/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-accent: #2563EB;
      --primary-hover: #1D4ED8;
      --success-sla: #059669;
      --warning-sla: #D97706;
      --danger-sla: #DC2626;
      --surface-bg: #F8FAFC;
      --surface-subtle: #F1F5F9;
      --card-bg: #FFFFFF;
      --text-main: #334155;
      --text-title: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-focus: #94A3B8;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      background-color: var(--surface-bg);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

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

    /* Header & Topbar */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

    .top-status-bar {
      background: #0B0F19;
      color: #94A3B8;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #34D399;
      font-weight: 500;
    }

    .status-pulse {
      width: 7px;
      height: 7px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
    }

    .top-bar-links {
      display: flex;
      gap: 18px;
    }

    .top-bar-links span {
      color: #CBD5E1;
    }

    .nav-main {
      padding: 14px 0;
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary-accent), #1E40AF);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-size: 16px;
      font-weight: 800;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
      gap: 24px;
    }

    .nav-menu a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 4px;
      position: relative;
    }

    .nav-menu a:hover {
      color: var(--primary-accent);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-nav-ghost {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      transition: background 0.2s;
    }

    .btn-nav-ghost:hover {
      background: var(--surface-subtle);
    }

    .btn-nav-primary {
      font-size: 14px;
      font-weight: 600;
      color: #FFFFFF;
      background: var(--primary-accent);
      padding: 9px 18px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
    }

    .btn-nav-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    /* Section Base Style */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--primary-accent);
      background: rgba(37, 99, 235, 0.08);
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: -0.02em;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* Card System */
    .card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease;
    }

    .card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
      border-color: #CBD5E1;
    }

    /* 1. Hero Section (API / Dev Compact Stage) */
    .hero-section {
      padding: 60px 0 70px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, var(--surface-bg) 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge-row {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
    }

    .hero-tag {
      background: #EFF6FF;
      color: var(--primary-accent);
      font-size: 13px;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 9999px;
      border: 1px solid #BFDBFE;
    }

    .hero-h1 {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-title);
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }

    .hero-h1 span {
      color: var(--primary-accent);
    }

    .hero-p {
      font-size: 16px;
      color: var(--text-main);
      line-height: 1.75;
      margin-bottom: 30px;
      max-width: 620px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-accent);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
      transition: all 0.25s ease;
    }

    .btn-hero-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    }

    .btn-hero-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      color: var(--text-title);
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .btn-hero-outline:hover {
      background: var(--surface-subtle);
      border-color: #CBD5E1;
    }

    .hero-metrics-pill {
      display: flex;
      gap: 24px;
      padding-top: 18px;
      border-top: 1px solid var(--border-color);
    }

    .hero-metric-item {
      display: flex;
      flex-direction: column;
    }

    .hero-metric-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-title);
    }

    .hero-metric-label {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Terminal / API Mockup in Hero */
    .terminal-window {
      background: #0B0F19;
      border-radius: var(--radius-lg);
      border: 1px solid #1E293B;
      box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .terminal-topbar {
      background: #111827;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid #1E293B;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }

    .terminal-title {
      color: #94A3B8;
      font-size: 12px;
      font-family: monospace;
      margin-left: 8px;
    }

    .terminal-body {
      padding: 20px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 13px;
      line-height: 1.6;
      color: #E2E8F0;
    }

    .code-comment { color: #64748B; }
    .code-keyword { color: #F472B6; }
    .code-method { color: #38BDF8; }
    .code-string { color: #A7F3D0; }
    .code-num { color: #FBBF24; }

    .terminal-footer-status {
      background: #0F172A;
      padding: 10px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      border-top: 1px solid #1E293B;
      color: #94A3B8;
    }

    /* 2. Pain Points Section */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .pain-card {
      border-top: 3px solid #EF4444;
    }

    .pain-tag {
      font-size: 11px;
      font-weight: 700;
      color: #DC2626;
      background: #FEE2E2;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.6;
    }

    /* 3. Product Overview & Architecture */
    .overview-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .spec-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }

    .spec-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-md);
      background: #EFF6FF;
      color: var(--primary-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
      font-size: 18px;
    }

    .spec-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 6px;
    }

    .spec-desc {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.6;
    }

    .overview-visual {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }

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

    .overview-visual-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.9) 100%);
      padding: 24px;
      color: #FFFFFF;
    }

    .overview-stat-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

    .overview-stat-val {
      font-size: 20px;
      font-weight: 800;
      color: #38BDF8;
    }

    .overview-stat-lbl {
      font-size: 12px;
      color: #CBD5E1;
    }

    /* 4. Core Features Grid */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      position: relative;
    }

    .feature-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
    }

    .feature-badge {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      background: #F1F5F9;
      color: var(--text-muted);
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: #EFF6FF;
      color: var(--primary-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .feature-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .feature-list {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .feature-list li {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .feature-list li::before {
      content: "✓";
      color: var(--success-sla);
      font-weight: bold;
    }

    /* 5. Deployment Solutions Matrix */
    .solutions-section {
      background: var(--surface-subtle);
    }

    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px 28px;
    }

    .solution-card.featured {
      border: 2px solid var(--primary-accent);
      position: relative;
      box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.15);
    }

    .featured-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-accent);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 9999px;
    }

    .sol-header {
      margin-bottom: 20px;
    }

    .sol-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 8px;
    }

    .sol-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .sol-spec-list {
      list-style: none;
      margin: 24px 0;
      border-top: 1px dashed var(--border-color);
      border-bottom: 1px dashed var(--border-color);
      padding: 18px 0;
    }

    .sol-spec-item {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      padding: 6px 0;
    }

    .sol-spec-label {
      color: var(--text-muted);
    }

    .sol-spec-val {
      font-weight: 600;
      color: var(--text-title);
    }

    .btn-sol-action {
      display: block;
      text-align: center;
      padding: 12px;
      border-radius: var(--radius-md);
      font-size: 14px;
      font-weight: 600;
      background: var(--surface-subtle);
      color: var(--text-title);
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .btn-sol-action:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .featured .btn-sol-action {
      background: var(--primary-accent);
      color: #FFFFFF;
      border-color: var(--primary-accent);
    }

    .featured .btn-sol-action:hover {
      background: var(--primary-hover);
    }

    /* 6. Deep Dark Section: Workflow Lifecycle */
    .workflow-section {
      background: #0B0F19;
      color: #FFFFFF;
      border-top: 1px solid #1E293B;
      border-bottom: 1px solid #1E293B;
    }

    .workflow-section .section-title {
      color: #F8FAFC;
    }

    .workflow-section .section-desc {
      color: #94A3B8;
    }

    .lifecycle-steps {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
      position: relative;
      margin-top: 30px;
    }

    .step-card {
      background: #111827;
      border: 1px solid #1E293B;
      border-radius: var(--radius-md);
      padding: 20px 16px;
      position: relative;
    }

    .step-card::after {
      content: "→";
      position: absolute;
      right: -14px;
      top: 50%;
      transform: translateY(-50%);
      color: #38BDF8;
      font-size: 18px;
      font-weight: bold;
      z-index: 2;
    }

    .step-card:last-child::after {
      display: none;
    }

    .step-num {
      display: inline-block;
      font-size: 11px;
      font-weight: 800;
      color: #38BDF8;
      background: rgba(56, 189, 248, 0.1);
      padding: 2px 6px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .step-name {
      font-size: 15px;
      font-weight: 700;
      color: #F1F5F9;
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 12px;
      color: #94A3B8;
      line-height: 1.5;
    }

    /* 7. Metric Data Bar */
    .metric-section {
      padding: 48px 0;
      background: linear-gradient(90deg, #0F172A 0%, #1E293B 100%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
    }

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

    .metric-box {
      border-right: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0 16px;
    }

    .metric-box:last-child {
      border-right: none;
    }

    .metric-num-highlight {
      font-size: 40px;
      font-weight: 900;
      color: #38BDF8;
      letter-spacing: -0.03em;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .metric-label-highlight {
      font-size: 14px;
      color: #CBD5E1;
      font-weight: 500;
      margin-bottom: 4px;
    }

    .metric-sub-note {
      font-size: 12px;
      color: #64748B;
    }

    /* 8. Scenarios Section */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .scenario-card {
      overflow: hidden;
      padding: 0;
      display: flex;
      flex-direction: column;
    }

    .scenario-img-wrap {
      height: 180px;
      overflow: hidden;
      position: relative;
    }

    .scenario-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

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

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

    .scenario-role-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--primary-accent);
      margin-bottom: 8px;
      display: block;
    }

    .scenario-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }

    .scenario-desc {
      font-size: 13px;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .scenario-kpi {
      margin-top: auto;
      background: var(--surface-subtle);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      color: var(--text-muted);
      border-left: 3px solid var(--success-sla);
    }

    /* 9. Case Studies & Testimonials */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-badge-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }

    .case-industry {
      font-size: 12px;
      font-weight: 700;
      color: #059669;
      background: #D1FAE5;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .case-stars {
      color: #F59E0B;
      font-size: 14px;
    }

    .case-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .case-author-box {
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .case-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
      font-size: 14px;
    }

    .case-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-title);
    }

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

    /* 10. Knowledge Base Summary */
    .knowledge-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
    }

    .kb-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .kb-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      transition: all 0.2s ease;
    }

    .kb-card:hover {
      border-color: var(--primary-accent);
      box-shadow: var(--shadow-md);
    }

    .kb-tag-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
    }

    .kb-tag {
      font-size: 11px;
      color: var(--primary-accent);
      background: #EFF6FF;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .kb-readtime {
      font-size: 11px;
      color: var(--text-muted);
    }

    .kb-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .kb-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .kb-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. FAQ Accordion */
    .faq-section {
      background: var(--surface-bg);
    }

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

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item:focus-within,
    .faq-item:hover {
      border-color: #CBD5E1;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }

    .faq-answer {
      padding: 0 22px 20px 22px;
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
    }

    /* 12. Final Action CTA */
    .final-cta-section {
      padding: 70px 0;
      background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
      color: #FFFFFF;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-inner {
      max-width: 760px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .cta-title {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .cta-desc {
      font-size: 16px;
      color: #CBD5E1;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .cta-form-row {
      display: flex;
      justify-content: center;
      gap: 12px;
      max-width: 520px;
      margin: 0 auto 20px auto;
    }

    .cta-input {
      flex-grow: 1;
      padding: 14px 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      font-size: 14px;
      outline: none;
      backdrop-filter: blur(4px);
    }

    .cta-input::placeholder {
      color: #94A3B8;
    }

    .cta-input:focus {
      border-color: #38BDF8;
      background: rgba(255, 255, 255, 0.15);
    }

    .btn-cta-submit {
      padding: 14px 28px;
      background: #2563EB;
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-md);
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s ease;
      white-space: nowrap;
    }

    .btn-cta-submit:hover {
      background: #1D4ED8;
    }

    .cta-trust-items {
      display: flex;
      justify-content: center;
      gap: 24px;
      font-size: 13px;
      color: #94A3B8;
    }

    .cta-trust-items span {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* Footer */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      font-size: 13px;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1E293B;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .footer-brand p {
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 16px;
      max-width: 320px;
    }

    .footer-col h4 {
      color: #F1F5F9;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a:hover {
      color: #38BDF8;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    /* Mobile Responsive Breakpoints */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .pain-grid,
      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-grid,
      .solutions-grid,
      .cases-grid,
      .kb-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .lifecycle-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .step-card:nth-child(3)::after {
        display: none;
      }
      .overview-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-status-bar {
        display: none;
      }
      .nav-menu,
      .nav-actions {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
        color: var(--text-title);
      }
      .hero-h1 {
        font-size: 32px;
      }
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .pain-grid,
      .features-grid,
      .solutions-grid,
      .scenarios-grid,
      .cases-grid,
      .kb-grid {
        grid-template-columns: 1fr;
      }
      .lifecycle-steps {
        grid-template-columns: 1fr;
      }
      .step-card::after {
        display: none;
      }
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .metric-box {
        border-right: none;
      }
      .cta-form-row {
        flex-direction: column;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }