body { font-family: Arial, sans-serif; max-width: 900px; margin: auto; padding: 20px; line-height: 1.6; color: #333; background-color: #fff; }
    h1, h2, h3 { color: #2a7de1; }
    ul { padding-left: 20px; }
    a { color: #2a7de1; text-decoration: none; }
    a:hover { text-decoration: underline; }
    .cta {
      background: #f1f8ff;
      padding: 20px;
      margin-top: 30px;
      border-left: 5px solid #2a7de1;
    }