<meta property="twitter:site" content="@{{ . }}">
<meta property="twitter:creator" content="@{{ . }}">
{{ end }}

<!--default sharing image-->
{{- $site_card := printf "%s" site.Params.sharing_image | absURL }}

<!--descriptions-->
{{ $desc := "" }}
{{/* Generate page description. */}}
  {{ if .Params.description }}
    {{ $desc = .Params.description }}
  {{ else if .Params.subtitle }}
    {{ $desc = .Params.subtitle }}
  {{ else if .Params.excerpt }}
    {{ $desc = .Params.excerpt }}
  {{ else }}
    {{ $d