type为date的样式

  <el-date-picker :key="num1" v-model='queryParams.timerange'
                  type='date' style='width:130px'
                 placeholder='请选择日期' 
                 :append-to-body='fullscreen' 
                 :popper-class="'datestyle_' + curtheme"
                 @change='changeBystart'>
  </el-date-picker>

<style lang='less' type='text/less'>
.datestyle_dark{
  border: solid 1px;
  background-color: #023c50 !important;
  color:#39fcff !important;
  border: 1px solid #263b71  !important;
  //图标颜色
  .el-picker-panel__icon-btn{
    font-size: 12px;
    color: #39fcff  !important;
    border: 0;
    background: transparent;
    cursor: pointer;
    outline: none;
    margin-top: 8px;
  }
  //日期文字颜色：周一、周二的样式
  .el-date-table th {
    padding: 5px;
    color: #39fcff !important;
    font-weight: 400;
    border-bottom: solid 1px #39fcff  !important;
  }
  //头部标题：2024年3月
  .el-date-picker__header-label {
    color: #fff !important;
    font-size: 14px;
  }
  .el-date-table td.available div {
    color: #eaf5f2;
  }
  //鼠标悬浮上的样式
  .el-date-table td.available:hover{
    color: #ffffff !important;
    span{
      border-radius: 50%;
      background-color: #39fcff !important;
    }
  }
  .el-date-table td.next-month, .el-date-table td.prev-month {
    color: #255687;
  }
  .el-date-table td.disabled div {
    background-color: #023c50;
    opacity: 1;
    cursor: not-allowed;
    color: #c8d4ec;
  }
  .el-picker-panel__body-wrapper{
    border: 1px solid #025772;
  }
  .el-date-range-picker__content .el-date-range-picker__header div {
    margin-left: 50px;
    margin-right: 50px;
    color: #fff;
  }
}

</style>

效果图