/* roulang page: index */
:root {
      --primary-navy: #0A2540;
      --deep-navy: #06152B;
      --accent-blue: #0066FF;
      --accent-cyan: #00D4FF;
      --accent-hover: #0052CC;
      --bg-light: #F8FAFC;
      --bg-slate: #F1F5F9;
      --card-white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(10, 37, 64, 0.08);
      --shadow-hover: 0 16px 36px -6px rgba(10, 37, 64, 0.12);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: #FFFFFF;
      color: var(--text-main);
      line-height: 1.65;
    }

    body {
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部微型信息条 */
    .top-meta-bar {
      background: var(--deep-navy);
      color: var(--text-light);
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-meta-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-meta-left {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .pulse-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      margin-right: 6px;
    }

    /* 主导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary-navy);
      letter-spacing: -0.02em;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent-blue), #00D4FF);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
      align-items: center;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover {
      color: var(--accent-blue);
    }
    .nav-link.active {
      color: var(--accent-blue);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-blue);
      border-radius: 2px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-action-sm {
      background: var(--accent-blue);
      color: #FFFFFF;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(0, 102, 255, 0.25);
    }
    .btn-action-sm:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2.5px;
      background: var(--primary-navy);
      margin: 5px 0;
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 114px;
      left: 0;
      width: 100%;
      background: #FFFFFF;
      border-bottom: 2px solid var(--accent-blue);
      padding: 24px;
      box-shadow: 0 16px 30px rgba(0,0,0,0.1);
      z-index: 999;
    }
    .mobile-drawer.open {
      display: block;
    }
    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .mobile-nav-link {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary-navy);
      display: block;
      padding: 8px 0;
    }

    /* 板块通用规范 */
    .content-section {
      padding: 88px 0;
      position: relative;
    }
    .bg-white { background: #FFFFFF; }
    .bg-light { background: var(--bg-light); }
    .bg-slate { background: var(--bg-slate); }
    .bg-dark {
      background: var(--deep-navy);
      color: #FFFFFF;
    }

    .section-header {
      margin-bottom: 56px;
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(0, 102, 255, 0.08);
      color: var(--accent-blue);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 30px;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .bg-dark .section-tag {
      background: rgba(0, 212, 255, 0.15);
      color: var(--accent-cyan);
    }
    .section-title {
      font-size: 2.25rem;
      color: var(--primary-navy);
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .bg-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .bg-dark .section-desc {
      color: var(--text-light);
    }

    /* 按钮规范 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent-blue);
      color: #FFFFFF;
      font-weight: 600;
      padding: 14px 32px;
      border-radius: 10px;
      box-shadow: 0 4px 18px rgba(0, 102, 255, 0.28);
      transition: var(--transition);
      cursor: pointer;
      border: none;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 102, 255, 0.35);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      color: var(--primary-navy);
      font-weight: 600;
      padding: 14px 28px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-secondary:hover {
      background: var(--bg-slate);
      color: var(--accent-blue);
      border-color: #CBD5E1;
      transform: translateY(-2px);
    }

    /* 板块1：Hero 首屏（深色信息面板 + 榜单） */
    .hero-section {
      background: linear-gradient(135deg, #07162C 0%, #0A2540 60%, #0D3269 100%), url('/assets/images/f96ebc2527c116cf.webp') center/cover no-repeat;
      background-blend-mode: overlay;
      color: #FFFFFF;
      padding: 96px 0 108px;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(0, 212, 255, 0.12);
      border: 1px solid rgba(0, 212, 255, 0.3);
      padding: 6px 16px;
      border-radius: 40px;
      color: var(--accent-cyan);
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 3.15rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 22px;
      letter-spacing: -0.03em;
    }
    .hero-title span {
      background: linear-gradient(90deg, #FFFFFF, var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.125rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 36px;
      max-width: 620px;
    }
    .hero-buttons {
      display: flex;
      gap: 18px;
      margin-bottom: 40px;
    }
    .hero-metrics-strip {
      display: flex;
      gap: 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }
    .hero-metric-val {
      font-size: 1.75rem;
      font-weight: 700;
      color: #FFFFFF;
      font-feature-settings: "tnum";
    }
    .hero-metric-lbl {
      font-size: 0.825rem;
      color: var(--text-light);
    }
    .faux-board-card {
      background: rgba(13, 33, 62, 0.82);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(10px);
    }
    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      margin-bottom: 16px;
    }
    .board-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .board-live-tag {
      background: #EF4444;
      color: #FFF;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      animation: blink 2s infinite ease-in-out;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
    .match-stream-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 8px;
      padding: 12px 16px;
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
    }
    .match-stream-item:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(0, 212, 255, 0.3);
    }
    .match-league {
      font-size: 0.75rem;
      color: var(--accent-cyan);
      margin-bottom: 2px;
    }
    .match-teams {
      font-size: 0.925rem;
      font-weight: 600;
      color: #F8FAFC;
    }
    .match-score-badge {
      font-size: 1.15rem;
      font-weight: 800;
      color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
      padding: 4px 12px;
      border-radius: 6px;
    }
    .radar-preview-bar {
      margin-top: 18px;
      background: rgba(0, 102, 255, 0.15);
      border: 1px dashed rgba(0, 212, 255, 0.4);
      border-radius: 8px;
      padding: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #94A3B8;
    }

    /* 板块2：技术底座介绍区 */
    .base-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .base-media {
      position: relative;
    }
    .base-img {
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .base-float-stat {
      position: absolute;
      bottom: -20px;
      right: -20px;
      background: #FFFFFF;
      padding: 18px 24px;
      border-radius: 12px;
      box-shadow: var(--shadow-hover);
      border-left: 4px solid var(--accent-blue);
    }
    .base-float-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary-navy);
      line-height: 1;
    }
    .base-float-text {
      font-size: 0.825rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .base-features-list {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .base-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .base-bullet {
      width: 22px;
      height: 22px;
      background: rgba(0, 102, 255, 0.1);
      color: var(--accent-blue);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 板块3：核心技术优势六宫格 */
    .grid-six {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .card-six {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .card-six:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }
    .card-six-icon {
      width: 50px;
      height: 50px;
      background: var(--bg-slate);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--accent-blue);
      margin-bottom: 20px;
    }
    .card-six-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 12px;
    }
    .card-six-text {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块4：核心产品与功能矩阵 */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .product-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 1px solid var(--border-color);
    }
    .product-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent-blue);
      background: rgba(0, 102, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      align-self: flex-start;
      margin-bottom: 12px;
    }
    .product-name {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 12px;
    }
    .product-summary {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .product-metric-badge {
      background: var(--bg-light);
      padding: 10px 14px;
      border-radius: 8px;
      font-size: 0.85rem;
      color: var(--primary-navy);
      font-weight: 600;
      margin-bottom: 20px;
      display: flex;
      justify-content: space-between;
    }

    /* 板块5：业务场景演示交互区 */
    .scenario-tabs-nav {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 40px;
    }
    .scenario-tab-btn {
      background: var(--bg-slate);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 12px 24px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
    }
    .scenario-tab-btn.active {
      background: var(--primary-navy);
      color: #FFFFFF;
      border-color: var(--primary-navy);
      box-shadow: var(--shadow-sm);
    }
    .scenario-pane {
      display: none;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 44px;
      box-shadow: var(--shadow-md);
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .scenario-pane.active {
      display: grid;
    }
    .scenario-title {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 16px;
    }
    .scenario-desc {
      font-size: 0.975rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .scenario-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .scenario-checklist li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.925rem;
      font-weight: 500;
      color: var(--text-main);
    }
    .scenario-img {
      border-radius: 10px;
      width: 100%;
      height: 320px;
      object-fit: cover;
      border: 1px solid var(--border-color);
    }

    /* 板块6：深色对比区·智能算法引擎架构 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 40px;
      position: relative;
    }
    .flow-step-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      padding: 28px 22px;
      position: relative;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }
    .flow-step-card:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
    }
    .step-badge {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--accent-cyan);
      letter-spacing: 0.05em;
      margin-bottom: 14px;
    }
    .step-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: #FFFFFF;;
      margin-bottom: 12px;
    }
    .step-desc {
      font-size: 0.875rem;
      color: var(--text-light);
      line-height: 1.65;
    }

    /* 板块7：核心运行数据统计条 */
    .metric-strip-section {
      background: #FFFFFF;
      padding: 56px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .metrics-counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-counter-num {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--primary-navy);
      line-height: 1.1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }
    .metric-counter-num span {
      color: var(--accent-blue);
      font-size: 1.85rem;
    }
    .metric-counter-label {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 板块8：典型案例实战区 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-header {
      margin-bottom: 20px;
    }
    .case-category {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-blue);
      background: rgba(0, 102, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }
    .case-org-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary-navy);
    }
    .case-body {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .case-result-strip {
      background: var(--bg-slate);
      border-radius: 8px;
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .case-result-item {
      display: flex;
      flex-direction: column;
    }
    .case-res-val {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--accent-blue);
    }
    .case-res-lbl {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 板块9：对比差异维度矩阵区 */
    .compare-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: var(--bg-slate);
      color: var(--primary-navy);
      font-weight: 700;
      font-size: 1.05rem;
    }
    .compare-table th.highlight-col, .compare-table td.highlight-col {
      background: rgba(0, 102, 255, 0.03);
      color: var(--accent-blue);
      font-weight: 600;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .dim-name {
      font-weight: 600;
      color: var(--primary-navy);
    }
    .traditional-val {
      color: var(--text-muted);
    }

    /* 板块10：社会认同与行业专家评价区 */
    .endorse-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .endorse-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .endorse-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }
    .endorse-quote {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .endorse-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .endorse-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-slate);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent-blue);
    }
    .endorse-meta-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-navy);
    }
    .endorse-meta-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块11：最新资讯与研究前沿摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-card-img {
      width: 100%;
      height: 150px;
      object-fit: cover;
    }
    .news-card-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.775rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-navy);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-card-excerpt {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-card-link {
      font-size: 0.85rem;
      color: var(--accent-blue);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块12：合规安全与服务保障条 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 28px 24px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .guarantee-icon {
      width: 44px;
      height: 44px;
      background: rgba(0, 102, 255, 0.08);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-blue);
      font-size: 1.25rem;
      flex-shrink: 0;
    }
    .guarantee-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 6px;
    }
    .guarantee-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 板块13：常见问题 FAQ */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary-navy);
    }
    .faq-icon-arrow {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--accent-blue);
    }
    .faq-body {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-body {
      display: block;
      border-top-color: var(--bg-slate);
      padding-top: 16px;
    }

    /* 板块14：底部转化 CTA */
    .cta-card-wrap {
      background: linear-gradient(135deg, var(--deep-navy) 0%, #0A2D5C 100%);
      border-radius: 20px;
      padding: 64px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
      box-shadow: 0 20px 48px rgba(10, 37, 64, 0.2);
    }
    .cta-h2 {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .cta-p {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.7;
    }
    .cta-form-box {
      background: #FFFFFF;
      border-radius: 14px;
      padding: 28px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    }
    .cta-form-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 18px;
    }
    .cta-input-group {
      margin-bottom: 14px;
    }
    .cta-input {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .cta-input:focus {
      border-color: var(--accent-blue);
      box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
    }
    .cta-submit-btn {
      width: 100%;
      background: var(--accent-blue);
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      padding: 13px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
      transition: var(--transition);
    }
    .cta-submit-btn:hover {
      background: var(--accent-hover);
    }

    /* 页脚设计 */
    .site-footer {
      background: #061121;
      color: #94A3B8;
      padding: 72px 0 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #94A3B8;
    }
    .footer-col-h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      color: #CBD5E1;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
    }

    /* 响应式适配断点 */
    @media (max-width: 1024px) {
      .grid-six, .product-grid, .endorse-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid, .news-grid, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-counter-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 28px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        row-gap: 36px;
      }
      .cta-card-wrap {
        grid-template-columns: 1fr;
        gap: 36px;
      }
    }

    @media (max-width: 768px) {
      .top-meta-bar {
        display: none;
      }
      .nav-menu, .header-actions {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-title {
        font-size: 2.25rem;
      }
      .base-grid, .cases-grid, .scenario-pane {
        grid-template-columns: 1fr;
      }
      .scenario-tabs-nav {
        flex-wrap: wrap;
      }
      .grid-six, .product-grid, .endorse-grid, .news-grid, .guarantee-grid, .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .content-section {
        padding: 60px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
    }