/* roulang page: index */
:root {
      --bg-dark: #0B0F17;
      --bg-dark-card: #131926;
      --bg-dark-alt: #1A2234;
      --bg-light: #F8FAFC;
      --bg-light-card: #FFFFFF;
      --text-main: #0F172A;
      --text-light: #F8FAFC;
      --text-muted: #64748B;
      --text-muted-dark: #94A3B8;
      --brand-pulse: #00DC82;
      --brand-pulse-hover: #059669;
      --brand-orange: #FF5722;
      --border-dark: #2A364F;
      --border-light: #E2E8F0;
      --radius-sm: 4px;
      --radius-md: 8px;
      --shadow-sm: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
      --shadow-dark: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* Top Bar */
    .top-bar {
      background-color: #06090E;
      color: var(--text-muted-dark);
      font-size: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--brand-pulse);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--brand-pulse);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.9); }
      100% { opacity: 1; transform: scale(1); }
    }
    /* Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(11, 15, 23, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--brand-pulse), #0284c7);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #06090E;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 14px;
      color: var(--text-muted-dark);
      font-weight: 500;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--brand-pulse);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.2s ease;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--brand-pulse);
      color: #06090E;
    }
    .btn-primary:hover {
      background-color: var(--brand-pulse-hover);
      box-shadow: 0 4px 14px rgba(0, 220, 130, 0.35);
    }
    .btn-secondary {
      background-color: transparent;
      color: var(--text-light);
      border-color: var(--border-dark);
    }
    .btn-secondary:hover {
      background-color: rgba(255, 255, 255, 0.05);
      border-color: var(--text-muted);
    }
    .btn-catalog {
      background-color: rgba(0, 220, 130, 0.1);
      color: var(--brand-pulse);
      border: 1px solid rgba(0, 220, 130, 0.3);
    }
    .btn-catalog:hover {
      background-color: var(--brand-pulse);
      color: #06090E;
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 24px;
      cursor: pointer;
    }

    /* Section Base */
    section {
      padding: 84px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--brand-pulse);
      background-color: rgba(0, 220, 130, 0.12);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      border: 1px solid rgba(0, 220, 130, 0.2);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: inherit;
      line-height: 1.25;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 15px;
      max-width: 720px;
      line-height: 1.7;
    }

    /* 1. Hero: Stacked Cards Blueprint */
    .hero-section {
      background: linear-gradient(180deg, #0B0F17 0%, #111726 100%);
      color: var(--text-light);
      padding: 70px 0 90px;
      border-bottom: 1px solid var(--border-dark);
      overflow: hidden;
      position: relative;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: radial-gradient(circle at 75% 20%, rgba(0, 220, 130, 0.08) 0%, transparent 60%),
                        radial-gradient(circle at 15% 80%, rgba(2, 132, 199, 0.08) 0%, transparent 50%);
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-content h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 20px;
      color: #FFFFFF;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      color: var(--brand-pulse);
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted-dark);
      margin-bottom: 32px;
      line-height: 1.75;
    }
    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-metrics-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-metric-val {
      font-size: 26px;
      font-weight: 800;
      color: #FFFFFF;
      font-family: "SF Mono", Menlo, monospace;
      line-height: 1;
    }
    .hero-metric-val span {
      font-size: 14px;
      color: var(--brand-pulse);
      font-weight: 500;
    }
    .hero-metric-label {
      font-size: 12px;
      color: var(--text-muted-dark);
      margin-top: 6px;
    }

    /* Stacked Cards Blueprint in Hero */
    .hero-stack-wrap {
      position: relative;
      min-height: 440px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .card-stack {
      position: relative;
      width: 100%;
      max-width: 460px;
    }
    .stack-card-main {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-dark);
      position: relative;
      z-index: 3;
      backdrop-filter: blur(10px);
    }
    .stack-card-side-1 {
      position: absolute;
      top: -24px;
      right: -24px;
      width: 82%;
      background: rgba(26, 34, 52, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 18px;
      z-index: 1;
      transform: rotate(3deg);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    }
    .stack-card-side-2 {
      position: absolute;
      bottom: -28px;
      left: -20px;
      width: 88%;
      background: rgba(19, 25, 38, 0.95);
      border: 1px solid rgba(0, 220, 130, 0.3);
      border-radius: var(--radius-md);
      padding: 18px;
      z-index: 4;
      transform: rotate(-2deg);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
    }
    .stack-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 10px;
    }
    .stack-title {
      font-size: 14px;
      font-weight: 700;
      color: #FFFFFF;
    }
    .stack-tag {
      font-size: 11px;
      padding: 2px 8px;
      background: rgba(0, 220, 130, 0.15);
      color: var(--brand-pulse);
      border-radius: 2px;
      font-family: monospace;
    }

    /* 2. 安全主张 (Security Proposition) */
    .section-security {
      background-color: #06090E;
      color: var(--text-light);
      border-bottom: 1px solid var(--border-dark);
    }
    .security-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .security-card {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.2s ease;
      position: relative;
    }
    .security-card:hover {
      transform: translateY(-3px);
      border-color: var(--brand-pulse);
    }
    .security-icon {
      width: 44px;
      height: 44px;
      background: rgba(0, 220, 130, 0.1);
      border: 1px solid rgba(0, 220, 130, 0.2);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-pulse);
      font-size: 20px;
      margin-bottom: 18px;
      font-weight: 800;
    }
    .security-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #FFFFFF;
    }
    .security-card p {
      font-size: 14px;
      color: var(--text-muted-dark);
      line-height: 1.65;
    }

    /* 3. 检查项 (Pre-Deployment Checklist) */
    .section-checklist {
      background-color: var(--bg-light);
      color: var(--text-main);
      border-bottom: 1px solid var(--border-light);
    }
    .checklist-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .check-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }
    .check-icon-badge {
      min-width: 28px;
      height: 28px;
      background: #ECFDF5;
      border: 1px solid #A7F3D0;
      color: #059669;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 13px;
      font-weight: bold;
      margin-top: 2px;
    }
    .check-content h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: #0F172A;
    }
    .check-content p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 合规徽章 (Compliance Badges) */
    .section-compliance {
      background-color: #0B0F17;
      color: var(--text-light);
      border-bottom: 1px solid var(--border-dark);
      padding: 60px 0;
    }
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .compliance-card {
      border: 1px solid var(--border-dark);
      background: rgba(19, 25, 38, 0.7);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .compliance-card .code {
      font-family: monospace;
      font-size: 12px;
      color: var(--brand-pulse);
      margin-bottom: 8px;
      display: block;
    }
    .compliance-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #FFFFFF;
    }
    .compliance-card p {
      font-size: 12.5px;
      color: var(--text-muted-dark);
    }

    /* 5. 边界说明 (Boundary & Threshold Specs) */
    .section-boundary {
      background-color: #FFFFFF;
      border-bottom: 1px solid var(--border-light);
    }
    .boundary-table-card {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .boundary-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .boundary-table th {
      background-color: #F1F5F9;
      color: #1E293B;
      padding: 16px 20px;
      font-weight: 700;
      border-bottom: 1px solid var(--border-light);
    }
    .boundary-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      color: #334155;
    }
    .boundary-table tr:last-child td {
      border-bottom: none;
    }
    .boundary-table tr:hover td {
      background-color: #F8FAFC;
    }
    .status-pill {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }
    .status-pill.pass { background: #ECFDF5; color: #059669; }
    .status-pill.warn { background: #FFFBEB; color: #D97706; }

    /* 6. 痛点与传统测炼对比 (Pain Points) */
    .section-painpoints {
      background-color: #0F172A;
      color: var(--text-light);
      border-bottom: 1px solid var(--border-dark);
    }
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #1E293B;
      border-radius: var(--radius-md);
      padding: 28px;
      border-top: 3px solid var(--brand-orange);
    }
    .pain-tag {
      color: var(--brand-orange);
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 8px;
      text-transform: uppercase;
    }
    .pain-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .pain-card p {
      font-size: 13.5px;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 7. 四层技术图解 (Solution Architecture) */
    .section-architecture {
      background-color: var(--bg-light);
      border-bottom: 1px solid var(--border-light);
    }
    .arch-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-stack {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .arch-layer {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-left: 4px solid var(--brand-pulse);
      border-radius: var(--radius-sm);
      padding: 18px 22px;
      box-shadow: var(--shadow-sm);
    }
    .arch-layer h4 {
      font-size: 15px;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 4px;
      display: flex;
      justify-content: space-between;
    }
    .arch-layer h4 span {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .arch-layer p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .arch-img-card {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-light);
    }
    .arch-img-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 8. 核心硬件与采集终端展示 (Hardware Products) */
    .section-hardware {
      background-color: #FFFFFF;
      border-bottom: 1px solid var(--border-light);
    }
    .hw-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hw-card {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #FFFFFF;
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
    }
    .hw-card:hover {
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
      transform: translateY(-3px);
    }
    .hw-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
      background: #F1F5F9;
    }
    .hw-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .hw-card:hover .hw-thumb img {
      transform: scale(1.04);
    }
    .hw-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .hw-meta {
      display: flex;
      gap: 8px;
      margin-bottom: 10px;
    }
    .hw-badge {
      font-size: 11px;
      font-weight: 600;
      padding: 2px 6px;
      background: #F1F5F9;
      color: #475569;
      border-radius: 2px;
    }
    .hw-badge.green {
      background: #ECFDF5;
      color: #059669;
    }
    .hw-body h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0F172A;
    }
    .hw-body p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .hw-specs {
      border-top: 1px dashed var(--border-light);
      padding-top: 12px;
      font-size: 12px;
      color: #64748B;
      display: flex;
      justify-content: space-between;
    }

    /* 9. 部署流程 (Implementation Steps) */
    .section-steps {
      background-color: #0B0F17;
      color: var(--text-light);
      border-bottom: 1px solid var(--border-dark);
    }
    .steps-chain {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
    }
    .step-num {
      font-family: monospace;
      font-size: 32px;
      font-weight: 800;
      color: var(--brand-pulse);
      opacity: 0.8;
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }
    .step-box p {
      font-size: 13px;
      color: var(--text-muted-dark);
      line-height: 1.6;
    }

    /* 10. 成果数据统计条 (Metrics Bar) */
    .section-metrics {
      background: linear-gradient(90deg, #06090E 0%, #0F172A 100%);
      color: var(--text-light);
      padding: 50px 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .metric-item {
      padding: 10px;
    }
    .metric-number {
      font-family: "SF Mono", Menlo, monospace;
      font-size: 44px;
      font-weight: 800;
      color: var(--brand-pulse);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-title {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }
    .metric-desc {
      font-size: 12px;
      color: var(--text-muted-dark);
    }

    /* 11. 资讯动态 (News & Insights) */
    .section-news {
      background-color: var(--bg-light);
      border-bottom: 1px solid var(--border-light);
    }
    .news-grid {
      display: grid;
      grid-template-columns: 1.2fr 1.8fr;
      gap: 32px;
    }
    .news-feature {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .news-feature img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .news-feature-body {
      padding: 24px;
    }
    .news-feature-date {
      font-size: 12px;
      color: var(--brand-pulse-hover);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .news-feature-body h3 {
      font-size: 19px;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-feature-body p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .news-item-date {
      font-size: 12px;
      color: #64748B;
      margin-bottom: 6px;
    }
    .news-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .news-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 12. 信任背书与行业评价 (Trust & Testimonials) */
    .section-trust {
      background-color: #FFFFFF;
      border-bottom: 1px solid var(--border-light);
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .trust-card {
      background: #F8FAFC;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .trust-quote {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .trust-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .trust-avatar {
      width: 44px;
      height: 44px;
      background: #CBD5E1;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #1E293B;
      font-size: 16px;
    }
    .trust-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: #0F172A;
    }
    .trust-meta p {
      font-size: 12px;
      color: #64748B;
    }

    /* 13. FAQ 常见问答 (FAQ Accordion) */
    .section-faq {
      background-color: var(--bg-light);
      border-bottom: 1px solid var(--border-light);
    }
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: #0F172A;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 20px;
      font-weight: 400;
      color: #94A3B8;
      transition: transform 0.2s ease;
    }
    .faq-item[open] summary::after {
      content: "-";
      color: var(--brand-pulse-hover);
    }
    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    /* 14. 接入预约表单收口 (CTA Conversion) */
    .section-cta {
      background: linear-gradient(135deg, #0B0F17 0%, #151D2A 100%);
      color: var(--text-light);
      padding: 70px 0;
    }
    .cta-card {
      background: rgba(19, 25, 38, 0.85);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-dark);
    }
    .cta-info h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #FFFFFF;
      letter-spacing: -0.5px;
    }
    .cta-info p {
      font-size: 14.5px;
      color: var(--text-muted-dark);
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .cta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .cta-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13.5px;
      color: #CBD5E1;
    }
    .cta-list li::before {
      content: "✓";
      color: var(--brand-pulse);
      font-weight: 700;
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 12px;
      color: var(--text-muted-dark);
      font-weight: 500;
    }
    .form-input, .form-select {
      background: #0B0F17;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 11px 14px;
      color: #FFFFFF;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--brand-pulse);
    }
    .form-privacy {
      font-size: 11px;
      color: #64748B;
      line-height: 1.5;
    }

    /* Footer */
    .site-footer {
      background-color: #06090E;
      color: var(--text-muted-dark);
      border-top: 1px solid var(--border-dark);
      padding: 60px 0 30px;
      font-size: 13px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--brand-pulse);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 12px;
      color: #64748B;
    }
    .footer-meta-row {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-legal-links {
      display: flex;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; gap: 48px; }
      .hero-stack-wrap { min-height: 380px; }
      .security-grid, .hw-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
      .compliance-grid, .steps-chain, .metrics-row { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .cta-card { grid-template-columns: 1fr; gap: 32px; padding: 30px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .mobile-toggle { display: block; }
      .security-grid, .checklist-grid, .hw-grid, .trust-grid, .compliance-grid, .steps-chain, .metrics-row {
        grid-template-columns: 1fr;
      }
      .arch-layout { grid-template-columns: 1fr; }
      .hero-content h1 { font-size: 32px; }
      .section-title { font-size: 26px; }
      .hero-metrics-strip { grid-template-columns: repeat(2, 1fr); }
      .stack-card-side-1, .stack-card-side-2 { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0B0F17;
      --bg-dark-card: #131926;
      --bg-dark-alt: #1A2234;
      --bg-light: #F8FAFC;
      --bg-light-card: #FFFFFF;
      --text-main: #0F172A;
      --text-light: #F8FAFC;
      --text-muted: #64748B;
      --text-muted-dark: #94A3B8;
      --brand-pulse: #00DC82;
      --brand-pulse-hover: #059669;
      --brand-orange: #FF5722;
      --border-dark: #2A364F;
      --border-light: #E2E8F0;
      --radius-sm: 4px;
      --radius-md: 8px;
      --shadow-sm: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
      --shadow-dark: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Bar */
    .top-bar {
      background-color: #06090F;
      color: #94A3B8;
      font-size: 12px;
      border-bottom: 1px solid #1E293B;
      padding: 6px 0;
    }

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

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

    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--brand-pulse);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--brand-pulse);
      display: inline-block;
    }

    /* Site Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(11, 15, 23, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }

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

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 19px;
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.5px;
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--brand-pulse), #0284c7);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #06090E;
      font-weight: 900;
      font-size: 16px;
    }

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

    .nav-links a {
      font-size: 14px;
      color: var(--text-muted-dark);
      font-weight: 500;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--brand-pulse);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      padding: 9px 18px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.2s ease;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background-color: var(--brand-pulse);
      color: #06090E;
    }

    .btn-primary:hover {
      background-color: var(--brand-pulse-hover);
      box-shadow: 0 4px 14px rgba(0, 220, 130, 0.35);
    }

    .btn-catalog {
      background-color: rgba(0, 220, 130, 0.12);
      color: var(--brand-pulse);
      border: 1px solid rgba(0, 220, 130, 0.35);
    }

    .btn-catalog:hover {
      background-color: var(--brand-pulse);
      color: #06090E;
    }

    /* Section Base */
    section {
      padding: 72px 0;
      position: relative;
    }

    .section-head {
      margin-bottom: 36px;
    }

    .section-tag {
      display: inline-block;
      font-size: 11px;
      text-transform: uppercase;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--brand-pulse);
      background-color: rgba(0, 220, 130, 0.1);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      margin-bottom: 10px;
      border: 1px solid rgba(0, 220, 130, 0.25);
    }

    .section-title {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: inherit;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .section-desc {
      font-size: 14px;
      color: var(--text-muted);
      max-width: 760px;
      line-height: 1.7;
    }

    /* 1. Category Console Header & Roadmap Bar */
    .catalog-console-header {
      background-color: #0B0F17;
      color: var(--text-light);
      padding: 44px 0 36px;
      border-bottom: 1px solid var(--border-dark);
    }

    .console-header-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 30px;
      margin-bottom: 32px;
    }

    .console-header-main h1 {
      font-size: 32px;
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 12px;
    }

    .console-header-main h1 span {
      color: var(--brand-pulse);
    }

    .console-header-desc {
      font-size: 15px;
      color: var(--text-muted-dark);
      max-width: 760px;
      line-height: 1.7;
    }

    .console-subscribe-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      min-width: 320px;
    }

    .console-subscribe-box .box-title {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .console-subscribe-box .box-title span {
      color: var(--brand-pulse);
      font-size: 11px;
      font-family: monospace;
    }

    .subscribe-input-group {
      display: flex;
      gap: 8px;
    }

    .subscribe-input-group input {
      flex: 1;
      background: #0B0F17;
      border: 1px solid var(--border-dark);
      color: #FFFFFF;
      padding: 8px 12px;
      font-size: 12px;
      border-radius: var(--radius-sm);
      outline: none;
    }

    .subscribe-input-group input:focus {
      border-color: var(--brand-pulse);
    }

    /* Roadmap Timeline Strip */
    .roadmap-strip-wrapper {
      background: #111726;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 18px 24px;
    }

    .roadmap-strip-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      font-size: 12px;
      color: var(--text-muted-dark);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .roadmap-strip-header strong {
      color: var(--brand-pulse);
    }

    .roadmap-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }

    .roadmap-grid::before {
      content: "";
      position: absolute;
      top: 14px;
      left: 10px;
      right: 10px;
      height: 2px;
      background: #232D42;
      z-index: 1;
    }

    .roadmap-node {
      position: relative;
      z-index: 2;
    }

    .node-dot-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }

    .node-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #1E293B;
      border: 2px solid #64748B;
    }

    .roadmap-node.active .node-dot {
      background: var(--brand-pulse);
      border-color: #06090E;
      box-shadow: 0 0 10px var(--brand-pulse);
    }

    .roadmap-node.next .node-dot {
      background: var(--brand-orange);
      border-color: #06090E;
    }

    .node-version {
      font-size: 11px;
      font-weight: 700;
      color: var(--text-light);
      font-family: monospace;
    }

    .node-title {
      font-size: 13px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 3px;
    }

    .node-meta {
      font-size: 11px;
      color: var(--text-muted-dark);
      line-height: 1.4;
    }

    /* 2. Interactive Filter Toolbar */
    .filter-toolbar-section {
      background-color: #FFFFFF;
      padding: 24px 0;
      border-bottom: 1px solid var(--border-light);
    }

    .breadcrumb-row {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .breadcrumb-row a:hover {
      color: var(--brand-pulse-hover);
    }

    .filter-groups-wrap {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: #F8FAFC;
      border: 1px solid var(--border-light);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
    }

    .filter-line {
      display: flex;
      align-items: center;
      font-size: 13px;
      gap: 16px;
    }

    .filter-label {
      width: 80px;
      font-weight: 700;
      color: #475569;
      flex-shrink: 0;
    }

    .filter-items {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      flex: 1;
    }

    .filter-tag {
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      color: #334155;
      font-size: 12px;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .filter-tag.active {
      background: #0B0F17;
      color: #FFFFFF;
      border-color: #0B0F17;
      font-weight: 600;
    }

    .filter-tag:hover:not(.active) {
      border-color: #94A3B8;
      background: #F1F5F9;
    }

    .filter-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 10px;
      border-top: 1px dashed var(--border-light);
      font-size: 12px;
      color: var(--text-muted);
    }

    .btn-reset-filter {
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      font-size: 12px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .btn-reset-filter:hover {
      color: var(--brand-orange);
    }

    /* 3. Main Hardware & Solution Grid */
    .listing-grid-section {
      background-color: #F8FAFC;
      padding: 60px 0;
    }

    .listing-stats-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .listing-stats-bar strong {
      color: var(--text-main);
      font-size: 15px;
    }

    .hardware-cards-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .hardware-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .hardware-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 220, 130, 0.4);
      box-shadow: 0 12px 28px -6px rgba(11, 15, 23, 0.08);
    }

    .card-thumb-wrap {
      position: relative;
      width: 100%;
      height: 160px;
      background: #0B0F17;
      overflow: hidden;
    }

    .card-thumb-wrap img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      opacity: 0.9;
      transition: transform 0.3s ease;
    }

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

    .card-tag-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(11, 15, 23, 0.85);
      backdrop-filter: blur(4px);
      color: var(--brand-pulse);
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 220, 130, 0.3);
    }

    .card-status-indicator {
      position: absolute;
      top: 12px;
      right: 10px;
      font-size: 10px;
      font-weight: 600;
      color: #FFFFFF;
      background: rgba(0, 0, 0, 0.7);
      padding: 2px 6px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .indicator-light {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--brand-pulse);
    }

    .card-body {
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .card-model-code {
      font-size: 11px;
      font-family: monospace;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.35;
    }

    .card-desc {
      font-size: 12px;
      color: #64748B;
      line-height: 1.6;
      margin-bottom: 14px;
      flex: 1;
    }

    .card-specs-list {
      list-style: none;
      background: #F8FAFC;
      border: 1px solid #EDF2F7;
      border-radius: var(--radius-sm);
      padding: 8px 10px;
      margin-bottom: 14px;
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .card-specs-list li {
      font-size: 11px;
      color: #475569;
      display: flex;
      justify-content: space-between;
    }

    .card-specs-list li span:first-child {
      color: #94A3B8;
    }

    .card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 10px;
      border-top: 1px solid var(--border-light);
    }

    .card-price-mode {
      font-size: 11px;
      color: #64748B;
    }

    .card-btn {
      font-size: 12px;
      padding: 6px 12px;
      background: #0B0F17;
      color: #FFFFFF;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }

    .card-btn:hover {
      background: var(--brand-pulse);
      color: #06090E;
    }

    /* Pagination */
    .pagination-bar {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
    }

    .page-btn {
      min-width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-light);
      background: #FFFFFF;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .page-btn.active {
      background: #0B0F17;
      color: #FFFFFF;
      border-color: #0B0F17;
    }

    .page-btn:hover:not(.active) {
      border-color: var(--brand-pulse);
      color: var(--brand-pulse-hover);
    }

    /* 4. Protocols & API Section (Code & Table) */
    .protocol-spec-section {
      background-color: #0B0F17;
      color: var(--text-light);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 80px 0;
    }

    .spec-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .spec-table-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }

    .spec-table-box table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
      text-align: left;
    }

    .spec-table-box th {
      background: #182236;
      padding: 12px 16px;
      font-weight: 700;
      color: #E2E8F0;
      border-bottom: 1px solid var(--border-dark);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .spec-table-box td {
      padding: 12px 16px;
      border-bottom: 1px solid #1A2538;
      color: var(--text-muted-dark);
    }

    .spec-table-box tr:last-child td {
      border-bottom: none;
    }

    .spec-table-box tr:hover td {
      background: rgba(255, 255, 255, 0.02);
      color: #FFFFFF;
    }

    .spec-protocol-tag {
      display: inline-block;
      font-family: monospace;
      font-size: 11px;
      font-weight: 700;
      color: var(--brand-pulse);
      background: rgba(0, 220, 130, 0.1);
      padding: 2px 6px;
      border-radius: 2px;
      border: 1px solid rgba(0, 220, 130, 0.25);
    }

    .code-console-box {
      background: #06090F;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }

    .code-console-header {
      background: #111726;
      padding: 10px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-dark);
      font-size: 12px;
      color: var(--text-muted-dark);
      font-family: monospace;
    }

    .code-dots {
      display: flex;
      gap: 6px;
    }

    .code-dot-item {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #334155;
    }

    .code-content {
      padding: 20px;
      font-family: Consolas, Monaco, "Courier New", monospace;
      font-size: 12px;
      line-height: 1.65;
      color: #93A4B8;
      overflow-x: auto;
    }

    .code-key { color: #38BDF8; }
    .code-val { color: #34D399; }
    .code-str { color: #FCD34D; }
    .code-num { color: #F472B6; }

    /* 5. Matrix Four Quadrants */
    .matrix-section {
      background-color: #FFFFFF;
      padding: 80px 0;
    }

    .quadrant-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .quadrant-card {
      background: #F8FAFC;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 24px;
      position: relative;
      transition: all 0.2s ease;
    }

    .quadrant-card:hover {
      border-color: var(--brand-pulse);
      background: #FFFFFF;
      box-shadow: 0 8px 24px -4px rgba(11, 15, 23, 0.06);
    }

    .quadrant-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .quadrant-code {
      font-size: 11px;
      font-weight: 800;
      color: var(--brand-pulse-hover);
      background: rgba(0, 220, 130, 0.1);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-family: monospace;
    }

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

    .quadrant-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .quadrant-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      padding: 12px;
      border-radius: var(--radius-sm);
    }

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

    .quad-metric-label {
      font-size: 11px;
      color: #94A3B8;
      margin-bottom: 2px;
    }

    .quad-metric-val {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      font-family: monospace;
    }

    /* 6. Certification & Compliance Badges */
    .compliance-section {
      background-color: #F8FAFC;
      border-top: 1px solid var(--border-light);
      padding: 70px 0;
    }

    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .compliance-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 20px;
      text-align: left;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .compliance-top {
      margin-bottom: 14px;
    }

    .compliance-icon {
      font-size: 24px;
      color: var(--brand-pulse-hover);
      margin-bottom: 10px;
      font-weight: 800;
    }

    .compliance-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .compliance-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .compliance-meta {
      font-size: 11px;
      font-family: monospace;
      color: #94A3B8;
      padding-top: 10px;
      border-top: 1px dashed var(--border-light);
    }

    /* 7. Catalog Advisor CTA Banner */
    .catalog-cta-banner {
      background: linear-gradient(135deg, #0B0F17 0%, #151D2C 100%);
      color: #FFFFFF;
      border-top: 1px solid var(--border-dark);
      padding: 56px 0;
    }

    .cta-banner-box {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 32px;
    }

    .cta-banner-text h2 {
      font-size: 24px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 8px;
      letter-spacing: -0.5px;
    }

    .cta-banner-text p {
      font-size: 14px;
      color: var(--text-muted-dark);
      max-width: 620px;
      line-height: 1.6;
    }

    .cta-banner-btns {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-shrink: 0;
    }

    /* Footer (Reused Exact Match) */
    .site-footer {
      background-color: #070A10;
      color: var(--text-muted-dark);
      padding: 64px 0 24px;
      border-top: 1px solid #161F2E;
      font-size: 13px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-brand h3 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #8A99AD;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      letter-spacing: -0.3px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #8A99AD;
      font-size: 13px;
    }

    .footer-links a:hover {
      color: var(--brand-pulse);
    }

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid #161F2E;
      font-size: 12px;
      color: #64748B;
    }

    .footer-meta-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-legal-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hardware-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .roadmap-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .roadmap-grid::before {
        display: none;
      }
      .spec-grid {
        grid-template-columns: 1fr;
      }
      .compliance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .console-header-top {
        flex-direction: column;
      }
      .console-subscribe-box {
        width: 100%;
      }
      .nav-links {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .cta-banner-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .quadrant-grid {
        grid-template-columns: 1fr;
      }
      .filter-line {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-meta-row {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .hardware-cards-grid {
        grid-template-columns: 1fr;
      }
      .compliance-grid {
        grid-template-columns: 1fr;
      }
    }