/* roulang page: index */
:root {
      --primary: #1E293B;
      --primary-dark: #0F172A;
      --accent: #0D9488;
      --accent-hover: #0F766E;
      --highlight: #F59E0B;
      --surface-light: #F8FAFC;
      --surface-white: #FFFFFF;
      --border-color: #E2E8F0;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-subtle: #94A3B8;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--surface-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

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

    /* 顶部通知条 */
    .top-bar {
      background: var(--primary-dark);
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-meta {
      display: flex;
      gap: 20px;
    }
    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      margin-right: 6px;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }

    /* 导航栏 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      color: var(--primary);
    }
    .brand-symbol {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 18px;
      font-weight: 800;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }
    .nav-menu a {
      color: #334155;
      font-size: 15px;
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--accent);
    }
    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-menu a:hover::after, .nav-menu a.active::after {
      width: 100%;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius);
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      gap: 8px;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #fff;
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
    }
    .btn-outline {
      border-color: rgba(255, 255, 255, 0.4);
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(4px);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.2);
      border-color: #fff;
    }
    .btn-highlight {
      background-color: var(--highlight);
      color: #fff;
    }
    .btn-highlight:hover {
      background-color: #D97706;
    }

    /* 移动端菜单控制 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--primary);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 通用板块 */
    .section {
      padding: 80px 0;
      position: relative;
    }
    .section-white {
      background-color: var(--surface-white);
    }
    .section-slate {
      background-color: var(--surface-light);
    }
    .section-dark {
      background-color: var(--primary-dark);
      color: #fff;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }
    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(13, 148, 136, 0.1);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-badge {
      background: rgba(13, 148, 136, 0.25);
      color: #2DD4BF;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #fff;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. 首屏品牌旗舰大图与系列导航条 */
    .hero-flagship {
      position: relative;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.9) 100%), url('/assets/images/ce1317cea5a9b0a9.jpg') center/cover no-repeat;
      padding: 110px 0 130px;
      color: #fff;
      overflow: hidden;
    }
    .hero-content {
      max-width: 860px;
      margin: 0 auto 40px auto;
      text-align: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 14px;
      margin-bottom: 24px;
    }
    .hero-h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 22px;
    }
    .hero-h1 span {
      color: #2DD4BF;
    }
    .hero-p {
      font-size: 17px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 34px;
      text-align: justify;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 40px;
    }
    /* 系列导航条叠在大图上 */
    .flagship-nav-bar {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-lg);
      padding: 16px 24px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    }
    .flagship-nav-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 8px;
      border-radius: 6px;
      transition: var(--transition);
      color: #fff;
    }
    .flagship-nav-item:hover {
      background: rgba(255, 255, 255, 0.15);
    }
    .flagship-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(13, 148, 136, 0.3);
      border: 1px solid rgba(45, 212, 191, 0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: #2DD4BF;
      flex-shrink: 0;
    }
    .flagship-text h4 {
      font-size: 15px;
      margin-bottom: 2px;
      font-weight: 600;
    }
    .flagship-text p {
      font-size: 12px;
      color: #94A3B8;
      line-height: 1.4;
    }

    /* 2. 资料目录 */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .catalog-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .catalog-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .catalog-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .catalog-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
      color: var(--primary);
    }
    .catalog-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .catalog-link {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 3. 价值点 */
    .value-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .value-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px 20px;
      text-align: center;
      transition: var(--transition);
    }
    .value-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
    }
    .value-badge-num {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: #F0FDFA;
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      border: 1px solid #CCFBF1;
    }
    .value-card h3 {
      font-size: 17px;
      margin-bottom: 10px;
      color: var(--primary);
    }
    .value-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 关键图表 / 数据看板条 */
    .dashboard-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: var(--surface-white);
      padding: 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .metric-item {
      border-right: 1px solid var(--border-color);
      padding-right: 20px;
    }
    .metric-item:last-child {
      border-right: none;
      padding-right: 0;
    }
    .metric-val {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      font-variant-numeric: tabular-nums;
    }
    .metric-val span {
      font-size: 20px;
      font-weight: 600;
      color: var(--accent);
    }
    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 6px;
      font-weight: 600;
    }
    .metric-sub {
      font-size: 12px;
      color: var(--text-subtle);
    }

    /* 5. 门户运营服务矩阵 (6卡网格) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      transition: var(--transition);
      position: relative;
    }
    .matrix-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .matrix-tag {
      font-size: 11px;
      background: #F1F5F9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .matrix-card h3 {
      font-size: 18px;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .matrix-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 架构升级前后对比 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .compare-box {
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-color);
    }
    .compare-traditional {
      background: #FFFBEB;
      border-color: #FDE68A;
    }
    .compare-centralized {
      background: #F0FDFA;
      border-color: #99F6E4;
    }
    .compare-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .compare-header h3 {
      font-size: 20px;
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .compare-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      line-height: 1.6;
    }
    .badge-cross {
      color: #DC2626;
      font-weight: 700;
      flex-shrink: 0;
    }
    .badge-check {
      color: #0D9488;
      font-weight: 700;
      flex-shrink: 0;
    }

    /* 7. 深色全球总线中枢架构区 */
    .arch-diagram-wrap {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-text-content h3 {
      font-size: 24px;
      margin-bottom: 16px;
      color: #fff;
    }
    .arch-text-content p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .arch-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .arch-features li {
      display: flex;
      gap: 10px;
      font-size: 14px;
      color: #CBD5E1;
    }
    .arch-features span {
      color: #2DD4BF;
    }
    .arch-img-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    }

    /* 8. 演进里程碑 */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .timeline-step {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px 20px;
      position: relative;
    }
    .timeline-phase {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .timeline-step h3 {
      font-size: 17px;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .timeline-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 9. 全球运营案例 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-card-img {
      height: 180px;
      overflow: hidden;
    }
    .case-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .case-card:hover .case-card-img img {
      transform: scale(1.05);
    }
    .case-card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .case-industry {
      font-size: 12px;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .case-card-body h3 {
      font-size: 18px;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .case-card-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .case-metric-highlight {
      background: #F8FAFC;
      border: 1px dashed var(--border-color);
      border-radius: 6px;
      padding: 10px 14px;
      font-size: 13px;
      color: var(--primary);
    }

    /* 10. 相关资源中心 */
    .resource-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .resource-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
    }
    .resource-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }
    .resource-type {
      font-size: 12px;
      color: var(--highlight);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .resource-card h3 {
      font-size: 17px;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .resource-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .resource-btn {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. 运维资讯区 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-subtle);
      margin-bottom: 12px;
    }
    .news-card h3 {
      font-size: 17px;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-card-link {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
    }

    /* 12. 平台保障与合规资质 */
    .sla-banner {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .sla-item {
      text-align: center;
    }
    .sla-badge-icon {
      width: 52px;
      height: 52px;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--accent);
      margin: 0 auto 16px auto;
    }
    .sla-item h3 {
      font-size: 16px;
      margin-bottom: 8px;
      color: var(--primary);
    }
    .sla-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 常见问题 Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--surface-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 22px 26px;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--accent);
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .faq-a {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 架构方案与诊断表单 */
    .form-section-wrap {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #fff;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 50px;
      align-items: center;
    }
    .form-text h2 {
      font-size: 30px;
      line-height: 1.3;
      margin-bottom: 18px;
    }
    .form-text p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .form-promise {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: #CBD5E1;
    }
    .form-promise li::before {
      content: '✓';
      color: #2DD4BF;
      margin-right: 8px;
      font-weight: bold;
    }
    .consult-form {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius);
      color: var(--text-main);
      box-shadow: var(--shadow-lg);
    }
    .form-row {
      margin-bottom: 16px;
    }
    .form-row label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--primary);
    }
    .form-row input, .form-row select, .form-row textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      outline: none;
      font-size: 14px;
      transition: var(--transition);
    }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    }
    .form-btn-submit {
      width: 100%;
      background: var(--accent);
      color: #fff;
      padding: 12px;
      border-radius: 6px;
      font-weight: 700;
      font-size: 15px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }
    .form-btn-submit:hover {
      background: var(--accent-hover);
    }

    /* 综合页脚 */
    .site-footer {
      background-color: var(--primary-dark);
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 16px;
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col ul li a {
      color: #94A3B8;
      transition: var(--transition);
    }
    .footer-col ul li a:hover {
      color: #2DD4BF;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }
    .footer-bottom a {
      color: #94A3B8;
    }
    .footer-bottom a:hover {
      color: #fff;
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .flagship-nav-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .catalog-grid, .matrix-grid, .resource-grid, .news-grid, .case-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .value-grid, .dashboard-metrics, .timeline-wrap, .sla-banner {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-section-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-diagram-wrap {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-nav {
        padding: 0;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        gap: 16px;
        align-items: flex-start;
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-action-btn {
        display: none;
      }
      .top-bar-inner {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .hero-actions {
        flex-direction: column;
      }
      .flagship-nav-bar {
        grid-template-columns: 1fr;
      }
      .compare-container {
        grid-template-columns: 1fr;
      }
      .catalog-grid, .matrix-grid, .resource-grid, .news-grid, .case-grid, .value-grid, .dashboard-metrics, .timeline-wrap, .sla-banner {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 16px;
        padding-right: 0;
      }
      .metric-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .section {
        padding: 50px 0;
      }
    }