/* roulang page: index */
:root {
      --bg-dark: #060b18;
      --bg-mid: #0a1329;
      --bg-surface: rgba(16, 27, 54, 0.65);
      --bg-surface-hover: rgba(22, 38, 77, 0.85);
      --primary: #00d2ff;
      --primary-deep: #0066ff;
      --accent: #00f2fe;
      --emerald: #10b981;
      --amber: #f59e0b;
      --text-main: #ffffff;
      --text-sub: #cbd5e1;
      --text-muted: #94a3b8;
      --border-color: rgba(56, 189, 248, 0.16);
      --border-glow: rgba(0, 210, 255, 0.45);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --shadow-glow: 0 0 25px rgba(0, 210, 255, 0.28);
      --shadow-btn: 0 4px 20px rgba(0, 102, 255, 0.4);
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 50% 0%, #10214a 0%, var(--bg-dark) 55%, #03060c 100%);
      min-height: 100vh;
      overflow-x: hidden;
      font-size: 16px;
    }

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

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

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

    .section-wrap {
      padding: 96px 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .section-wrap.alt-bg {
      background: linear-gradient(180deg, rgba(10, 19, 41, 0.7) 0%, rgba(6, 11, 24, 0.9) 100%);
    }

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

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 16px;
      border-radius: var(--radius-full);
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.25);
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.35;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.01em;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.75;
    }

    /* 顶部微通知 */
    .top-notice-bar {
      background: rgba(4, 8, 18, 0.95);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
    }

    .top-notice-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .top-indicators {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--emerald);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--emerald);
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      background: rgba(6, 11, 24, 0.82);
      border-bottom: 1px solid var(--border-color);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.02em;
    }

    .brand-logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 210, 255, 0.5);
    }

    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }

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

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
    }

    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0066ff 100%);
      color: #ffffff;
      box-shadow: var(--shadow-btn);
    }

    .btn-primary:hover {
      box-shadow: 0 0 25px rgba(0, 210, 255, 0.7);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-main);
      border-color: rgba(56, 189, 248, 0.3);
      backdrop-filter: blur(8px);
    }

    .btn-outline:hover {
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--primary);
      color: var(--accent);
    }

    .btn-sm {
      padding: 8px 18px;
      font-size: 13px;
    }

    /* 移动端菜单切换 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      color: #fff;
      padding: 6px;
    }

    /* Hero Section (对比选型高亮前置 + 开通) */
    .hero-section {
      padding: 70px 0 90px;
      background: url('/assets/images/2c91505c742d6b9b.webp') center top/cover no-repeat;
      position: relative;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 11, 24, 0.85) 0%, rgba(6, 11, 24, 0.95) 100%);
      z-index: 1;
    }

    .hero-container {
      position: relative;
      z-index: 2;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto 50px;
    }

    .hero-title {
      font-size: 46px;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 22px;
      background: linear-gradient(180deg, #ffffff 40%, #8fd3f4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-intro {
      font-size: 17px;
      line-height: 1.8;
      color: var(--text-sub);
      margin-bottom: 30px;
    }

    .hero-comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1.12fr 1fr;
      gap: 22px;
      align-items: stretch;
      margin-top: 20px;
    }

    .hero-plan-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(12px);
      transition: all 0.3s ease;
      position: relative;
    }

    .hero-plan-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .hero-plan-card.featured {
      background: linear-gradient(180deg, rgba(16, 38, 82, 0.85) 0%, rgba(10, 20, 48, 0.95) 100%);
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-glow);
      transform: scale(1.03);
    }

    .hero-plan-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(90deg, #0066ff, #00d2ff);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      box-shadow: 0 2px 10px rgba(0, 210, 255, 0.4);
    }

    .hero-plan-header {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 20px;
      margin-bottom: 20px;
    }

    .hero-plan-name {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }

    .hero-plan-desc {
      font-size: 13px;
      color: var(--text-muted);
      min-height: 38px;
    }

    .hero-plan-price {
      font-size: 32px;
      font-weight: 800;
      color: var(--accent);
      margin-top: 14px;
    }

    .hero-plan-price span {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .hero-plan-features {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .hero-plan-features li {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-plan-features li svg {
      width: 16px;
      height: 16px;
      fill: var(--emerald);
      flex-shrink: 0;
    }

    /* 玻璃拟态卡片容器 */
    .glass-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      backdrop-filter: blur(12px);
      padding: 32px;
      transition: all 0.3s ease;
    }

    .glass-card:hover {
      border-color: var(--border-glow);
      background: var(--bg-surface-hover);
      transform: translateY(-4px);
    }

    /* 产品价值板块 (左右图文) */
    .value-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .value-image-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }

    .value-points {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .value-point-item {
      display: flex;
      gap: 14px;
    }

    .value-point-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(0, 210, 255, 0.12);
      border: 1px solid var(--primary);
      color: var(--accent);
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .value-point-text h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }

    .value-point-text p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 功能展示：6卡片网格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s ease;
    }

    .feature-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent);
    }

    .feature-icon-box svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 产品矩阵与解决方案 (3卡片高对比) */
    .products-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: rgba(14, 23, 46, 0.8);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .matrix-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(0, 210, 255, 0.1);
      display: inline-block;
      align-self: flex-start;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
    }

    .matrix-title {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .matrix-text {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .matrix-specs {
      list-style: none;
      margin-top: auto;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 16px;
    }

    .matrix-specs li {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .matrix-specs li::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
    }

    /* 深色技术架构解析 */
    .arch-flow-box {
      background: radial-gradient(circle at center, rgba(16, 38, 82, 0.5) 0%, rgba(6, 11, 24, 0.95) 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
    }

    .arch-steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .arch-step-item {
      background: rgba(10, 18, 38, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.2);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }

    .arch-step-num {
      font-size: 12px;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: 0.1em;
      margin-bottom: 8px;
    }

    .arch-step-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .arch-step-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 行业场景4格交错排版 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .scene-card {
      display: flex;
      gap: 20px;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .scene-card-img {
      width: 140px;
      height: 110px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      flex-shrink: 0;
    }

    .scene-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scene-card-content h3 {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }

    .scene-card-content p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 8px;
    }

    .scene-metric-pill {
      display: inline-block;
      font-size: 12px;
      color: var(--emerald);
      background: rgba(16, 185, 129, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 交互演示/驾驶舱看板 */
    .demo-dashboard-preview {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
      background: #091124;
    }

    .demo-browser-bar {
      height: 38px;
      background: #0e1a35;
      display: flex;
      align-items: center;
      padding: 0 16px;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .demo-circle {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: inline-block;
    }

    .demo-circle.red { background: #ff5f56; }
    .demo-circle.yellow { background: #ffbd2e; }
    .demo-circle.green { background: #27c93f; }

    .demo-url-box {
      margin-left: 12px;
      background: rgba(0, 0, 0, 0.3);
      padding: 3px 14px;
      border-radius: 4px;
      font-size: 12px;
      color: var(--text-muted);
      width: 280px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .demo-body-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      padding: 24px;
    }

    .demo-img-slot {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .demo-features-panel {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 18px;
    }

    .demo-spec-item {
      background: rgba(16, 27, 54, 0.5);
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-sm);
    }

    .demo-spec-item h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .demo-spec-item p {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 客户成功故事 */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .story-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
    }

    .story-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }

    .story-client-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
    }

    .story-badge {
      font-size: 12px;
      color: var(--amber);
      background: rgba(245, 158, 11, 0.12);
      padding: 3px 8px;
      border-radius: 4px;
    }

    .story-body {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .story-kpi-bar {
      display: flex;
      gap: 20px;
      background: rgba(6, 11, 24, 0.6);
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .story-kpi-item {
      flex: 1;
    }

    .story-kpi-val {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent);
    }

    .story-kpi-label {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 关键数据指标带状通栏 */
    .metrics-band {
      background: linear-gradient(90deg, #09132d 0%, #0d1e47 50%, #09132d 100%);
      border-top: 1px solid var(--border-glow);
      border-bottom: 1px solid var(--border-glow);
      padding: 50px 0;
    }

    .metrics-band-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-band-item {
      padding: 0 16px;
      border-right: 1px solid rgba(255, 255, 255, 0.08);
    }

    .metric-band-item:last-child {
      border-right: none;
    }

    .metric-value-huge {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.1;
      background: linear-gradient(180deg, #ffffff 30%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 8px;
    }

    .metric-sub-text {
      font-size: 14px;
      color: var(--text-sub);
    }

    /* 三步快速上手 */
    .onboarding-steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      position: relative;
    }

    .step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      text-align: center;
      position: relative;
    }

    .step-badge-num {
      width: 44px;
      height: 44px;
      margin: 0 auto 20px;
      background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      box-shadow: 0 0 16px rgba(0, 210, 255, 0.4);
    }

    .step-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 多端协同入口 */
    .cross-platform-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .platform-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .platform-chip {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 客户评价墙 */
    .reviews-masonry {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 16px;
    }

    .review-user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #1e293b;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent);
      border: 1px solid var(--border-color);
    }

    .review-user-meta h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
    }

    .review-user-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 行业洞察与资讯 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .insight-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }

    .insight-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .insight-thumb {
      height: 180px;
      overflow: hidden;
    }

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

    .insight-card:hover .insight-thumb img {
      transform: scale(1.05);
    }

    .insight-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .insight-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .insight-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .insight-snippet {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .insight-link {
      margin-top: auto;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* FAQ 原生折叠手风琴 */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: border-color 0.25s ease;
    }

    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: 0 0 15px rgba(0, 210, 255, 0.15);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::-webkit-details-marker {
      display: none;
    }

    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      fill: var(--text-muted);
      transition: transform 0.3s ease;
    }

    .faq-item[open] .faq-icon-arrow {
      transform: rotate(180deg);
      fill: var(--accent);
    }

    .faq-answer {
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    /* 底部收口行动与微表单 */
    .cta-conversion-wrap {
      background: radial-gradient(circle at center, rgba(0, 102, 255, 0.25) 0%, rgba(6, 11, 24, 0.95) 75%), url('/assets/images/c22d9bd78446aef9.webp') center/cover;
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      box-shadow: var(--shadow-glow);
    }

    .cta-grid-layout {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .cta-text-area h2 {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-text-area p {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .cta-trust-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .cta-trust-points li {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cta-trust-points li svg {
      width: 14px;
      height: 14px;
      fill: var(--emerald);
    }

    .lead-form-box {
      background: rgba(10, 19, 41, 0.85);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      backdrop-filter: blur(16px);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 6px;
      font-weight: 500;
    }

    .form-input, .form-select {
      width: 100%;
      background: rgba(6, 11, 24, 0.7);
      border: 1px solid rgba(56, 189, 248, 0.25);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      font-size: 14px;
      color: #fff;
      outline: none;
      transition: all 0.25s ease;
    }

    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
    }

    .form-select option {
      background: #09132d;
      color: #fff;
    }

    /* 统一页脚 */
    .site-footer {
      background: #03060d;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 72px 0 32px;
      font-size: 14px;
    }

    .footer-main-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }

    .footer-desc-p {
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-size: 13px;
      max-width: 320px;
    }

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

    .footer-nav-links a {
      color: var(--text-muted);
      font-size: 13px;
    }

    .footer-nav-links a:hover {
      color: var(--accent);
    }

    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      color: var(--text-muted);
      font-size: 13px;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: var(--text-muted);
      font-size: 12px;
    }

    .footer-legal-links {
      display: flex;
      gap: 20px;
    }

    /* 移动端抽屉遮罩 */
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(6, 11, 24, 0.98);
      backdrop-filter: blur(20px);
      z-index: 2000;
      display: none;
      flex-direction: column;
      padding: 30px 24px;
    }

    .mobile-drawer.active {
      display: flex;
    }

    .drawer-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 16px;
    }

    .drawer-close {
      background: none;
      border: none;
      color: #fff;
      font-size: 28px;
      cursor: pointer;
    }

    .drawer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .drawer-nav-list a {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-comparison-grid,
      .features-grid,
      .products-matrix-grid,
      .arch-steps-container,
      .onboarding-steps,
      .reviews-masonry,
      .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-band-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 32px;
      }
      .metric-band-item:nth-child(2) {
        border-right: none;
      }
      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }
      .demo-body-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-notice-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 32px;
      }
      .section-wrap {
        padding: 60px 0;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-comparison-grid,
      .value-grid,
      .features-grid,
      .products-matrix-grid,
      .arch-steps-container,
      .scenes-grid,
      .stories-grid,
      .onboarding-steps,
      .reviews-masonry,
      .insights-grid,
      .cta-grid-layout,
      .footer-main-grid {
        grid-template-columns: 1fr;
      }
      .hero-plan-card.featured {
        transform: none;
      }
      .scene-card {
        flex-direction: column;
      }
      .scene-card-img {
        width: 100%;
        height: 180px;
      }
      .cross-platform-box {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .metrics-band-grid {
        grid-template-columns: 1fr;
      }
      .metric-band-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: 20px;
      }
      .metric-band-item:last-child {
        border-bottom: none;
      }
      .cta-conversion-wrap {
        padding: 32px 20px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }