FDshop/custom-tab-bar/index.wxss

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100rpx;
  background: white;
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 999999999999999;
}

.tab-bar-border {
  background-color: rgba(0, 0, 0, 0.33);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  transform: scaleY(0.5);
}

.tab-bar-item {
  flex: 1;
  padding: 10rpx 0;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.tab-bar-item image {
  width: 48rpx;
  height: 48rpx;
  margin-bottom: 6rpx;
  position: relative;
  z-index: 99999999;
}

.tab-bar-item view {
  font-size: 20rpx;
  position: relative;
  z-index: 99999999;
}