feat(登录页): 添加微信登录图标和选项

@@ -169,6 +169,13 @@
             <UserAgreement ref="userAgreementRef" />
           </p>
         </div>
+
+        <div class="mt-6 flex justify-center items-center gap-4" style="flex-direction: column;">
+          <div class="text-sm font-medium text-gray-600">其他登录方式</div>
+          <div>
+            <img :src="weixinLogo" alt="微信登录" style="width: 40px; height: 40px; border-radius: 8px;">
+          </div>
+        </div>
       </FrostedGlass>
     </div>
   </div>
@@ -185,6 +192,7 @@ import { smsAPI } from "@/api/common";
 import { showToast } from "vant";
 import UserAgreement from "@/components/ui/UserAgreement.vue";
 import { setAuthHeaders } from "@/utils/axios";
+import weixinLogo from '@/assets/images/weixin_logo_lg.jpeg'
 
 const userAgreementRef = ref(null);