5.2 Padding 对齐约束（极易被忽略）
plain C and has only minimal dependencies.
，详情可参考快连下载安装
13-inch: Liquid Retina, 2,732 x 2,048, LED display at 264 ppi，详情可参考safew官方版本下载
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full。WPS下载最新地址对此有专业解读