新增匹配次数管理功能，优化用户匹配体验。通过服务端计算用户的匹配配额，更新用户状态以反映剩余匹配次数。同时，调整匹配页面逻辑，确保在匹配次数用尽时提示用户购买更多次数。更新相关API以支持匹配记录的存储与查询，提升系统稳定性。

miniprogram/pages/referral/referral.wxml

@@ -9,9 +9,6 @@
       <view class="nav-btn" bindtap="showNotification">
         <image class="nav-icon" src="/assets/icons/bell.svg" mode="aspectFit"></image>
       </view>
-      <view class="nav-btn" bindtap="showSettings">
-        <image class="nav-icon" src="/assets/icons/settings.svg" mode="aspectFit"></image>
-      </view>
     </view>
     <text class="nav-title">分销中心</text>
     <view class="nav-right-placeholder"></view>
@@ -179,28 +176,6 @@
         </view>
         <image class="share-arrow-icon" src="/assets/icons/arrow-right.svg" mode="aspectFit"></image>
       </view>
-      
-      <view class="share-item" bindtap="shareToWechat">
-        <view class="share-icon wechat">
-          <image class="icon-share-btn" src="/assets/icons/message-circle.svg" mode="aspectFit"></image>
-        </view>
-        <view class="share-info">
-          <text class="share-title">分享到朋友圈</text>
-          <text class="share-desc">复制文案发朋友圈</text>
-        </view>
-        <image class="share-arrow-icon" src="/assets/icons/arrow-right.svg" mode="aspectFit"></image>
-      </view>
-      
-      <view class="share-item" bindtap="handleMoreShare">
-        <view class="share-icon link">
-          <image class="icon-share-btn" src="/assets/icons/share.svg" mode="aspectFit"></image>
-        </view>
-        <view class="share-info">
-          <text class="share-title">更多分享方式</text>
-          <text class="share-desc">使用系统分享功能</text>
-        </view>
-        <image class="share-arrow-icon" src="/assets/icons/arrow-right.svg" mode="aspectFit"></image>
-      </view>
     </view>
 
     <!-- 收益明细 - 增强版 -->
@@ -239,14 +214,7 @@
       </view>
     </view>
 
-    <!-- 空状态 - 对齐 Next.js -->
-    <view class="empty-earnings" wx:if="{{earningsDetails.length === 0 && activeBindings.length === 0}}">
-      <view class="empty-icon-wrapper">
-        <image class="empty-gift-icon" src="/assets/icons/gift.svg" mode="aspectFit"></image>
-      </view>
-      <text class="empty-title">暂无收益记录</text>
-      <text class="empty-desc">分享专属链接，好友购买即可获得 {{shareRate}}% 返利</text>
-    </view>
+    
   </view>
 
   <!-- 海报生成弹窗 - 优化小程序显示 -->
@@ -315,7 +283,7 @@
           </view>
 
           <!-- 二维码 -->
-          <view class="poster-qr-wrap" bindtap="previewPosterQr">
+          <view class="poster-qr-wrap">
             <image
               class="poster-qr-img"
               src="{{posterQrSrc}}"