e" id="menu-control" />
  <input type="checkbox" class="hidden toggle" id="toc-control" />
  <main class="container flex">
    <aside class="book-menu">
      <div class="book-menu-content">
        
  <nav>
<h2 class="book-brand">
  <a class="flex align-center" href="/"><span>Go 语言必知必会</span>
  </a>
</h2>


<div class="book-search">
  <input type="text" id="book-search-input" placeholder="Search" aria-label="Search" maxlength="64" data-hotkeys="s/" />
  <div class="book-search-spinner hidden"><