feat: production branch with deploy config for baota panel

- Add deploy/ directory with production env, supervisor, nginx, migration configs
- Include all latest features: admin management, feedback, footer with ICP/beian
- Database: foreign_trade (PostgreSQL), user: foreign_trade
- Frontend: trade.yuzhiran.com, backend proxy via Nginx

uni-app/src/pages/index/index.vue

@@ -148,6 +148,10 @@
           <text class="more-icon">⚙️</text>
           <text class="more-text">管理</text>
         </view>
+        <view class="more-item" @click="showWechatModal = true">
+          <text class="more-icon">💁</text>
+          <text class="more-text">联系客服</text>
+        </view>
       </view>
     </view>
 
@@ -196,6 +200,28 @@
       </view>
     </view>
 
+    <view class="modal-overlay" v-if="showWechatModal" @click="showWechatModal = false">
+      <view class="contact-modal" @click.stop>
+        <text class="contact-title">📞 联系我们</text>
+        <view class="contact-body">
+          <view class="contact-item">
+            <text class="contact-label">客服微信</text>
+            <text class="contact-value selectable" selectable>TradeMate_Support</text>
+          </view>
+          <view class="contact-item">
+            <text class="contact-label">用户交流群</text>
+            <text class="contact-value">添加客服微信后拉你入群</text>
+          </view>
+          <view class="contact-qr-placeholder">
+            <text class="qr-icon">📷</text>
+            <text class="qr-hint">客服微信二维码</text>
+          </view>
+          <text class="contact-tip">添加好友时备注"外贸小助手"</text>
+        </view>
+        <button class="announcement-btn" @click="showWechatModal = false">知道了</button>
+      </view>
+    </view>
+
     <view class="modal-overlay" v-if="showAnnouncement" @click="showAnnouncement = false">
       <view class="announcement-modal" @click.stop>
         <text class="announcement-title">📢 系统公告</text>
@@ -211,6 +237,19 @@
         <button class="announcement-btn" @click="showAnnouncement = false; goToLogin()">去登录</button>
       </view>
     </view>
+
+    <view class="footer">
+      <view class="footer-links">
+        <text class="footer-link" @click="goToPage('/pages/agreement/privacy')">隐私政策</text>
+        <text class="footer-divider">|</text>
+        <text class="footer-link" @click="goToPage('/pages/agreement/terms')">用户协议</text>
+      </view>
+      <view class="footer-beian">
+        <a class="footer-beian-link" href="https://beian.miit.gov.cn" target="_blank">京ICP备2026007249号-1</a>
+        <a class="footer-beian-link" href="https://beian.mps.gov.cn/#/query/webSearch?code=11011502039545" target="_blank">京公网安备11011502039545号</a>
+      </view>
+      <text class="footer-copyright">© 2026 北京宇之然科技中心. 保留所有权利.</text>
+    </view>
   </view>
 </template>
 
@@ -242,6 +281,7 @@ const stats = ref({
 const silentCustomers = ref([])
 const unreadCount = ref(0)
 const followupStats = ref({ pending: 0, sent: 0, replied: 0 })
+const showWechatModal = ref(false)
 const showOnboarding = ref(false)
 const onboardingStep = ref(1)
 const productName = ref('')
@@ -913,6 +953,46 @@ const playTryResult = () => {
   z-index: 999; padding: 40rpx;
 }
 
+.contact-modal {
+  background: #fff;
+  border-radius: 20rpx;
+  width: 85%;
+  max-width: 560rpx;
+  max-height: 80vh;
+  overflow-y: auto;
+  padding: 40rpx;
+}
+.contact-title {
+  font-size: 32rpx;
+  font-weight: 600;
+  text-align: center;
+  display: block;
+  margin-bottom: 30rpx;
+}
+.contact-body { margin-bottom: 30rpx; }
+.contact-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16rpx 0;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+.contact-label { font-size: 26rpx; color: #666; }
+.contact-value { font-size: 28rpx; color: #333; font-weight: 500; }
+.contact-qr-placeholder {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 40rpx 0;
+  background: #f9f9f9;
+  border-radius: 12rpx;
+  margin: 20rpx 0;
+}
+.qr-icon { font-size: 64rpx; margin-bottom: 16rpx; }
+.qr-hint { font-size: 24rpx; color: #999; }
+.qr-path { font-size: 20rpx; color: #ccc; margin-top: 8rpx; }
+.contact-tip { font-size: 22rpx; color: #999; text-align: center; display: block; }
+
 .announcement-modal {
   background: #fff;
   border-radius: 24rpx;
@@ -961,4 +1041,48 @@ const playTryResult = () => {
   align-items: center;
   justify-content: center;
 }
+
+.footer {
+  margin-top: 40rpx;
+  padding: 40rpx 20rpx 30rpx;
+  text-align: center;
+  border-top: 2rpx solid #e8e8e8;
+}
+
+.footer-links {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  gap: 16rpx;
+  margin-bottom: 20rpx;
+}
+
+.footer-link {
+  font-size: 24rpx;
+  color: #1890ff;
+}
+
+.footer-divider {
+  font-size: 24rpx;
+  color: #d9d9d9;
+}
+
+.footer-beian {
+  display: flex;
+  justify-content: center;
+  flex-wrap: wrap;
+  gap: 12rpx;
+  margin-bottom: 12rpx;
+}
+
+.footer-beian-link {
+  font-size: 22rpx;
+  color: #999;
+}
+
+.footer-copyright {
+  font-size: 22rpx;
+  color: #bbb;
+  display: block;
+}
 </style>