Refine Hardnerd banner and remove legacy sidebar advertisement

resources/views/components/banners.blade.php

@@ -1,13 +1 @@
-<div class="widget card widget_nice_tag_cloud">
-    <div class="widget-header h6">
-          广告
-          <div class="widget-border"></div>
-    </div>
-    <ul>
-        <li>
-            <a href="https://{{ env('url_ad_fu') }}">
-                <img src="/upload/images/ad_fu.png" style="border-radius: 10px;">
-            </a>
-        </li>
-    </ul>
-</div>
+{{-- Legacy sidebar advertisement removed at user request, 2026-10-31. --}}

resources/views/components/hn-article-ad.blade.php

@@ -1,4 +1,4 @@
-@if (config('advertising.hn.enabled') && config('advertising.hn.url') && is_file(public_path('images/ads/hn-ad-quality-20261030.png')))
+@if (config('advertising.hn.enabled') && config('advertising.hn.url') && is_file(public_path('images/ads/hn-ad-refined-20261031.png')))
     @once
         @push('styles')
             <link rel="stylesheet" href="/css/hn-article-ad.css?v={{ filemtime(public_path('css/hn-article-ad.css')) }}">
@@ -6,7 +6,7 @@
     @endonce
     <aside class="hn-article-ad hn-image-ad" aria-label="HN 图片广告">
         <a class="hn-image-ad__link" href="{{ config('advertising.hn.url') }}" target="_blank" rel="sponsored noopener noreferrer" aria-label="广告：了解 Hardnerd 网络服务（新窗口打开）">
-            <img src="/images/ads/hn-ad-quality-20261030.png?v={{ filemtime(public_path('images/ads/hn-ad-quality-20261030.png')) }}" alt="Hardnerd 广告：探索全球网络无限可能。硬核专线架构，品质网络体验" width="1962" height="801">
+            <img src="/images/ads/hn-ad-refined-20261031.png?v={{ filemtime(public_path('images/ads/hn-ad-refined-20261031.png')) }}" alt="Hardnerd 广告：硬核架构，品质专线，全球网络畅通无阻" width="1964" height="801">
         </a>
     </aside>
 @endif