/* roulang page: index */
:root {
      --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
      --brand-primary: #FF6B35;
      --brand-hover: #E85924;
      --brand-dark: #0F172A;
      --brand-navy: #1A365D;
      --sidebar-bg: linear-gradient(180deg, #10233E 0%, #1A365D 100%);
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-body: #334155;
      --border-color: rgba(226, 232, 240, 0.85);
      --card-radius: 20px;
      --card-radius-lg: 28px;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --card-shadow-hover: 0 20px 35px -5px rgba(247, 147, 30, 0.14), 0 10px 15px -5px rgba(15, 23, 42, 0.05);
      --badge-zone1: #10B981;
      --badge-zone1-bg: #ECFDF5;
      --badge-zone2: #F59E0B;
      --badge-zone2-bg: #FFFBEB;
      --badge-zone3: #8B5CF6;
      --badge-zone3-bg: #F5F3FF;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

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

    /* Left App Shell Layout */
    .app-shell-sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: 260px;
      height: 100vh;
      background: var(--sidebar-bg);
      color: #FFFFFF;
      z-index: 1030;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 28px 20px;
      box-shadow: 4px 0 20px rgba(0, 0, 0, 0.08);
    }

    .app-shell-main {
      margin-left: 260px;
      min-height: 100vh;
      background-color: var(--bg-light);
    }

    /* Sidebar Components */
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .sidebar-brand-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--brand-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
    }

    .sidebar-brand-title {
      font-size: 1.05rem;
      font-weight: 700;
      line-height: 1.3;
      color: #FFFFFF;
      letter-spacing: -0.2px;
    }

    .sidebar-menu {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .sidebar-menu-item a {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 16px;
      border-radius: 12px;
      color: #94A3B8;
      font-weight: 600;
      font-size: 0.92rem;
    }

    .sidebar-menu-item a:hover,
    .sidebar-menu-item.active a {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.08);
    }

    .sidebar-menu-item.active a {
      background: var(--brand-gradient);
      box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
    }

    .sidebar-bottom {
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .status-indicator {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.8rem;
      color: #A0AEC0;
      background: rgba(0, 0, 0, 0.25);
      padding: 10px 14px;
      border-radius: 10px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* Mobile Header */
    .mobile-header {
      display: none;
      height: 64px;
      background: #10233E;
      color: #fff;
      padding: 0 20px;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 1020;
    }

    /* UI Badges & Buttons */
    .btn-brand {
      background: var(--brand-gradient);
      color: #FFFFFF;
      border: none;
      border-radius: 50rem;
      padding: 0.75rem 1.85rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(247, 147, 30, 0.35);
      transition: all 0.25s ease;
    }

    .btn-brand:hover {
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(247, 147, 30, 0.45);
    }

    .btn-navy {
      background: #1A365D;
      color: #FFFFFF;
      border-radius: 50rem;
      padding: 0.75rem 1.85rem;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-navy:hover {
      background: #0F2547;
      color: #FFFFFF;
      transform: translateY(-2px);
    }

    .zone-pill {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 50rem;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .pill-zone1 {
      background: var(--badge-zone1-bg);
      color: var(--badge-zone1);
    }

    .pill-zone2 {
      background: var(--badge-zone2-bg);
      color: var(--badge-zone2);
    }

    .pill-zone3 {
      background: var(--badge-zone3-bg);
      color: var(--badge-zone3);
    }

    /* Cards */
    .card-custom {
      background: var(--bg-white);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .card-custom:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
    }

    /* Section Styling */
    .section-padding {
      padding: 72px 0;
    }

    .section-header {
      margin-bottom: 42px;
    }

    .section-header h2 {
      font-size: 1.95rem;
      font-weight: 800;
      color: var(--brand-dark);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
    }

    /* Section 1: Hero KPI Board */
    .hero-kpi-board {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 60px 0 70px 0;
      position: relative;
    }

    .flash-alert-bar {
      background: #FEF3C7;
      border: 1px solid #FDE68A;
      color: #92400E;
      border-radius: 50rem;
      padding: 8px 24px;
      font-size: 0.88rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }

    .countdown-box {
      background: #78350F;
      color: #fff;
      padding: 2px 8px;
      border-radius: 6px;
      font-family: monospace;
      font-weight: bold;
    }

    .hero-title {
      font-size: 2.55rem;
      font-weight: 900;
      color: var(--brand-dark);
      line-height: 1.25;
      margin-bottom: 20px;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-body);
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .kpi-grid-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 18px;
      padding: 22px 18px;
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
      text-align: center;
    }

    .kpi-number {
      font-size: 1.85rem;
      font-weight: 800;
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 4px;
    }

    .kpi-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* Section 2: Zone Matrix */
    .zone-shelf-card {
      border-radius: var(--card-radius);
      padding: 36px 30px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .zone-shelf-1 {
      border-top: 5px solid #10B981;
    }

    .zone-shelf-2 {
      border-top: 5px solid #F59E0B;
    }

    .zone-shelf-3 {
      border-top: 5px solid #8B5CF6;
    }

    /* Section 3: Feature Table */
    .feature-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
    }

    .feature-table {
      margin-bottom: 0;
      vertical-align: middle;
    }

    .feature-table thead th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--brand-dark);
      padding: 18px 24px;
      border-bottom: 2px solid #E2E8F0;
    }

    .feature-table tbody td {
      padding: 20px 24px;
      color: var(--text-body);
      border-bottom: 1px solid #EDF2F7;
    }

    /* Section 4: Milestone Timeline */
    .timeline-wrapper {
      position: relative;
      padding-left: 32px;
    }

    .timeline-wrapper::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: #E2E8F0;
    }

    .timeline-item {
      position: relative;
      margin-bottom: 36px;
    }

    .timeline-dot {
      position: absolute;
      left: -32px;
      top: 6px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 4px solid var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
    }

    /* Section 5: Curated Content */
    .curated-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .curated-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .card-custom:hover .curated-img-wrap img {
      transform: scale(1.06);
    }

    /* Section 6: Assurance Gateway */
    .assurance-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 32px 24px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .assurance-card:hover {
      background: #FFFBF9;
      border-color: #FDBA74;
    }

    .assurance-icon {
      width: 60px;
      height: 60px;
      border-radius: 18px;
      background: rgba(255, 107, 53, 0.1);
      color: var(--brand-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
    }

    /* Section 7: Quick Solver */
    .solver-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 30px;
      border: 1px solid var(--border-color);
      border-left: 5px solid #1A365D;
    }

    /* Section 8: Accordion */
    .accordion-button:not(.collapsed) {
      background-color: #FFF7ED;
      color: var(--brand-primary);
      box-shadow: none;
      font-weight: 700;
    }

    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(255, 107, 53, 0.3);
    }

    .accordion-item {
      border-radius: 14px !important;
      margin-bottom: 14px;
      border: 1px solid var(--border-color);
      overflow: hidden;
    }

    /* Section 9: Lead Form */
    .lead-form-box {
      background: #FFFFFF;
      border-radius: var(--card-radius-lg);
      padding: 44px 38px;
      border: 1px solid var(--border-color);
      box-shadow: 0 16px 36px rgba(15, 23, 42, 0.05);
    }

    /* Section 10: Category Portal Banner */
    .portal-banner {
      background: linear-gradient(135deg, #1A365D 0%, #2A4365 100%);
      border-radius: var(--card-radius-lg);
      padding: 56px 48px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
    }

    .portal-banner::after {
      content: '';
      position: absolute;
      right: -40px;
      bottom: -40px;
      width: 260px;
      height: 260px;
      background: rgba(255, 107, 53, 0.15);
      border-radius: 50%;
      filter: blur(40px);
    }

    /* Section 11: Feedback Cards */
    .feedback-card {
      background: #FFFFFF;
      border-radius: 18px;
      padding: 26px 22px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      height: 100%;
    }

    /* Section 12: Node Health Monitor */
    .monitor-panel {
      background: #0B1528;
      border-radius: 20px;
      padding: 28px 32px;
      color: #E2E8F0;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .monitor-node-item {
      background: rgba(255, 255, 255, 0.04);
      border-radius: 12px;
      padding: 16px 20px;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    /* App Footer */
    .app-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px;
      font-size: 0.9rem;
    }

    .footer-title {
      color: #FFFFFF;
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

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

    .footer-links a:hover {
      color: #FF6B35;
    }

    /* Responsive Breakpoints */
    @media (max-width: 991.98px) {      .app-shell-sidebar {
        display: none;
      }
      .app-shell-main {
        margin-left: 0;
      }
      .mobile-header {
        display: flex;
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .section-padding {
        padding: 48px 0;
      }
      .portal-banner {
        padding: 36px 24px;
      }
    }

/* roulang page: category1 */
:root {
      --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
      --brand-primary: #FF6B35;
      --brand-hover: #E85924;
      --brand-dark: #0F172A;
      --brand-navy: #1A365D;
      --sidebar-bg: linear-gradient(180deg, #10233E 0%, #1A365D 100%);
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-body: #334155;
      --border-color: rgba(226, 232, 240, 0.85);
      --card-radius: 20px;
      --card-radius-lg: 28px;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --card-shadow-hover: 0 20px 35px -5px rgba(247, 147, 30, 0.14), 0 10px 15px -5px rgba(15, 23, 42, 0.05);
      --badge-zone1: #10B981;
      --badge-zone1-bg: #ECFDF5;
      --badge-zone2: #F59E0B;
      --badge-zone2-bg: #FFFBEB;
      --badge-zone3: #8B5CF6;
      --badge-zone3-bg: #F5F3FF;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Fixed Sidebar App Shell */
    .app-shell-sidebar {
      width: 260px;
      height: 100vh;
      position: fixed;
      top: 0;
      left: 0;
      background: var(--sidebar-bg);
      color: #FFFFFF;
      z-index: 1030;
      padding: 24px 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border-right: 1px solid rgba(255, 255, 255, 0.08);
      overflow-y: auto;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .sidebar-brand-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--brand-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
      flex-shrink: 0;
    }
    .sidebar-brand-title {
      font-size: 1.05rem;
      font-weight: 700;
      line-height: 1.3;
      color: #FFFFFF;
      letter-spacing: -0.2px;
    }
    .sidebar-menu {
      list-style: none;
      padding: 0;
      margin: 24px 0 0 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .sidebar-menu-item a {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 16px;
      border-radius: 12px;
      color: #94A3B8;
      font-weight: 600;
      font-size: 0.92rem;
    }
    .sidebar-menu-item a:hover,
    .sidebar-menu-item.active a {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.08);
    }
    .sidebar-menu-item.active a {
      background: var(--brand-gradient);
      box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
    }
    .sidebar-status-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      padding: 16px;
      font-size: 0.82rem;
    }
    .status-indicator {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10B981;
      display: inline-block;
      box-shadow: 0 0 8px #10B981;
    }

    /* Main Container */
    .app-shell-main {
      margin-left: 260px;
      min-height: 100vh;
      background-color: var(--bg-light);
    }

    /* Mobile Header */
    .mobile-header {
      display: none;
      height: 64px;
      background: #10233E;
      color: #fff;
      padding: 0 20px;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 1020;
    }

    /* UI Badges & Buttons */
    .btn-brand {
      background: var(--brand-gradient);
      color: #FFFFFF;
      border: none;
      border-radius: 50rem;
      padding: 0.75rem 1.85rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(247, 147, 30, 0.35);
      transition: all 0.25s ease;
    }
    .btn-brand:hover {
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(247, 147, 30, 0.45);
    }
    .zone-pill {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 50rem;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .pill-zone1 {
      background: var(--badge-zone1-bg);
      color: var(--badge-zone1);
    }
    .pill-zone2 {
      background: var(--badge-zone2-bg);
      color: var(--badge-zone2);
    }
    .pill-zone3 {
      background: var(--badge-zone3-bg);
      color: var(--badge-zone3);
    }

    /* Cards */
    .card-custom {
      background: var(--bg-white);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .card-custom:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
    }

    /* Section Styling */
    .section-padding {
      padding: 64px 0;
    }
    .section-header {
      margin-bottom: 36px;
    }
    .section-header h2 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--brand-dark);
      letter-spacing: -0.5px;
      margin-bottom: 10px;
    }
    .section-header p {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 0;
    }

    /* Category Specific Blocks */
    /* 1. Category Banner */
    .cat-taxonomy-banner {
      background: linear-gradient(135deg, #10233E 0%, #1A365D 100%);
      color: #FFFFFF;
      padding: 48px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
    }
    .cat-breadcrumb {
      font-size: 0.88rem;
      color: #94A3B8;
      margin-bottom: 16px;
    }
    .cat-breadcrumb a {
      color: #CBD5E1;
    }
    .cat-breadcrumb a:hover {
      color: #FF6B35;
    }
    .cat-h1 {
      font-size: 2.2rem;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .cat-summary {
      font-size: 1.05rem;
      color: #CBD5E1;
      max-width: 820px;
      line-height: 1.7;
    }
    .cat-meta-badge-group {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }
    .cat-meta-badge {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      padding: 8px 16px;
      border-radius: 50rem;
      font-size: 0.85rem;
      font-weight: 600;
      color: #F1F5F9;
      display: flex;
      align-items: center;
      gap: 6px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    /* 2. Taxonomy Filter Pills */
    .filter-pills-bar {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 18px 0;
      position: sticky;
      top: 0;
      z-index: 1010;
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
    }
    .pill-filter-btn {
      border: 1px solid var(--border-color);
      background: var(--bg-light);
      color: var(--text-body);
      font-size: 0.88rem;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: 50rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
      cursor: pointer;
      white-space: nowrap;
    }
    .pill-filter-btn:hover,
    .pill-filter-btn.active {
      background: var(--brand-gradient);
      color: #FFFFFF;
      border-color: transparent;
      box-shadow: 0 3px 10px rgba(255, 107, 53, 0.25);
    }

    /* 3. Primary Resource Grid */
    .resource-card-img-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/10;
      background: #E2E8F0;
    }
    .resource-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .card-custom:hover .resource-card-img-wrap img {
      transform: scale(1.05);
    }
    .resource-card-floating-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
    }
    .resource-card-body {
      padding: 22px;
    }
    .resource-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--brand-dark);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .resource-card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .resource-card-footer {
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 4. Zone Technical Breakdown */
    .breakdown-row {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--card-shadow);
      margin-bottom: 24px;
    }
    .breakdown-icon-box {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
    }

    /* 5. Category FAQ */
    .faq-accordion .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: 16px !important;
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      background: #FFFFFF;
    }
    .faq-accordion .accordion-button {
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--brand-dark);
      background: #FFFFFF;
      padding: 20px 24px;
      box-shadow: none;
    }
    .faq-accordion .accordion-button:not(.collapsed) {
      color: var(--brand-primary);
      background: #FFFDF9;
      border-bottom: 1px solid var(--border-color);
    }
    .faq-accordion .accordion-body {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
    }

    /* 6. Cross-Sell Cards */
    .cross-sell-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }
    .cross-sell-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(247, 147, 30, 0.4);
    }

    /* 7. Channel Access Callout */
    .channel-callout-banner {
      background: linear-gradient(135deg, #1A365D 0%, #10233E 100%);
      border-radius: var(--card-radius-lg);
      padding: 48px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .channel-callout-banner::before {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 260px;
      height: 260px;
      background: var(--brand-gradient);
      border-radius: 50%;
      opacity: 0.15;
      filter: blur(50px);
    }

    /* App Footer */
    .app-footer {
      background: #0D1B2A;
      color: #94A3B8;
      padding: 60px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #FF6B35;
      padding-left: 4px;
    }

    /* Responsive Breakpoints */
    @media (max-width: 991.98px) {
      .app-shell-sidebar {
        display: none;
      }
      .app-shell-main {
        margin-left: 0;
      }
      .mobile-header {
        display: flex;
      }
      .channel-callout-banner {
        padding: 32px 24px;
      }
      .cat-h1 {
        font-size: 1.75rem;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}