feat(footer): add ICP备案号 粤ICP备2026033788号 to site footer

Co-Authored-By: Claude <noreply@anthropic.com>

Author: yyyCode

vue/src/App.vue

@@ -56,6 +56,8 @@ onMounted(async () => {
     <footer v-if="!isConsole" class="site-footer">
       <div class="site-footer-inner">
         <span>{{ (siteConfig && siteConfig.footer_copyright) || '© 2026 OpenBlog' }}</span>
+        <span class="site-footer-sep">|</span>
+        <a class="site-footer-icp" href="https://beian.miit.gov.cn/" target="_blank" rel="noopener noreferrer">粤ICP备2026033788号</a>
       </div>
     </footer>
   </div>

vue/src/assets/blog.css

@@ -3261,6 +3261,20 @@ body {
   color: var(--muted);
 }
 
+.site-footer-sep {
+  margin: 0 8px;
+  color: var(--border, #ccc);
+}
+
+.site-footer-icp {
+  color: var(--muted);
+  text-decoration: none;
+}
+
+.site-footer-icp:hover {
+  color: var(--accent, #4a90d9);
+}
+
 [data-theme='dark'] .site-footer {
   border-top-color: var(--border-dark, #334155);
 }