{{if or (eq .Type "category") (eq .Type "article") (eq .Type "page")}}
  {{if .Nav}}
  <nav class="breadcrumb" aria-label="面包屑">
    <a href="/">首页</a>
    {{range .Nav}}<span aria-hidden="true">/</span><a href="{{.URL}}">{{.Name}}</a>{{end}}
  </nav>
  {{end}}
{{end}}