.concat_box {
  width: 96rpx;
  height: 210rpx;
  position: fixed;
  right: -24rpx;
  bottom: 100rpx;
}

.item {
  width: 60rpx;
  height: 60rpx;
  padding: 0;
  border: none !important;
  margin: 0 !important;
}

.item:first-child {
  margin-bottom: 30rpx !important;
}

.item image {
  width: 100%;
  height: 100%;
}