body{
    background-color: white;
  }
  .mian{
    /* width: 323px; */
    margin: 0 auto;
    width: 94%;
  
  }
  .message_title{
    font-weight: 900;
    font-family: PingFangSC-Regular;
      font-size: 18px;
      color: #333333;
      line-height: 27px;
  }
  .flex-container {
    display: -webkit-flex;
    display: flex;
    justify-content:space-between;
  }
  .flex-item {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #999999;
  }
  .body-test{
      font-family: PingFangSC-Regular;
      font-size: 16px;
      color: #333333;
      line-height: 27px;
  }
  .mt3{
    margin-top: 20px;
  }