/** 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;}/* 侧边栏 */.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) ". "}