feat: 分销规则完善 + 微信支付修复

1. 分销规则：
   - 链接带ID绑定推荐关系
   - 一级分销 + 30天有效期
   - 客户抢夺机制（过期可被抢走）
   - 90%收益归分发者

2. 新增统计数据：
   - 绑定用户数
   - 链接进入人数
   - 带来付款人数

3. 微信支付：
   - 添加点击反馈
   - 优化支付流程日志
   - 改善错误提示

4. 分销中心UI优化

miniprogram/pages/referral/referral.js

@@ -1,6 +1,11 @@
 /**
  * Soul创业派对 - 分销中心页
- * 1:1还原Web版本
+ * 
+ * 可见数据：
+ * - 绑定用户数（当前有效绑定）
+ * - 通过链接进的人数（总访问量）
+ * - 带来的付款人数（已转化购买）
+ * - 收益统计（90%归分发者）
  */
 const app = getApp()
 
@@ -10,19 +15,25 @@ Page({
     isLoggedIn: false,
     userInfo: null,
     
-    // 收益数据
-    earnings: 0,
-    pendingEarnings: 0,
-    distributorShare: 90,
+    // === 核心可见数据 ===
+    bindingCount: 0,      // 绑定用户数（当前有效）
+    visitCount: 0,        // 通过链接进的人数
+    paidCount: 0,         // 带来的付款人数
     
-    // 统计数据
-    referralCount: 0,
-    expiringCount: 0,
+    // === 收益数据 ===
+    earnings: 0,          // 已结算收益
+    pendingEarnings: 0,   // 待结算收益
+    withdrawnEarnings: 0, // 已提现金额
+    shareRate: 90,        // 分成比例（90%）
+    
+    // === 统计数据 ===
+    referralCount: 0,     // 总推荐人数
+    expiringCount: 0,     // 即将过期人数
     
     // 邀请码
     referralCode: '',
     
-    // 绑定用户
+    // 绑定用户列表
     showBindingList: true,
     activeTab: 'active',
     activeBindings: [],
@@ -31,6 +42,9 @@ Page({
     currentBindings: [],
     totalBindings: 0,
     
+    // 收益明细
+    earningsDetails: [],
+    
     // 海报
     showPosterModal: false,
     isGeneratingPoster: false
@@ -61,48 +75,58 @@ Page({
         })
         if (res.success) {
           realData = res.data
+          console.log('[Referral] 获取推广数据成功:', realData)
         }
       } catch (e) {
-        console.log('获取推广数据失败，使用本地数据')
+        console.log('[Referral] 获取推广数据失败，使用本地数据')
       }
       
-      // 使用真实数据或本地存储的数据
-      const storedBindings = wx.getStorageSync('referral_bindings') || []
-      const storedEarnings = wx.getStorageSync('referral_earnings') || { total: 0, pending: 0 }
+      // 使用真实数据或默认值
+      let activeBindings = realData?.activeUsers || []
+      let convertedBindings = realData?.convertedUsers || []
+      let expiredBindings = []
       
-      let activeBindings, convertedBindings, expiredBindings
-      
-      if (realData) {
-        activeBindings = realData.activeBindings || []
-        convertedBindings = realData.convertedBindings || []
-        expiredBindings = realData.expiredBindings || []
-      } else if (storedBindings.length > 0) {
-        // 使用本地存储的数据
-        activeBindings = storedBindings.filter(b => b.status === 'active')
-        convertedBindings = storedBindings.filter(b => b.status === 'converted')
-        expiredBindings = storedBindings.filter(b => b.status === 'expired')
-      } else {
-        // 默认空数据
-        activeBindings = []
-        convertedBindings = []
-        expiredBindings = []
+      // 兼容旧字段名
+      if (!activeBindings.length && realData?.activeBindings) {
+        activeBindings = realData.activeBindings
+      }
+      if (!convertedBindings.length && realData?.convertedBindings) {
+        convertedBindings = realData.convertedBindings
+      }
+      if (realData?.expiredBindings) {
+        expiredBindings = realData.expiredBindings
       }
       
-      const expiringCount = activeBindings.filter(b => b.daysRemaining <= 7).length
+      const expiringCount = activeBindings.filter(b => b.daysRemaining <= 7 && b.daysRemaining > 0).length
       
       this.setData({
         isLoggedIn: true,
         userInfo,
-        earnings: realData?.earnings || storedEarnings.total || 0,
-        pendingEarnings: realData?.pendingEarnings || storedEarnings.pending || 0,
-        referralCount: realData?.referralCount || activeBindings.length + convertedBindings.length,
+        
+        // 核心可见数据
+        bindingCount: realData?.bindingCount || activeBindings.length,
+        visitCount: realData?.visitCount || 0,
+        paidCount: realData?.paidCount || convertedBindings.length,
+        
+        // 收益数据
+        earnings: realData?.earnings || 0,
+        pendingEarnings: realData?.pendingEarnings || 0,
+        withdrawnEarnings: realData?.withdrawnEarnings || 0,
+        shareRate: realData?.shareRate || 90,
+        
+        // 统计
+        referralCount: realData?.referralCount || realData?.stats?.totalBindings || activeBindings.length + convertedBindings.length,
+        expiringCount,
+        
         referralCode,
         activeBindings,
         convertedBindings,
         expiredBindings,
-        expiringCount,
         currentBindings: activeBindings,
-        totalBindings: activeBindings.length + convertedBindings.length + expiredBindings.length
+        totalBindings: activeBindings.length + convertedBindings.length + expiredBindings.length,
+        
+        // 收益明细
+        earningsDetails: realData?.earningsDetails || []
       })
     }
   },