.content{
  width:1200px;
  margin:0 auto;
}
 .content header{
  display: flex;
  font-size:14px;
  line-height: 60px;
  }
  .content header span{
    margin-right: 20px;
    cursor: pointer;
  }
   .content .health{
    display:none;
  }
  .content .envi>a, .content .health>a{
    text-decoration: none;
    border-bottom:1px dashed #e5e5e5;
    display:flex;
    justify-content:space-between;
    height:50px;
    line-height: 50px;
    font-size: 14px;
    color: #666;
  }
  .content .envi>a:hover, .content .health>a:hover{
    color: #c40000;
  }