diff --git a/css/nav-mega-menu.css b/css/nav-mega-menu.css
index e2b9c31..f10a610 100644
--- a/css/nav-mega-menu.css
+++ b/css/nav-mega-menu.css
@@ -39,7 +39,6 @@
   backdrop-filter: blur(10px);
   border-right: 1px solid rgba(56, 189, 248, 0.1);
   overflow-y: auto;
-  height: 100%;
 }
 
 /* 二级菜单项 - 深色主题 */