打開主題文件夾

打開菜單：文件 - 偏好設置 - 打開主題文件夾

創建css文件

在主題文件夾下，創建一個css文件，名字為base.user.css，里面粘貼如下內容，保存后重啟Typora。

.sidebar-content {
    counter-reset: h1
}

.outline-h1 {
    counter-reset: h2
}

.outline-h2 {
    counter-reset: h3
}

.outline-h3 {
    counter-reset: h4
}

.outline-h4 {
    counter-reset: h5
}

.outline-h5 {
    counter-reset: h6
}

.outline-h1>.outline-item>.outline-label:before {
    counter-increment: h1;
    content: counter(h1) " "
}

.outline-h2>.outline-item>.outline-label:before {
    counter-increment: h2;
    content: counter(h1) "." counter(h2) " "
}

.outline-h3>.outline-item>.outline-label:before {
    counter-increment: h3;
    content: counter(h1) "." counter(h2) "." counter(h3) " "
}

.outline-h4>.outline-item>.outline-label:before {
    counter-increment: h4;
    content: counter(h1) "." counter(h2) "." counter(h3) "." counter(h4) " "
}

.outline-h5>.outline-item>.outline-label:before {
    counter-increment: h5;
    content: counter(h1) "." counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) " "
}

.outline-h6>.outline-item>.outline-label:before {
    counter-increment: h6;
    content: counter(h1) "." counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6) " "
}


/** initialize css counter */
#write {
counter-reset: h1
}
h1 {
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 h1:before {
counter-increment: h1;
content: counter(h1) " "
}#write h2:before {
counter-increment: h2;
content: counter(h1) "." counter(h2) " "
}
#write h3:before,
h3.md-focus.md-heading:before /** override the default style for focused headings */ {
counter-increment: h3;
content: counter(h1) "." counter(h2) "." counter(h3) " "
}
#write h4:before,
h4.md-focus.md-heading:before {
counter-increment: h4;
content: counter(h1) "." counter(h2) "." counter(h3) "." counter(h4) " "
}
#write h5:before,
h5.md-focus.md-heading:before {
counter-increment: h5;
content: counter(h1) "." counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) " "
}
#write h6:before,
h6.md-focus.md-heading:before {
counter-increment: h6;
content: counter(h1) "." 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;
}

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