if is_home()
  - var top_img = theme.index_img || theme.default_top_img
else if is_post()
  - var top_img = page.top_img || page.cover || page.randomcover || theme.default_top_img
else if is_archive()
  - var top_img = theme.archive_img || theme.default_top_img
else if is_tag()
  - var top_img = theme.tag_img || theme.default_top_img
else if is_category()
  - var top_img = theme.category_img || theme.default_top_img
else
  - var top_img = page.top_img || theme.default_top_img

if theme.douban
  if is_current('/movies/', [strict])
    - var top_img = theme.douban.movies_img || theme.default_top_img
  else if is_current('/books/', [strict])
    - var top_img = theme.douban.books_img || theme.default_top_img
  else if is_current('/games/', [strict])
    - var top_img = theme.douban.games_img || theme.default_top_img

- var bg_img = top_img && top_img !== true ? `background-image: url(${url_for(top_img)})` : ''
- var site_title = is_archive() ? _p('page.archives') : page.title || page.tag || page.category || config.title
- var isHomeClass = is_home() ? 'full_page' : 'not-index-bg'
- is_post() ? isHomeClass = 'post-bg' : isHomeClass

#nav(class=isHomeClass style=bg_img)
  !=partial('includes/header/header', {}, {cache:theme.fragment_cache})
  if is_home()
    #site-info
      h1#site_title=site_title
      #site_subtitle
        span#subtitle
      if(theme.social)
        #site_social_icons
          !=fragment_cache('social', function(){return partial('includes/header/social')})
    #scroll_down
      i.fa.fa-angle-down.scroll-down-effects
  else if is_post()
    include ./post-info.pug 
  else
    #page_site-info
      h1#site_title=site_title