增加备案信息

frontend/src/features/listings/views/MobileHomeView.css

@@ -828,3 +828,35 @@
     height: 40px;
   }
 }
+
+/* ========== 页脚 ========== */
+.home-footer {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 16px 12px calc(16px + env(safe-area-inset-bottom));
+  color: #a0aab6;
+  font-size: 11px;
+  line-height: 1.6;
+  text-align: center;
+  flex-wrap: wrap;
+}
+
+.home-footer-icp {
+  color: #a0aab6;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.home-footer-icp:hover {
+  color: #5a6577;
+}
+
+.home-footer-divider {
+  color: #d0d6e0;
+}
+
+.home-footer-copyright {
+  color: #a0aab6;
+}

frontend/src/features/listings/views/MobileHomeView.vue

@@ -865,6 +865,17 @@ syncMobileHomeQuery()
       <van-icon name="arrow-up" :size="20" />
     </button>
 
+    <footer class="home-footer">
+      <a
+        href="https://beian.miit.gov.cn/"
+        target="_blank"
+        rel="noopener noreferrer"
+        class="home-footer-icp"
+      >湘ICP备2025146668号</a>
+      <span class="home-footer-divider">|</span>
+      <span class="home-footer-copyright">版权所有 ©2026 大锤网络游戏有限公司</span>
+    </footer>
+
     <MobileBottomNav />
   </main>
 </template>