套餐高度自适应

 <div class="pkgDg-header">
-    <p class="left">潮流搭配</p>
+    <p class="left">优惠套装</p>
     <span class="pkg-close close right"><i class="iconfont"></i></span>
 </div>
 <div class="pkgDg-prodetal">

@@ -2396,7 +2396,8 @@
 /****套餐弹出框***/
 .pkg-dialog {
     width: 500px;
-    height: 600px;
+    max-height: 680px;
+    padding: 20px 20px 0 20px;
     border-color: rgba(0,0,0,.7);
 
     .pkg-close {
@@ -2418,7 +2419,8 @@
 
     .pkgDg-prodetal {
         width: 100%;
-        height: 490px;
+        max-height: 490px;
+        padding-bottom: 80px;
         overflow: auto;
     }
 
@@ -2469,6 +2471,10 @@
     .pkgDg-footer {
         height: 80px;
         line-height: 80px;
+        width: 500px;
+        background: #f8f8f8;
+        position: absolute;
+        bottom: 0;
 
         .totalMoney em {
             color: #d42838;
@@ -2482,7 +2488,7 @@
 
     .pkgDg-footer:before {
         position: absolute;
-        left: 0;
+        left: -20px;
         content: '';
         display: block;
         width: 540px;