/* roulang page: index */
:root {
      --primary: #0D2137;
      --primary-dark: #071321;
      --primary-light: #18385A;
      --accent: #E63946;
      --accent-hover: #D62839;
      --bg-light: #F6F8FA;
      --bg-white: #FFFFFF;
      --text-main: #111827;
      --text-body: #374151;
      --text-muted: #6B7280;
      --border-color: #E2E8F0;
      --border-focus: #CBD5E1;
      --radius-sm: 2px;
      --radius-md: 4px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    /* Reset & Base */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      color: var(--text-body);
      background-color: var(--bg-white);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-sans);
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.3;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease-in-out;
    }
    a:hover, a:focus {
      color: var(--accent);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Portal Utility Header */
    .top-utility-bar {
      background: var(--primary-dark);
      color: #94A3B8;
      font-size: 0.785rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 6px 0;
    }
    .utility-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #38BDF8;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #10B981;
      display: inline-block;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }
    .lang-capsule-group {
      display: inline-flex;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 20px;
      padding: 2px 4px;
      gap: 2px;
    }
    .lang-capsule {
      font-size: 0.725rem;
      padding: 2px 8px;
      border-radius: 14px;
      color: #CBD5E1;
    }
    .lang-capsule.active {
      background: var(--accent);
      color: #FFFFFF;
      font-weight: 600;
    }

    /* Main Navigation Bar */
    .site-header {
      background: var(--primary);
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 3px solid var(--accent);
    }
    .main-nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #FFFFFF;
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .nav-brand i {
      color: var(--accent);
      font-size: 1.4rem;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 24px;
      margin: 0;
    }
    .nav-link {
      color: #E2E8F0;
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding: 6px 2px;
    }
    .nav-link:hover, .nav-link.active {
      color: #FFFFFF;
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      transition: all 0.2s ease;
      cursor: pointer;
      border: 1px solid transparent;
      gap: 8px;
    }
    .btn-primary {
      background: var(--accent);
      color: #FFFFFF;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      color: #FFFFFF;
    }
    .btn-outline-light {
      border-color: rgba(255, 255, 255, 0.4);
      color: #FFFFFF;
      background: transparent;
    }
    .btn-outline-light:hover {
      border-color: #FFFFFF;
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
    }
    .btn-outline-dark {
      border-color: var(--primary);
      color: var(--primary);
      background: transparent;
    }
    .btn-outline-dark:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    /* Common Section Styles */
    .portal-section {
      padding: 64px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-bg-light {
      background-color: var(--bg-light);
    }
    .section-bg-dark {
      background-color: var(--primary-dark);
      color: #F1F5F9;
    }
    .section-header-block {
      margin-bottom: 40px;
      position: relative;
    }
    .kicker-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 6px;
      background: rgba(230, 57, 70, 0.1);
      padding: 3px 10px;
      border-radius: 2px;
    }
    .section-title {
      font-size: 1.85rem;
      margin-bottom: 12px;
      position: relative;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0;
    }

    /* Block 1: Hero */
    .hero-portal {
      background: linear-gradient(135deg, #091726 0%, #102A45 100%);
      color: #FFFFFF;
      padding: 72px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 4px solid var(--accent);
    }
    .hero-portal::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: url('/assets/images/e686db2843dd3894.webp') center/cover no-repeat;
      opacity: 0.18;
      pointer-events: none;
    }
    .hero-h1 {
      color: #FFFFFF;
      font-size: 2.35rem;
      line-height: 1.25;
      margin-bottom: 20px;
      font-weight: 800;
    }
    .hero-lead {
      color: #CBD5E1;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-stats-band {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 32px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
    }
    .hero-stat-item h4 {
      color: #38BDF8;
      font-size: 1.6rem;
      margin-bottom: 2px;
    }
    .hero-stat-item p {
      color: #94A3B8;
      font-size: 0.8rem;
      margin: 0;
    }
    .hero-panel {
      background: rgba(13, 33, 55, 0.88);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
      padding: 24px;
      position: relative;
    }
    .panel-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding-bottom: 12px;
      margin-bottom: 16px;
    }
    .panel-head span {
      font-size: 0.85rem;
      font-weight: 700;
      color: #E2E8F0;
    }
    .node-feed-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
      font-size: 0.825rem;
    }
    .node-name {
      color: #F8FAFC;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .node-ping {
      color: #10B981;
      font-family: monospace;
      font-weight: 700;
    }

    /* Block 2: Ticker */
    .ticker-bar {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 10px 0;
      font-size: 0.875rem;
    }
    .ticker-container {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .ticker-tag {
      background: var(--accent);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 2px;
      white-space: nowrap;
    }
    .ticker-scroll {
      display: flex;
      gap: 30px;
      overflow: hidden;
      white-space: nowrap;
      color: var(--text-body);
    }
    .ticker-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .ticker-item i {
      color: #10B981;
      font-size: 0.75rem;
    }

    /* Block 3: Asian & Chinese Core Matrix */
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .feature-stack-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 20px;
      margin-bottom: 16px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--primary);
    }
    .feature-stack-item h4 {
      font-size: 1.1rem;
      margin-bottom: 6px;
    }
    .feature-stack-item p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* Block 4: Regional Grids */
    .grid-hub-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      text-align: left;
      height: 100%;
      border-top: 3px solid var(--primary-light);
    }
    .grid-hub-card.active-hub {
      border-top-color: var(--accent);
    }
    .hub-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }
    .hub-title {
      font-size: 1.15rem;
      font-weight: 700;
    }
    .hub-status-pill {
      font-size: 0.7rem;
      padding: 2px 8px;
      border-radius: 12px;
      background: #ECFDF5;
      color: #065F46;
      font-weight: 600;
    }
    .hub-data-row {
      display: flex;
      justify-content: space-between;
      font-size: 0.825rem;
      padding: 6px 0;
      border-bottom: 1px solid #F1F5F9;
      color: var(--text-muted);
    }
    .hub-data-row strong {
      color: var(--text-main);
    }

    /* Block 5: Business Scenarios */
    .scenario-tab-content {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }
    .scenario-box {
      border: 1px solid var(--border-color);
      padding: 24px;
      background: #FFFFFF;
      border-radius: var(--radius-sm);
      height: 100%;
    }
    .scenario-box i {
      font-size: 1.75rem;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .scenario-box h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }
    .scenario-box p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Block 6: Workflow Stage */
    .workflow-window {
      background: #0F172A;
      border-radius: 6px;
      border: 1px solid #334155;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .window-bar {
      background: #1E293B;
      padding: 8px 14px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .window-circle {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #64748B;
    }
    .step-list-vertical {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .step-item {
      display: flex;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .step-number {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      flex-shrink: 0;
    }
    .step-info h4 {
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .step-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* Block 7: Metrics & Case Studies */
    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 24px;
      margin-bottom: 18px;
    }
    .case-tag {
      font-size: 0.725rem;
      background: #EFF6FF;
      color: #1D4ED8;
      padding: 2px 8px;
      font-weight: 600;
      border-radius: 2px;
      margin-bottom: 8px;
      display: inline-block;
    }
    .stat-dashboard-box {
      background: var(--primary);
      color: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      height: 100%;
    }
    .stat-kpi {
      margin-bottom: 24px;
    }
    .stat-kpi-num {
      font-size: 2.4rem;
      font-weight: 800;
      color: #38BDF8;
      line-height: 1;
      margin-bottom: 6px;
    }
    .stat-kpi-label {
      font-size: 0.85rem;
      color: #94A3B8;
    }

    /* Block 8: Pricing / Tier Matrix */
    .price-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .price-card.featured {
      border: 2px solid var(--accent);
      box-shadow: var(--shadow-hover);
    }
    .price-tag-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #FFFFFF;
      font-size: 0.725rem;
      padding: 3px 12px;
      font-weight: 700;
      border-radius: 12px;
    }
    .price-val {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0 8px;
    }
    .price-features {
      list-style: none;
      margin: 20px 0;
      text-align: left;
      font-size: 0.875rem;
    }
    .price-features li {
      padding: 8px 0;
      border-bottom: 1px dashed #F1F5F9;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .price-features li i {
      color: #10B981;
    }

    /* Block 9: Testimonials Wall */
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
    }
    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
      font-size: 1rem;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 0.75rem;
      margin-bottom: 2px;
    }
    .testi-quote {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.75;
      font-style: italic;
    }

    /* Block 10: Industry Standards & Trust */
    .quote-box {
      background: #FFFFFF;
      border-left: 4px solid var(--accent);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
    }
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-top: 24px;
    }
    .compliance-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 14px 10px;
      text-align: center;
      border-radius: 2px;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary);
    }

    /* Block 11: News / Updates */
    .article-lead-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
    }
    .article-lead-content {
      padding: 24px;
    }
    .article-item-compact {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 16px;
      margin-bottom: 14px;
      border-radius: var(--radius-sm);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .article-item-compact:hover {
      border-color: var(--accent);
    }
    .article-meta {
      font-size: 0.75rem;
      color: var(--text-muted);
      display: flex;
      gap: 12px;
    }

    /* Block 12: Ultimate Action Call */
    .cta-banner-wrapper {
      background: linear-gradient(135deg, #071321 0%, #102A45 100%);
      color: #FFFFFF;
      padding: 56px 40px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .cta-h2 {
      color: #FFFFFF;
      font-size: 2rem;
      margin-bottom: 14px;
    }
    .cta-p {
      color: #CBD5E1;
      font-size: 1rem;
      margin-bottom: 28px;
      max-width: 680px;
    }

    /* Footer System */
    .site-footer {
      background: #0B1726;
      color: #94A3B8;
      padding: 60px 0 24px;
      font-size: 0.875rem;
      border-top: 4px solid var(--primary-light);
    }
    .footer-col-title {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-col-title::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--accent);
    }
    .footer-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-list li {
      margin-bottom: 10px;
    }
    .footer-list a {
      color: #94A3B8;
    }
    .footer-list a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.8rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2rem; }
      .compliance-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .utility-flex { flex-direction: column; gap: 6px; text-align: center; }
      .main-nav-wrapper { flex-direction: column; gap: 14px; }
      .nav-menu { flex-wrap: wrap; justify-content: center; gap: 14px; }
      .hero-stats-band { grid-template-columns: 1fr; }
      .hero-h1 { font-size: 1.65rem; }
      .section-title { font-size: 1.5rem; }
      .cta-banner-wrapper { padding: 36px 20px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: category1 */
:root {
        --primary: #0D2137;
        --primary-dark: #071321;
        --primary-light: #18385A;
        --accent: #E63946;
        --accent-hover: #D62839;
        --bg-light: #F6F8FA;
        --bg-white: #FFFFFF;
        --text-main: #111827;
        --text-body: #374151;
        --text-muted: #6B7280;
        --border-color: #E2E8F0;
        --border-focus: #CBD5E1;
        --radius-sm: 2px;
        --radius-md: 4px;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
        --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    * {
        box-sizing: border-box;
    }

    body {
        font-family: var(--font-sans);
        color: var(--text-body);
        background-color: var(--bg-white);
        line-height: 1.8;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
    }

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

    a:hover, a:focus {
        color: var(--accent);
    }

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

    /* Top Utility Bar */
    .top-utility-bar {
        background: var(--primary-dark);
        color: #94A3B8;
        font-size: 0.785rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 6px 0;
    }
    .status-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: #38BDF8;
    }
    .lang-capsule {
        display: inline-flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 2px 8px;
        gap: 8px;
        font-size: 0.75rem;
    }
    .lang-capsule a {
        color: #CBD5E1;
    }
    .lang-capsule a.active, .lang-capsule a:hover {
        color: #FFFFFF;
        font-weight: 700;
    }

    /* Main Navigation Bar */
    .site-header {
        background: var(--primary);
        box-shadow: var(--shadow-md);
        position: sticky;
        top: 0;
        z-index: 1000;
        border-bottom: 3px solid var(--accent);
    }
    .main-nav-wrapper {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
    }
    .nav-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #FFFFFF;
        font-size: 1.25rem;
        font-weight: 800;
        letter-spacing: -0.5px;
    }
    .nav-brand i {
        color: var(--accent);
        font-size: 1.4rem;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        list-style: none;
        gap: 24px;
        margin: 0;
    }
    .nav-link {
        color: #E2E8F0;
        font-weight: 500;
        font-size: 0.95rem;
        position: relative;
        padding: 6px 2px;
    }
    .nav-link:hover, .nav-link.active {
        color: #FFFFFF;
    }
    .nav-link.active::after {
        content: "";
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--accent);
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 600;
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        font-size: 0.88rem;
        transition: all 0.2s ease;
        cursor: pointer;
        border: 1px solid transparent;
        gap: 8px;
        line-height: 1.4;
    }
    .btn-primary {
        background: var(--accent);
        color: #FFFFFF;
    }
    .btn-primary:hover {
        background: var(--accent-hover);
        color: #FFFFFF;
    }
    .btn-outline-light {
        border-color: rgba(255, 255, 255, 0.4);
        color: #FFFFFF;
        background: transparent;
    }
    .btn-outline-light:hover {
        border-color: #FFFFFF;
        background: rgba(255, 255, 255, 0.1);
        color: #FFFFFF;
    }
    .btn-outline-dark {
        border-color: var(--primary);
        color: var(--primary);
        background: transparent;
    }
    .btn-outline-dark:hover {
        background: var(--primary);
        color: #FFFFFF;
    }

    /* Common Section Styles */
    .category-section {
        padding: 56px 0;
        border-bottom: 1px solid var(--border-color);
    }
    .bg-light {
        background-color: var(--bg-light);
    }
    .bg-white {
        background-color: var(--bg-white);
    }
    .kicker-tag {
        display: inline-block;
        font-size: 0.75rem;
        font-weight: 700;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 0.8px;
        margin-bottom: 8px;
        background: rgba(230, 57, 70, 0.1);
        padding: 3px 10px;
        border-radius: 2px;
    }
    .section-title {
        font-size: 1.75rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 10px;
        line-height: 1.3;
    }
    .section-subtitle {
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.75;
        margin-bottom: 32px;
    }

    /* Block 1: Compact Category Header */
    .category-header-banner {
        background: linear-gradient(135deg, #091726 0%, #133353 100%);
        color: #FFFFFF;
        padding: 46px 0 36px;
        position: relative;
        border-bottom: 3px solid var(--accent);
    }
    .cat-h1 {
        font-size: 2.1rem;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 14px;
        line-height: 1.25;
    }
    .cat-h1 span {
        color: #38BDF8;
    }
    .cat-lead {
        color: #CBD5E1;
        font-size: 0.98rem;
        line-height: 1.8;
        max-width: 860px;
        margin-bottom: 24px;
    }
    .filter-group {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
    }
    .filter-btn {
        padding: 6px 14px;
        font-size: 0.82rem;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #E2E8F0;
        background: rgba(255, 255, 255, 0.05);
        font-weight: 500;
        cursor: pointer;
    }
    .filter-btn:hover, .filter-btn.active {
        background: var(--accent);
        border-color: var(--accent);
        color: #FFFFFF;
    }

    /* Block 2: Micro Data Band */
    .realtime-stats-band {
        background: #0B1D30;
        color: #E2E8F0;
        padding: 16px 0;
        border-bottom: 1px solid #1E293B;
    }
    .stat-micro-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 6px 12px;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    .stat-micro-item:last-child {
        border-right: none;
    }
    .stat-micro-icon {
        font-size: 1.6rem;
        color: #38BDF8;
        line-height: 1;
    }
    .stat-micro-val {
        font-size: 1.15rem;
        font-weight: 700;
        color: #FFFFFF;
        line-height: 1.1;
    }
    .stat-micro-lbl {
        font-size: 0.75rem;
        color: #94A3B8;
    }

    /* Block 3: Aggregated Content (8:4 layout) */
    .resource-card {
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        margin-bottom: 24px;
        display: flex;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .resource-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
        border-color: #CBD5E1;
    }
    .resource-thumb {
        flex: 0 0 240px;
        position: relative;
        background: #0B1D30;
        overflow: hidden;
    }
    .resource-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }
    .resource-card:hover .resource-thumb img {
        transform: scale(1.05);
    }
    .resource-body {
        padding: 20px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .resource-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.78rem;
        color: var(--text-muted);
        margin-bottom: 8px;
    }
    .geo-pill {
        background: rgba(13, 33, 55, 0.08);
        color: var(--primary);
        font-weight: 700;
        padding: 2px 8px;
        border-radius: 2px;
    }
    .resource-title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.35;
    }
    .resource-title a:hover {
        color: var(--accent);
    }
    .resource-desc {
        font-size: 0.88rem;
        color: var(--text-body);
        line-height: 1.7;
        margin-bottom: 14px;
    }
    .resource-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px dashed var(--border-color);
        font-size: 0.8rem;
    }
    .node-perf-badge {
        color: #059669;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* Sidebar Components */
    .portal-sidebar-widget {
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 20px;
        margin-bottom: 24px;
        box-shadow: var(--shadow-sm);
    }
    .widget-head {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        border-bottom: 2px solid var(--primary);
        padding-bottom: 8px;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .widget-head i {
        color: var(--accent);
    }
    .sidebar-rank-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .sidebar-rank-item {
        display: flex;
        gap: 12px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
        align-items: flex-start;
    }
    .sidebar-rank-item:last-child {
        border-bottom: none;
    }
    .rank-num {
        width: 22px;
        height: 22px;
        background: #F1F5F9;
        color: #475569;
        font-weight: 700;
        border-radius: 2px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        flex-shrink: 0;
    }
    .rank-num.top3 {
        background: var(--accent);
        color: #FFFFFF;
    }
    .rank-content a {
        font-size: 0.86rem;
        font-weight: 600;
        color: var(--text-main);
        line-height: 1.4;
        display: block;
        margin-bottom: 4px;
    }
    .rank-meta {
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    /* Pagination */
    .cat-pagination {
        display: flex;
        gap: 6px;
        margin-top: 28px;
        align-items: center;
    }
    .cat-page-btn {
        width: 36px;
        height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border-color);
        background: #FFFFFF;
        font-size: 0.85rem;
        font-weight: 600;
        border-radius: 2px;
    }
    .cat-page-btn.active, .cat-page-btn:hover {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
    }

    /* Block 4: Deep Topic Analysis (Editorial Double Column) */
    .feature-paper-box {
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-top: 4px solid var(--accent);
        padding: 36px;
        box-shadow: var(--shadow-sm);
    }
    .paper-quote {
        font-size: 1.05rem;
        color: var(--primary);
        font-weight: 600;
        line-height: 1.8;
        border-left: 4px solid var(--primary-light);
        padding-left: 16px;
        margin-bottom: 24px;
        background: #F8FAFC;
        padding-top: 12px;
        padding-bottom: 12px;
    }
    .paper-text {
        font-size: 0.92rem;
        line-height: 1.85;
        color: var(--text-body);
        margin-bottom: 16px;
    }
    .paper-stat-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 20px;
    }
    .paper-metric-item {
        background: #F8FAFC;
        border: 1px solid var(--border-color);
        padding: 14px;
        border-radius: 2px;
    }
    .paper-metric-item h5 {
        font-size: 0.82rem;
        color: var(--text-muted);
        margin-bottom: 4px;
    }
    .paper-metric-item p {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--primary);
        margin: 0;
    }

    /* Block 5: FAQ Accordion Panel */
    .faq-panel-item {
        border: 1px solid var(--border-color);
        background: #FFFFFF;
        margin-bottom: 12px;
        border-radius: var(--radius-sm);
        overflow: hidden;
    }
    .faq-panel-header {
        padding: 18px 22px;
        font-weight: 700;
        font-size: 1rem;
        color: var(--text-main);
        cursor: pointer;
        background: #FFFFFF;
        display: flex;
        justify-content: space-between;
        align-items: center;
        user-select: none;
        transition: background 0.2s ease;
    }
    .faq-panel-header:hover {
        background: #F8FAFC;
        color: var(--accent);
    }
    .faq-panel-header i {
        color: #94A3B8;
        font-size: 0.85rem;
        transition: transform 0.2s ease;
    }
    .faq-panel-header.active i {
        transform: rotate(180deg);
        color: var(--accent);
    }
    .faq-panel-content {
        padding: 0 22px 18px 22px;
        font-size: 0.9rem;
        line-height: 1.8;
        color: var(--text-body);
        border-top: 1px solid #F1F5F9;
        display: block;
    }

    /* Block 6: 4-Step Process Track */
    .step-track-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        position: relative;
    }
    .step-track-card {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        padding: 24px 20px;
        border-radius: var(--radius-sm);
        position: relative;
        box-shadow: var(--shadow-sm);
    }
    .step-track-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: var(--primary);
    }
    .step-track-card.active-step::before {
        background: var(--accent);
    }
    .step-sequence {
        font-size: 1.5rem;
        font-weight: 800;
        color: #CBD5E1;
        line-height: 1;
        margin-bottom: 12px;
    }
    .step-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }
    .step-desc {
        font-size: 0.84rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* Block 7: Dedicated Support CTA */
    .compact-cta-banner {
        background: linear-gradient(135deg, #0D2137 0%, #153A60 100%);
        color: #FFFFFF;
        padding: 40px;
        border-radius: var(--radius-sm);
        border-left: 5px solid var(--accent);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        box-shadow: var(--shadow-md);
    }
    .cta-banner-text h3 {
        color: #FFFFFF;
        font-size: 1.5rem;
        font-weight: 800;
        margin-bottom: 8px;
    }
    .cta-banner-text p {
        color: #CBD5E1;
        font-size: 0.92rem;
        margin: 0;
        line-height: 1.7;
    }

    /* Footer System */
    .site-footer {
        background: var(--primary-dark);
        color: #94A3B8;
        padding: 60px 0 28px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 0.88rem;
    }
    .footer-col-title {
        color: #FFFFFF;
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 8px;
    }
    .footer-col-title::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 28px;
        height: 2px;
        background: var(--accent);
    }
    .footer-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-list li {
        margin-bottom: 10px;
    }
    .footer-list a {
        color: #94A3B8;
        font-size: 0.85rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .footer-list a:hover {
        color: #FFFFFF;
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: 48px;
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 0.8rem;
        color: #64748B;
    }
    .footer-badges {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .badge-ssl {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, 0.05);
        padding: 4px 10px;
        border-radius: 2px;
        color: #38BDF8;
        border: 1px solid rgba(56, 189, 248, 0.2);
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
        .step-track-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .paper-stat-grid {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 768px) {
        .main-nav-wrapper {
            flex-wrap: wrap;
            gap: 14px;
        }
        .nav-menu {
            overflow-x: auto;
            width: 100%;
            padding-bottom: 8px;
            gap: 16px;
        }
        .nav-actions {
            display: none;
        }
        .resource-card {
            flex-direction: column;
        }
        .resource-thumb {
            flex: 0 0 180px;
            width: 100%;
        }
        .stat-micro-item {
            border-right: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-micro-item:last-child {
            border-bottom: none;
        }
        .compact-cta-banner {
            flex-direction: column;
            align-items: flex-start;
            padding: 24px;
        }
        .step-track-grid {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }