improvements: 代碼名全大寫

improvements: 補全card-categories和card-archives的 '查看更多‘鏈接 close #337
fix: 修復comments沒設置時，報Unexpected token ')'的bugs close #344
improvements: 優化js和html
fix: 修復toc 滾動百分比不準的Bugs

source/css/_layout/head.styl

@@ -188,13 +188,13 @@ _:future,
     padding: 0 16px
 
   &:not(.fixed)
-    .menus
+    #menus
       padding-right: 0 !important
 
   #blog_name
     flex: 1
 
-  .toggle-menu
+  #toggle-menu
     display: none
     padding: .1rem 0 0 .3rem
     vertical-align: top
@@ -218,7 +218,7 @@ _:future,
 
     a,
     #site-name,
-    .toggle-menu
+    #toggle-menu
       color: var(--font-color)
       text-shadow: none
 
@@ -302,7 +302,7 @@ _:future,
             text-shadow: none
 
   &.hide-menu
-    .toggle-menu
+    #toggle-menu
       display: inline-block !important
 
       .site-page