body {
      font-family: Arial, sans-serif;
      font-size: 18px;
      line-height: 1.7;
      color: #222;
      margin: 40px;
    }
    h1 {
      font-size: 36px;
      color: #003366;
      margin-top: 40px;
      margin-bottom: 20px;
    }
    p {
      margin-bottom: 20px;
    }
    ul {
      margin-bottom: 20px;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      margin: 30px 0;
      font-size: 18px;
    }
    th, td {
      border: 1px solid #ccc;
      padding: 14px 18px;
      text-align: left;
    }
    th {
      background-color: #002b5c;
      color: #fff;
    }
    tr:nth-child(even) {
      background-color: #d6e4f0; /* 浅蓝色 */
    }
    tr:nth-child(odd) {
      background-color: #f4f8fb; /* 更浅的背景 */
    }