refactor: Update import statements and CSS classes

• Change @import to @require in comment.styl for better performance
• Replace redefine-box-shadow-flat with shadow-redefine-flat for consistency
• Update date formatting in essays widget for improved localization

layout/_widgets/essays.ejs

@@ -10,7 +10,7 @@
                 <div class="w-10 h-10 mr-4 rounded-lg overflow-hidden border border-border-color p-[1px] flex-shrink-0">
                     <%- image_tag(theme.defaults.avatar, {class: "w-full h-full rounded-[6.2px]"}) %>
                 </div>
-                <div class="w-full border-border-color rounded-xl rounded-tl-none redefine-box-shadow-flat overflow-hidden">
+                <div class="w-full border-border-color rounded-xl rounded-tl-none shadow-redefine-flat overflow-hidden">
                     <!-- Pass the raw date here in a data attribute -->
                     <div class="essay-date px-4 py-1.5 text-sm border-b border-border-color bg-zinc-50 dark:bg-zinc-800 text-third-text-color"
                          data-date="<%= moment(e.date).tz(timezone).utc().format() %>">Loading Date...</div>

layout/_widgets/friends-link.ejs

@@ -39,7 +39,7 @@
             <% for (const f of category.list) { %>
                 <li class="group transform scale-100 transition-transform duration-100 ease-linear active:scale-95">
                     <a href="<%= f.link %>">
-                        <div class="flex flex-row items-center gap-1 sm:gap-2 overflow-hidden min-w-0 rounded-lg redefine-box-shadow-flat">
+                        <div class="flex flex-row items-center gap-1 sm:gap-2 overflow-hidden min-w-0 rounded-lg shadow-redefine-flat">
                             <div class="h-16 w-16 rounded-bl-lg bg-third-background-color">
                                 <% if (f.avatar) { %>
                                     <img class="rounded-l-lg h-16 w-16 max-w-none"

source/css/layout/_partials/comments/comment.styl

@@ -1,11 +1,11 @@
 if (hexo-config('comment.enable') == true && hexo-config('comment.system') != "") {
   if (hexo-config('comment.system') == "waline") {
-    @import "./waline.styl"
+    @require "./waline.styl"
 
   } else if (hexo-config('comment.system') == "gitalk") {
-    @import "./gitalk.styl"
+    @require "./gitalk.styl"
 
   } else if (hexo-config('comment.system') == "twikoo") {
-    @import "./twikoo.styl"
+    @require "./twikoo.styl"
   }
 }