:root {
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-subtle: #F1F5F9;
      --primary: #2563EB;
      --primary-light: #EFF6FF;
      --primary-dark: #1D4ED8;
      --accent: #0EA5E9;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 25px rgba(37, 99, 235, 0.08);
      --radius: 12px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      font-family: 'Poppins',"Poppins Fallback", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      padding: 40px 0 60px;
      -webkit-font-smoothing: antialiased;
    }

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

    a:hover {
      color: var(--primary-dark);
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Hero Banner Section */
    .hero-section {
      background: linear-gradient(135deg, #EFF6FF 0%, #E0F2FE 100%);
      padding: 45px 30px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      margin-bottom: 30px;
    }

    .hero-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }

    .breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.85);
      padding: 6px 16px;
      border-radius: 20px;
    }

    /* Content Intro Section */
    .intro-section {
      background-color: var(--bg-card);
      border-radius: var(--radius);
      padding: 36px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .intro-content h2 {
      font-size: 1.35rem;
      color: var(--primary-dark);
      margin-top: 24px;
      margin-bottom: 12px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .intro-content h2:first-of-type {
      margin-top: 0;
    }

    .intro-content p {
      color: var(--text-muted);
      font-size: 0.975rem;
      margin-bottom: 16px;
      line-height: 1.75;
    }

    /* Highlights / Features Row */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
      margin: 30px 0 10px;
    }

    .feature-card {
      background: var(--primary-light);
      border: 1px solid rgba(37, 99, 235, 0.15);
      border-radius: 10px;
      padding: 20px;
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }

    .feature-card i {
      font-size: 1.5rem;
      color: var(--primary);
      margin-top: 3px;
    }

    .feature-card h4 {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .feature-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.5;
    }

    /* Search & Filter Area */
    .search-filter-wrapper {
      margin: 40px 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

    .section-heading {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-box {
      position: relative;
      width: 100%;
      max-width: 360px;
    }

    .search-box input {
      width: 100%;
      padding: 10px 16px 10px 40px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-family: inherit;
      font-size: 0.9rem;
      outline: none;
      transition: var(--transition);
      background-color: #FFFFFF;
    }

    .search-box input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

    .search-box i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* Category Cards Grid */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 24px;
      margin-bottom: 50px;
    }

    .category-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .category-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(37, 99, 235, 0.3);
    }

    .card-header {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 14px;
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .card-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.3;
    }

    .category-card:hover .card-title {
      color: var(--primary);
    }

    .card-desc {
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.65;
      margin-bottom: 20px;
      display: -webkit-box;
      -webkit-line-clamp: 4;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
    }

    .card-footer i {
      transition: var(--transition);
    }

    .category-card:hover .card-footer i {
      transform: translateX(4px);
    }

    /* FAQ Section */
    .faq-section {
      background-color: var(--bg-card);
      border-radius: var(--radius);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .faq-title-wrapper {
      margin-bottom: 24px;
      border-bottom: 2px solid var(--primary-light);
      padding-bottom: 12px;
    }

    .faq-grid {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      background-color: #FFFFFF;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 18px 20px;
      font-weight: 600;
      font-size: 0.975rem;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: var(--bg-main);
      transition: var(--transition);
    }

    .faq-question:hover {
      background-color: var(--primary-light);
      color: var(--primary);
    }

    .faq-question i {
      transition: transform 0.3s ease;
      color: var(--primary);
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease;
      color: var(--text-muted);
      font-size: 0.925rem;
      line-height: 1.7;
      background-color: #FFFFFF;
      padding: 0 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 18px 20px;
      border-top: 1px solid var(--border-color);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 1.75rem;
      }

      .category-grid {
        grid-template-columns: 1fr;
      }

      .intro-section, .faq-section {
        padding: 24px;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }
    }