diff --git a/.gitignore b/.gitignore
index 1047664..3c1252d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,4 @@ tests/fixtures/
 # SpecStory explanation file
 .specstory/.what-is-this.md
 AGENTS.md
+/.claude
diff --git a/config/README.md b/config/README.md
index 155796d..07caeef 100644
--- a/config/README.md
+++ b/config/README.md
@@ -59,7 +59,7 @@ MeNav 配置系统采用“完全替换”策略（不合并），按以下优
 2. **字段与结构的权威参考**：
    - 全局配置：[`_default/site.yml`](_default/site.yml)
    - 页面配置：[`_default/pages/`](_default/pages/)
-3. **多层级嵌套书签示例**：[`_default/pages/bookmarks-four-level.yml`](_default/pages/bookmarks-four-level.yml)（示例展示到 `groups`；`subgroups` 可参考下方说明或由导入脚本生成）
+3. **多层级嵌套书签示例**：[`_default/pages/bookmarks.yml`](_default/pages/bookmarks.yml)（包含2层、3层、4层结构示例；`subgroups` 可参考下方说明或由导入脚本生成）
 
 ## 模块化配置文件
 
@@ -141,7 +141,7 @@ MeNav 配置系统采用“完全替换”策略（不合并），按以下优
 
 书签与分类支持 2~4 层嵌套，用于更好组织大量站点。建议直接参考默认示例：
 
-- 四层结构示例：[`_default/pages/bookmarks-four-level.yml`](_default/pages/bookmarks-four-level.yml)
+- 多层级结构示例：[`_default/pages/bookmarks.yml`](_default/pages/bookmarks.yml)（包含2层、3层、4层结构示例）
 
 层级命名约定（自顶向下）：
 
diff --git a/config/_default/pages/bookmarks-four-level.yml b/config/_default/pages/bookmarks-four-level.yml
deleted file mode 100644
index 2b4333c..0000000
--- a/config/_default/pages/bookmarks-four-level.yml
+++ /dev/null
@@ -1,313 +0,0 @@
-# 四层级嵌套书签配置示例
-# 展示分类 -> 子分类 -> 分组 -> 网站的四层结构
-# 说明：该页面通常由“书签导入工具”自动生成，手工修改时请保持字段结构一致。
-title: 我的书签
-subtitle: 从浏览器导入的书签收藏
-
-# 指定使用的模板文件名，现有页面模板可见 templates/pages（不含 .hbs）
-template: bookmarks
-
-categories:
-  - name: '技术资源'
-    icon: 'fas fa-laptop-code'
-    subcategories:
-      - name: '前端开发'
-        icon: 'fas fa-code'
-        groups:
-          - name: '框架库'
-            icon: 'fas fa-cube'
-            sites:
-              - name: 'React'
-                url: 'https://reactjs.org/'
-                icon: 'fab fa-react'
-                description: 'React官方文档'
-              - name: 'Vue.js'
-                url: 'https://vuejs.org/'
-                icon: 'fab fa-vuejs'
-                description: 'Vue.js官方文档'
-              - name: 'Angular'
-                url: 'https://angular.io/'
-                icon: 'fab fa-angular'
-                description: 'Angular官方文档'
-              - name: 'Svelte'
-                url: 'https://svelte.dev/'
-                icon: 'fas fa-fire'
-                description: 'Svelte官方文档'
-          - name: '状态管理'
-            icon: 'fas fa-database'
-            sites:
-              - name: 'Redux'
-                url: 'https://redux.js.org/'
-                icon: 'fas fa-database'
-                description: 'Redux状态管理'
-              - name: 'Vuex'
-                url: 'https://vuex.vuejs.org/'
-                icon: 'fas fa-database'
-                description: 'Vue状态管理'
-              - name: 'MobX'
-                url: 'https://mobx.js.org/'
-                icon: 'fas fa-react'
-                description: '响应式状态管理'
-          - name: '构建工具'
-            icon: 'fas fa-tools'
-            sites:
-              - name: 'Webpack'
-                url: 'https://webpack.js.org/'
-                icon: 'fas fa-cube'
-                description: '模块打包工具'
-              - name: 'Vite'
-                url: 'https://vitejs.dev/'
-                icon: 'fas fa-bolt'
-                description: '下一代前端构建工具'
-              - name: 'Rollup'
-                url: 'https://rollupjs.org/'
-                icon: 'fas fa-compress'
-                description: '模块打包器'
-      - name: '后端开发'
-        icon: 'fas fa-server'
-        groups:
-          - name: 'Node.js生态'
-            icon: 'fab fa-node-js'
-            sites:
-              - name: 'Express'
-                url: 'https://expressjs.com/'
-                icon: 'fas fa-server'
-                description: 'Node.js Web框架'
-              - name: 'Koa'
-                url: 'https://koajs.com/'
-                icon: 'fas fa-leaf'
-                description: '下一代Node.js框架'
-              - name: 'NestJS'
-                url: 'https://nestjs.com/'
-                icon: 'fas fa-home'
-                description: 'Node.js企业级框架'
-          - name: 'Python框架'
-            icon: 'fab fa-python'
-            sites:
-              - name: 'Django'
-                url: 'https://www.djangoproject.com/'
-                icon: 'fas fa-python'
-                description: 'Python Web框架'
-              - name: 'Flask'
-                url: 'https://flask.palletsprojects.com/'
-                icon: 'fas fa-flask'
-                description: 'Python微框架'
-              - name: 'FastAPI'
-                url: 'https://fastapi.tiangolo.com/'
-                icon: 'fas fa-bolt'
-                description: '现代Python Web框架'
-          - name: '数据库ORM'
-            icon: 'fas fa-database'
-            sites:
-              - name: 'Prisma'
-                url: 'https://www.prisma.io/'
-                icon: 'fas fa-database'
-                description: '下一代数据库工具'
-              - name: 'TypeORM'
-                url: 'https://typeorm.io/'
-                icon: 'fas fa-database'
-                description: 'TypeScript ORM'
-              - name: 'SQLAlchemy'
-                url: 'https://www.sqlalchemy.org/'
-                icon: 'fas fa-database'
-                description: 'Python SQL工具包'
-
-  - name: '设计资源'
-    icon: 'fas fa-palette'
-    subcategories:
-      - name: 'UI设计工具'
-        icon: 'fas fa-paint-brush'
-        groups:
-          - name: '原型设计'
-            icon: 'fas fa-drafting-compass'
-            sites:
-              - name: 'Figma'
-                url: 'https://www.figma.com/'
-                icon: 'fab fa-figma'
-                description: '协作式UI设计工具'
-              - name: 'Sketch'
-                url: 'https://www.sketch.com/'
-                icon: 'fab fa-sketch'
-                description: 'Mac平台UI设计工具'
-              - name: 'Adobe XD'
-                url: 'https://www.adobe.com/products/xd.html'
-                icon: 'fab fa-adobe'
-                description: 'Adobe UI设计工具'
-          - name: '设计系统'
-            icon: 'fas fa-th-large'
-            sites:
-              - name: 'Ant Design'
-                url: 'https://ant.design/'
-                icon: 'fas fa-th'
-                description: '企业级UI设计语言'
-              - name: 'Material Design'
-                url: 'https://material.io/design'
-                icon: 'fas fa-cube'
-                description: 'Google设计系统'
-              - name: 'Bootstrap'
-                url: 'https://getbootstrap.com/'
-                icon: 'fab fa-bootstrap'
-                description: '响应式CSS框架'
-          - name: '交互设计'
-            icon: 'fas fa-hand-pointer'
-            sites:
-              - name: 'Principle'
-                url: 'https://principleformac.com/'
-                icon: 'fas fa-magic'
-                description: '交互设计工具'
-              - name: 'Framer'
-                url: 'https://www.framer.com/'
-                icon: 'fas fa-mobile-alt'
-                description: '交互式设计工具'
-              - name: 'ProtoPie'
-                url: 'https://www.protopie.io/'
-                icon: 'fas fa-chart-pie'
-                description: '原型制作工具'
-      - name: '视觉资源'
-        icon: 'fas fa-image'
-        groups:
-          - name: '图标库'
-            icon: 'fas fa-icons'
-            sites:
-              - name: 'Font Awesome'
-                url: 'https://fontawesome.com/'
-                icon: 'fab fa-font-awesome'
-                description: '图标库'
-              - name: 'Iconfont'
-                url: 'https://www.iconfont.cn/'
-                icon: 'fas fa-icons'
-                description: '阿里巴巴图标库'
-              - name: 'Feather Icons'
-                url: 'https://feathericons.com/'
-                icon: 'fas fa-feather'
-                description: '简洁的图标库'
-          - name: '插画资源'
-            icon: 'fas fa-paint-brush'
-            sites:
-              - name: 'UnDraw'
-                url: 'https://undraw.co/'
-                icon: 'fas fa-palette'
-                description: '开源插画库'
-              - name: 'Illustrations.co'
-                url: 'https://illustrations.co/'
-                icon: 'fas fa-image'
-                description: '插画资源'
-              - name: 'Storyset'
-                url: 'https://storyset.com/'
-                icon: 'fas fa-book'
-                description: '动画插画库'
-          - name: '配色方案'
-            icon: 'fas fa-palette'
-            sites:
-              - name: 'Coolors'
-                url: 'https://coolors.co/'
-                icon: 'fas fa-palette'
-                description: '在线配色方案生成器'
-              - name: 'Adobe Color'
-                url: 'https://color.adobe.com/'
-                icon: 'fab fa-adobe'
-                description: 'Adobe配色工具'
-              - name: 'Paletton'
-                url: 'https://paletton.com/'
-                icon: 'fas fa-palette'
-                description: '配色方案设计工具'
-
-  - name: '开发工具'
-    icon: 'fas fa-tools'
-    subcategories:
-      - name: '编程工具'
-        icon: 'fas fa-code'
-        groups:
-          - name: '代码编辑器'
-            icon: 'fas fa-code'
-            sites:
-              - name: 'Visual Studio Code'
-                url: 'https://code.visualstudio.com/'
-                icon: 'fas fa-code'
-                description: '微软代码编辑器'
-              - name: 'Sublime Text'
-                url: 'https://www.sublimetext.com/'
-                icon: 'fas fa-file-code'
-                description: '轻量级代码编辑器'
-              - name: 'WebStorm'
-                url: 'https://www.jetbrains.com/webstorm/'
-                icon: 'fab fa-js'
-                description: 'JetBrains前端IDE'
-          - name: '版本控制'
-            icon: 'fas fa-code-branch'
-            sites:
-              - name: 'GitHub'
-                url: 'https://github.com/'
-                icon: 'fab fa-github'
-                description: '代码托管平台'
-              - name: 'GitLab'
-                url: 'https://gitlab.com/'
-                icon: 'fab fa-gitlab'
-                description: 'Git代码管理平台'
-              - name: 'Bitbucket'
-                url: 'https://bitbucket.org/'
-                icon: 'fab fa-bitbucket'
-                description: 'Atlassian代码托管'
-          - name: '调试工具'
-            icon: 'fas fa-bug'
-            sites:
-              - name: 'Chrome DevTools'
-                url: 'https://developers.google.com/web/tools/chrome-devtools'
-                icon: 'fab fa-chrome'
-                description: 'Chrome开发者工具'
-              - name: 'Firefox DevTools'
-                url: 'https://developer.mozilla.org/en-US/docs/Tools'
-                icon: 'fab fa-firefox'
-                description: 'Firefox开发者工具'
-              - name: 'Postman'
-                url: 'https://www.postman.com/'
-                icon: 'fas fa-paper-plane'
-                description: 'API测试工具'
-      - name: '部署运维'
-        icon: 'fas fa-server'
-        groups:
-          - name: '云服务'
-            icon: 'fas fa-cloud'
-            sites:
-              - name: 'AWS'
-                url: 'https://aws.amazon.com/'
-                icon: 'fab fa-aws'
-                description: '亚马逊云服务'
-              - name: 'Azure'
-                url: 'https://azure.microsoft.com/'
-                icon: 'fab fa-microsoft'
-                description: '微软云服务'
-              - name: 'Google Cloud'
-                url: 'https://cloud.google.com/'
-                icon: 'fab fa-google'
-                description: '谷歌云服务'
-          - name: '容器化'
-            icon: 'fas fa-cube'
-            sites:
-              - name: 'Docker'
-                url: 'https://www.docker.com/'
-                icon: 'fab fa-docker'
-                description: '容器化平台'
-              - name: 'Kubernetes'
-                url: 'https://kubernetes.io/'
-                icon: 'fas fa-dharmachakra'
-                description: '容器编排系统'
-              - name: 'Podman'
-                url: 'https://podman.io/'
-                icon: 'fas fa-cube'
-                description: '无守护进程容器引擎'
-          - name: 'CI/CD'
-            icon: 'fas fa-infinity'
-            sites:
-              - name: 'GitHub Actions'
-                url: 'https://github.com/features/actions'
-                icon: 'fab fa-github'
-                description: 'GitHub自动化工具'
-              - name: 'Jenkins'
-                url: 'https://www.jenkins.io/'
-                icon: 'fas fa-infinity'
-                description: '开源自动化服务器'
-              - name: 'GitLab CI'
-                url: 'https://docs.gitlab.com/ee/ci/'
-                icon: 'fab fa-gitlab'
-                description: 'GitLab CI/CD工具'
\ No newline at end of file
diff --git a/config/_default/pages/bookmarks.yml b/config/_default/pages/bookmarks.yml
index 52702bc..b1df588 100644
--- a/config/_default/pages/bookmarks.yml
+++ b/config/_default/pages/bookmarks.yml
@@ -2,36 +2,247 @@
 # 建议复制到 config/user/pages/bookmarks.yml 并按需调整。
 # 说明：该页面通常由“书签导入工具”自动生成，手工修改时请保持字段结构一致。
 title: 我的书签
-subtitle: 从浏览器导入的书签收藏
+subtitle: 网页书签收藏
 
 # 指定使用的模板文件名，现有页面模板可见 templates/pages（不含 .hbs）
 template: bookmarks
 
-# 页面分类与站点列表（大量示例项，按需删减）
 categories:
-  - name: 技术资源
-    icon: fas fa-folder # 分类图标
+  - name: '常用网站'
+    icon: 'fas fa-star'
     sites:
-      - name: GitHub                      # 站点名称
-        url: https://github.com/          # http/https URL（favicon 模式将尝试加载站点图标）
-        icon: fab fa-github               # 手动图标（manual 模式显示；favicon 失败时回退）
-        description: "从书签导入: GitHub" # 描述
-      - name: Stack Overflow
-        url: https://stackoverflow.com/
-        icon: fab fa-stack-overflow
-        description: "从书签导入: Stack Overflow"
-      - name: MDN Web Docs
-        url: https://developer.mozilla.org/
-        icon: fas fa-link
-        description: "从书签导入: MDN Web Docs"
-  - name: 社交媒体
-    icon: fas fa-folder
-    sites:
-      - name: Twitter
-        url: https://twitter.com/
-        icon: fab fa-twitter
-        description: "从书签导入: Twitter"
-      - name: LinkedIn
-        url: https://www.linkedin.com/
-        icon: fab fa-linkedin
-        description: "从书签导入: LinkedIn" 
+      - name: 'GitHub'
+        url: 'https://github.com/'
+        icon: 'fab fa-github'
+        description: '代码托管平台'
+      - name: 'Stack Overflow'
+        url: 'https://stackoverflow.com/'
+        icon: 'fab fa-stack-overflow'
+        description: '程序员问答社区'
+      - name: 'MDN Web Docs'
+        url: 'https://developer.mozilla.org/'
+        icon: 'fas fa-book'
+        description: 'Web开发文档'
+
+  - name: '社交媒体'
+    icon: 'fas fa-share-alt'
+    groups:
+      - name: '国际平台'
+        icon: 'fas fa-globe'
+        sites:
+          - name: 'Twitter'
+            url: 'https://twitter.com/'
+            icon: 'fab fa-twitter'
+            description: '微博客社交平台'
+          - name: 'LinkedIn'
+            url: 'https://www.linkedin.com/'
+            icon: 'fab fa-linkedin'
+            description: '职业社交网络'
+          - name: 'Facebook'
+            url: 'https://www.facebook.com/'
+            icon: 'fab fa-facebook'
+            description: '社交网络服务'
+      - name: '国内平台'
+        icon: 'fas fa-map-marker-alt'
+        sites:
+          - name: '微博'
+            url: 'https://weibo.com/'
+            icon: 'fas fa-comment'
+            description: '中文社交媒体平台'
+          - name: '知乎'
+            url: 'https://www.zhihu.com/'
+            icon: 'fas fa-question-circle'
+            description: '中文问答社区'
+          - name: 'B站'
+            url: 'https://www.bilibili.com/'
+            icon: 'fas fa-video'
+            description: '弹幕视频网站'
+
+  - name: '技术资源'
+    icon: 'fas fa-laptop-code'
+    subcategories:
+      - name: '前端开发'
+        icon: 'fas fa-code'
+        groups:
+          - name: '框架库'
+            icon: 'fas fa-cube'
+            sites:
+              - name: 'React'
+                url: 'https://reactjs.org/'
+                icon: 'fab fa-react'
+                description: 'React官方文档'
+              - name: 'Vue.js'
+                url: 'https://vuejs.org/'
+                icon: 'fab fa-vuejs'
+                description: 'Vue.js官方文档'
+              - name: 'Angular'
+                url: 'https://angular.io/'
+                icon: 'fab fa-angular'
+                description: 'Angular官方文档'
+          - name: '状态管理'
+            icon: 'fas fa-database'
+            sites:
+              - name: 'Redux'
+                url: 'https://redux.js.org/'
+                icon: 'fas fa-database'
+                description: 'Redux状态管理'
+              - name: 'Vuex'
+                url: 'https://vuex.vuejs.org/'
+                icon: 'fas fa-database'
+                description: 'Vue状态管理'
+              - name: 'MobX'
+                url: 'https://mobx.js.org/'
+                icon: 'fas fa-react'
+                description: '响应式状态管理'
+          - name: '构建工具'
+            icon: 'fas fa-tools'
+            sites:
+              - name: 'Webpack'
+                url: 'https://webpack.js.org/'
+                icon: 'fas fa-cube'
+                description: '模块打包工具'
+              - name: 'Vite'
+                url: 'https://vitejs.dev/'
+                icon: 'fas fa-bolt'
+                description: '下一代前端构建工具'
+              - name: 'Rollup'
+                url: 'https://rollupjs.org/'
+                icon: 'fas fa-compress'
+                description: '模块打包器'
+      - name: '后端开发'
+        icon: 'fas fa-server'
+        groups:
+          - name: 'Node.js生态'
+            icon: 'fab fa-node-js'
+            sites:
+              - name: 'Express'
+                url: 'https://expressjs.com/'
+                icon: 'fas fa-server'
+                description: 'Node.js Web框架'
+              - name: 'Koa'
+                url: 'https://koajs.com/'
+                icon: 'fas fa-leaf'
+                description: '下一代Node.js框架'
+              - name: 'NestJS'
+                url: 'https://nestjs.com/'
+                icon: 'fas fa-home'
+                description: 'Node.js企业级框架'
+          - name: 'Python框架'
+            icon: 'fab fa-python'
+            sites:
+              - name: 'Django'
+                url: 'https://www.djangoproject.com/'
+                icon: 'fab fa-python'
+                description: 'Python Web框架'
+              - name: 'Flask'
+                url: 'https://flask.palletsprojects.com/'
+                icon: 'fas fa-flask'
+                description: 'Python微框架'
+              - name: 'FastAPI'
+                url: 'https://fastapi.tiangolo.com/'
+                icon: 'fas fa-bolt'
+                description: '现代Python Web框架'
+
+  - name: '设计资源'
+    icon: 'fas fa-palette'
+    subcategories:
+      - name: 'UI设计工具'
+        icon: 'fas fa-paint-brush'
+        groups:
+          - name: '原型设计'
+            icon: 'fas fa-drafting-compass'
+            sites:
+              - name: 'Figma'
+                url: 'https://www.figma.com/'
+                icon: 'fab fa-figma'
+                description: '协作式UI设计工具'
+              - name: 'Sketch'
+                url: 'https://www.sketch.com/'
+                icon: 'fab fa-sketch'
+                description: 'Mac平台UI设计工具'
+              - name: 'Adobe XD'
+                url: 'https://www.adobe.com/products/xd.html'
+                icon: 'fab fa-adobe'
+                description: 'Adobe UI设计工具'
+          - name: '设计系统'
+            icon: 'fas fa-th-large'
+            sites:
+              - name: 'Ant Design'
+                url: 'https://ant.design/'
+                icon: 'fas fa-th'
+                description: '企业级UI设计语言'
+              - name: 'Material Design'
+                url: 'https://material.io/design'
+                icon: 'fas fa-cube'
+                description: 'Google设计系统'
+              - name: 'Bootstrap'
+                url: 'https://getbootstrap.com/'
+                icon: 'fab fa-bootstrap'
+                description: '响应式CSS框架'
+      - name: '视觉资源'
+        icon: 'fas fa-image'
+        groups:
+          - name: '图标库'
+            icon: 'fas fa-icons'
+            sites:
+              - name: 'Font Awesome'
+                url: 'https://fontawesome.com/'
+                icon: 'fab fa-font-awesome'
+                description: '图标库'
+              - name: 'Iconfont'
+                url: 'https://www.iconfont.cn/'
+                icon: 'fas fa-icons'
+                description: '阿里巴巴图标库'
+              - name: 'Feather Icons'
+                url: 'https://feathericons.com/'
+                icon: 'fas fa-feather'
+                description: '简洁的图标库'
+          - name: '配色方案'
+            icon: 'fas fa-palette'
+            sites:
+              - name: 'Coolors'
+                url: 'https://coolors.co/'
+                icon: 'fas fa-palette'
+                description: '在线配色方案生成器'
+              - name: 'Adobe Color'
+                url: 'https://color.adobe.com/'
+                icon: 'fab fa-adobe'
+                description: 'Adobe配色工具'
+              - name: 'Paletton'
+                url: 'https://paletton.com/'
+                icon: 'fas fa-palette'
+                description: '配色方案设计工具'
+
+  - name: '开发工具'
+    icon: 'fas fa-tools'
+    groups:
+      - name: '代码编辑器'
+        icon: 'fas fa-code'
+        sites:
+          - name: 'Visual Studio Code'
+            url: 'https://code.visualstudio.com/'
+            icon: 'fas fa-code'
+            description: '微软代码编辑器'
+          - name: 'Sublime Text'
+            url: 'https://www.sublimetext.com/'
+            icon: 'fas fa-file-code'
+            description: '轻量级代码编辑器'
+          - name: 'WebStorm'
+            url: 'https://www.jetbrains.com/webstorm/'
+            icon: 'fab fa-js'
+            description: 'JetBrains前端IDE'
+      - name: '版本控制'
+        icon: 'fas fa-code-branch'
+        sites:
+          - name: 'GitHub'
+            url: 'https://github.com/'
+            icon: 'fab fa-github'
+            description: '代码托管平台'
+          - name: 'GitLab'
+            url: 'https://gitlab.com/'
+            icon: 'fab fa-gitlab'
+            description: 'Git代码管理平台'
+          - name: 'Bitbucket'
+            url: 'https://bitbucket.org/'
+            icon: 'fab fa-bitbucket'
+            description: 'Atlassian代码托管'
diff --git a/config/_default/site.yml b/config/_default/site.yml
index efa85ac..9fe3019 100644
--- a/config/_default/site.yml
+++ b/config/_default/site.yml
@@ -67,6 +67,3 @@ navigation:
   - name: 书签
     icon: fas fa-bookmark
     id: bookmarks
-  - name: 书签(多层级)
-    icon: fas fa-bookmark
-    id: bookmarks-four-level