body {
      margin: 0;
      font-family: Inter, sans-serif;
      background: #f9fafb;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #333;
      padding: 2rem 1rem;
      box-sizing: border-box;
    }
    .container {
      text-align: center;
      max-width: 720px;
      width: 100%;
    }
    .logo {
      height: 40px;
      margin-bottom: 16px;
    }
    h1 {
      font-size: 28px;
      margin: 0 0 8px;
    }
    .subtitle {
      font-size: 16px;
      color: #666;
      margin: 0 0 32px;
    }
    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 16px;
      margin-bottom: 32px;
    }
    .card {
      display: block;
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 12px;
      padding: 20px;
      text-align: left;
      text-decoration: none;
      color: inherit;
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }
    .card:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transform: translateY(-2px);
    }
    .card h2 {
      font-size: 17px;
      margin: 0 0 6px;
      color: #0066ff;
    }
    .card p {
      font-size: 14px;
      margin: 0;
      color: #555;
    }
    .contact {
      font-size: 15px;
      color: #444;
    }
    .contact a {
      color: #0066ff;
      text-decoration: none;
    }
    .contact a:hover {
      text-decoration: underline;
    }
    .contact p {
      margin: 6px 0;
    }