/deep/.modifycollapse{

 .el-collapse-item__header{
    margin-bottom: 10px;
    background: #F3F4F7;
   border: 1px solid #D9D9D9;
   border-radius: 4px;
   font-size: 16px;
   font-family: PingFangSC-Medium, PingFang SC;
   font-weight: 500;
   color: #333333;
   line-height: 18px;

  }
  .el-collapse-item__header::before{
    content: "";
    margin-left: 10px;
    margin-right: 10px;
    width: 4px;
    height: 18px;
    background: #2B7FF1;
  }
  .el-collapse-item__arrow{
    color: #979797 ;
    margin-left: 10px;
  }


}