这通常是个很糟糕的书写方式，它只能改变当前标签的样式，如果想要多个
拥有相同的样式，你不得不重复地为每个
添加相同的样式，如果想要修改一种样式，又不得不修改所有的 style 中的代码。很显然，内联方式引入 CSS 代码会导致 HTML 代码变得冗长，且使得网页难以维护
https://m.xiami.com/collect/1239231614
https://m.xiami.com/collect/1239243283
https://m.xiami.com/collect/1239236587
https://m.xiami.com/collect/1239243263
https://m.xiami.com/collect/1239231614
https://m.xiami.com/collect/1239243283
https://m.xiami.com/collect/1239236587
https://m.xiami.com/collect/1239243263
https://m.xiami.com/collect/1239231614
https://m.xiami.com/collect/1239243283
https://m.xiami.com/collect/1239236587
https://m.xiami.com/collect/1239243263
https://m.xiami.com/collect/1239231614
https://m.xiami.com/collect/1239243283
https://m.xiami.com/collect/1239236587
https://m.xiami.com/collect/1239243263
https://m.xiami.com/collect/1239231614
https://m.xiami.com/collect/1239243283
https://m.xiami.com/collect/1239236587
https://m.xiami.com/collect/1239243263