/* roulang page: index */
:root {
      --primary: #00D084;
      --primary-hover: #00b371;
      --accent: #FF5C00;
      --accent-hover: #e05200;
      --bg-dark: #0D1117;
      --card-dark: #161B22;
      --border-dark: rgba(255, 255, 255, 0.08);
      --bg-light: #F8FAFC;
      --card-light: #FFFFFF;
      --border-light: #E2E8F0;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --text-dim: #94A3B8;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
      --shadow-glow: 0 0 25px rgba(0, 208, 132, 0.25);
      --container-width: 1200px;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, textarea, select {
      font-family: inherit;
      font-size: 1rem;
    }
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* Section Shared Styles */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .badge-primary {
      background: rgba(0, 208, 132, 0.12);
      color: #009e63;
      border: 1px solid rgba(0, 208, 132, 0.25);
    }
    .badge-dark {
      background: rgba(0, 208, 132, 0.15);
      color: var(--primary);
      border: 1px solid rgba(0, 208, 132, 0.3);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: inherit;
    }
    .section-desc {
      font-size: 1.05rem;
      line-height: 1.7;
      color: var(--text-muted);
    }
    .bg-dark-section {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }
    .bg-dark-section .section-desc {
      color: var(--text-dim);
    }

    /* Top Utility Bar */
    .top-bar {
      background-color: #080b0f;
      color: #94A3B8;
      font-size: 0.85rem;
      border-bottom: 1px solid var(--border-dark);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-info span {
      margin-right: 20px;
    }
    .top-info span strong {
      color: var(--primary);
    }
    .top-links a {
      color: #cbd5e1;
      margin-left: 16px;
    }
    .top-links a:hover {
      color: var(--primary);
    }

    /* Main Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), #0284c7);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      box-shadow: 0 4px 10px rgba(0, 208, 132, 0.3);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
      gap: 28px;
    }
    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: #334155;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--primary);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      padding: 10px 22px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #052e16;
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 14px rgba(0, 208, 132, 0.4);
      transform: translateY(-2px);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #fff;
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 4px 16px rgba(255, 92, 0, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border-color: #cbd5e1;
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-dark-outline {
      background: rgba(255, 255, 255, 0.05);
      border-color: rgba(255, 255, 255, 0.2);
      color: #fff;
    }
    .btn-dark-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 208, 132, 0.08);
      transform: translateY(-2px);
    }

    /* Section 1: Hero (API / Developer Stage layout) */
    .hero-section {
      background: #090D12 url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
      color: #fff;
      padding: 90px 0 100px;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
      overflow: hidden;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 75% 20%, rgba(0, 208, 132, 0.12), transparent 50%), linear-gradient(180deg, rgba(9, 13, 18, 0.85) 0%, #090D12 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-title {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title span {
      color: var(--primary);
    }
    .hero-lead {
      font-size: 1.1rem;
      line-height: 1.75;
      color: #cbd5e1;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-specs-strip {
      display: flex;
      gap: 28px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-spec-item h4 {
      font-size: 1.35rem;
      color: var(--primary);
      font-weight: 700;
    }
    .hero-spec-item p {
      font-size: 0.82rem;
      color: var(--text-dim);
    }
    /* Developer Code Box */
    .code-stage {
      background: #0f141c;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      box-shadow: 0 20px 40px rgba(0,0,0,0.5);
      overflow: hidden;
    }
    .code-stage-header {
      background: #171d26;
      padding: 12px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .code-dots {
      display: flex;
      gap: 6px;
    }
    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }
    .code-title {
      font-family: monospace;
      font-size: 0.8rem;
      color: #94a3b8;
    }
    .code-body {
      padding: 20px;
      font-family: Consolas, Monaco, "Courier New", monospace;
      font-size: 0.86rem;
      color: #e2e8f0;
      line-height: 1.7;
    }
    .code-token-keyword { color: #f43f5e; }
    .code-token-func { color: #38bdf8; }
    .code-token-string { color: #34d399; }
    .code-token-comment { color: #64748b; font-style: italic; }

    /* Section 2: Pain Points */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .pain-card:hover {
      transform: translateY(-4px);
      border-color: #cbd5e1;
      box-shadow: var(--shadow-md);
    }
    .pain-card .pain-num {
      font-size: 2rem;
      font-weight: 800;
      color: #f1f5f9;
      line-height: 1;
      margin-bottom: 16px;
    }
    .pain-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }
    .pain-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .pain-card .solution-tag {
      margin-top: 18px;
      display: inline-block;
      font-size: 0.8rem;
      color: #059669;
      background: #ecfdf5;
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* Section 3: Architecture & Capacity */
    .arch-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-thumb {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-light);
    }
    .arch-points {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .arch-item {
      display: flex;
      gap: 14px;
    }
    .arch-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #dcfce7;
      color: #15803d;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .arch-item h4 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .arch-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* Section 4: Core Advantages (6 cards grid) */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: var(--card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: all 0.25s ease;
      position: relative;
    }
    .adv-card:hover {
      border-color: rgba(0, 208, 132, 0.4);
      transform: translateY(-3px);
      box-shadow: var(--shadow-glow);
    }
    .adv-card-icon {
      width: 48px;
      height: 48px;
      background: rgba(0, 208, 132, 0.1);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
    }
    .adv-card h3 {
      font-size: 1.2rem;
      color: #fff;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 0.92rem;
      color: var(--text-dim);
      line-height: 1.65;
    }

    /* Section 5: Product Matrix (3 cards) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      position: relative;
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: var(--primary);
    }
    .matrix-card.featured {
      border: 2px solid var(--primary);
    }
    .matrix-featured-tag {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--primary);
      color: #052e16;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
    }
    .matrix-header h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .matrix-header p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .matrix-specs {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .matrix-specs li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-light);
      font-size: 0.88rem;
      color: #475569;
      display: flex;
      justify-content: space-between;
    }
    .matrix-specs li span {
      font-weight: 600;
      color: var(--text-main);
    }

    /* Section 6: Technical Parameters Table */
    .param-table-wrap {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .param-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .param-table th {
      background: #f1f5f9;
      padding: 16px 20px;
      color: #1e293b;
      font-weight: 700;
      border-bottom: 1px solid var(--border-light);
    }
    .param-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      color: #334155;
    }
    .param-table tr:last-child td {
      border-bottom: none;
    }
    .param-badge-green {
      color: #059669;
      font-weight: 600;
    }

    /* Section 7: Dark Architecture Deep-dive */
    .deep-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .deep-card {
      background: var(--card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .deep-card h3 {
      font-size: 1.25rem;
      color: #fff;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .deep-card h3::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
    }
    .deep-card p {
      color: var(--text-dim);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    /* Section 8: Real-world Case Studies */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .case-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .case-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .case-img {
      height: 240px;
      overflow: hidden;
      background: #1e293b;
    }
    .case-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-img img {
      transform: scale(1.04);
    }
    .case-info {
      padding: 26px 24px;
    }
    .case-type {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .case-info h3 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .case-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .case-meta {
      display: flex;
      gap: 18px;
      font-size: 0.85rem;
      color: #64748b;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    /* Section 9: Workflow Steps */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-box {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
    }
    .step-number {
      width: 36px;
      height: 36px;
      background: #0f172a;
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 18px;
    }
    .step-box h3 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 10: Key Metrics Bar */
    .metrics-bar-section {
      background: #0b0f14;
      color: #fff;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 56px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item .metric-val {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: monospace;
    }
    .metric-item .metric-label {
      font-size: 0.95rem;
      color: var(--text-dim);
    }

    /* Section 11: User Reviews & Trust */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 26px;
      box-shadow: var(--shadow-sm);
    }
    .review-quote {
      font-size: 0.94rem;
      line-height: 1.7;
      color: #334155;
      margin-bottom: 20px;
    }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      background: #e2e8f0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #475569;
    }
    .user-info h4 {
      font-size:0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Section 12: News & Insights */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .news-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 10px;
    }
    .news-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* Section 13: Technical FAQ (Details / Summary) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item[open] {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      list-style: none;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }
    .faq-item[open] .faq-summary::after {
      content: "−";
      color: var(--primary);
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    /* Section 14: Conversion Form Area */
    .cta-box {
      background: linear-gradient(135deg, #090d12 0%, #151d28 100%);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #fff;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    .cta-box::after {
      content: "";
      position: absolute;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(0, 208, 132, 0.2) 0%, transparent 70%);
      top: -80px;
      right: -80px;
      pointer-events: none;
    }
    .cta-text h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .cta-text p {
      font-size: 1rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
      color: #94a3b8;
    }
    .cta-perks li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 700;
      margin-right: 8px;
    }
    .cta-form {
      background: #1b232e;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      position: relative;
      z-index: 2;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: #cbd5e1;
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      background: #0f141c;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #fff;
      font-size: 0.9rem;
      transition: border-color 0.2s ease;
    }
    .form-input:focus, .form-select:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 208, 132, 0.15);
    }
    .form-input::placeholder {
      color: #64748b;
    }
    .form-btn {
      width: 100%;
      padding: 13px;
      margin-top: 8px;
      font-size: 1rem;
    }

    /* Footer */
    .site-footer {
      background-color: #06090d;
      color: #94a3b8;
      font-size: 0.9rem;
      border-top: 1px solid var(--border-dark);
      padding: 64px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      color: #fff;
      font-size: 1.25rem;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 18px;
      font-size: 0.88rem;
    }
    .footer-col h4 {
      color: #f1f5f9;
      font-size: 0.95rem;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
      color: #64748b;
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .pain-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .adv-grid, .matrix-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-wrap {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .cta-box {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }
      .top-info span {
        margin-right: 0;
      }
      .top-links {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-specs-strip {
        flex-wrap: wrap;
        gap: 16px;
      }
      .pain-grid, .adv-grid, .matrix-grid, .cases-grid, .reviews-grid, .news-grid, .flow-steps, .deep-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-box {
        padding: 32px 20px;
      }
      .section-title {
        font-size: 1.7rem;
      }
    }