4. SEO: add `h1`-`h2` switcher in `post-collapse`.
4. SEO: add `h1`-`h2` switcher in `post-collapse`.
chaoskyme/hexo-theme-next,mchsinx/hexo-theme-next,Austaras/hexo-theme-next,iissnan/hexo-theme-next,chaoskyme/hexo-theme-next,cragod/hexo-theme-next,geekrainy/hexo-theme-next,ganyuanda/hexo-theme-next,FluencyLiu/hexo-theme-next