/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #10B981;
      --accent-hover: #059669;
      --bg: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0F172A;
      --text: #0F172A;
      --text-muted: #475569;
      --text-sub: #64748B;
      --border: #E2E8F0;
      --border-dark: #1E293B;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 12px 24px -4px rgba(30, 64, 175, 0.08);
      --radius: 12px;
      --radius-lg: 16px;
      --transition: all 0.25s ease;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Top Bar */
    .top-bar {
      background-color: #F1F5F9;
      border-bottom: 1px solid var(--border);
      font-size: 13px;
      color: var(--text-sub);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-info span {
      margin-right: 20px;
    }

    /* Main Navigation */
    .site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--accent);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 15px;
      color: var(--text);
      font-weight: 500;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary);
    }
    .nav-cta-btn {
      background: var(--primary);
      color: #fff !important;
      padding: 10px 20px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition);
      box-shadow: 0 4px 10px rgba(30, 64, 175, 0.2);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text);
      cursor: pointer;
    }

    /* Typography & Layout Shared */
    section {
      padding: 90px 0;
    }
    .section-title-wrap {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(16, 185, 129, 0.12);
      color: var(--accent);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero Section */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 64, 175, 0.8)), url('/assets/images/dae508929290a802.webp') center/cover no-repeat;
      color: #fff;
      padding: 110px 0 120px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      margin-bottom: 24px;
    }
    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .hero-title span {
      color: #38BDF8;
    }
    .hero-sub {
      font-size: 17px;
      line-height: 1.75;
      color: #E2E8F0;
      margin-bottom: 36px;
    }
    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-main {
      background: var(--accent);
      color: #fff;
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
      transition: var(--transition);
    }
    .btn-main:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: #fff;
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      transition: var(--transition);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }
    .hero-dashboard-preview {
      background: #0F172A;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 14px;
      box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
    }
    .hero-dashboard-preview img {
      border-radius: calc(var(--radius-lg) - 6px);
      width: 100%;
      height: 330px;
      object-fit: cover;
    }

    /* 2. Overview Section */
    .overview-section {
      background: #FFFFFF;
    }
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .overview-media {
      position: relative;
    }
    .overview-media img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .tech-metric-card {
      position: absolute;
      bottom: -24px;
      right: 20px;
      background: #FFFFFF;
      padding: 18px 22px;
      border-radius: var(--radius);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
      border-left: 4px solid var(--accent);
      max-width: 320px;
    }
    .tech-metric-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .tech-metric-card strong {
      color: var(--primary);
      font-size: 15px;
      display: block;
      margin-bottom: 4px;
    }
    .overview-content h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.35;
    }
    .overview-list {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .overview-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .overview-item-icon {
      width: 24px;
      height: 24px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .overview-item h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .overview-item p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 3. Advantages Grid */
    .advantages-section {
      background: var(--bg);
    }
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: var(--bg-white);
      padding: 32px 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(30, 64, 175, 0.25);
    }
    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(30, 64, 175, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .adv-card:nth-child(2) .adv-icon-wrap,
    .adv-card:nth-child(5) .adv-icon-wrap {
      background: rgba(16, 185, 129, 0.1);
      color: var(--accent);
    }
    .adv-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. Solutions Section */
    .solutions-section {
      background: #FFFFFF;
    }
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .solution-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #FFFFFF;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .solution-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .solution-img-box {
      height: 200px;
      overflow: hidden;
    }
    .solution-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .solution-card:hover .solution-img-box img {
      transform: scale(1.04);
    }
    .solution-body {
      padding: 26px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .solution-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .solution-body h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .solution-body p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .solution-features {
      list-style: none;
      margin-top: auto;
      border-top: 1px solid var(--border);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .solution-features li {
      font-size: 13px;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .solution-features li::before {
      content: "✓";
      color: var(--accent);
      font-weight: 700;
    }

    /* 5. Dark Concept Section */
    .concept-section {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }
    .concept-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 60px;
      align-items: center;
    }
    .concept-media {
      position: relative;
    }
    .concept-media img {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-dark);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .concept-content h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .concept-content .concept-lead {
      color: #94A3B8;
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 30px;
    }
    .concept-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .concept-step-item {
      display: flex;
      gap: 16px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
      padding: 18px;
      border-radius: var(--radius);
    }
    .step-number {
      font-size: 18px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
    }
    .step-text h4 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .step-text p {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.5;
    }

    /* 6. Case Studies */
    .case-section {
      background: var(--bg);
    }
    .case-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      min-height: 400px;
      object-fit: cover;
    }
    .case-info {
      padding: 44px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-venue-name {
      font-size: 13px;
      color: var(--accent);
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .case-info h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .case-metrics-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 24px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border);
    }
    .metric-item-val {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
    }
    .metric-item-label {
      font-size: 12px;
      color: var(--text-sub);
    }
    .case-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      font-style: italic;
      background: #F8FAFC;
      padding: 16px;
      border-left: 3px solid var(--primary);
      border-radius: 4px;
    }

    /* 7. Stats Counter */
    .stats-section {
      background: linear-gradient(90deg, #1E40AF 0%, #1E3A8A 100%);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .stat-number {
      font-size: 44px;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .stat-number span {
      color: var(--accent);
      font-size: 32px;
    }
    .stat-label {
      font-size: 14px;
      color: #CBD5E1;
      font-weight: 500;
    }

    /* 8. Testimonials */
    .testimonials-section {
      background: #FFFFFF;
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .testi-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #CBD5E1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 15px;
    }
    .user-meta h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
    }
    .user-meta p {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 9. Insights / News */
    .insights-section {
      background: var(--bg);
    }
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-bottom: 40px;
    }
    .insight-card {
      background: #FFFFFF;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .insight-card img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .insight-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .insight-date {
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .insight-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .insight-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .insight-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .insights-bottom-action {
      text-align: center;
    }

    /* 10. FAQ Section */
    .faq-section {
      background: #FFFFFF;
    }
    .faq-wrapper {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: #FFFFFF;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: rgba(30, 64, 175, 0.4);
      box-shadow: var(--shadow-sm);
    }
    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      user-select: none;
    }
    .faq-header:hover {
      color: var(--primary);
    }
    .faq-toggle-icon {
      font-size: 18px;
      color: var(--text-sub);
      transition: transform 0.2s;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }
    .faq-content {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-content {
      display: block;
    }

    /* 11. SLA / Trust */
    .sla-section {
      background: var(--bg);
      padding:60px 0;
    }
    .sla-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .sla-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .sla-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: rgba(30, 64, 175, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
    }
    .sla-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .sla-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 12. Final CTA & Form */
    .cta-form-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
      color: #FFFFFF;
      padding: 85px 0;
    }
    .cta-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .cta-form-left h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 18px;
    }
    .cta-form-left p {
      color: #CBD5E1;
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-features li {
      font-size: 14px;
      color: #E2E8F0;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cta-features li span {
      color: var(--accent);
      font-weight: bold;
    }
    .form-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      color: var(--text);
    }
    .form-wrapper h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--text);
    }
    .form-wrapper p {
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
    }
    .form-group input, .form-group select {
      width: 100%;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 0 14px;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
      background: #F8FAFC;
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
    }
    .form-submit-btn {
      width: 100%;
      height: 46px;
      background: var(--accent);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: var(--transition);
      margin-top: 10px;
    }
    .form-submit-btn:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
    }
    .form-privacy-note {
      font-size: 11px;
      color: var(--text-sub);
      text-align: center;
      margin-top: 12px;
      line-height: 1.4;
    }

    /* Footer */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 70px 0 24px;
      border-top: 1px solid #1E293B;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 19px;
      color: #FFFFFF;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.75;
      color: #94A3B8;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 13px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #64748B;
    }
    .footer-bottom a {
      color: #64748B;
    }
    .footer-bottom a:hover {
      color: #94A3B8;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .overview-grid, .concept-grid, .case-card, .cta-form-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid, .solutions-grid, .testimonials-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid, .sla-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-img-wrap img {
        min-height: 280px;
      }
    }

    @media (max-width: 767px) {
      section {
        padding: 55px 0;
      }
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        gap: 16px;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-cta-btn {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-sub {
        font-size: 15px;
      }
      .advantages-grid, .solutions-grid, .testimonials-grid, .insights-grid, .stats-grid, .sla-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .tech-metric-card {
        position: static;
        margin-top: 14px;
        max-width: 100%;
      }
      .stat-number {
        font-size: 34px;
      }
      .case-metrics-row {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .form-wrapper {
        padding: 24px 18px;
      }
    }