 255, 0.15);
      outline: none;
    }

    .cta-form-inline .btn {
      height: 48px;
      padding: 0 1.8rem;
      white-space: nowrap;
    }

    .cta-trust-tags {
      display: flex;
      justify-content: center;
      gap: 1.8rem;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .cta-trust-tags span {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    .cta-trust-tags i {
      color: var(--accent);
    }

    /* 站点页脚 */
    .site-footer {
      background: #060b08;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 4rem 0 2rem;
      color: var(--text-dim);
      font-size: 0.88rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 2.5rem;
      margin-bottom: 3rem;
    }

    .footer-brand h4 {
      color: var(--text-main);
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 0.8rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .footer-brand h4 i {
      color: var(--accent);
    }

    .footer-brand p {
      line-height: 1.65;
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    .footer-col-links h5 {
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 1rem;
    }

    .footer-col-links ul li {
      margin-bottom: 0.6rem;
    }

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

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 1.8rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .features-grid,
      .network-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .teams-coverage-grid {
        grid-template-columns: repeat(4, 1fr);
      }
      .pricing-table-grid,
      .testimonial-grid,
      .news-list-grid {
        grid-template-columns: 1fr;
      }
      .pricing-card.featured {
        transform: none;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-grid,
      .scenarios-grid,
      .data-analytics-grid {
        grid-template-columns: 1fr;
      }
      .demo-main-body {
        grid-template-columns: 1fr;
      }
      .demo-channel-list,
      .demo-sidebar-stats {
        display: none;
      }
      .teams-coverage-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form-inline {
        flex-direction: column;
      }
      .cta-trust-tags {
        flex-direction: column;
        align-items: center;
        gap: 0.6rem;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .nav-search-bar {
        display: none;
      }
      .site-section {
        padding: 3rem 0;
      }
    }