elementUI单选框按钮样式修改问题，elementUI的el-radio-button自带的样式无法满足业务需求，所以直接对组件进行了二次封装，最后完成了业务。

<template>
    <div>
        <el-row class="ml-row">
            全部地区：
            <el-radio-group v-model="radio1" @change="getValue()">
                <el-radio-button class="ml-top-button" :label="1" plain>全部</el-radio-button>
                <el-radio-button class="ml-top-button" :label="2">内地</el-radio-button>
                <el-radio-button class="ml-top-button" :label="3">韩剧</el-radio-button>
            </el-radio-group>
        </el-row>
        <el-row class="ml-row">
            全部年份：
            <el-radio-group v-model="radio2" @change="getValue()">
                <el-radio-button class="ml-top-button" :label="1" plain>全部</el-radio-button>
                <el-radio-button class="ml-top-button" :label="2">2022</el-radio-button>
                <el-radio-button class="ml-top-button" :label="3">2021</el-radio-button>
            </el-radio-group>
        </el-row>
        <el-row class="ml-row">
            全部资费：
            <el-radio-group v-model="radio3" @change="getValue()">
                <el-radio-button class="ml-top-button" :label="1" plain>全部</el-radio-button>
                <el-radio-button class="ml-top-button" :label="2">免费</el-radio-button>
                <el-radio-button class="ml-top-button" :label="3">付费</el-radio-button>
            </el-radio-group>
        </el-row>
    </div>
</template>

<script>
export default {
    data () {
        return {
            radio1: 1,
            radio2: 1,
            radio3: 1,
        }
    },
    methods: {
        getValue () {
            console.log(this.radio);
        },
    }

};
</script>

<style lang="scss">
.ml-row {
    margin-bottom: 5px;
}

.el-radio-button__inner {
    // width: 82px;
    height: 36px;
    border-radius: 4px 0px 0px 4px;
    border: 1px solid rgba(0, 0, 0, 0) !important;
    border-radius: 2px !important;
    background-color: rgba(0, 0, 0, 0);
    font-size: 14px;
    font-weight: 400;
    color: #606677;
    line-height: 14px;
    outline: none;
    box-shadow: none;
}

.el-radio-button__orig-radio:checked+.el-radio-button__inner {
    background: rgba(0, 0, 0, 0);
    border: 1px solid #3E7BFA !important;
    color: #3E7BFA;
    line-height: 14px;
    outline: none;
    box-shadow: none;
}

.ml-top-button {
    border-color: #ffffff;
    background: rgba(0, 0, 0, 0);
    font-size: 16px;
    margin: 0 10px 0 10px;
}
</style>