/* 问题区 */
<template>
    <div class='problem-area'>
        <el-card class="box-card" style="height: 91vh">
            <template #header>
                <div class="card-header">
                    <span>问题区</span>
                    <el-button class="button" type="text">操作按钮</el-button>
                </div>
            </template>
            <div v-for="o in 4" :key="o" class="text item">
                {{'列表内容 ' + o }}
            </div>
        </el-card>
    </div>
</template>

<style scoped>
    .problem-area {
        height: 91vh;
        background-color: blue;
    }
</style>
