💥 改cdn_use為inject,可插入代碼到head或者bottom

💥 移除對文章隱藏的支持，如需要，請使用插件，hexo-hide-posts/hexo-generator-indexed
💥 移除subtitle金山詞霸每日一句，增加搏天api的隨機語錄
✨ subtitle修改為網頁加載完後再加載，防止api回應過慢而阻礙網頁顯示
✨ 適配valine 1.4.0, 刪除部分valine夜間模式代碼
✨ meta增加article:published_time和article:modified_time
✨ 當沒有設置Description時，會自動讀取文章前200個文字作為meta Description
✨ sidebar menu 增加頭像轉圈hover
💄 調整aside和mobile sidebar 網頁資訊佈局，當缺少一個時，寬度依舊平分
🐛 調整子目錄的排版（向左對齊），修復只能點擊子目錄文字才能跳轉的bug
🔥 pug精簡 刪除recent-post.pug  改為引用mixins/post-ui.pug

layout/includes/head.pug

@@ -10,7 +10,7 @@
 - var isSubtitle = config.subtitle ? ' - ' + config.subtitle : ''
 - var tabTitle = is_home() || !pageTitle ? config.title + isSubtitle : pageTitle + ' | ' + config.title
 
-- var pageDescription = page.description || page.title || config.description
+- var pageDescription = page_description()
 - var pageKeywords
 - if (page.tags && page.tags.data) pageKeywords = page.tags.data.map(function(tag) {return tag.name;}).join(',')
 - else pageKeywords = Array.isArray(config.keywords) ? (config.keywords).join(','):  ([]).join(',') || config.keywords
@@ -22,7 +22,7 @@ meta(charset='UTF-8')
 meta(http-equiv="X-UA-Compatible" content="IE=edge")
 meta(name="viewport" content="width=device-width,initial-scale=1")
 title= tabTitle
-meta(name="description" content=pageDescription)
+meta(name="description" content!=pageDescription)
 if pageKeywords
   meta(name="keywords" content=pageKeywords)
 meta(name="author" content=pageAuthor)
@@ -34,9 +34,6 @@ if theme.disable_baidu_transformation
   meta(http-equiv="Cache-Control" content="no-transform")
   meta(http-equiv="Cache-Control" content="no-siteapp")
 
-if page.hide == true
-  meta(name="robots" content="noindex")
-
 if theme.douban
   if theme.douban.meta && (is_current('/movies/', [strict]) || is_current('/books/', [strict]) || is_current('/games/', [strict]))
     meta(name="referrer" content="no-referrer")
@@ -59,7 +56,8 @@ script(src=url_for(theme.CDN.js_cookies))
 if theme.darkmode.enable
   !=partial('includes/head/darkmode', {}, {cache:theme.fragment_cache})
 
-!=fragment_cache('my_css', function(){return my_html('css',theme.CDN_USE.css)})
+//- main css
+link(rel='stylesheet', href=url_for(theme.CDN.main_css))
 
 if theme.fontawesome_v5 && theme.fontawesome_v5.enable
   link(rel='stylesheet', href=url_for(theme.CDN.fontawesome_v5))
@@ -102,3 +100,5 @@ if theme.blog_title_font.font_link
 
 include ./head/config_site.pug
 include ./head/noscript.pug
+
+!=fragment_cache('injectHead', function(){return injectHtml(theme.inject.head)})