为Typora大纲与标题配置序号

步骤

1. 进入Typora主题文件根目录

2. 新建文件base.user.css,复制下面内容

   /* Path: base.user.css */
   /* 侧边目录添加编号 二级标题开始*/
   .sidebar-content {
       counter-reset: h2
       }
       .outline-h2 {
       counter-reset: h3
       }
       .outline-h3 {
       counter-reset: h4
       }
       .outline-h4 {
       counter-reset: h5
       }
       .outline-h5 {
       counter-reset: h6
       }
       
       .outline-h2>.outline-item>.outline-label:before {
       counter-increment: h2;
       content: counter(h2) " "
       }
       .outline-h3>.outline-item>.outline-label:before {
       counter-increment: h3;
       content: counter(h2) "." counter(h3) " "
       }
       .outline-h4>.outline-item>.outline-label:before {
       counter-increment: h4;
       content: counter(h2) "." counter(h3) "." counter(h4) " "
       }
       .outline-h5>.outline-item>.outline-label:before {
       counter-increment: h5;
       content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) " "
       }
       .outline-h6>.outline-item>.outline-label:before {
       counter-increment: h6;
       content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6) " "
       }
   
   
   /* 标题添加编号 */
   #write {
       counter-reset: h2
       }
       h2 {
       counter-reset: h3
       }
       h3 {
       counter-reset: h4
       }
       h4 {
       counter-reset: h5
       }
       h5 {
       counter-reset: h6
       }
       /** put counter result into headings */
       #write h2:before {
       counter-increment: h2;
       content: counter(h2)
       }
       #write h3:before,
       h3.md-focus.md-heading:before /** override the default style for focused headings */ {
       counter-increment: h3;
       content: counter(h2) "." counter(h3)
       }
       #write h4:before,
       h4.md-focus.md-heading:before {
       counter-increment: h4;
       content: counter(h2) "." counter(h3) "." counter(h4)
       }
       #write h5:before,
       h5.md-focus.md-heading:before {
       counter-increment: h5;
       content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5)
       }
       #write h6:before,
       h6.md-focus.md-heading:before {
       counter-increment: h6;
       content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6)
       }
       /** override the default style for focused headings */
       #write>h3.md-focus:before,
       #write>h4.md-focus:before,
       #write>h5.md-focus:before,
       #write>h6.md-focus:before,
       h3.md-focus:before,
       h4.md-focus:before,
       h5.md-focus:before,
       h6.md-focus:before {
       color: inherit;
       border: inherit;
       border-radius: inherit;
       position: inherit;
       left:initial;
       float: none;
       top:initial;
       font-size: inherit;
       padding-left: inherit;
       padding-right: inherit;
       vertical-align: inherit;
       font-weight: inherit;
       line-height: inherit;
       }

3. 重启Typora

效果