功能包括：

1. 一些基本样式改动，按我个人喜好
2. 我有用TOC生成目录，script那里针对a链接跳转做区分，内链直接跳转，外链在新窗口打开
3. 比较神奇的是各级标题自动标号，效果如下图。不过没考虑十以上情况。有需要再说。

image.png

<!-- 样式 -->
<style>
    /* 初始化计数器 */
    body {
        /* 临时 */
        margin-right:50%;
        counter-reset: h1 h2 h3 h4 h5 h6;
    }

    /* 针对 h1 标题的编号 */
    h1 {
        counter-increment: h1;
        counter-reset: h2;
    }
    h1::before {
        content: counter(h1, cjk-ideographic) "、 ";
    }

    /* 针对 h2 标题的编号 */
    h2 {
        counter-increment: h2;
        counter-reset: h3;
    }
    h2::before {
        content: counter(h2) ". ";
    }

    /* 针对 h3 标题的编号 */
    h3 {
        counter-increment: h3;
        counter-reset: h4;
    }
    h3::before {
        content: counter(h2) "." counter(h3) " ";
    }

    /* 针对 h4 标题的编号 */
    h4 {
        counter-increment: h4;
        counter-reset: h5;
    }
    h4::before {
        content: "(" counter(h4) ") ";
    }

    /* 针对 h5 标题的编号 */
    h5 {
        counter-increment: h5;
        counter-reset: h6;
    }
    h5::before {
        content: "(" counter(h4) "." counter(h5) ") ";
    }

    /* 针对 h6 标题的编号 */
    h6 {
        counter-increment: h6;
    }
    h6::before {
        content: "(" counter(h4) "." counter(h5) "." counter(h6) ") ";
    }

    header {
        padding-bottom: 0.3em;
        font-size: 2.5em;
        line-height: 1.2;
        position: relative;
        margin-top: 1em;
        margin-bottom: 16px;
        font-weight: bold;
        text-shadow: 0.15rem 0.15rem rgba(150,150,150,0.5);
    }
    .ct {
        text-align: center;
    }
    /* 小代码块 */
    code {
        color: #e42557;
        background-color: rgba(180,180,180,0.25) !important;
        margin: auto 0.2em !important;
    }
    blockquote {
        background-color: rgba(83,160,107, 0.05);
        border-left: 3px solid rgba(83,160,107, 0.5) !important;
        padding-top: 0.2em !important;
        padding-bottom: 0.2em !important;
    }
    blockquote code {
        color: #e46363;
    }
    blockquote a {
        color: #80b4e8;
    }
    /* 换行 */
    wb, .wb {
        word-break: break-all;
    }
    /* 注意 */
    note, .note {
        padding: 0.2em 0.5em;
        margin: 0 0.2em;
        border-width: 0.12em;
        border-style: solid;
        border-color: rgba(239,156,56,01.8);
        border-radius: 0.6em;
    }
    .toc {
        border: 0.15rem solid rgba(83,160,107, 0.5) !important;
        border-radius: 1rem;
        padding: 1rem;
    }
</style>


<script>
  // 内链直接跳转到对应位置。外链在新窗口打开。
  document.querySelectorAll('a').forEach(function(link) {
    console.log(link.href)
    // 内链是`http://127.0.0.1`开头
    if (/^https?:\/\/127\.0\.0\.1/i.test(link.href)) {
        return
    }
    // 或以`file:///`开头
    if (/^file:\/\/\//i.test(link.href)) {
        return
    }
    link.addEventListener('click', function(event) {
      event.preventDefault(); // 阻止默认点击行为
      window.open(link.href, '_blank'); // 在新标签页打开链接
    });
  });
</script>