update markdown style

static/style.css

@@ -558,6 +558,12 @@ footer ul li > a {
   padding-left: 8px;
 }
 
+.markdown > ol li {
+  list-style: decimal;
+  margin-left: 20px;
+  padding-left: 8px;
+}
+
 .markdown code {
   margin: 0 3px;
 }

style/themes/default/custom.less

@@ -10,8 +10,8 @@
 // ------ Base & Require ------
 @body-background        : #fff;
 
-@font-family            : "Helvetica Neue",Helvetica,"Hiragino Sans GB","Microsoft YaHei","微软雅黑",SimSun,sans-serif;
-@code-family            : "PT Mono", Menlo, "Courier New", monospace;
+@font-family            : "Helvetica Neue",Helvetica,"Hiragino Sans GB","STHeitiSC-Light","Microsoft YaHei","微软雅黑",Arial,sans-serif;
+@code-family            : "PT Mono",Menlo,Consolas,"Courier New",monospace;
 @text-color             : #666;
 @font-size-base         : 12px;
 @line-height-base       : 1.5;