* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: "微软雅黑", Arial, sans-serif;
    font-size: 14px;
    color: #333;
  }
  a {
    text-decoration: none;
    color: #333;
  }
  ul,
  ol {
    list-style: none;
  }
  img {
    border: none;
  }
  input,
  button {
    outline: none;
  }