body {
      font-family: Arial, sans-serif;
      margin: 0;
      background:black;
      color: white;
    }
    .container {
      max-width: 900px;
      margin: 40px auto;
      padding: 20px;
      background: black;
      border-radius: 14px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    }
    h1 {
      font-size: 28px;
      margin-bottom: 10px;
    }
    p {
      line-height: 1.6;
      margin: 10px 0;
    }
    h2 {
      margin-top: 24px;
      font-size: 22px;
    }
    ul {
      margin: 10px 0 20px 20px;
    }
    li {
      margin-bottom: 8px;
    }
    footer {
      margin-top: 30px;
      text-align: center;
      font-size: 14px;
      color: #6b7280;
    }