<!DOCTYPE HTML>
<html lang="{{ language }}" class="sidebar-visible no-js {{ default_theme }}">
  <head>
    <!-- Book generated using mdBook -->
    <meta charset="UTF-8">
    <title>{{ title }}</title>
    {{#if is_print }}
    <meta name="robots" content="noindex" />
    {{/if}}
    {{#if base_url}}
    <base href="{{ base_url }}">
    {{/if}}


    <!-- Custom HTML head -->
    {{> head}}

    <meta name="description" content="{{ description }}">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="theme-color" content="#ffffff" />

    {{#if favicon_svg}}
    <link rel="icon" href="{{ path_to_root }}favicon.svg">
    {{/if}}
    {{#if favicon_png}}
    <link rel="shortcut icon" href="{{ path_to_root }}favicon.png">
    {{/if}}
    <link rel="stylesheet" href="{{ path_to_root }}css/variables.css">
    <link rel="stylesheet" href="{{ path_to_root }}css/general.css">
    <link rel="stylesheet" href="{{ path_to_root }}css/chrome.css">
    {{#if print_enable}}
    <link rel="stylesheet" href="{{ path_to_root }}css/print.css" media="print">
    {{/if}}

    <!-- Fonts -->
    <link rel="stylesheet" href="{{ path_to_root }}FontAwesome/css/font-awesome.css">
    {{#if copy_fonts}}
    <link rel="stylesheet" href="{{ path_to_root }}fonts/fonts.css">
    {{/if}}

    <link rel="prefetch" href="{{ path_to_root }}images/alipay-laxers.jpeg" />
    <link rel="prefetch" href="{{ path_to_root }}images/wechat-pay-hector.jpeg" />

    <!-- Highlight.js Stylesheets -->
    <link rel="stylesheet" href="{{ path_to_root }}highlight.css">
    <link rel="stylesheet" href="{{ path_to_root }}tomorrow-night.css">
    <link rel="stylesheet" href="{{ path_to_root }}ayu-highlight.css">

    <!-- Custom theme stylesheets -->
    {{#each additional_css}}
    <link rel="stylesheet" href="{{ ../path_to_root }}{{ this }}">
    {{/each}}

    {{#if mathjax_support}}
    <!-- MathJax -->
    <script async src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
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    <style type="text/css">
        a.button {
                color:white;
              font-family:Helvetica, sans-serif;
              font-weight:bold;
              font-size:12px;
              text-align: center;
              text-decoration:none;
              background-color:#FFA12B;
              display:inline-block;
              position:relative;
              padding:5px 10px;

              -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
              text-shadow: 0px 1px 0px #000;
              filter: dropshadow(color=#000, offx=0px, offy=1px);

              -webkit-box-shadow:inset 0 1px 0 #FFE5C4, 0 2px 0 #915100;
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              box-shadow:inset 0 1px 0 #FFE5C4, 0 2px 0 #915100;

              -webkit-border-radius: 5px;
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              border-radius: 5px;
        }
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      <!-- Work around some values being stored in localStorage wrapped in quotes -->
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        html.classList.add("sidebar-" + sidebar);
      </script>

      <nav id="sidebar" class="sidebar" aria-label="Table of contents">
        <div class="sidebar-scrollbox">
          {{#toc}}{{/toc}}
        </div>
        <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
      </nav>

      <div id="page-wrapper" class="page-wrapper">

        <div class="page">
          {{> header}}
          <div id="menu-bar-hover-placeholder"></div>
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              <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
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                <i class="fa fa-search"></i>
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            <h3 class="menu-title">{{ book_title }}</h3>

            <div class="right-buttons">
              {{#if print_enable}}
              <a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
                <i id="print-button" class="fa fa-print"></i>
              </a>
              {{/if}}
              {{#if git_repository_url}}
              <a href="{{git_repository_url}}" title="Git repository" aria-label="Git repository">
                <i id="git-repository-button" class="fa {{git_repository_icon}}"></i>
              </a>
              {{/if}}
              {{#if git_repository_edit_url}}
              <a href="{{git_repository_edit_url}}" title="Suggest an edit" aria-label="Suggest an edit">
                <i id="git-edit-button" class="fa fa-edit"></i>
              </a>
              {{/if}}
                <button class="open-button">打 赏 💰</button>
            </div>
          </div>

          {{#if search_enabled}}
          <div id="search-wrapper" class="hidden">
            <form id="searchbar-outer" class="searchbar-outer">
              <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
            </form>
            <div id="searchresults-outer" class="searchresults-outer hidden">
              <div id="searchresults-header" class="searchresults-header"></div>
              <ul id="searchresults">
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            </div>
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          {{/if}}

          <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
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            document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
            Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
                          link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
                        });
          </script>

          <div id="content" class="content">
            <main><div class="sidetoc"><nav class="pagetoc"></nav></div>
              {{{ content }}}
            </main>

            <nav class="nav-wrapper" aria-label="Page navigation">
              <!-- Mobile navigation buttons -->
              {{#previous}}
              <a rel="prev" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
                <i class="fa fa-angle-left"></i>
              </a>
              {{/previous}}

              {{#next}}
              <a rel="next" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
                <i class="fa fa-angle-right"></i>
              </a>
              {{/next}}

              <div style="clear: both"></div>
            </nav>
          </div>
        </div>

        <nav class="nav-wide-wrapper" aria-label="Page navigation">
          {{#previous}}
          <a rel="prev" href="{{ path_to_root }}{{link}}" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
            <i class="fa fa-angle-left"></i>
          </a>
          {{/previous}}

          {{#next}}
          <a rel="next" href="{{ path_to_root }}{{link}}" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
            <i class="fa fa-angle-right"></i>
          </a>
          {{/next}}
        </nav>

      </div>

      {{#if live_reload_endpoint}}
      <!-- Livereload script (if served using the cli tool) -->
      <script>
        const wsProtocol = location.protocol === 'https:' ? 'wss:' : 'ws:';
        const wsAddress = wsProtocol + "//" + location.host + "/" + "{{{live_reload_endpoint}}}";
        const socket = new WebSocket(wsAddress);
        socket.onmessage = function (event) {
                  if (event.data === "reload") {
                            socket.close();
                            location.reload();
                          }
                };

        window.onbeforeunload = function() {
                  socket.close();
                }
      </script>
      {{/if}}

      {{#if playground_line_numbers}}
      <script>
        window.playground_line_numbers = true;
      </script>
      {{/if}}

      {{#if playground_copyable}}
      <script>
        window.playground_copyable = true;
      </script>
      {{/if}}

      {{#if playground_js}}
      <script src="{{ path_to_root }}ace.js"></script>
      <script src="{{ path_to_root }}editor.js"></script>
      <script src="{{ path_to_root }}mode-rust.js"></script>
      <script src="{{ path_to_root }}theme-dawn.js"></script>
      <script src="{{ path_to_root }}theme-tomorrow_night.js"></script>
      {{/if}}

      {{#if search_js}}
      <script src="{{ path_to_root }}elasticlunr.min.js"></script>
      <script src="{{ path_to_root }}mark.min.js"></script>
      <script src="{{ path_to_root }}searcher.js"></script>
      {{/if}}

      <script src="{{ path_to_root }}clipboard.min.js"></script>
      <script src="{{ path_to_root }}highlight.js"></script>
      <script src="{{ path_to_root }}book.js"></script>
      <script src="{{ path_to_root }}theme/groovy.min.js"></script>
    <!--Enable new hljs language mode.-->
      <script>hljs.initHighlightingOnLoad();</script>

      <!-- Custom JS scripts -->
      {{#each additional_js}}
      <script src="{{ ../path_to_root }}{{this}}"></script>
      {{/each}}

      {{#if is_print}}
      {{#if mathjax_support}}
      <script>
        window.addEventListener('load', function() {
                  MathJax.Hub.Register.StartupHook('End', function() {
                            window.setTimeout(window.print, 100);
                          });
                });
      </script>
      {{else}}
      <script>
        window.addEventListener('load', function() {
                  window.setTimeout(window.print, 100);
                });
      </script>
      {{/if}}
      {{/if}}

    </div>
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<dialog class="modal">
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<div class="slider">
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  gtag('config', 'G-6NHZBVG5F6');
</script>
<script>

const modal = document.querySelector('.modal');
const openButton = document.querySelector('.open-button');
const closeButton = document.querySelector('.close-button');

openButton.addEventListener('click', () => {
  modal.showModal();
});

closeButton.addEventListener('click', () => {
  modal.close();
});
</script>

    <style type="text/css">
button {
  display: inline-block;
  margin: 5px auto;
  border: 0;
  border-radius: 2px;
  padding: 3px 8px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 600;
    background-color: #FFA12B;
  cursor: pointer;
  color: #FFF;
  transition: all 240ms linear;
}

button:hover {
  filter: brightness(0.8);
}
button:active {
  transform: scale(0.9);
}
dialog {
  margin: 10% auto;
  width: 80%;
  max-width: 800px;
  background-color: #eee;
  padding: 24px;
  border: 0;
  border-radius: 5px;
}
dialog > p {
  text-align: center;
  margin: 0;
}
dialog > p:first-of-type {
  margin: 0 auto 20px;
  font-size: 24px;
  font-weight: 600;
}
dialog > button {
    display: block;
    float: right;
}

* {
  box-sizing: border-box;
}

.slider {
  width: 300px;
  text-align: center;
  overflow: hidden;
  margin: 0 auto;
}

.slides {
  display: flex;

  overflow-x: auto;
  scroll-snap-type: x mandatory;



  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;

  /*
  scroll-snap-points-x: repeat(300px);
  scroll-snap-type: mandatory;
  */
}
.slides::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
.slides::-webkit-scrollbar-thumb {
  background: black;
  border-radius: 10px;
}
.slides::-webkit-scrollbar-track {
  background: transparent;
}
.slides > div {
  scroll-snap-align: start;
  flex-shrink: 0;
  width: 300px;
  height: 300px;
  margin-right: 50px;
  border-radius: 10px;
  background: #eee;
  transform-origin: center center;
  transform: scale(1);
  transition: transform 0.5s;
  position: relative;

  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 100px;
}
.slides > div:target {
/*   transform: scale(0.8); */
}
.author-info {
  background: rgba(0, 0, 0, 0.75);
  color: white;
  padding: 0.75rem;
  text-align: center;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  margin: 0;
}
.author-info a {
  color: white;
}
.slides > div > img {
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.slider > a {
  display: inline-flex;
  height: 1.5rem;
  background: white;
  text-decoration: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 0 0.5rem 0;
  position: relative;
}
.slider > a:active {
  top: 1px;
}
.slider > a:focus {
  background: #000;
}

/* Don't need button navigation */
@supports (scroll-snap-type) {
  .slider > a {
    display: none;
  }
}

    </style>


</html>
