显示：
实现：
<view style="width: 100%;height: 500rpx; display: flex; justify-content:space-evenly;align-items: center; ">
<view style="width: 200rpx;height:100rpx;background-color: aqua; display: flex; align-items: center; justify-content: center;box-shadow: 0 0 10px darkgray">元素1</view>
<view style="width: 200rpx;height:100rpx; background-color:yellow; display: flex; align-items: center; justify-content: center;">元素2</view>
</view>关键代码：center;box-shadow: 0 0 10px darkgray
