优化后台功能

resources/views/public/guides/show.blade.php

@@ -1,6 +1,6 @@
 @extends('layouts.site')
 
-@section('page_class', 'page-guides')
+@section('page_class', 'page-guides page-detail')
 @section('title', $item->seo_title ?: $item->title.' - AI教程')
 @section('meta_description', $item->seo_description ?: $item->excerpt)
 @section('canonical', $item->canonical_url ?: route('guides.show', $item->slug))
@@ -31,7 +31,7 @@
 <div class="module-grid">
     <div>
         <article class="surface-card p-3 p-lg-4">
-            <div class="md-content">{!! $bodyHtml !!}</div>
+            <div class="md-content detail-content">{!! $bodyHtml !!}</div>
         </article>
     </div>