优化匹配页面，新增好友优惠展示逻辑，支持通过推荐码获取折扣。调整价格计算方式，确保用户在购买时能看到实际优惠。更新页面样式以提升用户体验，并修复部分逻辑问题。

miniprogram/pages/match/match.wxml

@@ -39,7 +39,7 @@
             <block wx:if="{{needPayToMatch}}">
               <text class="sphere-icon">⚡</text>
               <text class="sphere-title gold-text">购买次数</text>
-              <text class="sphere-desc">¥1 = 1次匹配</text>
+              <text class="sphere-desc">¥{{displayMatchPrice || matchPrice || 1}} = 1次匹配</text>
             </block>
             <block wx:else>
               <text class="sphere-icon">👥</text>
@@ -344,7 +344,16 @@
       <view class="unlock-info">
         <view class="info-row">
           <text class="info-label">单价</text>
-          <text class="info-value text-brand">¥{{matchPrice || 1}} / 次</text>
+          <view class="info-value-row" wx:if="{{hasReferralDiscount}}">
+            <text class="info-original">¥{{matchPrice || 1}}</text>
+            <text class="info-value text-brand">¥{{displayMatchPrice || matchPrice || 1}} / 次</text>
+            <text class="info-discount">省{{userDiscount}}%</text>
+          </view>
+          <view class="info-value-row" wx:elif="{{showDiscountHint}}">
+            <text class="info-value text-brand">¥{{matchPrice || 1}} / 次</text>
+            <text class="info-discount-hint">好友链接立省{{userDiscount}}%</text>
+          </view>
+          <text wx:else class="info-value text-brand">¥{{matchPrice || 1}} / 次</text>
         </view>
         <view class="info-row">
           <text class="info-label">已购买</text>
@@ -353,7 +362,7 @@
       </view>
 
       <view class="unlock-buttons">
-        <view class="btn-gold" bindtap="buyMatchCount">立即购买 ¥{{matchPrice || 1}}</view>
+        <view class="btn-gold" bindtap="buyMatchCount">立即购买 ¥{{hasReferralDiscount ? (displayMatchPrice || matchPrice || 1) : (matchPrice || 1)}}</view>
         <view class="btn-ghost" bindtap="closeUnlockModal">明天再来</view>
       </view>
     </view>