Merge branch 'main' of http://8.137.125.67:4000/SwtTt29/Mini-Program

pages/compare_price/index.wxml

@@ -105,6 +105,7 @@
                   <text class="price-trend-icon" style="color: {{item.priceDiff > 0 ? '#EF4444' : item.priceDiff < 0 ? '#10B981' : '#666666'}}">{{item.priceDiff > 0 ? '↑' : item.priceDiff < 0 ? '↓' : '→'}}</text>
                   <text class="price-trend-text" style="color: {{item.priceDiff > 0 ? '#FF4D4F' : item.priceDiff < 0 ? '#10B981' : '#666666'}}">{{item.priceDiff > 0 ? '+' : ''}}{{item.pricePercent}}%</text>
                   <text wx:if="{{item.priceDiff < 0}}" class="price-save" style="color: #10B981; margin-left: 8px;">省¥{{-item.priceDiff}}</text>
+                  <text wx:if="{{item.priceDiff > 0}}" class="price-save" style="color: #FF4D4F; margin-left: 8px;">涨¥{{item.priceDiff}}</text>
                 </view>
               </view>
             </view>

pages/goods-detail/goods-detail.wxml

@@ -398,7 +398,7 @@
     <!-- 联系 -->
     <button class="bottom-button chat-btn" bindtap="onChat" data-id="{{goodsDetail.id}}">
       <text class="icon">💬</text>
-      <text class="text">联系</text>
+      <text class="text">留言</text>
     </button>
     <!-- 还价（保留原有显示条件） -->
     <button class="bottom-button bargain-btn"