CSS 一个样式问题

Question

为什么两张图片不显示，left样式没有宽度，父级有宽度，子级的30%没有，
什么问题

<template>
  <div class="store-info" v-if="storeInfo">
    <div class="left">
      <img :src="img_url" class="left-img" />
    </div>
    <div class="right">
      <div class="store-name">
        <div class="name">{{ storeInfo.name }}</div>
        <div class="insurance">
          <span class="insurance-span" v-for="item in storeInfo.supports" :key="item.id">{{
            item.icon_name
          }}</span>
        </div>
      </div>
      <div class="score-distance">
        <div class="score-wrap">
          <div class="score">{{ storeInfo.rating }}<span class="score-span">分</span></div>
          <div class="sales">月售{{ storeInfo.recent_order_num }}</div>
        </div>
        <div class="distance-wrap">
          <div class="time">{{ storeInfo.order_lead_time }}</div>
          <div class="distance">{{ storeInfo.distance }}</div>
        </div>
      </div>
      <div class="shipping-info">
        <div class="price-wrap">
          <div class="send-price">起送 ¥{{ storeInfo.float_minimum_order_amount }}</div>
          <div class="freight">配送费 ¥{{ storeInfo.float_delivery_fee }}</div>
        </div>
        <div class="staff-wrap">
          <div class="staff">{{ storeInfo.delivery_mode.text }}</div>
          <div class="punctuality">{{ storeInfo.supports[1].name }}</div>
        </div>
      </div>
      <div class="evaluation-wrap">
        <span class="evaluation">{{ evaluation }}</span>
      </div>
    </div>
  </div>
</template>

<style lang="less" scoped>
.store-info {
  display: flex;
  height: 100px;
  padding: 10px;
  margin: 0 10px 10px;
  background-color: #fff;
  border-radius: 10px;
  .left {
    width: 30%;
    height: 100%;
    overflow: hidden;
    border-radius: 10px;
    margin-right: 10px;
    .left-img {
      display: flex;
      width: 100%;
      height: 100%;
    }
  }
  .right {
    flex: 70%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    .store-name {
      display: flex;
      justify-content: space-between;
      .name {
        color: rgb(0, 0, 0);
        font-size: 15px;
        font-weight: 600;
        width: 50%;

        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .insurance {
        color: #666;
        font-size: 12px;

        .insurance-span {
          border: 1px solid rgba(151, 151, 151, 0.2);
          margin-right: 5px;
        }
      }
    }
    .score-distance {
      display: flex;
      justify-content: space-between;
      align-items: center;
      .score-wrap {
        display: flex;
        align-items: center;
      }
      .score {
        color: rgb(230, 98, 22);
        font-weight: bold;
        font-size: 16px;
        margin-right: 10px;
        .score-span {
          padding-left: 3px;
          font-size: 12px;
        }
      }
      .score-wrap,
      .distance-wrap {
        font-size: 12px;
        color: #666;
      }
      .time {
        margin-bottom: 3px;
      }
    }
    .shipping-info {
      font-size: 13px;
      color: #666;

      display: flex;
      align-items: center;
      justify-content: space-between;
      .price-wrap {
        display: flex;
        align-items: center;
        .send-price {
          margin-right: 10px;
        }
        .freight {
          color: rgb(66, 66, 66);
        }
      }
      .staff-wrap {
        display: flex;
        font-size: 10px;
        .staff {
          background-color: #3190e8;
          color: #fff;
          border: 1px solid #3190e8;
          margin-right: 3px;
        }
        .punctuality {
          color: #3190e8;
          border: 1px solid #3190e8;
        }
      }
    }
    .evaluation {
      line-height: 20px;
      background-color: rgba(230, 98, 22, 0.1);
      color: #e66216;

      font-size: 14px;
      padding: 6px;
      border-radius: 5px;
    }
  }
}
</style>

Answer 1

把right的样式也贴出来，猜测是flex使用不当导致的