恢复官方字体

Author: dingyiming

themes/vue/source/css/_settings.styl

@@ -1,7 +1,7 @@
 // font faces
 $body-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
-$logo-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
-$code-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
+$logo-font = 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif
+$code-font = 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif
 
 // font sizes
 $body-font-size = 15px