重新设计为阿里云风格

css/nav-mega-menu.css

@@ -1,4 +1,259 @@
-/* 三级导航菜单样式 - Mega Menu风格 */
+/* 三级导航菜单样式 - 阿里云风格两栏布局 */
+
+/* 导航容器 */
+.nav-cont {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  width: 100%;
+  background: #fff;
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
+  z-index: 1000;
+  overflow: hidden;
+  transition: height 0.3s ease-out;
+}
+
+/* Mega Menu 两栏布局 */
+.nav-cont-menu.mega-menu {
+  display: none;
+  min-height: 400px;
+}
+
+.nav-content {
+  display: flex;
+  max-width: 1400px;
+  margin: 0 auto;
+  min-height: 400px;
+}
+
+/* 左侧二级菜单栏 */
+.nav-left-sidebar {
+  width: 200px;
+  background: #f7f8fa;
+  border-right: 1px solid #e8e8e8;
+  flex-shrink: 0;
+}
+
+/* 二级菜单项 */
+.nav-category-item {
+  position: relative;
+  display: block;
+  padding: 16px 20px;
+  color: #333;
+  font-size: 14px;
+  text-decoration: none;
+  border-left: 3px solid transparent;
+  transition: all 0.2s ease;
+  cursor: pointer;
+}
+
+.nav-category-item:hover,
+.nav-category-item.active {
+  background: #fff;
+  border-left-color: #1890ff;
+  color: #1890ff;
+}
+
+.nav-category-item .category-icon {
+  display: inline-block;
+  width: 20px;
+  height: 20px;
+  margin-right: 8px;
+  vertical-align: middle;
+}
+
+.nav-category-item .category-icon img {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.nav-category-name {
+  font-weight: 500;
+}
+
+.nav-category-desc {
+  font-size: 12px;
+  color: #999;
+  margin-top: 2px;
+  display: block;
+}
+
+/* 右侧三级菜单区域 */
+.nav-right-content {
+  flex: 1;
+  padding: 24px 32px;
+  background: #fff;
+  overflow-y: auto;
+  max-height: 500px;
+}
+
+/* 三级菜单容器 */
+.nav-third-panel {
+  display: none;
+}
+
+.nav-third-panel.active {
+  display: block;
+  animation: fadeInRight 0.3s ease;
+}
+
+/* 三级菜单标题 */
+.nav-third-title {
+  font-size: 16px;
+  font-weight: 600;
+  color: #333;
+  margin-bottom: 16px;
+  padding-bottom: 12px;
+  border-bottom: 2px solid #1890ff;
+  display: inline-block;
+}
+
+/* 三级菜单网格布局 */
+.nav-third-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+  gap: 12px 20px;
+  margin-top: 20px;
+}
+
+/* 三级菜单项 */
+.nav-third-item {
+  margin: 0;
+}
+
+.nav-third-link {
+  display: flex;
+  align-items: center;
+  padding: 10px 12px;
+  border-radius: 4px;
+  color: #333;
+  font-size: 13px;
+  text-decoration: none;
+  transition: all 0.2s ease;
+  border: 1px solid transparent;
+}
+
+.nav-third-link:hover {
+  background: #f0f7ff;
+  border-color: #91d5ff;
+  color: #1890ff;
+  transform: translateX(4px);
+}
+
+.nav-third-link::before {
+  content: '›';
+  font-size: 16px;
+  color: #1890ff;
+  margin-right: 6px;
+  transition: transform 0.2s ease;
+}
+
+.nav-third-link:hover::before {
+  transform: translateX(2px);
+}
+
+.nav-third-name {
+  flex: 1;
+  font-weight: 500;
+}
+
+.nav-third-desc {
+  font-size: 11px;
+  color: #999;
+  margin-left: 8px;
+}
+
+/* 空状态 */
+.nav-right-empty {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 300px;
+  color: #999;
+  font-size: 14px;
+}
+
+/* 旧版二级菜单样式（无三级菜单时使用） */
+.nav-item-box {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 16px 20px;
+  transition: all 0.2s ease;
+  text-decoration: none;
+  color: #333;
+  border-left: 3px solid transparent;
+}
+
+.nav-item-box:hover {
+  background: #fff;
+  border-left-color: #1890ff;
+  color: #1890ff;
+}
+
+.nav-item-box img {
+  width: 20px;
+  height: 20px;
+  flex-shrink: 0;
+}
+
+.item-box-title .title {
+  font-size: 14px;
+  font-weight: 500;
+  margin-bottom: 2px;
+}
+
+.item-box-title .desc {
+  font-size: 12px;
+  color: #999;
+}
+
+/* 空菜单占位 */
+.nav-cont-menu.nav-cont-empty {
+  display: none;
+}
+
+/* 动画效果 */
+@keyframes fadeInRight {
+  from {
+    opacity: 0;
+    transform: translateX(10px);
+  }
+
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+/* 响应式调整 */
+@media (max-width: 768px) {
+  .nav-cont {
+    display: none !important;
+  }
+
+  .nav-content {
+    flex-direction: column;
+    min-height: auto;
+  }
+
+  .nav-left-sidebar {
+    width: 100%;
+    border-right: none;
+    border-bottom: 1px solid #e8e8e8;
+  }
+
+  .nav-right-content {
+    padding: 16px;
+    max-height: none;
+  }
+
+  .nav-third-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
 
 /* 导航容器 */
 .nav-cont {
@@ -190,16 +445,16 @@
   .nav-cont {
     display: none !important;
   }
-  
+
   .nav-cont-menu.mega-menu {
     padding: 16px 0;
   }
-  
+
   .nav-cont-menu.mega-menu .nav-content {
     flex-direction: column;
     gap: 16px;
   }
-  
+
   .nav-category {
     max-width: 100%;
   }
@@ -211,6 +466,7 @@
     opacity: 0;
     transform: translateY(-10px);
   }
+
   to {
     opacity: 1;
     transform: translateY(0);
@@ -219,4 +475,4 @@
 
 .nav-cont-menu.animated {
   animation: fadeInDown 0.3s ease-out;
-}
+}

header.html

@@ -104,6 +104,7 @@
   <script src="/web/BlackFruit-web/vender/swiper/swiper-bundle.min.js"></script>
 
   <script src="/web/BlackFruit-web/common/common.js"></script>
+  <script src="/web/BlackFruit-web/js/nav-third-level.js"></script>
   <script src="/web/BlackFruit-web/js/ai.js"></script>
 
   <link rel="alternate" hreflang="zh-Hans" href="{$url}">

js/nav-third-level.js

@@ -0,0 +1,50 @@
+// 三级导航菜单交互脚本
+(function () {
+    'use strict';
+
+    // 初始化三级导航
+    function initThirdLevelNav() {
+        const navContMenus = document.querySelectorAll('.nav-cont-menu.mega-menu');
+
+        navContMenus.forEach(menu => {
+            const categoryItems = menu.querySelectorAll('.nav-category-item');
+            const thirdPanels = menu.querySelectorAll('.nav-third-panel');
+
+            if (categoryItems.length === 0 || thirdPanels.length === 0) {
+                return; // 没有三级菜单
+            }
+
+            // 默认激活第一个
+            if (categoryItems[0]) {
+                categoryItems[0].classList.add('active');
+            }
+            if (thirdPanels[0]) {
+                thirdPanels[0].classList.add('active');
+            }
+
+            // 绑定hover事件
+            categoryItems.forEach((item, index) => {
+                item.addEventListener('mouseenter', function () {
+                    // 移除所有active状态
+                    categoryItems.forEach(cat => cat.classList.remove('active'));
+                    thirdPanels.forEach(panel => panel.classList.remove('active'));
+
+                    // 激活当前
+                    this.classList.add('active');
+                    const categoryIndex = this.getAttribute('data-category-index');
+                    const targetPanel = menu.querySelector(`.nav-third-panel[data-panel-index="${categoryIndex}"]`);
+                    if (targetPanel) {
+                        targetPanel.classList.add('active');
+                    }
+                });
+            });
+        });
+    }
+
+    // DOM加载完成后初始化
+    if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', initThirdLevelNav);
+    } else {
+        initThirdLevelNav();
+    }
+})();

public/header.html

@@ -66,41 +66,66 @@
       {if isset($item.children) && !empty($item.children)}
       <div class="nav-cont-menu mega-menu animated">
         <div class="nav-content">
-          {foreach $item.children as $child}
+          {php}
-          {if isset($child.children) && !empty($child.children)}
+          // 检查是否有包含三级菜单的二级项
-          <div class="nav-category">
+          $hasThirdLevel = false;
-            <a href="{if !empty($child.file_address)}{$child.file_address}{else/}javascript:;{/if}"
+          foreach ($item['children'] as $child) {
-              class="nav-category-header" {if !empty($child.blank)}target="_blank" {/if}>
+          if (isset($child['children']) && !empty($child['children'])) {
+          $hasThirdLevel = true;
+          break;
+          }
+          }
+          {/php}
+
+          {if $hasThirdLevel}
+          <!-- 左侧二级菜单栏 -->
+          <div class="nav-left-sidebar">
+            {foreach $item.children as $childIndex=>$child}
+            {if isset($child.children) && !empty($child.children)}
+            <div class="nav-category-item" data-category-index="{$childIndex}">
               {if !empty($child.icon)}
-              <div class="nav-category-icon">
+              <span class="category-icon">
                 <img src="{$child.icon}" alt="{$child.name}">
-              </div>
+              </span>
+              {/if}
+              <span class="nav-category-name">{$child.name}</span>
+              {if !empty($child.description)}
+              <span class="nav-category-desc">{$child.description}</span>
               {/if}
-              <div class="nav-category-info">
-                <div class="nav-category-title">{$child.name}</div>
-                {if !empty($child.description)}
-                <div class="nav-category-desc">{$child.description}</div>
-                {/if}
-              </div>
-            </a>
-            <div class="nav-third-level">
-              {foreach $child.children as $grandchild}
-              <div class="nav-third-item">
-                <a href="{if !empty($grandchild.file_address)}{$grandchild.file_address}{else/}javascript:;{/if}"
-                  class="nav-third-link" {if !empty($grandchild.blank)}target="_blank" {/if}>
-                  <span class="nav-third-name">{$grandchild.name}</span>
-                  {if !empty($grandchild.description)}
-                  <span class="nav-third-desc">{$grandchild.description}</span>
-                  {/if}
-                </a>
-              </div>
-              {/foreach}
             </div>
+            {/if}
+            {/foreach}
           </div>
-          {else /}
+
-          <a href="{if !empty($child.file_address)}{$child.file_address}{else/}javascript:;{/if}" {if
+          <!-- 右侧三级菜单区域 -->
-            !empty($child.blank)}target="_blank" {/if} style="text-decoration: none;">
+          <div class="nav-right-content">
-            <div class="nav-item-box">
+            {foreach $item.children as $childIndex=>$child}
+            {if isset($child.children) && !empty($child.children)}
+            <div class="nav-third-panel" data-panel-index="{$childIndex}">
+              <div class="nav-third-title">{$child.name}</div>
+              <div class="nav-third-grid">
+                {foreach $child.children as $grandchild}
+                <div class="nav-third-item">
+                  <a href="{if !empty($grandchild.file_address)}{$grandchild.file_address}{else/}javascript:;{/if}"
+                    class="nav-third-link" {if !empty($grandchild.blank)}target="_blank" {/if}>
+                    <span class="nav-third-name">{$grandchild.name}</span>
+                    {if !empty($grandchild.description)}
+                    <span class="nav-third-desc">{$grandchild.description}</span>
+                    {/if}
+                  </a>
+                </div>
+                {/foreach}
+              </div>
+            </div>
+            {/if}
+            {/foreach}
+          </div>
+          {else}
+          <!-- 无三级菜单，使用旧版样式 -->
+          <div class="nav-left-sidebar">
+            {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}>
               {if !empty($child.icon)}
               <img src="{$child.icon}" alt="{$child.name}">
               {/if}
@@ -110,10 +135,10 @@
                 <div class="desc">{$child.description}</div>
                 {/if}
               </div>
-            </div>
+            </a>
-          </a>
+            {/foreach}
+          </div>
           {/if}
-          {/foreach}
         </div>
       </div>
       {else /}