CSS中nth-child 选择除最后两个之外的子元素li:nth-last-child(n+3) { margin-bottom: 16px; } 版权声明:本文为u011523953原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。原文链接:https://blog.csdn.net/u011523953/article/details/128624519