diff --git a/service/Application/Home/View/Default/Detail/Index.html b/service/Application/Home/View/Default/Detail/Index.html
index d95bfa8c0..403c788e4 100644
--- a/service/Application/Home/View/Default/Detail/Index.html
+++ b/service/Application/Home/View/Default/Detail/Index.html
@@ -983,10 +983,6 @@
 <include file="Public/Footer" />
 <!-- footer end -->
 
-<!-- nav start -->
-<include file="Public/Nav" />
-<!-- nav end -->
-
 
 
 <script type="text/javascript">
diff --git a/service/Public/Home/Default/Css/Detail.css b/service/Public/Home/Default/Css/Detail.css
index f8574f239..384b66c9e 100644
--- a/service/Public/Home/Default/Css/Detail.css
+++ b/service/Public/Home/Default/Css/Detail.css
@@ -209,13 +209,13 @@ flex: 1 1 0%;line-height: 16px;cursor: pointer;}
 
 
 /*购物车*/
-
-.tb-btn a {margin-right: 0px;float: left;overflow: hidden; position: relative;width:100%; height: 30px; line-height: 30px;background-color: #FFEDED;
+.tb-btn a, .pay li,.pay .pay-opt, .pay span { height: 35px; line-height: 35px; }
+.tb-btn a {margin-right: 0px;float: left;overflow: hidden; position: relative;width:100%; background-color: #FFEDED;
 color:#F03726;font-size: 14px;text-align: center;}
 .tb-btn-basket a {background-color:#F03726;color: #FFF;}
 
-.pay li,.pay .pay-opt{float:left; margin-top:15px;width:33.33% ;height:30px ;}
-.pay span{display:inline-block;width: 50%;float: left;font-size:14px ;background:#fff ;line-height:30px ;cursor: pointer;}
+.pay li,.pay .pay-opt{float:left; width:33.33%; }
+.pay span{display:inline-block;width: 50%;float: left;font-size:14px ;background:#fff ; ;cursor: pointer;}
 
 .tb-detail-hd h1 {padding-bottom:0.4em; line-height: 1;font-size: 14px;font-weight: 600;color: #333; line-height: 20px;}
 
diff --git a/service/Public/Home/Default/Js/Detail.js b/service/Public/Home/Default/Js/Detail.js
index 8842be643..b1dde6e7c 100644
--- a/service/Public/Home/Default/Js/Detail.js
+++ b/service/Public/Home/Default/Js/Detail.js
@@ -1488,6 +1488,54 @@ $(document).ready(function() {
     }
 })
 
+var temp_scroll = 0;
+var scroll_type = -1;
+var location_scroll = 0;
+var nav_status = 1;
+$(window).scroll(function()
+{
+    var scroll = $(document).scrollTop();
+    if(scroll != temp_scroll)
+    {
+        var temp_scroll_type = (scroll > temp_scroll) ? 1 : 0;
+        if(temp_scroll_type != scroll_type)
+        {
+            scroll_type = temp_scroll_type;
+            console.log('不一样了', scroll, temp_scroll, scroll_type, location_scroll)
+
+            
+            location_scroll = scroll;
+            
+        }
+
+        if(scroll_type == 1)
+        {
+            if(nav_status == 1 && scroll > location_scroll+200)
+            {
+                nav_status = 0;
+                console.log('隐藏导航');
+                
+                //if(!$("div.pay").is(":visible"))
+                //{
+                    $("div.pay").slideUp(500);
+                //}
+            }
+        } else {
+            if(nav_status == 0 && scroll < location_scroll-100)
+            {
+                nav_status = 1;
+                console.log('打开导航');
+                
+                    $("div.pay").slideDown(500);
+                
+            }
+        }
+
+
+        temp_scroll = scroll;
+    }
+});
+
 // 小导航
 $(window).resize(function()
 {
@@ -1510,7 +1558,7 @@ function table_nav()
 //             console.log($(document).width(), dv.css('top'));
 //         }
 //     });
-// }
+}
 
 //导航固定
 // $(document).ready(function() {