<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="{{ page.description | default: site.description | smartify }}">
<meta name="author" content="{{ site.authors }}">
<meta name="generator" content="Jekyll v{{ jekyll.version }}">
<meta name="keywords" content="{{ site.keywords }}">

<meta name="docsearch:language" content="en">

<title>
  {%- if page.title -%}
    {{ page.title | smartify }} · {{ site.title | smartify }}
  {%- else -%}
    {{ site.title | smartify }} · {{ site.description | smartify }}
  {%- endif -%}
</title>

{% include stylesheet.html %}
{% include favicons.html %}

<script type="text/javascript">
  if (window !== top) // 判断当前的 window 对象是否是 top 对象
    top.location.href = window.location.href // 如果不是，将 top 对象的网址自动导向被嵌入网页的网址
</script>
