.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 98rpx;
  background: white;
  display: flex;
 
  box-shadow: 0px 6rpx 18rpx 0px rgba(216,216,216,0.66);
}

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

.tab-bar-item image {
  width: 54rpx;
  height: 54rpx;
}
.tab-bar-item image.bigicon{
    width: 70rpx;
    height: 70rpx;
}
.tab-bar-item view {
  font-size: 22rpx;
  color:#999999
}