/* roulang page: index */
:root {
      --primary: #10B981;
      --primary-dark: #064E3B;
      --primary-light: #D1FAE5;
      --accent-orange: #F97316;
      --accent-yellow: #FACC15;
      --bg-dark: #0B0F17;
      --card-dark: #131B26;
      --surface-dark: #1E293B;
      --bg-light: #F8FAFC;
      --white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: #273549;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
      --shadow-hover: 0 16px 36px -6px rgba(16, 185, 129, 0.18);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .num-tabular {
      font-variant-numeric: tabular-nums;
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", Roboto, "Segoe UI", sans-serif;
    }

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

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部通知与主导航 */
    .top-bar {
      background-color: #06101E;
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .top-marquee {
      display: flex;
      align-items: center;
      gap: 8px;
      overflow: hidden;
      white-space: nowrap;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--primary);
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    .top-links {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-shrink: 0;
    }

    .site-header {
      background: rgba(11, 15, 23, 0.95);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.5px;
    }
    .logo-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), #047857);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-item {
      color: #CBD5E1;
      font-size: 0.9375rem;
      font-weight: 500;
      padding: 6px 2px;
      position: relative;
    }
    .nav-item:hover, .nav-item.active {
      color: var(--primary);
    }
    .nav-item::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-item:hover::after, .nav-item.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn-header {
      background: var(--primary);
      color: #062419;
      font-weight: 700;
      font-size: 0.875rem;
      padding: 9px 18px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-header:hover {
      background: #34D399;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
    }
    .menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
      font-size: 1.35rem;
      padding: 6px 12px;
      border-radius: 6px;
      cursor: pointer;
    }

    /* 板块通用规范 */
    .section-wrap {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.12);
      color: var(--primary);
      border: 1px solid rgba(16, 185, 129, 0.25);
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(16, 185, 129, 0.18);
      border-color: rgba(16, 185, 129, 0.35);
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 按钮规范 */
    .btn-main {
      background: linear-gradient(135deg, #10B981, #059669);
      color: #FFFFFF;
      font-weight: 700;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      box-shadow: 0 8px 20px rgba(16, 185, 129, 0.28);
      border: none;
      cursor: pointer;
    }
    .btn-main:hover {
      background: linear-gradient(135deg, #34D399, #10B981);
      box-shadow: 0 12px 28px rgba(16, 185, 129, 0.38);
      transform: translateY(-2px);
    }
    .btn-sub {
      background: rgba(255, 255, 255, 0.08);
      color: #F8FAFC;
      border: 1px solid rgba(255, 255, 255, 0.18);
      font-weight: 600;
      padding: 13px 26px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-sub:hover {
      background: rgba(255, 255, 255, 0.16);
      border-color: rgba(255, 255, 255, 0.35);
      color: #FFFFFF;
    }
    .btn-light-sub {
      background: #FFFFFF;
      color: #0F172A;
      border: 1px solid var(--border-color);
      font-weight: 600;
      padding: 13px 26px;
      border-radius: var(--radius-md);
    }
    .btn-light-sub:hover {
      background: #F1F5F9;
      border-color: #CBD5E1;
    }

    /* 板块 1: Hero Section (带预约服务时段视觉与比赛悬浮看板) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
                  radial-gradient(circle at 15% 70%, rgba(249, 115, 22, 0.12) 0%, transparent 45%),
                  linear-gradient(180deg, #090D15 0%, #0F172A 100%);
      color: #F8FAFC;
      padding: 80px 0 100px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 3.1rem;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 22px;
      color: #FFFFFF;
    }
    .hero-h1 .text-glow {
      background: linear-gradient(135deg, #34D399, #FACC15);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.08rem;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 32px;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-trust-badges {
      display: flex;
      align-items: center;
      gap: 28px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: #CBD5E1;
    }
    .trust-dot {
      color: var(--primary);
      font-size: 1.1rem;
    }

    /* Hero 右侧服务预约与实时监控卡片 */
    .hero-booking-card {
      background: rgba(19, 27, 38, 0.85);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-xl);
      padding: 30px;
      box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
    }
    .booking-card-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .booking-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #FFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .live-chip {
      background: #EF4444;
      color: #fff;
      font-size: 0.72rem;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 4px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .match-preview-row {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 16px;
      margin-bottom: 20px;
    }
    .league-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.78rem;
      color: #94A3B8;
      margin-bottom: 12px;
    }
    .teams-versus {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 700;
    }
    .team-col {
      font-size: 1.05rem;
      color: #FFFFFF;
      flex: 1;
    }
    .team-col.right {
      text-align: right;
    }
    .score-board {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--accent-yellow);
      padding: 0 16px;
      letter-spacing: 2px;
    }
    .live-clock-badge {
      text-align: center;
      margin-top: 8px;
      font-size: 0.75rem;
      color: var(--primary);
    }
    .slot-selector-title {
      font-size: 0.875rem;
      color: #94A3B8;
      margin-bottom: 10px;
      font-weight: 600;
    }
    .slot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      margin-bottom: 20px;
    }
    .slot-chip {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #CBD5E1;
      padding: 8px;
      border-radius: var(--radius-sm);
      text-align: center;
      font-size: 0.75rem;
      cursor: pointer;
      transition: var(--transition);
    }
    .slot-chip:hover, .slot-chip.selected {
      background: rgba(16, 185, 129, 0.2);
      border-color: var(--primary);
      color: var(--primary);
      font-weight: 700;
    }
    .booking-btn {
      width: 100%;
      background: var(--primary);
      color: #06281C;
      font-weight: 800;
      padding: 13px;
      border-radius: var(--radius-md);
      border: none;
      cursor: pointer;
      display: block;
      text-align: center;
      transition: var(--transition);
    }
    .booking-btn:hover {
      background: #34D399;
      box-shadow: 0 6px 18px rgba(16, 185, 129, 0.35);
    }

    /* 板块 2: 延迟与行业痛点分析 */
    .painpoint-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }
    .pain-card:hover {
      border-color: #F87171;
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .pain-badge {
      display: inline-block;
      width: 38px;
      height: 38px;
      line-height: 38px;
      text-align: center;
      background: #FEE2E2;
      color: #DC2626;
      border-radius: 50%;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }
    .pain-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #0F172A;
    }
    .pain-text {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 3: 架构与产品矩阵介绍 */
    .matrix-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .matrix-visual {
      background: linear-gradient(145deg, #131B26, #1E293B);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-xl);
      padding: 24px;
      color: #FFF;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .visual-top-bar {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 12px;
      margin-bottom: 18px;
      font-size: 0.8125rem;
      color: #94A3B8;
    }
    .visual-stat-row {
      display: flex;
      justify-content: space-around;
      background: rgba(0, 0, 0, 0.25);
      padding: 16px;
      border-radius: var(--radius-md);
      margin-bottom: 20px;
    }
    .v-stat {
      text-align: center;
    }
    .v-stat-val {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
    }
    .v-stat-lbl {
      font-size: 0.75rem;
      color: #94A3B8;
    }
    .visual-stream {
      font-size: 0.8125rem;
      color: #A7F3D0;
      line-height: 1.8;
      background: #0B0F17;
      border-radius: var(--radius-sm);
      padding: 14px;
      border-left: 3px solid var(--primary);
    }
    .matrix-info h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: #0F172A;
    }
    .matrix-info p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .matrix-points {
      margin-bottom: 24px;
    }
    .matrix-point {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 0.95rem;
      color: #334155;
    }
    .point-icon {
      color: var(--primary);
      font-weight: bold;
    }

    /* 板块 4: 核心技术引擎 (3x2 网格) */
    .engine-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .engine-card {
      background: var(--card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      transition: var(--transition);
      position: relative;
    }
    .engine-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: 0 16px 32px -4px rgba(16, 185, 129, 0.2);
    }
    .engine-badge {
      display: inline-block;
      padding: 4px 10px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--primary);
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .engine-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .engine-text {
      font-size: 0.9375rem;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 板块 5: 热门赛事看板区 */
    .tournaments-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .tournament-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .tournament-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .t-header {
      background: #0F172A;
      color: #FFFFFF;
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .t-title {
      font-size: 1.1rem;
      font-weight: 700;
    }
    .t-badge {
      background: rgba(16, 185, 129, 0.2);
      color: var(--primary);
      padding: 3px 8px;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 4px;
    }
    .t-body {
      padding: 24px 22px;
      flex: 1;
    }
    .t-desc {
      font-size: 0.9375rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .t-features {
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
      margin-bottom: 20px;
    }
    .t-features li {
      font-size: 0.875rem;
      color: #475569;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .t-features li::before {
      content: '✓';
      color: var(--primary);
      font-weight: 800;
    }
    .t-footer {
      padding: 16px 22px;
      background: #F8FAFC;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .t-link {
      font-size: 0.875rem;
      font-weight: 700;
      color: #047857;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .t-link:hover {
      color: var(--primary);
    }

    /* 板块 6: 沉浸式深色数据底座 */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .arch-step-card {
      background: var(--card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }
    .arch-step-card::after {
      content: '→';
      position: absolute;
      right: -14px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.4rem;
      color: var(--primary);
      z-index: 2;
    }
    .arch-step-card:last-child::after {
      display: none;
    }
    .step-index {
      font-size: 0.8125rem;
      font-weight: 800;
      color: var(--accent-orange);
      margin-bottom: 8px;
    }
    .step-name {
      font-size: 1.1rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 10px;
    }
    .step-detail {
      font-size: 0.875rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块 7: 应用场景与用户故事 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-role {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--accent-orange);
      background: #FFF7ED;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
      width: fit-content;
    }
    .case-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .case-quote {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
    }
    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #10B981, #064E3B);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .author-info h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: #0F172A;
    }
    .author-info p {
      font-size: 0.8125rem;
      color: #64748B;
    }

    /* 板块 8: 运营指标数字条 */
    .metrics-bar-wrap {
      background: linear-gradient(135deg, #064E3B 0%, #0B1724 100%);
      color: #FFFFFF;
      padding: 60px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-item {
      padding: 10px;
    }
    .metric-value {
      font-size: 3rem;
      font-weight: 900;
      color: var(--accent-yellow);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 600;
      color: #E2E8F0;
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    /* 板块 9: 行业口碑与评价 */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .star-rating {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .testi-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 22px;
    }
    .testi-reviewer {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
    }
    .reviewer-meta h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: #0F172A;
    }
    .reviewer-meta span {
      font-size: 0.8125rem;
      color: #64748B;
    }

    /* 板块 10: 赛事前瞻与数据资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
      background: #1E293B;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-category {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .news-content {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 0.8125rem;
      color: #94A3B8;
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .news-action {
      font-size: 0.875rem;
      font-weight: 700;
      color: #059669;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 11: 常见问题手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD5E1;
    }
    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0F172A;
      cursor: pointer;
      text-align: left;
    }
    .faq-icon {
      font-size: 1.25rem;
      color: #059669;
      transition: transform 0.25s ease;
      flex-shrink: 0;
      margin-left: 16px;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 0 24px 22px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 板块 12: 底部收口行动区 */
    .final-cta {
      background: linear-gradient(135deg, #064E3B 0%, #0F172A 100%);
      color: #FFFFFF;
      padding: 80px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
    }
    .cta-inner-card {
      background: rgba(19, 27, 38, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-xl);
      padding: 56px 40px;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
    }
    .cta-h2 {
      font-size: 2.3rem;
      font-weight: 800;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .cta-sub {
      font-size: 1.05rem;
      color: #CBD5E1;
      max-width: 700px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #070B11;
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 72px 0 28px;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 20px;
    }
    .footer-title {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary);
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-contact li {
      margin-bottom: 12px;
      line-height: 1.6;
    }
    .footer-contact strong {
      color: #E2E8F0;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
      color: #64748B;
    }
    .footer-legal-links {
      display: flex;
      gap: 18px;
    }
    .footer-legal-links a:hover {
      color: #94A3B8;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .matrix-box {
        grid-template-columns: 1fr;
      }
      .engine-grid, .tournaments-grid, .case-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .painpoint-grid, .arch-flow-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-step-card::after {
        display: none;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #0F172A;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .section-wrap {
        padding: 60px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .engine-grid, .tournaments-grid, .case-grid, .testi-grid, .news-grid, .painpoint-grid, .arch-flow-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-inner-card {
        padding: 36px 20px;
      }
      .cta-h2 {
        font-size: 1.8rem;
      }
    }