使用/deep/进行穿透处理
<el-form>
<el-form-item label="活动区域">
<el-input v-model=""></el-input>
</el-form-item>
</el-form>
<style scoped>
.el-forml /deep/ .el-form-item__label{
color: red;
}
</style>标签：el,form,elementui,deep,label,item From： https://www.cnblogs.com/jingxin01/p/17114536.html