.categories-page {
      background: white;
  }

  .page-header {
      background: white;
      padding: 20px 30px;
      border-bottom: 1px solid #e5e7eb;
      position: sticky;
      top: 0;
      z-index: 100;
  }

  .page-header-content {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
  }

  .page-header h1 {
      margin: 0;
      font-size: 20px;
      color: #333;
      font-weight: 700;
  }

  .breadcrumb {
      display: flex;
      gap: 8px;
      font-size: 13px;
      color: #666;
      align-items: center;
  }

  .breadcrumb a {
      color: #666;
      text-decoration: none;
  }

  .breadcrumb a:hover {
      color: #1e3a8a;
  }

  /* Desktop Layout */
  .categories-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
  }

  .category-section {
      background: white;
      padding: 25px;
      margin-bottom: 25px;
      border: 1px solid #e5e7eb;
      border-radius: 4px;
  }

  .category-section-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 25px;
  }

  .category-icon {
      width: 36px;
      height: 36px;
      border-radius: 6px;
      overflow: hidden;
      background: #f5f5f5;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
  }

  .category-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
  }

  .category-icon i {
      font-size: 22px;
      color: #1e3a8a;
  }

  .category-section-header h2 {
      margin: 0;
      font-size: 15px;
      color: #333;
      font-weight: 700;
  }

  .subcategories-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 30px;
  }

  .subcategory-column {
      display: flex;
      flex-direction: column;
  }

  .subcategory-title {
      font-size: 14px;
      font-weight: 700;
      color: #333;
      margin: 0 0 12px 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
  }

  .sub-subcategories-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
  }

  .sub-subcategory-link {
      display: block;
      color: #666;
      text-decoration: none;
      padding: 4px 0;
      font-size: 13px;
      line-height: 1.4;
      transition: color 0.2s ease;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
  }

  .sub-subcategory-link:hover {
      color: #1e3a8a;
  }

  .more-dropdown {
      position: relative;
      margin-top: 5px;
  }

  .more-toggle {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #1e3a8a;
      text-decoration: none;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      padding: 5px 0;
      background: none;
      border: none;
  }

  .more-toggle:hover {
      text-decoration: underline;
  }

  .more-toggle i {
      font-size: 14px;
      transition: transform 0.2s ease;
  }

  .more-toggle.active i {
      transform: rotate(180deg);
  }

  .more-content {
      display: none;
      flex-direction: column;
      gap: 2px;
      margin-top: 2px;
      padding-top: 2px;
  }

  .more-content.show {
      display: flex;
  }

  /* Mobile Layout */
  .mobile-layout {
      display: none;
  }

  .mobile-content {
      display: flex;
      height: calc(100vh - 70px);
      background: white;
  }

  .mobile-sidebar {
      width: 100px;
      background: white;
      border-right: 1px solid #e5e7eb;
      overflow-y: auto;
      flex-shrink: 0;
  }

  .mobile-parent-item {
      padding: 20px 12px;
      cursor: pointer;
      transition: all 0.2s ease;
      border-bottom: 1px solid #e5e7eb;
      text-decoration: none;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      color: #666;
  }

  .mobile-parent-item:hover {
      background: #fafafa;
  }

  .mobile-parent-item.active {
      background: #e8eef7;
      color: #1e3a8a;
  }

  .mobile-parent-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #f5f5f5;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
  }

  .mobile-parent-item.active .mobile-parent-icon {
      background: #fff;
  }

  .mobile-parent-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
  }

  .mobile-parent-icon i {
      font-size: 20px;
      color: #666;
  }

  .mobile-parent-item.active .mobile-parent-icon i {
      color: #1e3a8a;
  }

  .mobile-parent-name {
      font-size: 11px;
      color: inherit;
      text-align: center;
      margin: 0;
      line-height: 1.2;
      font-weight: 500;
  }

  .mobile-main-content {
      flex: 1;
      overflow-y: auto;
      padding: 5px;
  }

  .mobile-subcategory-section {
      background: white;
      border-radius: 8px;
      padding: 15px;
      margin-bottom: 15px;
  }

  .mobile-subcategory-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 15px;
      padding-bottom: 10px;
      border-bottom: 1px solid #f0f0f0;
  }

  .mobile-subcategory-title {
      font-size: 15px;
      font-weight: 700;
      color: #333;
      margin: 0;
  }

  .mobile-see-all {
      color: #1e3a8a;
      text-decoration: none;
      font-weight: 600;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 2px;
  }

  .mobile-subcategory-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
  }

  .mobile-subcategory-card {
      background: white;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      padding: 12px 8px;
      text-align: center;
      text-decoration: none;
      color: inherit;
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
  }

  .mobile-subcategory-card:active {
      transform: scale(0.97);
      background: #fafafa;
  }

  .mobile-subcategory-image {
      width: 56px;
      height: 56px;
      border-radius: 8px;
      overflow: hidden;
      background: #fafafa;
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .mobile-subcategory-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
  }

  .mobile-subcategory-image i {
      font-size: 28px;
      color: #1e3a8a;
  }

  .mobile-subcategory-name {
      font-size: 11px;
      font-weight: 500;
      color: #333;
      margin: 0;
      line-height: 1.3;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      max-height: 2.6em;
  }

  .mobile-empty-state {
      text-align: center;
      padding: 60px 20px;
      color: #999;
  }

  .mobile-empty-state i {
      font-size: 48px;
      margin-bottom: 10px;
      display: block;
      color: #ccc;
  }

  .mobile-empty-state p {
      font-size: 14px;
      margin: 0;
  }

  /* Responsive */
  @media (max-width: 768px) {
      .categories-page {
          background: #f5f5f5;
      }

      .page-header {
          padding: 15px 20px;
      }

      .page-header h1 {
          font-size: 18px;
      }

      .breadcrumb {
          display: none;
      }

      .categories-container {
          display: none;
      }

      .mobile-layout {
          display: block;
      }

      .mobile-content {
          height: calc(100dvh - 175px);
      }
  }

  @media (max-width: 480px) {
      .mobile-sidebar {
          width: 85px;
      }

      .mobile-parent-item {
          padding: 15px 8px;
      }

      .mobile-parent-icon {
          width: 36px;
          height: 36px;
      }

      .mobile-parent-icon i {
          font-size: 18px;
      }

      .mobile-parent-name {
          font-size: 10px;
      }

      .mobile-main-content {
          padding: 12px;
      }

      .mobile-subcategory-section {
          padding: 12px;
          margin-bottom: 12px;
      }

      .mobile-subcategory-grid {
          grid-template-columns: repeat(3, 1fr);
          gap: 8px;
      }

      .mobile-subcategory-card {
          padding: 10px 6px;
      }

      .mobile-subcategory-image {
          width: 50px;
          height: 50px;
      }

      .mobile-subcategory-image i {
          font-size: 24px;
      }

      .mobile-subcategory-name {
          font-size: 10px;
      }
  }

  /* Desktop Responsive Grid */
  @media (min-width: 769px) and (max-width: 900px) {
      .subcategories-grid {
          grid-template-columns: repeat(4, 1fr);
          gap: 25px;
      }
  }

  @media (min-width: 901px) and (max-width: 1100px) {
      .subcategories-grid {
          grid-template-columns: repeat(4, 1fr);
          gap: 28px;
      }
  }

  @media (min-width: 1101px) and (max-width: 1300px) {
      .subcategories-grid {
          grid-template-columns: repeat(5, 1fr);
          gap: 28px;
      }
  }

  @media (min-width: 1301px) {
      .subcategories-grid {
          grid-template-columns: repeat(5, 1fr);
          gap: 30px;
      }
  }