body {
      margin: 0;
      padding: 0;
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
      background: #f4f6f9;
      color: #333;
      line-height: 1.6;
    }

    header {
      background: linear-gradient(135deg, #4b79a1, #283e51);
      padding: 40px 20px;
      text-align: center;
      color: white;
    }

    header h1 {
      margin: 0;
      font-size: 2.2rem;
      font-weight: 600;
    }

    main {
      max-width: 900px;
      margin: 40px auto;
      background: white;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    h2 {
      color: #283e51;
      margin-top: 25px;
    }

    p {
      margin: 10px 0 20px;
    }

    footer {
      text-align: center;
      padding: 20px;
      font-size: 0.9rem;
      color: #555;
    }