body {
      font-family: Arial, sans-serif;
      margin: 0; padding: 0;
      background: #f5f5f5;
    }
    header, footer {
      background: #003366;
      color: white;
      padding: 1rem;
      text-align: center;
    }
    nav a {
      color: white;
      margin: 0 10px;
      text-decoration: none;
      font-weight: bold;
    }
    .container {
      max-width: 960px;
      margin: 2rem auto;
      padding: 1rem;
      background: white;
      border-radius: 8px;
    }
    h1, h2 {
      color: #003366;
    }
    .card {
      border: 1px solid #ccc;
      padding: 1rem;
      margin-bottom: 1rem;
      border-radius: 5px;
      background: #fafafa;
    }
    .section-title {
      margin-top: 2rem;
      border-bottom: 2px solid #003366;
      padding-bottom: 0.5rem;
    }