/* roulang page: index */
:root {
      --bg-dark: #0F1115;
      --bg-card: #161920;
      --bg-card-alt: #1E222B;
      --bg-surface: #13151A;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-light: rgba(255, 255, 255, 0.15);
      --primary: #00E599;
      --primary-hover: #00c985;
      --primary-glow: rgba(0, 229, 153, 0.25);
      --amber: #FF7A00;
      --text-main: #FFFFFF;
      --text-muted: #E4E7EC;
      --text-dim: #94A3B8;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", PingFang SC, "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
      --shadow-hover: 0 16px 36px -8px rgba(0, 229, 153, 0.22);
    }

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

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

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-dark);
      color: var(--text-muted);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    /* 顶部通栏 */
    .top-bar {
      background: #090B0E;
      border-bottom: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-dim);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-info {
      display: flex;
      gap: 20px;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
    }
    .top-bar-badge::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 17, 21, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, #00E599 0%, #008f5d 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0F1115;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #0F1115;
      box-shadow: 0 4px 18px var(--primary-glow);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 229, 153, 0.4);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      border-color: var(--border-light);
      color: var(--text-main);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: 8px 18px;
      font-size: 14px;
    }
    .btn-lg {
      padding: 16px 36px;
      font-size: 16px;
    }

    /* 章节通用结构 */
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background: #12141A;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 12px;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      background: rgba(0, 229, 153, 0.1);
      border: 1px solid rgba(0, 229, 153, 0.2);
    }
    .section-title {
      font-size: 34px;
      line-height: 1.35;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-dim);
      line-height: 1.8;
    }

    /* [板块 1] Hero 首屏申请试用 */
    .hero-section {
      position: relative;
      padding: 80px 0 100px 0;
      overflow: hidden;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 70% 30%, rgba(0, 229, 153, 0.08) 0%, rgba(15, 17, 21, 0.94) 65%, #0F1115 100%);
      z-index: 1;
    }
    .hero-container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      padding: 5px 12px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-light);
      color: var(--text-muted);
    }
    .badge-highlight {
      border-color: rgba(0, 229, 153, 0.4);
      color: var(--primary);
      background: rgba(0, 229, 153, 0.08);
    }
    .hero-title {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 36px;
      text-align: justify;
    }
    .hero-form-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      position: relative;
    }
    .form-header-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: #0F1115;
      background: var(--amber);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .form-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .form-sub {
      font-size: 14px;
      color: var(--text-dim);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 16px;
      background: #0D0F13;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 14px;
      font-family: inherit;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.15);
    }
    .form-note {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 14px;
      text-align: center;
      line-height: 1.5;
    }

    /* [板块 2] 安全主张与工业底盘架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-visual {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .arch-visual img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .arch-tag-floating {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 17, 21, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
      font-size: 13px;
      color: var(--text-muted);
    }
    .claim-item {
      margin-bottom: 24px;
      padding-left: 20px;
      border-left: 3px solid var(--primary);
    }
    .claim-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .claim-desc {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.7;
    }

    /* [板块 3] 检查项：出厂安全与部署核验 Checklist */
    .checklist-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .check-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
    }
    .check-card:hover {
      border-color: rgba(0, 229, 153, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .check-status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .check-status-badge::before {
      content: "✓";
      display: inline-block;
      width: 18px;
      height: 18px;
      line-height: 18px;
      text-align: center;
      border-radius: 50%;
      background: rgba(0, 229, 153, 0.15);
    }
    .check-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .check-card p {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.65;
    }

    /* [板块 4] 合规徽章与检验认证标准 */
    .compliance-strip {
      background: #0C0E12;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 60px 0;
    }
    .badges-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .cert-item {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }
    .cert-item:hover {
      border-color: var(--border-light);
      background: rgba(255, 255, 255, 0.04);
    }
    .cert-number {
      font-size: 12px;
      font-weight: 600;
      color: var(--amber);
      font-family: monospace;
      margin-bottom: 8px;
    }
    .cert-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .cert-detail {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.5;
    }

    /* [板块 5] 边界说明：复杂物理环境适配边界 */
    .boundary-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .boundary-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .boundary-box.active-ok {
      border-top: 4px solid var(--primary);
    }
    .boundary-box.limit-rule {
      border-top: 4px solid var(--amber);
    }
    .boundary-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .boundary-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
    }
    .boundary-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .boundary-list li {
      font-size: 14px;
      color: var(--text-muted);
      display: flex;
      align-items: flex-start;
      gap: 10px;
      line-height: 1.6;
    }
    .boundary-list li span.dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      margin-top: 8px;
      flex-shrink: 0;
    }
    .limit-rule .boundary-list li span.dot {
      background: var(--amber);
    }

    /* [板块 6] 卖点三连：工业级底座三大性能基石 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .feature-card {
      background: linear-gradient(180deg, var(--bg-card) 0%, rgba(22, 25, 32, 0.4) 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      transition: var(--transition);
      position: relative;
    }
    .feature-card:hover {
      border-color: rgba(0, 229, 153, 0.4);
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .feature-num {
      font-size: 32px;
      font-weight: 800;
      color: rgba(255, 255, 255, 0.08);
      position: absolute;
      top: 24px;
      right: 24px;
      font-family: monospace;
    }
    .feature-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      margin-top: 10px;
    }
    .feature-desc {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.7;
    }

    /* [板块 7] 配送机器人产品矩阵大卡 */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      border-color: rgba(0, 229, 153, 0.5);
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .product-thumb {
      height: 240px;
      overflow: hidden;
      position: relative;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 17, 21, 0.8);
      backdrop-filter: blur(6px);
      border: 1px solid var(--border-light);
      font-size: 12px;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      color: var(--primary);
    }
    .product-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .product-specs {
      list-style: none;
      margin: 18px 0 24px 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: var(--text-dim);
    }
    .product-specs li {
      display: flex;
      justify-content: space-between;
      padding-bottom: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .product-specs li span:last-child {
      color: var(--text-muted);
      font-weight: 600;
    }

    /* [板块 8] 场景演示：全场景落地实景演示 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .scenario-card:hover {
      border-color: var(--border-light);
      transform: translateY(-4px);
    }
    .scenario-img {
      height: 180px;
      overflow: hidden;
    }
    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scenario-info {
      padding: 20px;
    }
    .scenario-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scenario-info p {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.6;
    }
    .scenario-metric {
      margin-top: 14px;
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
    }

    /* [板块 9] 对比差异：部署配送机器人 vs 传统人工配送 */
    .comparison-table-wrap {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .comp-table th, .comp-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }
    .comp-table th {
      background: #11141A;
      font-weight: 700;
      color: var(--text-main);
      font-size: 15px;
    }
    .comp-table tr:last-child td {
      border-bottom: none;
    }
    .comp-table .bad {
      color: #F87171;
    }
    .comp-table .good {
      color: var(--primary);
      font-weight: 600;
    }

    /* [板块 10] 运营效能数据统计条 */
    .metrics-bar {
      background: #0B0D11;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 56px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-item .val {
      font-size: 44px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: monospace;
    }
    .metric-item .label {
      font-size: 14px;
      color: var(--text-dim);
    }

    /* [板块 11] 资讯证据：白皮书解读与技术演进摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .news-card:hover {
      border-color: rgba(0, 229, 153, 0.4);
      transform: translateY(-4px);
    }
    .news-meta {
      font-size: 12px;
      color: var(--text-dim);
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .news-desc {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.7;
    }

    /* [板块 12] 信任背书与客户评价卡片 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .testi-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      position: relative;
    }
    .testi-stars {
      color: var(--amber);
      font-size: 14px;
      margin-bottom: 14px;
    }
    .testi-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #252A34;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
      font-size: 14px;
    }
    .testi-role {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }
    .testi-unit {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* [板块 13] 常见解答 FAQ 手风琴 */
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .faq-question {
      padding: 22px 28px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question::after {
      content: "+";
      font-size: 20px;
      color: var(--primary);
      transition: var(--transition);
    }
    .faq-item.open .faq-question::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      display: none;
      padding: 0 28px 24px 28px;
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.8;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 16px;
    }
    .faq-item.open .faq-answer {
      display: block;
    }

    /* [板块 14] 全周期保障条 */
    .assurance-strip {
      background: #11141A;
      border-top: 1px solid var(--border-color);
      padding: 48px 0;
    }
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .assurance-box {
      text-align: center;
      padding: 16px;
    }
    .assurance-icon {
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .assurance-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .assurance-box p {
      font-size: 13px;
      color: var(--text-dim);
    }

    /* 底部收口表单与预约区 */
    .cta-final {
      background: radial-gradient(circle at bottom center, rgba(0, 229, 153, 0.12) 0%, #0F1115 70%);
      padding: 96px 0;
      text-align: center;
    }
    .cta-box-inner {
      max-width: 680px;
      margin: 0 auto;
    }

    /* 工业页脚 */
    .site-footer {
      background: #080A0D;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px 0;
      font-size: 13px;
      color: var(--text-dim);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .footer-brand p {
      line-height: 1.8;
      margin-bottom: 16px;
    }
    .footer-links h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 移动端固定浮动转化条 */
    .mobile-float-cta {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 17, 21, 0.96);
      backdrop-filter: blur(12px);
      border-top: 1px solid var(--border-light);
      padding: 10px 16px;
      z-index: 999;
      gap: 12px;
    }
    .mobile-float-cta .btn {
      flex: 1;
      font-size: 14px;
      padding: 10px 0;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .arch-grid {
        grid-template-columns: 1fr;
      }
      .badges-flex {
        grid-template-columns: repeat(2, 1fr);
      }
      .products-grid {
        grid-template-columns: 1fr;
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .news-grid, .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .checklist-grid, .boundary-grid, .features-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .mobile-float-cta {
        display: flex;
      }
      .section {
        padding: 64px 0;
      }
      .hero-title {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .comp-table {
        font-size: 12px;
      }
      .comp-table th, .comp-table td {
        padding: 12px 10px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      body {
        padding-bottom: 60px;
      }
    }