更新商品更新页面

pages/goods-update/goods-update.wxml

@@ -369,7 +369,7 @@
   
   <!-- 销售员选择弹窗 - 白色样式 -->
   <view class="custom-select-modal" wx:if="{{showSalesPersonSelectModal}}" style="position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: flex; justify-content: center; z-index: 9999;" catchtouchmove="true">
-    <view style="position: fixed; bottom: 0; left: 0; right: 0; background: white; border-radius: 20rpx 20rpx 0 0; max-height: 80vh;">
+    <view style="position: fixed; bottom: 0; left: 0; right: 0; background: white; border-radius: 20rpx 20rpx 0 0; height: 70vh;">
       <!-- 顶部操作栏：取消和确定按钮 -->
       <view style="padding: 20rpx; display: flex; justify-content: space-between; align-items: center; border-bottom: 1rpx solid #eee;">
         <view bindtap="closeSalesPersonSelectModal" style="font-size: 32rpx; color: #333; padding: 10rpx 20rpx;">取消</view>
@@ -400,7 +400,7 @@
       <!-- 销售员列表 -->
       <scroll-view 
         scroll-y="true" 
-        style="max-height: 60vh; padding: 0; -webkit-overflow-scrolling: touch; -webkit-scrollbar: none; scrollbar-width: none;"
+        style="height: calc(60vh - 170rpx); padding: 0; -webkit-overflow-scrolling: touch; -webkit-scrollbar: none; scrollbar-width: none;"
         enable-back-to-top="false"
       >
         <view