修改移动端样式

public/static/index/mobile/css/new_header.css

@@ -112,9 +112,27 @@
         display: none;
     }
 
+    /* .sub-menu {
+        display: none;
+    } */
     .sub-menu {
         display: none;
+        /* height: 100vh; */
+        overflow-y: auto;
+        overflow-x: hidden;
+        -webkit-overflow-scrolling: touch;
     }
+    
+    /* .sub-menu-overflow {
+        max-height: calc(100vh - 180px);  
+        overflow-y: auto;
+        overflow-x: hidden;
+        -webkit-overflow-scrolling: touch; 
+    } */
+
+
+    
+
 
     .sub-menu.show {
         display: block;
@@ -422,3 +440,15 @@
         display: flex;
         align-items: center;
     }
+/* 产品列表的子菜单不需要滚动 */
+.menu-item:first-child .sub-menu {
+    max-height: none !important;
+    overflow-y: visible !important;
+}
+
+/* 其他导航的子菜单使用JS动态设置高度 */
+.has-child:not(:first-child) .sub-menu {
+    overflow-y: auto;
+    overflow-x: hidden;
+    -webkit-overflow-scrolling: touch;
+}