css3：悬浮阴影filter: blur(10px)；

.share{
    
    
	width: 686rpx;
	margin: 46rpx auto 32rpx;
	position: relative;
	.content{
    
    
		width: 686rpx;
		height: 124rpx;
		background: #252F4A;
		border-radius: 16rpx;
		position: relative;
		z-index: 2;
		margin: auto;
	}
	.bg{
    
    
		width: 662rpx;
		height: 34rpx;
		background: #8D94A7;
		filter: blur(10px);
		position: absolute;
		left: 12rpx;
		bottom: -24rpx;
		z-index: 1;
	}
}