/* roulang page: index */
:root {
      --primary: #0f3b7a;
      --primary-dark: #0b1a30;
      --primary-hover: #1e40af;
      --secondary: #2563eb;
      --secondary-light: #eff6ff;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-main: #f4f7fb;
      --bg-white: #ffffff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: rgba(15, 59, 122, 0.08);
      --card-shadow: 0 12px 32px -4px rgba(15, 59, 122, 0.06), 0 4px 12px -2px rgba(15, 59, 122, 0.03);
      --card-hover-shadow: 0 20px 40px -6px rgba(15, 59, 122, 0.12), 0 8px 16px -3px rgba(15, 59, 122, 0.06);
      --radius-sm: 8px;
      --radius-md: 12px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.7;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--secondary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-hover);
    }

    /* Top Global Header */
    .site-header {
      background-color: var(--primary-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(10px);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.28rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--accent);
      font-size: 1.5rem;
    }
    .main-navigation {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }
    .main-navigation a {
      color: rgba(255, 255, 255, 0.82);
      font-size: 0.96rem;
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .main-navigation a:hover,
    .main-navigation a.is-active {
      color: #ffffff;
    }
    .main-navigation a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--secondary);
      transition: var(--transition);
    }
    .main-navigation a:hover::after,
    .main-navigation a.is-active::after {
      width: 100%;
    }
    .nav-actions .btn-cta-nav {
      background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
      color: #ffffff;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-actions .btn-cta-nav:hover {
      background: linear-gradient(135deg, #e08316 0%, #9a4405 100%);
      transform: translateY(-1px);
    }

    /* Section Foundations */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }
    .section-wrap.alt-bg {
      background-color: #eef3f9;
    }
    .section-head {
      margin-bottom: 50px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.84rem;
      font-weight: 700;
      color: var(--secondary);
      background: var(--secondary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      border: 1px solid rgba(37, 99, 235, 0.15);
    }
    .section-title {
      font-size: 2.1rem;
      color: var(--primary);
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-intro {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-intro {
      margin: 0;
    }

    /* Custom Cards */
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 34px 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
      border-color: rgba(37, 99, 235, 0.2);
    }
    .feature-icon {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.45rem;
      margin-bottom: 22px;
    }
    .icon-blue { background: #eff6ff; color: var(--secondary); }
    .icon-amber { background: #fef3c7; color: var(--accent); }
    .icon-indigo { background: #e0e7ff; color: #4338ca; }
    .icon-slate { background: #f1f5f9; color: #475569; }
    .icon-emerald { background: #d1fae5; color: #059669; }
    .icon-rose { background: #ffe4e6; color: #e11d48; }

    .card-title {
      font-size: 1.25rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .card-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
      flex-grow: 1;
    }

    /* Block 1: Hero Section */
    .hero-section {
      background: linear-gradient(180deg, #0b1a30 0%, #0f3b7a 100%);
      color: #ffffff;
      padding: 95px 0 105px;
      position: relative;
      overflow: hidden;
    }
    .hero-section::before {
      content: '';
      position: absolute;
      top: -20%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, rgba(0,0,0,0) 70%);
      pointer-events: none;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      color: #ffffff;
      margin-bottom: 22px;
    }
    .hero-lead {
      font-size: 1.15rem;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 32px;
    }
    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: rgba(255, 255, 255, 0.92);
      background: rgba(255, 255, 255, 0.08);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-badge-item i {
      color: #38bdf8;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      align-items: center;
    }
    .btn-gold-action {
      background: linear-gradient(135deg, var(--accent) 0%, #b45309 100%);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: var(--radius-sm);
      box-shadow: 0 8px 24px rgba(217, 119, 6, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .btn-gold-action:hover {
      background: linear-gradient(135deg, #e08316 0%, #92400e 100%);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .btn-ghost-action {
      background: rgba(255, 255, 255, 0.08);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.28);
      font-size: 1.02rem;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-ghost-action:hover {
      background: rgba(255, 255, 255, 0.16);
      color: #ffffff;
    }

    /* Hero Simulated Control Console */
    .player-console {
      background: #071322;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: var(--radius-md);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      padding: 24px;
      position: relative;
    }
    .console-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 20px;
    }
    .console-dots {
      display: flex;
      gap: 6px;
    }
    .console-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #334155;
    }
    .console-dots span:nth-child(1) { background: #ef4444; }
    .console-dots span:nth-child(2) { background: #f59e0b; }
    .console-dots span:nth-child(3) { background: #10b981; }
    .console-status {
      font-size: 0.82rem;
      color: #10b981;
      display: flex;
      align-items: center;
      gap: 6px;
      font-family: monospace;
    }
    .status-ping {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }
    .console-screen {
      background: #0b1a2e;
      border-radius: var(--radius-sm);
      padding: 30px 20px;
      text-align: center;
      margin-bottom: 20px;
      border: 1px dashed rgba(255, 255, 255, 0.1);
    }
    .console-stream-meta {
      font-size: 0.88rem;
      color: #94a3b8;
      margin-top: 12px;
    }
    .console-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .console-metric-item {
      background: rgba(255, 255, 255, 0.04);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--secondary);
    }
    .metric-name {
      font-size: 0.78rem;
      color: #94a3b8;
      display: block;
    }
    .metric-val {
      font-size: 1.15rem;
      color: #f8fafc;
      font-weight: 700;
      font-family: monospace;
    }

    /* Block 4: Pipeline Steps */
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
    }
    .step-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }
    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    /* Block 5: Performance Dashboard */
    .dashboard-wrap {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      border-radius: var(--radius-md);
      padding: 50px 40px;
      color: #ffffff;
      box-shadow: 0 20px 40px rgba(15, 59, 122, 0.2);
    }
    .stat-box {
      text-align: center;
      padding: 20px 10px;
      border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    .stat-box:last-child {
      border-right: none;
    }
    .stat-number {
      font-size: 2.85rem;
      font-weight: 800;
      color: #38bdf8;
      line-height: 1;
      margin-bottom: 10px;
      font-family: monospace;
    }
    .stat-label {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 6px;
      font-weight: 600;
    }
    .stat-desc {
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.6);
      margin: 0;
    }

    /* Block 6: Testimonial Cards */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--card-shadow);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
    }
    .testi-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #eff6ff;
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .testi-meta h4 {
      font-size: 1.02rem;
      font-weight: 700;
      margin: 0;
      color: var(--primary);
    }
    .testi-meta span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .testi-quote {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .testi-tag {
      font-size: 0.8rem;
      color: #059669;
      background: #ecfdf5;
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      font-weight: 600;
    }

    /* Block 7: Persona Cards */
    .persona-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      box-shadow: var(--card-shadow);
      height: 100%;
      border-top: 4px solid var(--secondary);
      transition: var(--transition);
    }
    .persona-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }
    .persona-badge {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      display: inline-block;
    }
    .persona-feature-list {
      list-style: none;
      margin: 20px 0 0;
      padding: 0;
    }
    .persona-feature-list li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .persona-feature-list li::before {
      content: '\f00c';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      left: 0;
      color: #10b981;
      font-size: 0.85rem;
    }

    /* Block 8: Tech Articles */
    .article-lead-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .article-img-mock {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      padding: 45px 30px;
      color: #ffffff;
      position: relative;
    }
    .article-tag {
      background: rgba(37, 99, 235, 0.9);
      color: #ffffff;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 12px;
    }
    .article-lead-body {
      padding: 30px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-item-row {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      margin-bottom: 16px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: block;
    }
    .article-item-row:hover {
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(37, 99, 235, 0.3);
      transform: translateX(4px);
    }
    .article-row-title {
      font-size: 1.05rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .article-row-meta {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* Block 9: Spec Table */
    .spec-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow-x: auto;
    }
    .spec-table {
      width: 100%;
      margin: 0;
      border-collapse: collapse;
      font-size: 0.95rem;
    }
    .spec-table th {
      background: #f8fafc;
      color: var(--primary);
      font-weight: 700;
      padding: 16px 20px;
      border-bottom: 1px solid #e2e8f0;
      text-align: left;
    }
    .spec-table td {
      padding: 18px 20px;
      border-bottom: 1px solid #f1f5f9;
      color: #334155;
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    .badge-check {
      background: #ecfdf5;
      color: #059669;
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
      font-weight: 600;
    }

    /* Block 10: Security Shields */
    .shield-card {
      background: #ffffff;
      border: 1px solid rgba(37, 99, 235, 0.15);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      text-align: center;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
    }
    .shield-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }
    .shield-icon-circle {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: #eff6ff;
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin: 0 auto 20px;
    }

    /* Block 11: Accordion FAQ */
    .accordion-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(15, 59, 122, 0.03);
    }
    .accordion-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      padding: 18px 24px;
      background: #ffffff;
      border: none;
      transition: var(--transition);
    }
    .accordion-title:hover,
    .accordion-title:focus {
      background: #f8fafc;
      color: var(--secondary);
    }
    .accordion-content {
      padding: 20px 24px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid #f1f5f9;
      background: #ffffff;
    }

    /* Block 12: Final CTA */
    .final-cta-card {
      background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
      border: 1px solid rgba(37, 99, 235, 0.2);
      border-radius: var(--radius-md);
      padding: 60px 40px;
      text-align: center;
      box-shadow: var(--card-shadow);
    }
    .final-cta-h2 {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .final-cta-p {
      font-size: 1.08rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 32px;
      line-height: 1.8;
    }
    .final-cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* Footer */
    .site-footer {
      background-color: var(--primary-dark);
      color: #94a3b8;
      padding: 80px 0 35px;
      font-size: 0.92rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-heading {
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 22px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: #94a3b8;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 60px;
      padding-top: 30px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* Responsive Overrides */
    @media print, screen and (max-width: 63.99875em) {
      .hero-h1 { font-size: 2.3rem; }
      .section-wrap { padding: 60px 0; }
      .stat-box { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
      .stat-box:last-child { border-bottom: none; }
    }
    @media print, screen and (max-width: 39.99875em) {
      .hero-h1 { font-size: 1.95rem; }
      .section-title { font-size: 1.65rem; }
      .header-inner { flex-direction: column; height: auto; padding: 16px 0; gap: 14px; }
      .main-navigation { gap: 16px; flex-wrap: wrap; justify-content: center; }
      .final-cta-card { padding: 40px 20px; }
    }

/* roulang page: category1 */
:root {
      --primary: #0f3b7a;
      --primary-dark: #0b1a30;
      --primary-hover: #1e40af;
      --secondary: #2563eb;
      --secondary-light: #eff6ff;
      --accent: #d97706;
      --accent-hover: #b45309;
      --bg-main: #f4f7fb;
      --bg-white: #ffffff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: rgba(15, 59, 122, 0.08);
      --card-shadow: 0 12px 32px -4px rgba(15, 59, 122, 0.06), 0 4px 12px -2px rgba(15, 59, 122, 0.03);
      --card-hover-shadow: 0 20px 40px -6px rgba(15, 59, 122, 0.12), 0 8px 16px -3px rgba(15, 59, 122, 0.06);
      --radius-sm: 8px;
      --radius-md: 12px;
      --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #92400e 100%);
      --dark-card: #132238;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.7;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: var(--secondary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-hover);
    }
    .site-header {
      background-color: var(--primary-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(10px);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.28rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo i {
      color: var(--accent);
      font-size: 1.5rem;
    }
    .main-navigation {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }
    .main-navigation a {
      color: rgba(255, 255, 255, 0.82);
      font-size: 0.96rem;
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .main-navigation a:hover,
    .main-navigation a.is-active {
      color: #ffffff;
    }
    .main-navigation a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--secondary);
      transition: var(--transition);
    }
    .main-navigation a:hover::after,
    .main-navigation a.is-active::after {
      width: 100%;
    }
    .nav-actions .btn-cta-nav {
      background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
      color: #ffffff;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-actions .btn-cta-nav:hover {
      background: linear-gradient(135deg, #e08316 0%, #9a4405 100%);
      transform: translateY(-1px);
    }

    /* Category Hero (Club Gold Theme) */
    .cat-hero-banner {
      background: radial-gradient(circle at 85% 20%, rgba(217, 119, 6, 0.15) 0%, transparent 60%), linear-gradient(180deg, #0b1a30 0%, #0c2344 100%);
      color: #ffffff;
      padding: 55px 0 65px;
      border-bottom: 1px solid rgba(217, 119, 6, 0.2);
    }
    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
      color: #94a3b8;
      margin-bottom: 24px;
    }
    .breadcrumb-nav a {
      color: #cbd5e1;
    }
    .breadcrumb-nav a:hover {
      color: #ffffff;
    }
    .breadcrumb-separator {
      font-size: 0.75rem;
      color: #64748b;
    }
    .club-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(217, 119, 6, 0.15);
      border: 1px solid rgba(245, 158, 11, 0.35);
      color: #fbbf24;
      font-size: 0.82rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.3;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .cat-lead {
      font-size: 1.05rem;
      color: #94a3b8;
      max-width: 820px;
      line-height: 1.8;
      margin-bottom: 26px;
    }
    .cat-meta-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      align-items: center;
    }
    .meta-metric-item {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
    }
    .metric-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 10px #10b981;
    }
    .metric-text {
      font-size: 0.88rem;
      color: #e2e8f0;
      font-weight: 500;
    }

    /* Section Layout */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }
    .section-wrap.alt-bg {
      background-color: #eef3f9;
    }
    .section-head {
      margin-bottom: 40px;
    }
    .section-head.text-center {
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--secondary);
      background: var(--secondary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 10px;
      letter-spacing: 0.5px;
      border: 1px solid rgba(37, 99, 235, 0.15);
    }
    .section-title {
      font-size: 1.95rem;
      color: var(--primary);
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-intro {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.75;
      max-width: 820px;
    }
    .section-head.text-center .section-intro {
      margin: 0 auto;
    }

    /* Filter Toolbar */
    .filter-panel-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      box-shadow: var(--card-shadow);
      margin-top: -32px;
      position: relative;
      z-index: 20;
    }
    .filter-row {
      display: flex;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(15, 59, 122, 0.1);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-row:first-child {
      padding-top: 0;
    }
    .filter-label {
      width: 110px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
      flex-shrink: 0;
    }
    .filter-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-chip {
      display: inline-block;
      font-size: 0.85rem;
      color: var(--text-muted);
      padding: 4px 14px;
      border-radius: 6px;
      background: #f1f5f9;
      cursor: pointer;
      transition: var(--transition);
      user-select: none;
    }
    .filter-chip:hover {
      color: var(--secondary);
      background: var(--secondary-light);
    }
    .filter-chip.is-selected {
      background: var(--primary);
      color: #ffffff;
      font-weight: 600;
    }

    /* Media Stream Cards */
    .stream-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 30px;
    }
    .stream-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-5px);
      border-color: rgba(37, 99, 235, 0.25);
    }
    .stream-card-preview {
      position: relative;
      width: 100%;
      padding-top: 56.25%;
      background: linear-gradient(135deg, #0b1a30 0%, #1e3a63 100%);
      overflow: hidden;
    }
    .preview-placeholder-inner {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, 0.3);
    }
    .preview-play-icon {
      font-size: 2.4rem;
      color: rgba(255, 255, 255, 0.85);
      transition: var(--transition);
    }
    .stream-card:hover .preview-play-icon {
      transform: scale(1.15);
      color: var(--accent);
    }
    .preview-badge-top-left {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(4px);
      color: #38bdf8;
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(56, 189, 248, 0.3);
    }
    .preview-badge-top-right {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(217, 119, 6, 0.9);
      color: #ffffff;
      font-size: 0.74rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .preview-duration-bottom {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.8);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 6px;
      border-radius: 4px;
    }
    .stream-card-body {
      padding: 20px 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .stream-card-title {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .stream-card-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .stream-card-meta-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(15, 59, 122, 0.06);
      padding-top: 14px;
      margin-top: auto;
    }
    .stream-node-latency {
      font-size: 0.8rem;
      color: #059669;
      display: flex;
      align-items: center;
      gap: 5px;
      font-weight: 600;
    }
    .btn-card-launch {
      background: var(--secondary-light);
      color: var(--secondary);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.84rem;
      font-weight: 600;
      border: 1px solid rgba(37, 99, 235, 0.2);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-card-launch:hover {
      background: var(--secondary);
      color: #ffffff;
    }

    /* Foundation Pagination Custom */
    .pagination-wrapper {
      margin-top: 20px;
      display: flex;
      justify-content: center;
    }
    ul.custom-pagination {
      display: inline-flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 8px;
    }
    .custom-pagination li a,
    .custom-pagination li span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background: var(--bg-white);
      color: var(--text-main);
      font-size: 0.92rem;
      font-weight: 600;
      transition: var(--transition);
    }
    .custom-pagination li.current span {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }
    .custom-pagination li a:hover {
      background: var(--secondary-light);
      border-color: var(--secondary);
      color: var(--secondary);
    }

    /* Topic Collection Horizontal Cards */
    .topic-bundle-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
      border-left: 4px solid var(--secondary);
    }
    .topic-bundle-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }
    .topic-bundle-icon {
      font-size: 1.8rem;
      color: var(--secondary);
      margin-bottom: 14px;
    }
    .topic-bundle-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .topic-bundle-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 14px;
    }
    .topic-feature-list {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 0.86rem;
      color: var(--text-main);
    }
    .topic-feature-list li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .topic-feature-list li i {
      color: #10b981;
      font-size: 0.8rem;
    }

    /* Technical Assurance Split Block */
    .tech-spec-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--card-shadow);
      height: 100%;
    }
    .tech-metric-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid #f1f5f9;
    }
    .tech-metric-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .tech-metric-name {
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 600;
    }
    .tech-metric-val {
      font-size: 0.9rem;
      color: var(--secondary);
      font-weight: 700;
      background: var(--secondary-light);
      padding: 2px 10px;
      border-radius: 4px;
    }

    /* Troubleshooting Grid */
    .trouble-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 22px 20px;
      box-shadow: 0 4px 14px rgba(15, 59, 122, 0.04);
      height: 100%;
      transition: var(--transition);
    }
    .trouble-card:hover {
      border-color: rgba(37, 99, 235, 0.3);
      box-shadow: var(--card-shadow);
    }
    .trouble-card-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .trouble-card-title i {
      color: var(--accent);
    }
    .trouble-card-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }

    /* CTA Bottom Bar */
    .category-cta-container {
      background: linear-gradient(135deg, #0b1a30 0%, #0f3b7a 100%);
      border-radius: var(--radius-md);
      padding: 50px 40px;
      color: #ffffff;
      box-shadow: 0 20px 40px -10px rgba(15, 59, 122, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cta-input-group {
      display: flex;
      max-width: 580px;
      margin: 24px auto 0;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .cta-input-field {
      flex-grow: 1;
      border: none;
      padding: 15px 20px;
      font-size: 0.95rem;
      background: #ffffff;
      color: var(--text-main);
      margin: 0;
      height: auto;
    }
    .cta-input-field:focus {
      outline: none;
      background: #ffffff;
      box-shadow: none;
    }
    .cta-btn-submit {
      background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
      color: #ffffff;
      border: none;
      padding: 0 28px;
      font-weight: 700;      font-size: 0.95rem;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
      white-space: nowrap;
    }
    .cta-btn-submit:hover {
      background: linear-gradient(135deg, #e08316 0%, #9a4405 100%);
    }

    /* Footer */
    .site-footer {
      background-color: var(--primary-dark);
      color: #94a3b8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-heading {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.85rem;
      text-align: center;
      color: #64748b;
    }

    @media print, screen and (max-width: 63.99875em) {
      .main-navigation {
        gap: 16px;
      }
      .main-navigation a {
        font-size: 0.9rem;
      }
      .filter-panel-card {
        padding: 20px 18px;
      }
      .filter-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .filter-label {
        width: 100%;
      }
      .cat-h1 {
        font-size: 1.9rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
    }
    @media print, screen and (max-width: 39.99875em) {
      .header-inner {
        height: 64px;
      }
      .brand-logo {
        font-size: 1.12rem;
      }
      .main-navigation {
        display: none;
      }
      .cat-hero-banner {
        padding: 35px 0 45px;
      }
      .cat-h1 {
        font-size: 1.55rem;
      }
      .cta-input-group {
        flex-direction: column;
        box-shadow: none;
      }
      .cta-input-field {
        border-radius: var(--radius-sm);
        margin-bottom: 10px;
      }
      .cta-btn-submit {
        border-radius: var(--radius-sm);
        padding: 14px;
        justify-content: center;
      }
      .category-cta-container {
        padding: 34px 20px;
      }
    }