anchor.diff:            each item, index in basics
               li(class="nav-list-item #{item.class}"): a(href="#{item.href}" title="#{item.tooltip}") #{index + 1}. #{item.navTitle}
       li.sidenav-section.no-border
  -      a(class="nav-title #{isApiReferenceSelected()}" href="#{reference[0].href}" title="#{reference[0].tooltip}") API Reference
         a(class="nav-title #{isApiReferenceSelected()}" href="#{reference[0].href}" title="#{reference[0].tooltip}") API参考手册
   
       // ADVANCED DOCUMENATION
       li.sidenav-section-divider
  -      h3 Additional Documentation
         h3 附加文档
   
       li.sidenav-section
  -      a(class="nav-title is-parent #{anyItemSelected(tutorial)}" href="#{tutorial[0].href}" title="#{tutorial[0].tooltip}") Tutorial
  -        img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
         a(class="nav-title is-parent #{anyItemSelected(tutorial)}" href="#{tutorial[0].href}" title="#{tutorial[0].tooltip}") 教程
           img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
         .nav-ordered-lists(class="#{isCollapsed(anyItemSelected(tutorial))}")
  
positive.code:               a.translated-cn(href="#{item.href}" title="#{item.tooltip}") #{item.navTitle}
  
      li.sidenav-section
        a(class="nav-title is-parent #{anyItemSelected(cookbook)}" href="#{cookbook[0].href}" title="#{cookbook[0].tooltip}") Cookbook
          img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
        a(class="nav-title is-parent #{anyItemSelected(cookbook)}" href="#{cookbook[0].href}" title="#{cookbook[0].tooltip}") 烹饪宝典
          img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
  
  
negative.code: 
    ul(class="sidenav-links")
      li.sidenav-section.no-border
        a(class="nav-title" href="/docs/#{current.path[1]}/latest/") 文档首页
  
      // CORE DOCUMENTATION
      li.sidenav-section-divider
        h3 核心文档
  
      li.sidenav-section
        a(class="nav-title #{isQuickstartSelected(cur)}" href="#{qs.href}" title="#{qs.tooltip}") 快速起步
  
  
      li.sidenav-section
        a(class="nav-title is-parent #{anyItemSelected(basics)}" href="#{basics[0].href}" title="#{basics[0].tooltip}") 开发指南
          img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
  
  