From 1032cbabf52a5e0ed8542114832cafd91a96f8b9 Mon Sep 17 00:00:00 2001
From: yiqiu <yiqiu@ycyaw.com>
Date: Sat, 10 Jan 2026 18:12:22 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AF=BC=E8=88=AA=E8=8F=9C=E5=8D=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common/common.js      |  6 ++--
 css/nav-mega-menu.css | 72 +++++++++++++++++++++++++++++++++++++++++--
 public/header.html    | 18 ++++++-----
 3 files changed, 84 insertions(+), 12 deletions(-)

diff --git a/common/common.js b/common/common.js
index 268d80a..e163b51 100644
--- a/common/common.js
+++ b/common/common.js
@@ -130,9 +130,11 @@ $(function () {
     let hoverTimer = null;
     let leaveTimer = null;
 
-    $(".nav-menu .nav-item").hover(
+    // 只监听 .nav-menu 内部的 .nav-item，排除LOGO等其他元素
+    $(".nav-menu > a .nav-item, .nav-menu > .nav-item").hover(
       function () {
-        const index = $(".nav-menu .nav-item").index($(this));
+        // 获取当前nav-item在nav-menu中的索引
+        const index = $(".nav-menu > a .nav-item, .nav-menu > .nav-item").index($(this));
 
         // 清除离开定时器
         if (leaveTimer) {
diff --git a/css/nav-mega-menu.css b/css/nav-mega-menu.css
index 0fe2263..94451a7 100644
--- a/css/nav-mega-menu.css
+++ b/css/nav-mega-menu.css
@@ -11,7 +11,8 @@
   box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
   border-top: 1px solid rgba(56, 189, 248, 0.15);
   z-index: 1000;
-  overflow: hidden;
+  overflow-x: hidden;
+  overflow-y: hidden;
   transition: height 0.3s ease-out;
   height: 0;
 }
@@ -90,6 +91,7 @@
   flex: 1;
   padding: 16px 24px;
   background: rgba(15, 23, 42, 0.6);
+  overflow-x: hidden;
   overflow-y: auto;
   max-height: none;
   height: 100%;
@@ -187,8 +189,74 @@
   font-size: 14px;
 }
 
-/* 旧版二级菜单样式（无三级菜单时使用） */
+/* 只有二级菜单时的横向网格布局 */
+.nav-simple-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+  gap: 16px;
+  padding: 24px 32px;
+  max-width: 1400px;
+  margin: 0 auto;
+}
+
+.nav-simple-item {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 16px;
+  background: rgba(30, 41, 59, 0.6);
+  border: 1px solid rgba(56, 189, 248, 0.15);
+  border-radius: 6px;
+  color: #E5E7EB;
+  text-decoration: none;
+  transition: all 0.2s ease;
+}
+
+.nav-simple-item:hover {
+  background: rgba(56, 189, 248, 0.15);
+  border-color: #38BDF8;
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.2);
+}
+
+.nav-simple-icon {
+  width: 32px;
+  height: 32px;
+  flex-shrink: 0;
+}
+
+.nav-simple-icon img {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.nav-simple-info {
+  flex: 1;
+  min-width: 0;
+}
+
+.nav-simple-title {
+  font-size: 14px;
+  font-weight: 600;
+  color: #E5E7EB;
+  margin-bottom: 4px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.nav-simple-desc {
+  font-size: 12px;
+  color: #94A3B8;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+/* 旧版二级菜单样式（无三级菜单时使用） - 已废弃，保留兼容 */
 .nav-item-box {
+
   display: flex;
   align-items: center;
   gap: 12px;
diff --git a/public/header.html b/public/header.html
index 550b67d..4294ae1 100644
--- a/public/header.html
+++ b/public/header.html
@@ -119,18 +119,20 @@
             {/foreach}
           </div>
           {else}
-          <!-- 无三级菜单，使用旧版样式 -->
-          <div class="nav-left-sidebar">
+          <!-- 无三级菜单，使用横向网格布局 -->
+          <div class="nav-simple-grid">
             {foreach $item.children as $child}
-            <a href="{if !empty($child.file_address)}{$child.file_address}{else/}javascript:;{/if}" class="nav-item-box"
-              {if !empty($child.blank)}target="_blank" {/if}>
+            <a href="{if !empty($child.file_address)}{$child.file_address}{else/}javascript:;{/if}"
+              class="nav-simple-item" {if !empty($child.blank)}target="_blank" {/if}>
               {if !empty($child.icon)}
-              <img src="{$child.icon}" alt="{$child.name}">
+              <div class="nav-simple-icon">
+                <img src="{$child.icon}" alt="{$child.name}">
+              </div>
               {/if}
-              <div class="item-box-title">
-                <div class="title">{$child.name}</div>
+              <div class="nav-simple-info">
+                <div class="nav-simple-title">{$child.name}</div>
                 {if !empty($child.description)}
-                <div class="desc">{$child.description}</div>
+                <div class="nav-simple-desc">{$child.description}</div>
                 {/if}
               </div>
             </a>