修复埋点 review by bevishuang

-<div class="new-index-filter-list-item" data-item-idx="{{@index}}" data-activity-id="{{activity_id}}" data-product-skn="{{product_skn}}">
+<div class="new-index-filter-list-item" data-item-idx="{{index}}" data-activity-id="{{activity_id}}" data-product-skn="{{product_skn}}">
     <div class="group-product-header">
         {{!-- {{#ifcond joinLimitStr "==" "邀新团"}}
                 <div class="new-group-product-left-icon">

@@ -774,7 +774,8 @@ class Group extends Page {
         let appendHtml = '';
 
         list.forEach((item, index) => {
-            appendHtml += groupListItem(item, index);
+            item.index = index;
+            appendHtml += groupListItem(item);
         });
         if (isLoad) {
             $('.new-goods-list').append(appendHtml);

@@ -37,8 +37,8 @@
     }
 
     .floors {
-        border-bottom: 10px solid #f0f0f0;
-        background: #f0f0f0;
+        border-bottom: 10px solid #f5f5f5;
+        background: #f5f5f5;
     }
 
     .tab {

 .goods-container {
-    background: #f0f0f0;
+    background: #f5f5f5;
 }
 
 .goods-list-title {