一定要在最外层；

  //未选中框/deep/ .el-checkbox__inner{border-color: #0862a3;}//选中框/deep/ .el-checkbox__input.is-checked .el-checkbox__inner{background-color: #0862a3;border-color: #0862a3;}//未选中框时右侧文字/deep/ .el-checkbox__label{}//选中框时右侧文字/deep/ .el-checkbox__input.is-checked+.el-checkbox__label{color: #0862a3;}