在.vue文件里使用less，使用extend继承的样式没有生效？

Question

<style lang="less" scoped>
@import "../../../assets/styles/varibles.less";
.header {****
  .header-content {
    width: 7.3rem;
    height: 1.6rem;
    margin: 0 auto;
    margin-bottom: -1rem; 
    background: @bgc-yellow;
    display: flex;
    
    .header-left {
      width: 1.58rem;
      height: 100%;
      font-size: 0.8rem;
      text-align: center;
      color: #fff;
      float: left;
    }
    .header-search {
      flex: 1;
      background-color: #fff;
      border-radius: 0.8rem;
      height: 0.62rem;
      font-size: .28rem ;
      line-height: .62rem;
      float: left;
      white-space: nowrap;
      padding-left: 0.15rem;
    }
    .header-right:extend(.header-left) {
      width: 0.8rem;
      float: right;
    }
  }
}
</style>

Answer 1

是不是样式冲突了，导致你继承看上去没生效