✨ disqus/disqusjs/facebook comments 可隨夜間模式按鈕切換而轉換主題

🐛 修復pjax下valine評論顯示不正常的bugs
🐛 修復facebook comments 在手機下寬度不是100%的bugs

source/css/_layout/comments.styl

@@ -2,7 +2,7 @@
   .comment-head
     margin-bottom: 1rem
 
-    .comment-headling
+    .comment-headline
       display: inline-block
       vertical-align: middle
       font-weight: 700

source/css/_layout/third-party.styl

@@ -39,8 +39,9 @@
   &[data-processed]
     opacity: 1
 
-.utterances
-  max-width: 100%
+.utterances,
+.fb-comments iframe
+  width: 100% !important
 
 #gitalk-container
   .gt-meta

source/css/_mode/darkmode.styl

@@ -123,7 +123,7 @@ if hexo-config('darkmode.enable') || hexo-config('display_mode') == 'dark'
 
     // Gitalk
     #gitalk-container
-      filter: brightness(.7)
+      filter: brightness(.8)
 
       svg
         fill: alpha(#FFFFFF, .8) !important