/* roulang page: index */
:root {
      --primary: #0252D4;
      --primary-hover: #013ea5;
      --accent: #00D2B4;
      --accent-dark: #00a890;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B132B;
      --bg-dark-card: #1C2541;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-light: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 4px 20px -2px rgba(2, 82, 212, 0.05);
      --shadow-hover: 0 14px 34px -4px rgba(2, 82, 212, 0.12);
      --container-max: 1240px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部服务状态条 */
    .top-bar {
      background-color: #081021;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .dot-pulse {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }
    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s ease;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-cta-btn {
      background: var(--primary);
      color: #ffffff;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      transition: all 0.2s ease;
      display: inline-block;
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(2, 82, 212, 0.25);
    }

    /* 按钮通用 */
    .btn-main {
      background-color: var(--primary);
      color: #fff;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
      border: 1px solid var(--primary);
    }
    .btn-main:hover {
      background-color: var(--primary-hover);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .btn-sub {
      background-color: #fff;
      color: var(--text-main);
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
      border: 1px solid var(--border-color);
    }
    .btn-sub:hover {
      background-color: #f1f5f9;
      border-color: #cbd5e1;
    }

    /* 徽章 */
    .badge {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(2, 82, 212, 0.08);
      color: var(--primary);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
    }
    .badge-accent {
      background: rgba(0, 210, 180, 0.15);
      color: #008774;
    }

    /* 板块排版公用 */
    .site-section {
      padding: 90px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-white);
    }
    .section-head {
      margin-bottom: 50px;
    }
    .section-head.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero 本地感地图/节点分布首屏 */
    .hero-area {
      background: linear-gradient(to bottom, #EDF4FF, var(--bg-main));
      padding: 60px 0 90px;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: #0A192F;
      margin: 16px 0;
    }
    .hero-title span {
      color: var(--primary);
    }
    .hero-summary {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 32px;
    }
    .hero-region-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      background: #ffffff;
      padding: 12px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .region-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-muted);
    }
    .region-tag {
      font-size: 12px;
      padding: 3px 10px;
      background: #EEF2F6;
      border-radius: 4px;
      color: #475569;
    }
    .hero-visual-card {
      position: relative;
      background: #0f172a;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    }
    .hero-visual-card img {
      width: 100%;
      height: 420px;
      object-fit: cover;
      opacity: 0.85;
    }
    .hero-metric-overlay {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(11, 19, 43, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 16px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      text-align: center;
      color: #fff;
    }
    .metric-val {
      font-size: 20px;
      font-weight: 700;
      color: var(--accent);
    }
    .metric-txt {
      font-size: 12px;
      color: #CBD5E1;
      margin-top: 2px;
    }

    /* 2. 资料目录 */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .catalog-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all 0.25s ease;
      box-shadow: var(--shadow-sm);
    }
    .catalog-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .catalog-badge {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .catalog-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .catalog-desc {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
    }

    /* 3. 痛点诊断 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid #fee2e2;
      padding: 26px 20px;
      position: relative;
    }
    .pain-idx {
      font-size: 26px;
      font-weight: 800;
      color: #ef4444;
      opacity: 0.8;
      margin-bottom: 12px;
    }
    .pain-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #991b1b;
    }
    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 架构图文解构（价值点） */
    .arch-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-media img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-hover);
      border: 1px solid var(--border-color);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .arch-list {
      list-style: none;
      margin-top: 24px;
    }
    .arch-item {
      display: flex;
      gap: 16px;
      margin-bottom: 20px;
    }
    .arch-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(2, 82, 212, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .arch-item-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .arch-item-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 5. 核心优势六宫格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s;
      box-shadow: var(--shadow-sm);
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .feature-icon-wrap {
      width: 48px;
      height: 48px;
      background: #eff6ff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 20px;
      margin-bottom: 20px;
    }
    .feature-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 关键图表与前后对比 */
    .compare-section {
      background: #fff;
    }
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #F1F5F9;
      font-weight: 700;
      color: var(--text-main);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table .highlight {
      background: #eff6ff;
      color: var(--primary);
      font-weight: 600;
    }

    /* 7. 方案三列卡片 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .sol-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }
    .sol-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-5px);
    }
    .sol-img-wrap {
      height: 200px;
      overflow: hidden;
    }
    .sol-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .sol-card:hover .sol-img-wrap img {
      transform: scale(1.05);
    }
    .sol-body {
      padding: 26px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .sol-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .sol-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex: 1;
    }
    .sol-list {
      list-style: none;
      font-size: 13px;
      color: var(--text-light);
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .sol-list li {
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
    }
    .sol-list li::before {
      content: "✓";
      color: var(--accent-dark);
      position: absolute;
      left: 0;
      font-weight: 700;
    }

    /* 8. 深色沉浸式技术理念断层 */
    .dark-section {
      background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark-card));
      color: #fff;
      padding: 100px 0;
    }
    .dark-section .section-title {
      color: #fff;
    }
    .dark-section .section-desc {
      color: #94A3B8;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .dark-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 18px;
    }
    .dark-box-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .dark-box-desc {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.6;
    }
    .dark-media img {
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.15);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 9. 部署落地流水线 */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
    }
    .step-badge {
      display: inline-block;
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      text-align: center;
      line-height: 32px;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 16px;
    }
    .step-name {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .step-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 10. 案例图文 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .case-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .case-content {
      padding: 28px;
    }
    .case-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .case-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .case-kpi {
      display: flex;
      gap: 20px;
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
    }
    .case-kpi-item {
      font-size: 13px;
      color: var(--text-light);
    }
    .case-kpi-item strong {
      display: block;
      font-size: 18px;
      color: var(--primary);
      font-weight: 700;
    }

    /* 11. 数据指标栏 */
    .metrics-bar {
      background: #0252D4;
      color: #fff;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-number {
      font-size: 42px;
      font-weight: 900;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 10px;
    }
    .metric-label {
      font-size: 15px;
      color: #E2E8F0;
    }

    /* 12. 客户证言与口碑 */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .testi-rating {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 14px;
    }
    .testi-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .user-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-org {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 13. 资讯内参 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-img-wrap {
      height: 180px;
    }
    .news-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      flex: 1;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-card-title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 14. FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item:hover {
      border-color: #cbd5e1;
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: "+";
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.2s;
    }
    details[open] .faq-summary::after {
      content: "−";
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }

    /* 15. 领取表单 / CTA 收口 */
    .cta-container {
      background: linear-gradient(135deg, #0252D4, #0A2540);
      border-radius: 24px;
      padding: 60px 50px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .cta-desc {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-form-box {
      background: #FFFFFF;
      padding: 28px;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      color: var(--text-main);
    }
    .cta-form-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .cta-input-group {
      margin-bottom: 14px;
    }
    .cta-label {
      display: block;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .cta-input {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s;
    }
    .cta-input:focus {
      border-color: var(--primary);
    }
    .cta-submit-btn {
      width: 100%;
      background: var(--primary);
      color: #fff;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s;
      margin-top: 6px;
    }
    .cta-submit-btn:hover {
      background: var(--primary-hover);
    }

    /* 页脚 */
    .site-footer {
      background: #081021;
      color: #94A3B8;
      padding: 70px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-logo {
      font-size: 18px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
      display: inline-block;
    }
    .footer-desc {
      line-height: 1.7;
      font-size: 13px;
      color: #64748B;
      margin-bottom: 18px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: color 0.2s;
    }
    .footer-links a:hover {
      color: #fff;
    }
    .footer-contact-list {
      list-style: none;
      line-height: 1.8;
      font-size: 13px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #475569;
    }

    /* 移动端汉堡与响应式断点 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-main);
    }

    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .catalog-grid, .pain-grid, .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid, .solution-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-wrapper, .dark-grid, .cta-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }
      .nav-links, .nav-cta-btn {
        display: none;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        gap: 18px;
      }
      .hero-title {
        font-size: 32px;
      }
      .catalog-grid, .pain-grid, .feature-grid, .solution-grid, .step-grid, .case-grid, .testi-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .cta-container {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }