:root{--side-bar-bg-color:#fafafa;--control-text-color:#777}@include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);@font-face{font-family:'Open Sans';font-style:normal;font-weight:400;src:local('Open Sans Regular'),url(github/400.woff) format('woff')}@font-face{font-family:'Open Sans';font-style:italic;font-weight:400;src:local('Open Sans Italic'),url(github/400i.woff) format('woff')}@font-face{font-family:'Open Sans';font-style:normal;font-weight:700;src:local('Open Sans Bold'),url(github/700.woff) format('woff')}@font-face{font-family:'Open Sans';font-style:italic;font-weight:700;src:local('Open Sans Bold Italic'),url(github/700i.woff) format('woff')}html{font-size:16px}body{font-family:"Open Sans","Clear Sans","Helvetica Neue",Helvetica,Arial,sans-serif;color:#333;line-height:1.6}#write{max-width:860px;margin:0 auto;padding:30px;padding-bottom:100px}#write>ol:first-child,#write>ul:first-child{margin-top:30px}a{color:#4183c4}h1,h2,h3,h4,h5,h6{position:relative;margin-top:1rem;margin-bottom:1rem;font-weight:700;line-height:1.4;cursor:text}h1:hover a.anchor,h2:hover a.anchor,h3:hover a.anchor,h4:hover a.anchor,h5:hover a.anchor,h6:hover a.anchor{text-decoration:none}h1 code,h1 tt{font-size:inherit}h2 code,h2 tt{font-size:inherit}h3 code,h3 tt{font-size:inherit}h4 code,h4 tt{font-size:inherit}h5 code,h5 tt{font-size:inherit}h6 code,h6 tt{font-size:inherit}h1{padding-bottom:.3em;font-size:2.25em;line-height:1.2;border-bottom:1px solid #eee}h2{padding-bottom:.3em;font-size:1.75em;line-height:1.225;border-bottom:1px solid #eee}h3{font-size:1.5em;line-height:1.43}h4{font-size:1.25em}h5{font-size:1em}h6{font-size:1em;color:#777}blockquote,dl,ol,p,table,ul{margin:.8em 0}li>ol,li>ul{margin:0 0}hr{height:2px;padding:0;margin:16px 0;background-color:#e7e7e7;border:0 none;overflow:hidden;box-sizing:content-box}li p.first{display:inline-block}ol,ul{padding-left:30px}ol:first-child,ul:first-child{margin-top:0}ol:last-child,ul:last-child{margin-bottom:0}blockquote{border-left:4px solid #dfe2e5;padding:0 15px;color:#777}blockquote blockquote{padding-right:0}table{padding:0;word-break:initial}table tr{border-top:1px solid #dfe2e5;margin:0;padding:0}table tr:nth-child(2n),thead{background-color:#f8f8f8}table tr th{font-weight:700;border:1px solid #dfe2e5;border-bottom:0;text-align:left;margin:0;padding:6px 13px}table tr td{border:1px solid #dfe2e5;text-align:left;margin:0;padding:6px 13px}table tr td:first-child,table tr th:first-child{margin-top:0}table tr td:last-child,table tr th:last-child{margin-bottom:0}.CodeMirror-lines{padding-left:4px}.code-tooltip{box-shadow:0 1px 1px 0 rgba(0,28,36,.3);border-top:1px solid #eef2f2}.md-fences,code,tt{border:1px solid #e7eaed;background-color:#f8f8f8;border-radius:3px;padding:0;padding:2px 4px 0 4px;font-size:.9em}code{background-color:#f3f4f4;padding:0 2px 0 2px}.md-fences{margin-bottom:15px;margin-top:15px;padding-top:8px;padding-bottom:6px}.md-task-list-item>input{margin-left:-1.3em}@media print{html{font-size:13px}pre,table{page-break-inside:avoid}pre{word-wrap:break-word}}.md-fences{background-color:#f8f8f8}#write pre.md-meta-block{padding:1rem;font-size:85%;line-height:1.45;background-color:#f7f7f7;border:0;border-radius:3px;color:#777;margin-top:0!important}.mathjax-block>.code-tooltip{bottom:.375rem}.md-mathjax-midline{background:#fafafa}#write>h3.md-focus:before{left:-1.5625rem;top:.375rem}#write>h4.md-focus:before{left:-1.5625rem;top:.285714286rem}#write>h5.md-focus:before{left:-1.5625rem;top:.285714286rem}#write>h6.md-focus:before{left:-1.5625rem;top:.285714286rem}.md-image>.md-meta{border-radius:3px;padding:2px 0 0 4px;font-size:.9em;color:inherit}.md-tag{color:#a7a7a7;opacity:1}.md-toc{margin-top:20px;padding-bottom:20px}.sidebar-tabs{border-bottom:none}#typora-quick-open{border:1px solid #ddd;background-color:#f8f8f8}#typora-quick-open-item{background-color:#fafafa;border-color:#fefefe #e5e5e5 #e5e5e5 #eee;border-style:solid;border-width:1px}.on-focus-mode blockquote{border-left-color:rgba(85,85,85,.12)}.context-menu,.megamenu-content,footer,header{font-family:"Segoe UI",Arial,sans-serif}.file-node-content:hover .file-node-icon,.file-node-content:hover .file-node-open-state{visibility:visible}.mac-seamless-mode #typora-sidebar{background-color:#fafafa;background-color:var(--side-bar-bg-color)}.md-lang{color:#b4654d}.html-for-mac .context-menu{--item-hover-bg-color:#E6F0FE}#md-notification .btn{border:0}.dropdown-menu .divider{border-color:#e5e5e5}textarea[readonly]{width:100%;min-height:500px;resize:none;border:none}@media (max-width:767px){body{padding:15px}#aside{position:relative!important;top:0;left:0}img{width:100%}pre{white-space:break-spaces}}body{box-sizing:border-box;min-width:200px;max-width:980px;margin:0 auto;padding:45px;overflow-x:hidden}hr{margin:25px 0}.footer{text-align:center;font-style:italic;color:#555}.footer a{color:#555}.footer li{list-style:none}body img{max-width:1000px;border-radius:5px}#aside{position:fixed;top:0;left:0}