/* roulang page: index */
:root {
      --brand-primary: #05D58C;
      --brand-primary-deep: #00A86B;
      --brand-surface: #0E131F;
      --brand-dark: #07090E;
      --brand-accent: #FF5A36;
      --bg-light: #F8FAFB;
      --bg-card: #FFFFFF;
      --border-subtle: #E2E8F0;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --shadow-sm: 0 2px 8px -1px rgba(14, 19, 31, 0.04);
      --shadow-md: 0 10px 25px -4px rgba(14, 19, 31, 0.06), 0 4px 10px -2px rgba(14, 19, 31, 0.02);
      --shadow-lg: 0 20px 40px -6px rgba(14, 19, 31, 0.1);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.78;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    /* 顶部双行 SaaS 命令栏导航 */
    .top-status-bar {
      background-color: var(--brand-dark);
      color: var(--text-light);
      font-size: 12px;
      height: 36px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .top-status-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .status-badge-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-dot-pulse {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--brand-primary);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(5, 213, 140, 0.7);
      animation: pulse-green 2s infinite;
    }

    @keyframes pulse-green {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 213, 140, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(5, 213, 140, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 213, 140, 0); }
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-subtle);
      transition: all var(--transition-fast);
    }

    .navbar-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-symbol {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--brand-surface) 0%, #1A2438 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(5, 213, 140, 0.2);
      border: 1px solid rgba(5, 213, 140, 0.3);
    }

    .logo-symbol svg {
      width: 22px;
      height: 22px;
      fill: var(--brand-primary);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--brand-surface);
      line-height: 1.2;
    }

    .brand-subtitle {
      font-size: 11px;
      color: var(--brand-primary-deep);
      font-weight: 600;
      letter-spacing: 0.05em;
    }

    .nav-menu-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }

    .nav-menu-links a {
      font-size: 15px;
      font-weight: 600;
      color: #334155;
      position: relative;
      padding: 6px 0;
    }

    .nav-menu-links a:hover,
    .nav-menu-links a.active {
      color: var(--brand-primary-deep);
    }

    .nav-menu-links a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--brand-primary);
      transition: width var(--transition-fast);
      border-radius: 2px;
    }

    .nav-menu-links a:hover::after,
    .nav-menu-links a.active::after {
      width: 100%;
    }

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

    .command-box {
      display: flex;
      align-items: center;
      gap: 8px;
      background: #F1F5F9;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-subtle);
      font-size: 13px;
      color: var(--text-muted);
      cursor: pointer;
      transition: all var(--transition-fast);
    }

    .command-box:hover {
      background: #E2E8F0;
      border-color: #CBD5E1;
    }

    .command-kbd {
      background: #FFFFFF;
      border: 1px solid #CBD5E1;
      padding: 1px 6px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 700;
      box-shadow: 0 1px 2px rgba(0,0,0,0.06);
    }

    .btn-nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--brand-surface);
      color: #FFFFFF;
      padding: 10px 20px;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 700;
      box-shadow: var(--shadow-sm);
      border: 1px solid transparent;
      transition: all var(--transition-fast);
    }

    .btn-nav-cta:hover {
      background: #182238;
      border-color: var(--brand-primary);
      transform: translateY(-1px);
    }

    /* 板块通用框架 */
    section {
      padding: 96px 0;
      position: relative;
    }

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

    .section-white {
      background-color: #FFFFFF;
    }

    .section-dark {
      background-color: var(--brand-surface);
      color: #FFFFFF;
    }

    .section-header-wrap {
      max-width: 820px;
      margin: 0 auto 56px auto;
      text-align: center;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(5, 213, 140, 0.12);
      color: var(--brand-primary-deep);
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 16px;
      border: 1px solid rgba(5, 213, 140, 0.25);
    }

    .section-dark .badge-pill {
      background: rgba(5, 213, 140, 0.15);
      color: var(--brand-primary);
      border-color: rgba(5, 213, 140, 0.3);
    }

    .section-title {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: all var(--transition-fast);
      border: none;
      text-align: center;
    }

    .btn-primary {
      background: var(--brand-primary);
      color: var(--brand-surface);
      box-shadow: 0 4px 14px rgba(5, 213, 140, 0.35);
    }

    .btn-primary:hover {
      background: #04be7d;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(5, 213, 140, 0.45);
    }

    .btn-accent {
      background: var(--brand-accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(255, 90, 54, 0.3);
    }

    .btn-accent:hover {
      background: #e64927;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 90, 54, 0.45);
    }

    .btn-outline {
      background: transparent;
      color: var(--brand-surface);
      border: 1.5px solid #CBD5E1;
    }

    .btn-outline:hover {
      border-color: var(--brand-surface);
      background: #F1F5F9;
    }

    .btn-outline-white {
      background: transparent;
      color: #FFFFFF;
      border: 1.5px solid rgba(255, 255, 255, 0.25);
    }

    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #FFFFFF;
    }

    /* 板块 1: 首屏 Hero 杂志分栏 */
    .hero-magazine {
      padding: 60px 0 80px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      border-bottom: 1px solid var(--border-subtle);
      position: relative;
      overflow: hidden;
    }

    .hero-magazine::before {
      content: "";
      position: absolute;
      top: -20%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(5, 213, 140, 0.12) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }

    .hero-magazine-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-lead-text h1 {
      font-size: 44px;
      font-weight: 850;
      line-height: 1.25;
      letter-spacing: -0.03em;
      color: var(--brand-surface);
      margin-bottom: 20px;
    }

    .hero-lead-text .hero-p {
      font-size: 17px;
      color: #475569;
      line-height: 1.85;
      margin-bottom: 32px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-protocol-strip {
      border-top: 1px solid var(--border-subtle);
      padding-top: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .protocol-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-muted);
      white-space: nowrap;
    }

    .protocol-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .protocol-tag {
      font-size: 12px;
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      color: #334155;
      font-weight: 600;
    }

    /* 杂志首屏右侧精选卡 */
    .hero-featured-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-subtle);
      position: relative;
    }

    .featured-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 20px;
      position: relative;
    }

    .featured-img-wrap img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .featured-img-wrap:hover img {
      transform: scale(1.03);
    }

    .live-chip {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(14, 19, 31, 0.85);
      backdrop-filter: blur(8px);
      color: var(--brand-primary);
      padding: 4px 10px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .featured-info h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--brand-surface);
    }

    .featured-metrics-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      background: var(--bg-light);
      padding: 14px;
      border-radius: var(--radius-md);
      margin-top: 16px;
    }

    .metric-cell {
      text-align: center;
    }

    .metric-cell .val {
      font-size: 20px;
      font-weight: 800;
      color: var(--brand-primary-deep);
      line-height: 1.2;
    }

    .metric-cell .lbl {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 板块 2: 品牌与平台架构介绍区 */
    .architecture-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .arch-left-visual {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      padding: 44px;
      color: #FFFFFF;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .arch-stack-node {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 16px;
      margin-bottom: 16px;
    }

    .arch-stack-node h4 {
      font-size: 14px;
      color: var(--brand-primary);
      margin-bottom: 4px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .arch-stack-node p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.6;
    }

    .arch-right-content {
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .arch-right-content h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .arch-right-content p {
      color: #475569;
      font-size: 15px;
      margin-bottom: 24px;
      line-height: 1.8;
    }

    .arch-checklist {
      list-style: none;
      margin-bottom: 24px;
    }

    .arch-checklist li {
      font-size: 14px;
      color: #334155;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
    }

    .arch-checklist li svg {
      width: 18px;
      height: 18px;
      fill: var(--brand-primary);
      flex-shrink: 0;
    }

    /* 板块 3: Bento Grid 优势区 */
    .bento-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: auto auto;
      gap: 24px;
    }

    .bento-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .bento-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(5, 213, 140, 0.4);
    }

    .bento-card.col-span-2 {
      grid-column: span 2;
    }

    .bento-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: rgba(5, 213, 140, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .bento-icon-badge svg {
      width: 24px;
      height: 24px;
      fill: var(--brand-primary-deep);
    }

    .bento-card h3 {
      font-size: 20px;
      font-weight: 750;
      margin-bottom: 12px;
      color: var(--brand-surface);
    }

    .bento-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    .bento-tag {
      margin-top: 20px;
      font-size: 12px;
      color: var(--brand-primary-deep);
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 4: 硬件产品矩阵区 */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .product-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all var(--transition-fast);
    }

    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
      border-color: #CBD5E1;
    }

    .product-img-box {
      height: 220px;
      overflow: hidden;
      background: #F1F5F9;
      position: relative;
    }

    .product-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .product-card:hover .product-img-box img {
      transform: scale(1.05);
    }

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

    .product-model {
      font-size: 12px;
      color: var(--brand-primary-deep);
      font-weight: 700;
      letter-spacing: 0.05em;
      margin-bottom: 6px;
    }

    .product-body h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--brand-surface);
    }

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

    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 24px;
      font-size: 13px;
    }

    .spec-table td {
      padding: 8px 0;
      border-bottom: 1px solid #F1F5F9;
    }

    .spec-table td:first-child {
      color: #64748B;
      font-weight: 600;
      width: 42%;
    }

    .spec-table td:last-child {
      color: #1E293B;
      font-weight: 700;
      text-align: right;
    }

    /* 板块 5: 技术引擎深色区 */
    .engine-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .engine-pipeline {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 32px;
    }

    .pipeline-step {
      display: flex;
      gap: 20px;
      margin-bottom: 24px;
      position: relative;
    }

    .pipeline-step:last-child {
      margin-bottom: 0;
    }

    .pipeline-step:not(:last-child)::after {
      content: "";
      position: absolute;
      left: 19px;
      top: 40px;
      width: 2px;
      height: calc(100% - 20px);
      background: rgba(5, 213, 140, 0.25);
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: rgba(5, 213, 140, 0.15);
      color: var(--brand-primary);
      border: 1px solid var(--brand-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      flex-shrink: 0;
    }

    .step-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 6px;
    }

    .step-info p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.65;
    }

    .engine-features {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .engine-feature-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all var(--transition-fast);
    }

    .engine-feature-card:hover {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(5, 213, 140, 0.4);
    }

    .engine-feature-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .engine-feature-card p {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.75;
    }

    /* 板块 6: 智慧体育数字场景与解决方案流 */
    .solution-flow-list {
      display: flex;
      flex-direction: column;
      gap: 56px;
    }

    .solution-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }

    .solution-item.reverse {
      grid-template-columns: 1fr 1fr;
    }

    .solution-item.reverse .solution-img-col {
      order: 2;
    }

    .solution-item.reverse .solution-txt-col {
      order: 1;
    }

    .solution-img-col {
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 320px;
    }

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

    .solution-tag {
      font-size: 12px;
      font-weight: 800;
      color: var(--brand-primary-deep);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    .solution-txt-col h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--brand-surface);
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .solution-txt-col p {
      font-size: 15px;
      color: #475569;
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .solution-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }

    .sol-point-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 13px;
      color: #334155;
      font-weight: 600;
    }

    .sol-point-item svg {
      width: 16px;
      height: 16px;
      fill: var(--brand-primary);
      flex-shrink: 0;
      margin-top: 3px;
    }

    /* 板块 7: 标杆用户故事与落地墙 */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

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

    .story-img-banner {
      height: 220px;
      position: relative;
    }

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

    .story-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(14, 19, 31, 0.9);
      color: #FFFFFF;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 700;
      border-left: 3px solid var(--brand-primary);
    }

    .story-body {
      padding: 32px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .story-body h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--brand-surface);
      margin-bottom: 12px;
    }

    .story-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .story-metrics-strip {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      background: #F8FAFC;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid #EEF2F6;
    }

    .story-metric-item {
      text-align: left;
    }

    .story-metric-num {
      font-size: 22px;
      font-weight: 850;
      color: var(--brand-primary-deep);
    }

    .story-metric-desc {
      font-size: 12px;
      color: #64748B;
      font-weight: 600;
    }

    /* 板块 8: 运营与体征数据实时统计条 */
    .metrics-bar-section {
      background: linear-gradient(135deg, #090D15 0%, #111827 100%);
      padding: 64px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
    }

    .metrics-flex-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }

    .metric-data-card {
      border-left: 3px solid var(--brand-primary);
      padding-left: 20px;
    }

    .metric-data-card .num {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.1;
      color: #FFFFFF;
      letter-spacing: -0.02em;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }

    .metric-data-card .num span {
      font-size: 20px;
      color: var(--brand-primary);
      font-weight: 700;
      margin-left: 4px;
    }

    .metric-data-card .label {
      font-size: 14px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 4px;
    }

    .metric-data-card .subtext {
      font-size: 12px;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* 板块 9: 多角色专业反馈区 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testimonial-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .quote-icon {
      width: 32px;
      height: 32px;
      fill: var(--brand-primary);
      margin-bottom: 16px;
      opacity: 0.8;
    }

    .testimonial-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #0E131F;
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      flex-shrink: 0;
    }

    .reviewer-info h4 {
      font-size: 14px;
      font-weight: 800;
      color: var(--brand-surface);
    }

    .reviewer-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块 10: 资讯与体育科技前沿 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all var(--transition-fast);
    }

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

    .news-img {
      height: 190px;
      overflow: hidden;
    }

    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .news-card:hover .news-img img {
      transform: scale(1.04);
    }

    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-meta-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 12px;
    }

    .news-category-tag {
      background: #ECFDF5;
      color: var(--brand-primary-deep);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
    }

    .news-date {
      color: var(--text-muted);
    }

    .news-body h3 {
      font-size: 17px;
      font-weight: 800;
      color: var(--brand-surface);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .news-action {
      font-size: 13px;
      font-weight: 700;
      color: var(--brand-primary-deep);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 11: 常见问题手风琴 FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color var(--transition-fast);
    }

    .faq-item:hover {
      border-color: #CBD5E1;
    }

    .faq-item.active {
      border-color: var(--brand-primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      font-weight: 700;
      font-size: 16px;
      color: var(--brand-surface);
    }

    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      fill: #64748B;
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      fill: var(--brand-primary-deep);
    }

    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: #475569;
      line-height: 1.8;
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块 12: 权威保障与认证背书 */
    .guarantee-badges-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .guarantee-card {
      background: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: all var(--transition-fast);
    }

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

    .guarantee-icon-wrap {
      width: 52px;
      height: 52px;
      margin: 0 auto 14px auto;
      background: #F8FAFC;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .guarantee-icon-wrap svg {
      width: 26px;
      height: 26px;
      fill: var(--brand-primary-deep);
    }

    .guarantee-card h4 {
      font-size: 15px;
      font-weight: 800;
      color: var(--brand-surface);
      margin-bottom: 6px;
    }

    .guarantee-card p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 13: 综合转化表单与体验预约 */
    .contact-layout-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
    }

    .contact-side-info {
      background: linear-gradient(145deg, #0E131F 0%, #1A2436 100%);
      color: #FFFFFF;
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-side-info h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .contact-side-info p {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .contact-direct-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .contact-direct-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .contact-icon-bubble {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .contact-icon-bubble svg {
      width: 18px;
      height: 18px;
      fill: var(--brand-primary);
    }

    .contact-item-text .ttl {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 2px;
    }

    .contact-item-text .val {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
    }

    .contact-form-side {
      padding: 48px;
    }

    .contact-form-side h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--brand-surface);
      margin-bottom: 8px;
    }

    .contact-form-side .form-sub {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-bottom: 18px;
    }

    .form-control-wrap {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-label {
      font-size: 13px;
      font-weight: 700;
      color: #334155;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 11px 14px;
      border-radius: var(--radius-md);
      border: 1px solid #CBD5E1;
      font-size: 14px;
      font-family: inherit;
      color: #1E293B;
      background: #FFFFFF;
      transition: all var(--transition-fast);
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--brand-primary-deep);
      box-shadow: 0 0 0 3px rgba(5, 213, 140, 0.2);
    }

    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    .form-submit-btn {
      width: 100%;
      margin-top: 10px;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #07090E;
      color: #94A3B8;
      padding: 72px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }

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

    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 12px;
      letter-spacing: -0.02em;
    }

    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      color: #64748B;
      margin-bottom: 20px;
    }

    .footer-col-title {
      font-size: 14px;
      font-weight: 800;
      color: #FFFFFF;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 18px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #94A3B8;
      font-size: 13px;
      transition: color var(--transition-fast);
    }

    .footer-links-list a:hover {
      color: var(--brand-primary);
    }

    .footer-bottom-strip {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: #64748B;
    }

    .footer-beian a {
      color: #64748B;
    }

    .footer-beian a:hover {
      color: #CBD5E1;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-magazine-grid {
        grid-template-columns: 1fr;
      }
      .architecture-box {
        grid-template-columns: 1fr;
      }
      .bento-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .bento-card.col-span-2 {
        grid-column: span 1;
      }
      .product-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .engine-wrapper {
        grid-template-columns: 1fr;
      }
      .stories-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-badges-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-layout-box {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-status-bar {
        display: none;
      }
      .nav-menu-links {
        display: none;
      }
      .command-box {
        display: none;
      }
      .hero-lead-text h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .bento-grid, .product-grid, .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .solution-item, .solution-item.reverse {
        grid-template-columns: 1fr;
      }
      .solution-item.reverse .solution-img-col {
        order: 1;
      }
      .solution-item.reverse .solution-txt-col {
        order: 2;
      }
      .metrics-flex-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-group-grid {
        grid-template-columns: 1fr;
      }
      .contact-side-info, .contact-form-side {
        padding: 28px;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .metrics-flex-row {
        grid-template-columns: 1fr;
      }
      .guarantee-badges-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
      }
      .hero-cta-group .btn {
        width: 100%;
      }
    }