* {
      box-sizing: border-box;
      caret-color: transparent;
    }

    body {
      margin: 0;
      font-family: 'Inter', sans-serif;
      background-color: #fff;
      color: #222;
    }

    /* Header */
    header {
      background: #fff;
      border-bottom: 1px solid #ddd;
      padding: 1rem 1rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .logo {
      display: flex;
      align-items: center;
      font-size: 1.7rem;
      font-weight: 600;
      color: #222;
    }

    .logo-img {
      height: 30px;
      margin-right: 0.5rem;
      margin-bottom: 0.5rem;
    }

    nav {
      display: flex;
      justify-content: center;
      flex: 1 1 100%;
      gap: 4rem;
      margin-bottom: 1rem;
      margin-top: 1rem;
    }

    nav a {
      color: #333;
      text-decoration: none;
      font-weight: 500;
    }

    nav a:hover {
      color: #0056d2;
    }

    /* Page Header */
    .page-header {
      padding: 2rem;
      max-width: 1200px;
      margin: auto;
    }

    .page-header h1 {
      font-size: 2rem;
      margin-bottom: 0.5rem;
    }

    .page-header p {
      color: #666;
      margin-bottom: 1.5rem;
    }

    .tabs a {
      margin-right: 1.5rem;
      text-decoration: none;
      font-weight: 600;
      color: #000;
      padding-bottom: 0.25rem;
    }

    .tabs .active {
      border-bottom: 2px solid #000;
    }

    /* Categories */
    .category-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2rem;
      max-width: 1200px;
      margin: auto;
      padding: 0 2rem 4rem;
    }

    .category-block h2 {
      font-size: 1.1rem;
      margin-bottom: 0.5rem;
    }

    .category-block ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .category-block li {
      margin: 0.4rem 0;
    }

    .category-block a {
      color: #333;
      text-decoration: none;
      font-size: 0.95rem;
    }

    .category-block a:hover {
      text-decoration: underline;
    }

    /* Footer */
    footer {
      background: #f9f9f9;
      padding: 2rem;
      font-size: 0.85rem;
      border-top: 1px solid #eee;
    }

    .footer-container {
      max-width: 1200px;
      margin: auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 2rem;
    }

    .footer-section h4 {
      font-weight: 600;
      margin-bottom: 0.8rem;
    }

    .footer-section ul {
      list-style: none;
      padding: 0;
    }

    .footer-section li {
      margin: 0.3rem 0;
    }

    .footer-section a {
      text-decoration: none;
      color: #444;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 2rem;
      color: #888;
    }

    @media (max-width: 768px) {
      header {
        flex-direction: column;
        align-items: stretch;
      }

      .search-bar {
        flex-direction: row;
        width: 100%;
        margin-top: 1rem;
      }

      nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
        width: 100%;
        margin-bottom: 1rem;
      }

      .menu-bar {
        flex-direction: column;
        gap: 1rem;
      }

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

    @media (max-width: 480px) {
      .category-container {
        grid-template-columns: 1fr;
      }
    }