kmall-pt/wx-mall/pages/store/store.wxss

page ,.container{
    height: 100%;
    overflow: hidden;
    background: #f4f4f4;
}

.store-header{
  height: 90rpx;
  background-color: #fff;
  display: flex;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 501;
}

.store-tag{
  position: relative;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid rgb(231, 231, 231);
  background-color: rgb(244, 244, 244);
  color: rgb(102, 102, 102);
  font-size: .9em;
  margin-left: 10px
}

.store-tag.arrow{
  padding: 5px 18px 5px 13px;
}

.store-tag.selected{
  border: 1px solid rgb(253, 118, 34);
  background-color: rgb(255, 245, 239);
  color: rgb(238, 103, 35);
}

.store-tag.arrow::after{
  right: 5px;
  border-color: rgb(102, 102, 102);
  border-width: 1px 1px 0 0;
}

.store-tag.selected.arrow::after{
  right: 5px;
  border-color: rgb(238, 103, 35);
  border-width: 1px 1px 0 0;
}
.topic-list {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  padding-top: 90rpx;
  box-sizing: border-box;
  z-index: 500;
}