shiziyu18_small/lionfish_comshop/components/tabbar/index.wxss

.tabbar_box {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 899;
  width: 100%;
  height: 98rpx;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.1);
  padding-bottom: constant(safe-area-inset-bottom);
  padding-bottom: env(safe-area-inset-bottom);
}

.tabbar_box.iphoneX-height {
  padding-bottom: 48rpx;
}

.tabbar_box.pb20 {
  padding-bottom: 40rpx;
}

.tabbar_nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 20rpx;
  height: 100%;
  position: relative;
}

.tabbar_icon {
  position:relative;
  width: 56rpx;
  height: 56rpx;
}

.tabbar_icon .cart-num {
  position: absolute;
  right: -16rpx;
  top: -4rpx;
  width: 36rpx;
  height: 36rpx;
  background: #f43530;
  border-radius: 36rpx;
  color: #fff;
  font-size: 22rpx;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tabbar_icon .img {
  width: 56rpx;
  height: 56rpx;
}