更新文章目录样式高度问题

Author: giscafer

source/css/_partial/article.styl

@@ -426,10 +426,14 @@ $article-gallery-ctrl
 
 #toc-widget
    background #eee
+   
 #toc-widget-fixed
    background #eee
-   position: fixed;
-   box-shadow: 2px 3px 4px #ccc9c9;
+   position: fixed
+   max-height: 650px
+   overflow-y: auto
+   box-shadow: 2px 3px 4px #ccc9c9
+
 .toc-widget-list
   background #eee
   margin 0.4em 0 0.3em 0.6em