fix(private-detail): 恢复退款弹窗规则表格的说明列

miniprogram/src/pages/comprehensive/bookings/private-detail.vue

@@ -79,10 +79,12 @@
             <view class="refund-rules-header">
               <text>距开始时间</text>
               <text>退款比例</text>
+              <text>说明</text>
             </view>
             <view v-for="(rule, idx) in refundQuote.rules" :key="idx" class="refund-rule-row" :class="{ active: rule.description === refundQuote.applicable_tier_description }">
               <text>{{ formatHoursBefore(rule.hours_before_start, idx) }}</text>
               <text>{{ rule.refund_percentage }}%</text>
+              <text>{{ rule.description }}</text>
             </view>
           </view>
           <view class="refund-amount-box">
@@ -334,6 +336,9 @@ const formatHoursBefore = (hours, idx) => {
   text {
     flex: 1;
     text-align: center;
+
+    &:first-child { flex: 0.8; }
+    &:last-child { flex: 1.4; }
   }
 }
 
@@ -347,6 +352,9 @@ const formatHoursBefore = (hours, idx) => {
   text {
     flex: 1;
     text-align: center;
+
+    &:first-child { flex: 0.8; }
+    &:last-child { flex: 1.4; text-align: left; }
   }
 
   &.active {