advertisingMiniProgram/miniprogram/custom-tab-bar/index.wxss

/* custom-tab-bar/index.wxss */
.head {
  position: fixed;
  z-index: 1;
  width: 100%;
  height: 35px;
  line-height: 35px;
  background-color: #fff;
  top: 0;
  display: flex;
}

.item {
  flex: 1;
  background-color: #fff;
  text-align: center;
  box-sizing: border-box;
}

.text {
  color: #646566;
  height: 1.5em;
  line-height: 1.5em;
  font-size: 18px;
  font-weight: 600;
  display: inline-block;
}

.line {
  width: 4em;
  height: 5rpx;
  margin: -5rpx auto;
  background-color: #1989fa;
}

.act {
  color: #1989fa;
}