纯css瀑布流

效果图：

.lists {
        column-count: 2; /*一排两行*/
        column-gap: 20rpx; /*间距*/
}

.list {
        width: 100%;
        break-inside: avoid;/*元素不能中断*/
        margin-bottom: 34rpx; 
        border-radius: 10rpx;
        overflow: hidden;
        background-color: #fff;
        box-shadow: 0 4px 4px #aac2a930,
                0 4px 4px #aac2a930,
                0 8px 8px #aac2a930,
                0 8px 8px #aac2a930; 
}