/* roulang page: index */
:root {
      --primary: #0066FF;
      --primary-hover: #0052cc;
      --secondary: #00E599;
      --secondary-dark: #00b377;
      --bg-main: #F8FAFC;
      --surface: #FFFFFF;
      --surface-dark: #0D1117;
      --surface-dark-card: #161B22;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border: #E2E8F0;
      --border-dark: #30363D;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 20px -2px rgba(0,0,0,0.08);
      --shadow-lg: 0 12px 32px -4px rgba(0,102,255,0.12);
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: var(--font-sans);
      background-color: var(--bg-main);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
    }

    body {
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s ease;
    }

    .top-bar {
      background: #0f172a;
      color: #94a3b8;
      font-size: 13px;
      padding: 6px 0;
      border-bottom: 1px solid #1e293b;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .top-bar-tag {
      background: rgba(0, 229, 153, 0.15);
      color: var(--secondary);
      padding: 1px 6px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
    }

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

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #0f172a;
    }

    .nav-brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      font-weight: 900;
      box-shadow: 0 4px 10px rgba(0,102,255,0.3);
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: #334155;
      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;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      line-height: 1.4;
      text-align: center;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 102, 255, 0.28);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(0, 102, 255, 0.35);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.25);
      backdrop-filter: blur(8px);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.22);
      border-color: rgba(255, 255, 255, 0.4);
      transform: translateY(-1px);
    }

    .btn-light {
      background: #ffffff;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .btn-light:hover {
      background: #f1f5f9;
      transform: translateY(-1px);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 13px;
    }

    /* Section Base */
    section {
      padding: 96px 0;
      position: relative;
    }

    .section-header {
      margin-bottom: 56px;
      max-width: 820px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      background: rgba(0, 102, 255, 0.08);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 32px;
      line-height: 1.3;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero Section */
    #hero {
      position: relative;
      padding: 120px 0 100px;
      background: linear-gradient(180deg, #070c14 0%, #0d1624 100%);
      color: #fff;
      overflow: hidden;
    }

    .hero-bg-cover {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.28;
      filter: saturate(1.2);
    }

    .hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 75% 30%, rgba(0, 102, 255, 0.25) 0%, transparent 60%),
                  linear-gradient(to top, #070c14 0%, transparent 80%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }

    .hero-countdown-bar {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(0, 229, 153, 0.35);
      padding: 8px 18px;
      border-radius: 40px;
      margin-bottom: 28px;
      backdrop-filter: blur(10px);
    }

    .hero-countdown-tag {
      background: var(--secondary);
      color: #042116;
      font-size: 11px;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }

    .hero-countdown-text {
      font-size: 13px;
      color: #e2e8f0;
    }

    .hero-countdown-timer {
      font-family: monospace;
      font-weight: 700;
      color: var(--secondary);
    }

    .hero-title {
      font-size: 48px;
      line-height: 1.15;
      font-weight: 800;
      margin-bottom: 24px;
      letter-spacing: -1px;
      text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }

    .hero-title span {
      background: linear-gradient(90deg, #60a5fa, #00E599);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      line-height: 1.75;
      color: #cbd5e1;
      margin-bottom: 36px;
      max-width: 780px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 48px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-metric-item h4 {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
      font-family: monospace;
    }

    .hero-metric-item p {
      font-size: 13px;
      color: #94a3b8;
    }

    /* 2. Global Coverage */
    #global-reach {
      background: #ffffff;
      border-bottom: 1px solid var(--border);
    }

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

    .network-preview {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
    }

    .network-preview img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .network-badge {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.9);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .network-badge-num {
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
    }

    .node-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .node-pill {
      background: var(--bg-main);
      border: 1px solid var(--border);
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
    }

    /* 3. Scenario Cards */
    #scenarios {
      background: #f8fafc;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .scenario-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 102, 255, 0.3);
    }

    .scenario-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .scenario-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .scenario-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .scenario-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #0f172a;
    }

    .scenario-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex: 1;
    }

    .scenario-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 4. Localized Capability */
    #local-capability {
      background: #ffffff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .capability-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .capability-box {
      padding: 28px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      background: #fafcff;
      transition: all 0.3s ease;
    }

    .capability-box:hover {
      border-color: var(--primary);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .cap-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
      display: inline-block;
    }

    .cap-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .cap-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 5. Customer Cases */
    #case-studies {
      background: #f8fafc;
    }

    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 64px;
    }

    .case-row:last-child {
      margin-bottom: 0;
    }

    .case-row.reverse {
      direction: rtl;
    }

    .case-row.reverse .case-content {
      direction: ltr;
    }

    .case-row.reverse .case-img-wrap {
      direction: ltr;
    }

    .case-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
    }

    .case-img-wrap img {
      width: 100%;
      height: 360px;
      object-fit: cover;
    }

    .case-content {
      padding: 12px 0;
    }

    .case-meta {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
      text-transform: uppercase;
    }

    .case-heading {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #0f172a;
    }

    .case-text {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .case-stat-badge {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      background: #fff;
      border: 1px solid var(--border);
      padding: 12px 20px;
      border-radius: var(--radius-md);
    }

    .case-stat-val {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
    }

    .case-stat-lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 6. Technology Foundation */
    #tech-matrix {
      background: var(--surface-dark);
      color: #fff;
      position: relative;
    }

    #tech-matrix .section-title {
      color: #fff;
    }

    #tech-matrix .section-desc {
      color: #94a3b8;
    }

    .tech-stack-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .tech-card {
      background: var(--surface-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      position: relative;
      transition: all 0.3s ease;
    }

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

    .tech-code-badge {
      display: inline-block;
      font-family: monospace;
      font-size: 12px;
      color: var(--secondary);
      background: rgba(0, 229, 153, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 16px;
    }

    .tech-card-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #f1f5f9;
    }

    .tech-card-p {
      font-size: 14px;
      color: #94a3b8;
      line-height: 1.65;
    }

    /* 7. Group Purchase / Promotion System */
    #dispatch-pool {
      background: #ffffff;
      border-bottom: 1px solid var(--border);
    }

    .pool-banner {
      background: linear-gradient(135deg, #f0f7ff 0%, #e6f0fa 100%);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 36px;
    }

    .pool-banner-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
    }

    .pool-progress-wrap {
      flex: 1;
      min-width: 280px;
    }

    .progress-bar-bg {
      height: 12px;
      background: #cbd5e1;
      border-radius: 6px;
      overflow: hidden;
      margin-top: 8px;
    }

    .progress-bar-fill {
      height: 100%;
      width: 78%;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      border-radius: 6px;
    }

    .pool-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pool-item-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      background: #fff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .pool-item-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 16px;
    }

    .pool-item-title {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
    }

    .pool-discount-tag {
      background: #fef2f2;
      color: #dc2626;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 8. Core Metrics Section */
    #metrics {
      background: #0f172a;
      color: #fff;
      padding: 72px 0;
    }

    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .metrics-cell h3 {
      font-size: 40px;
      font-weight: 800;
      color: var(--secondary);
      font-family: monospace;
      margin-bottom: 8px;
    }

    .metrics-cell p {
      font-size: 14px;
      color: #94a3b8;
    }

    /* 9. News / Industry Insights */
    #news-insights {
      background: #f8fafc;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

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

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

    .news-card:hover .news-thumb img {
      transform: scale(1.04);
    }

    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-date {
      font-size: 12px;
      color: #94a3b8;
      margin-bottom: 10px;
    }

    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-excerpt {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
      margin-bottom: 16px;
    }

    /* 10. Service Warranty & Policy */
    #sla-guarantee {
      background: #ffffff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .sla-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .sla-card {
      padding: 32px 28px;
      border-radius: var(--radius-md);
      background: #fafcff;
      border: 1px solid var(--border);
    }

    .sla-badge {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 102, 255, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .sla-title {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .sla-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 11. FAQ Accordion */
    #faq-section {
      background: #f8fafc;
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      margin-bottom: 16px;
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .faq-item:hover {
      border-color: rgba(0, 102, 255, 0.3);
    }

    .faq-summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      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-icon {
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      transition: transform 0.25s ease;
    }

    details[open] .faq-icon {
      transform: rotate(45deg);
    }

    .faq-content {
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    /* 12. Contact Sales & Conversion Form */
    #contact-sales {
      background: linear-gradient(135deg, #070c14 0%, #0d1624 100%);
      color: #fff;
      position: relative;
    }

    .contact-card-box {
      background: var(--surface-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }

    .contact-info-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #fff;
    }

    .contact-info-desc {
      font-size: 15px;
      color: #94a3b8;
      line-height: 1.75;
      margin-bottom: 32px;
    }

    .contact-spec-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .contact-spec-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #cbd5e1;
    }

    .contact-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary);
    }

    .contact-form {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 32px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #e2e8f0;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-dark);
      background: #090d16;
      color: #fff;
      font-size: 14px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
    }

    .form-control::placeholder {
      color: #475569;
    }

    /* Footer */
    .site-footer {
      background: #090d16;
      color: #94a3b8;
      font-size: 14px;
      border-top: 1px solid #1e293b;
      padding: 64px 0 32px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }

    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-brand-p {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13.5px;
      color: #64748b;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #f1f5f9;
      margin-bottom: 18px;
    }

    .footer-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-list a {
      color: #64748b;
      font-size: 13px;
    }

    .footer-list a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid #1e293b;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12.5px;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
      .network-grid, .case-row, .contact-card-box {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .scenario-grid, .tech-stack-grid, .pool-cards-grid, .news-grid, .sla-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .capability-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .main-nav {
        height: 64px;
      }
      .nav-links {
        display: none;
      }
      .hero-title {
        font-size: 34px;
      }
      .scenario-grid, .capability-grid, .tech-stack-grid, .pool-cards-grid, .news-grid, .sla-grid {
        grid-template-columns: 1fr;
      }
      .metrics-bar {
        grid-template-columns: 1fr;
      }
      .contact-card-box {
        padding: 32px 24px;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }