feat: 只支持 hexo 5.0.0 及以上版本

feat: toc改為aside顯示,去掉sidebar
feat: 手機toc ui 修改
feat: 去掉 toc auto_open 配置
feat: 文章標題改為居中
improvement: 完善note標籤在readmode上的顯示
improvement: 精簡css 和 js
improvement： pjax 優化
fix: 修復當文章頁top_img設為false時，閲讀模式下文章內容不顯示的bugs

source/css/_global/function.styl

@@ -68,26 +68,6 @@ if hexo-config('enter_transitions')
   #ribbon-canvas
     animation: ribbon_to_show 4s
 
-  .tocOpenPc
-    .sidebar-toc__title
-      animation: tocsidebarLtoR .5s
-
-    .sidebar-toc__progress
-      animation: tocsidebarLtoR .7s
-
-    .sidebar-toc__content
-      animation: tocsidebarLtoR .9s
-
-  .tocOpenMobile
-    .sidebar-toc__title
-      animation: tocsidebarRtoL .4s
-
-    .sidebar-toc__progress
-      animation: tocsidebarRtoL .6s
-
-    .sidebar-toc__content
-      animation: tocsidebarRtoL .7s
-
   #mobile-sidebar-menus
     &.open
       for i in 1 2 3 4
@@ -215,19 +195,5 @@ if hexo-config('avatar.effect') == true
   0%
     transform: translateX(200px)
 
-  100%
-    transform: translateX(0)
-
-@keyframes tocsidebarRtoL
-  0%
-    transform: translateX(200px)
-
-  100%
-    transform: translateX(0)
-
-@keyframes tocsidebarLtoR
-  0%
-    transform: translateX(-200px)
-
   100%
     transform: translateX(0)

source/css/_global/index.styl

@@ -26,6 +26,7 @@
   --blockquote-bg: $blockquote-background-color
   --reward-pop: $reward-pop-up-bg
   --sidebar-icon-color: $sidebar-icon-color
+  --toc-link-color: $toc-link-color
 
 html
   height: 100%
@@ -140,6 +141,16 @@ button
   background: none
   cursor: pointer
 
+a
+  color: $a-link-color
+  text-decoration: none
+  word-wrap: break-word
+  transition: all .2s
+  overflow-wrap: break-word
+
+  &:hover
+    color: $light-blue
+
 // font
 #site-title,
 #site-subtitle,
@@ -183,6 +194,10 @@ button
       transition-timing-function: cubic-bezier(.45, 1.64, .47, .66)
       transform: scaleX(1)
 
+img
+  max-width: 100%
+  transition: all .2s
+
 img[src=''],
 img:not([src])
   opacity: 0