jhwxapp/miniprogram/pages/deepExcavation/index.wxss

/* pages/deepExcavation/index.wxss */
.van-picker__mask  {
    background-image: none !important;
  }
  .van-hairline--top-bottom:after {
    border-top: 1px solid #3a4c8b !important;
    border-bottom: 1px solid #3a4c8b !important;
  }