diff --git a/app/components/Footer.tsx b/app/components/Footer.tsx
index e798c314..b772a6f0 100644
--- a/app/components/Footer.tsx
+++ b/app/components/Footer.tsx
@@ -63,7 +63,7 @@ export async function Footer() {
               <ul className="space-y-3 font-body text-sm text-[var(--foreground)]">
                 <li>
                   <Link
-                    href="/docs/ai"
+                    href="/docs/learn/ai"
                     className="hover:text-[#CC0000] transition-colors"
                     data-umami-event="navigation_click"
                     data-umami-event-region="footer"
@@ -74,7 +74,7 @@ export async function Footer() {
                 </li>
                 <li>
                   <Link
-                    href="/docs/computer-science"
+                    href="/docs/learn/cs"
                     className="hover:text-[#CC0000] transition-colors"
                     data-umami-event="navigation_click"
                     data-umami-event-region="footer"
@@ -85,7 +85,7 @@ export async function Footer() {
                 </li>
                 <li>
                   <Link
-                    href="/docs/CommunityShare"
+                    href="/docs/community"
                     className="hover:text-[#CC0000] transition-colors"
                     data-umami-event="navigation_click"
                     data-umami-event-region="footer"
@@ -96,7 +96,7 @@ export async function Footer() {
                 </li>
                 <li>
                   <Link
-                    href="/docs/jobs"
+                    href="/docs/career"
                     className="hover:text-[#CC0000] transition-colors"
                     data-umami-event="navigation_click"
                     data-umami-event-region="footer"
diff --git a/app/components/Hero.tsx b/app/components/Hero.tsx
index e0a5a5fd..c03b5968 100644
--- a/app/components/Hero.tsx
+++ b/app/components/Hero.tsx
@@ -21,22 +21,22 @@ export async function Hero() {
     {
       title: t("categories.ai.title"),
       desc: t("categories.ai.desc"),
-      href: "/docs/ai",
+      href: "/docs/learn/ai",
     },
     {
       title: t("categories.cs.title"),
       desc: t("categories.cs.desc"),
-      href: "/docs/computer-science",
+      href: "/docs/learn/cs",
     },
     {
       title: t("categories.jobs.title"),
       desc: t("categories.jobs.desc"),
-      href: "/docs/jobs/interview-prep/bq",
+      href: "/docs/career/interview-prep/bq",
     },
     {
       title: t("categories.community.title"),
       desc: t("categories.community.desc"),
-      href: "/docs/CommunityShare",
+      href: "/docs/community",
     },
   ];
 
@@ -91,7 +91,7 @@ export async function Hero() {
                 {t("join.body")}
               </p>
               <Link
-                href="/docs/ai"
+                href="/docs/learn/ai"
                 className="block w-full"
                 data-umami-event="navigation_click"
                 data-umami-event-region="hero_cta"
diff --git a/app/components/docs/SectionIndex.tsx b/app/components/docs/SectionIndex.tsx
index b6750ce7..44907d30 100644
--- a/app/components/docs/SectionIndex.tsx
+++ b/app/components/docs/SectionIndex.tsx
@@ -9,8 +9,8 @@ import type { PageTree } from "fumadocs-core/server";
  *
  * 三处使用场景：
  *   1. /docs landing        SectionIndex 不传参                         列出顶层分区（ai / cs / 群友分享 等）
- *   2. CommunityShare 首页   SectionIndex root=CommunityShare            列出 Geek / Leetcode / RAG 等子分类
- *   3. Leetcode 首页         SectionIndex root=CommunityShare/Leetcode   列出全部 Leetcode 题解
+ *   2. community 首页 SectionIndex root=community            列出 Geek / Leetcode / RAG 等子分类
+ *   3. career/interview-prep/leetcode 首页 SectionIndex root=career/interview-prep/leetcode   列出全部 Leetcode 题解
  *
  * ----------------------------------------------------------------------------
  * 为什么不直接用 fumadocs 自带的？
@@ -27,7 +27,7 @@ import type { PageTree } from "fumadocs-core/server";
  *     children:
  *       Folder
  *         name = AI 知识库
- *         index = Page(url=/docs/ai, name=AI 知识库)      // 有 index.mdx
+ *         index = Page(url=/docs/learn/ai, name=AI 知识库)      // 有 index.mdx
  *         children: [Page, Folder, ...]
  *       Folder
  *         name = All projects
@@ -53,7 +53,7 @@ type FolderNode = Extract<PageTree.Node, { type: "folder" }>;
 
 interface SectionIndexProps {
   /**
-   * 从 pageTree 根往下走的目录路径，段之间用 / 分隔，例如 CommunityShare/Leetcode。
+   * 从 pageTree 根往下走的目录路径，段之间用 / 分隔，例如 career/interview-prep/leetcode。
    * 不传 = 直接用 pageTree 根节点本身（用于 /docs landing）。
    */
   root?: string;
@@ -69,9 +69,9 @@ interface CardEntry {
 /**
  * 从 pageTree 根一路钻到 root 指定的目录节点。
  *
- * 举例：root = CommunityShare/Leetcode
- *   1) 根的 children 里找 segmentName = CommunityShare 的 folder
- *   2) 再在这个 folder 的 children 里找 segmentName = Leetcode 的 folder
+ * 举例：root = career/interview-prep/leetcode
+ *   1) 根的 children 里找 segmentName = career 的 folder
+ *   2) 再在这个 folder 的 children 里找 segmentName = interview-prep/leetcode 的 folder
  *   3) 返回这个 folder 节点
  *
  * 任一段找不到就返回 null（组件会渲染一个明显的错误提示，而不是静默空页）。
@@ -101,7 +101,7 @@ function findFolderByPath(
  * 为什么不直接用 folder.name：
  * fumadocs 的 FolderNode.name 是 ReactNode 类型（可能是 string，也可能是 JSX），
  * 直接字符串比较会在极端情况踩坑。更可靠的办法是从 folder.index.url 反推——
- * 比如 /docs/CommunityShare/Geek 最后一段 Geek 就是目录名。
+ * 比如 /docs/community/dev-tips 最后一段 Geek 就是目录名。
  *
  * 没 index 时退回 name.toString()。目前仓库里这种情况目录名都是纯字符串，
  * 所以兜底够用。
@@ -154,10 +154,10 @@ function buildCanonicalUrlSet(): Set<string> {
  * 用途：folder 没有自己的 index.mdx 时，不能硬拼 /docs/<folder> 做卡片链接（Next 路由
  * 里没这条，会 404）。所以往里走一层，找到第一个 page 文件的 url 拿来做兜底链接。比如：
  *
- *   CommunityShare/Language/         没 index.mdx
+ *   community/language/         没 index.mdx
  *     pte-intro.mdx                   用这篇的 url 做兜底
  *
- * 点击卡片会进到 /docs/CommunityShare/Language/pte-intro，不会 404。
+ * 点击卡片会进到 /docs/community/language/pte-intro，不会 404。
  */
 function findFirstPageUrl(
   nodes: PageTree.Node[],
diff --git a/app/docs/[...slug]/page.tsx b/app/docs/[...slug]/page.tsx
index 45dba950..abec4d5a 100644
--- a/app/docs/[...slug]/page.tsx
+++ b/app/docs/[...slug]/page.tsx
@@ -195,7 +195,7 @@ export async function generateMetadata({ params }: Param): Promise<Metadata> {
     notFound();
   }
 
-  // 规范化 slug → canonical 路径。用户访问 /docs/ai/rl（原文）或 /docs/ai/rl.en（翻译版）
+  // 规范化 slug → canonical 路径。用户访问 /docs/learn/ai/rl（原文）或 /docs/learn/ai/rl.en（翻译版）
   // 都统一指向原始 slug，避免两个 URL 竞争同一份内容的 PageRank。
   const slugPath = (slug ?? []).join("/");
   const canonical = slugPath ? `/docs/${slugPath}` : "/docs";
diff --git a/app/docs/jobs/event-keynote/coffee-chat.en.md b/app/docs/career/events/coffee-chat.en.md
similarity index 97%
rename from app/docs/jobs/event-keynote/coffee-chat.en.md
rename to app/docs/career/events/coffee-chat.en.md
index 496e1fc8..fece6ee3 100644
--- a/app/docs/jobs/event-keynote/coffee-chat.en.md
+++ b/app/docs/career/events/coffee-chat.en.md
@@ -3,7 +3,12 @@ title: Senior Tech-Industry Engineer Coffee Chat Recap
 description: ""
 date: "2025-11-01"
 tags:
-  - tag-one
+  - career
+  - networking
+  - tech-industry
+  - australia-job-market
+  - career-path
+  - sre
 docId: ld59a8z1v84ig4rlr0p0n2a9
 lang: en
 translatedFrom: zh
@@ -94,7 +99,7 @@ Planning your timeline well in advance is crucial — internships are often the
 
 - Connect broadly on LinkedIn to build your personal platform — treat it as a professional showcase, not a social feed;
 - Real internal company transition example: "From Amazon IT Support to Developer";
-- Highly recommended: [Student Job Preparation Guide](https://involutionhell.vercel.app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student).
+- Highly recommended: [Student Job Preparation Guide](https://involutionhell.com/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student).
 
 ## 6. Visa and International Career Paths: The E-3 Visa
 
diff --git a/app/docs/jobs/event-keynote/coffee-chat.md b/app/docs/career/events/coffee-chat.md
similarity index 96%
rename from app/docs/jobs/event-keynote/coffee-chat.md
rename to app/docs/career/events/coffee-chat.md
index e0f16979..f3e44588 100644
--- a/app/docs/jobs/event-keynote/coffee-chat.md
+++ b/app/docs/career/events/coffee-chat.md
@@ -3,7 +3,12 @@ title: 资深科技大厂程序员Coffee Chat回顾
 description: ""
 date: "2025-11-01"
 tags:
-  - tag-one
+  - career
+  - networking
+  - tech-industry
+  - australia-job-market
+  - career-path
+  - sre
 docId: ld59a8z1v84ig4rlr0p0n2a9
 ---
 
@@ -90,7 +95,7 @@ R 老师提醒：**实习申请需提前半年准备**，一般在 2–4 月开
 
 - 领英可以多connect一些人，展示自己的平台，不要当朋友圈发；
 - 真实公司内部转型案例：“从亚麻 IT Support 转 Dev”；
-- 干货推荐：[学生求职准备指南](https://involutionhell.vercel.app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student)。
+- 干货推荐：[学生求职准备指南](https://involutionhell.com/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student)。
 
 ## 六、签证与国际发展路径：E3 签证
 
diff --git a/app/docs/jobs/event-keynote/event-takeway.en.md b/app/docs/career/events/event-takeway.en.md
similarity index 100%
rename from app/docs/jobs/event-keynote/event-takeway.en.md
rename to app/docs/career/events/event-takeway.en.md
diff --git a/app/docs/jobs/event-keynote/event-takeway.md b/app/docs/career/events/event-takeway.md
similarity index 100%
rename from app/docs/jobs/event-keynote/event-takeway.md
rename to app/docs/career/events/event-takeway.md
diff --git a/app/docs/career/index.mdx b/app/docs/career/index.mdx
new file mode 100644
index 00000000..b5b13f06
--- /dev/null
+++ b/app/docs/career/index.mdx
@@ -0,0 +1,15 @@
+---
+title: Career
+description: 求职准备、面试经验、社群活动——从刷题到拿 offer 的全流程。
+date: "2026-04-18"
+docId: crr0001index2026041800000001
+---
+
+import { SectionIndex } from "@/app/components/docs/SectionIndex";
+
+求职场景的一站式内容：
+
+- **Interview Prep**：刷题（LeetCode）、BQ、OA、Video Interview 技巧
+- **Events**：Coffee Chat、Mock Interview、Career Journey 等社群活动回顾
+
+<SectionIndex root="career" />
diff --git a/app/docs/jobs/interview-prep/bq.en.md b/app/docs/career/interview-prep/bq.en.md
similarity index 100%
rename from app/docs/jobs/interview-prep/bq.en.md
rename to app/docs/career/interview-prep/bq.en.md
diff --git a/app/docs/jobs/interview-prep/bq.md b/app/docs/career/interview-prep/bq.md
similarity index 100%
rename from app/docs/jobs/interview-prep/bq.md
rename to app/docs/career/interview-prep/bq.md
diff --git a/app/docs/jobs/interview-prep/interview-tips.en.mdx b/app/docs/career/interview-prep/interview-tips.en.mdx
similarity index 98%
rename from app/docs/jobs/interview-prep/interview-tips.en.mdx
rename to app/docs/career/interview-prep/interview-tips.en.mdx
index 29d76160..8d579a4b 100644
--- a/app/docs/jobs/interview-prep/interview-tips.en.mdx
+++ b/app/docs/career/interview-prep/interview-tips.en.mdx
@@ -3,7 +3,11 @@ title: "Conquering Every Interview Stage | OA Coding Grind, HireVue Score Tricks
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - interview-preparation
+  - online-assessment
+  - video-interview
+  - group-interview
+  - australia-job-market
 docId: fkk8ghklsr15a0s3vcxnswnj
 lang: en
 translatedFrom: zh
diff --git a/app/docs/jobs/interview-prep/interview-tips.mdx b/app/docs/career/interview-prep/interview-tips.mdx
similarity index 97%
rename from app/docs/jobs/interview-prep/interview-tips.mdx
rename to app/docs/career/interview-prep/interview-tips.mdx
index 38d72d74..4447d8c1 100644
--- a/app/docs/jobs/interview-prep/interview-tips.mdx
+++ b/app/docs/career/interview-prep/interview-tips.mdx
@@ -3,7 +3,11 @@ title: "面试阶段逐关击破 | OA刷题血泪史 + VI分数偷看技巧 + 
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - interview-preparation
+  - online-assessment
+  - video-interview
+  - group-interview
+  - australia-job-market
 docId: fkk8ghklsr15a0s3vcxnswnj
 ---
 
diff --git a/app/docs/CommunityShare/Leetcode/1004-max-consecutive-ones-iii.en.md b/app/docs/career/interview-prep/leetcode/1004-max-consecutive-ones-iii.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/1004-max-consecutive-ones-iii.en.md
rename to app/docs/career/interview-prep/leetcode/1004-max-consecutive-ones-iii.en.md
diff --git a/app/docs/CommunityShare/Leetcode/1004_translated.md b/app/docs/career/interview-prep/leetcode/1004_translated.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/1004_translated.md
rename to app/docs/career/interview-prep/leetcode/1004_translated.md
diff --git a/app/docs/CommunityShare/Leetcode/121-best-time-to-buy-and-sell-stock.en.md b/app/docs/career/interview-prep/leetcode/121-best-time-to-buy-and-sell-stock.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/121-best-time-to-buy-and-sell-stock.en.md
rename to app/docs/career/interview-prep/leetcode/121-best-time-to-buy-and-sell-stock.en.md
diff --git a/app/docs/CommunityShare/Leetcode/1234-replace-substring-for-balanced-string.en.md b/app/docs/career/interview-prep/leetcode/1234-replace-substring-for-balanced-string.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/1234-replace-substring-for-balanced-string.en.md
rename to app/docs/career/interview-prep/leetcode/1234-replace-substring-for-balanced-string.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/1234. \346\233\277\346\215\242\345\255\220\344\270\262\345\276\227\345\210\260\345\271\263\350\241\241\345\255\227\347\254\246\344\270\262_translated.md" "b/app/docs/career/interview-prep/leetcode/1234. \346\233\277\346\215\242\345\255\220\344\270\262\345\276\227\345\210\260\345\271\263\350\241\241\345\255\227\347\254\246\344\270\262_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/1234. \346\233\277\346\215\242\345\255\220\344\270\262\345\276\227\345\210\260\345\271\263\350\241\241\345\255\227\347\254\246\344\270\262_translated.md"
rename to "app/docs/career/interview-prep/leetcode/1234. \346\233\277\346\215\242\345\255\220\344\270\262\345\276\227\345\210\260\345\271\263\350\241\241\345\255\227\347\254\246\344\270\262_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/1333-filter-restaurants-by-vegan-friendly-price-and-distance.en.md b/app/docs/career/interview-prep/leetcode/1333-filter-restaurants-by-vegan-friendly-price-and-distance.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/1333-filter-restaurants-by-vegan-friendly-price-and-distance.en.md
rename to app/docs/career/interview-prep/leetcode/1333-filter-restaurants-by-vegan-friendly-price-and-distance.en.md
diff --git a/app/docs/CommunityShare/Leetcode/142-linked-list-cycle-ii.en.md b/app/docs/career/interview-prep/leetcode/142-linked-list-cycle-ii.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/142-linked-list-cycle-ii.en.md
rename to app/docs/career/interview-prep/leetcode/142-linked-list-cycle-ii.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md" "b/app/docs/career/interview-prep/leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md"
similarity index 93%
rename from "app/docs/CommunityShare/Leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md"
rename to "app/docs/career/interview-prep/leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md"
index 00d24fb7..690952e6 100644
--- "a/app/docs/CommunityShare/Leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md"
+++ "b/app/docs/career/interview-prep/leetcode/142.\347\216\257\345\275\242\351\223\276\350\241\250II_translated.md"
@@ -23,7 +23,7 @@ docId: ylpucy1rbbnfpe3t62u8kcfq
 [//]: #
 [//]: # "<p><strong>Exemplary example 1：</strong></p>"
 [//]: #
-[//]: # '<p>&lt;img src="https://assets.leetcode.com/uploads/2018/12/07/circularlinkedlist.png" /&gt;</p>'
+[//]: # '<p><img src="https://assets.leetcode.com/uploads/2018/12/07/circularlinkedlist.png" /></p>'
 [//]: #
 [//]: # "<pre>"
 [//]: # "<strong>enter：</strong>head = [3,2,0,-4], pos = 1"
@@ -33,7 +33,7 @@ docId: ylpucy1rbbnfpe3t62u8kcfq
 [//]: #
 [//]: # "<p><strong>Exemplary example 2：</strong></p>"
 [//]: #
-[//]: # '<p>&lt;img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/07/circularlinkedlist_test2.png" /&gt;</p>'
+[//]: # '<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/07/circularlinkedlist_test2.png" /></p>'
 [//]: #
 [//]: # "<pre>"
 [//]: # "<strong>enter：</strong>head = [1,2], pos = 0"
@@ -43,7 +43,7 @@ docId: ylpucy1rbbnfpe3t62u8kcfq
 [//]: #
 [//]: # "<p><strong>Exemplary example 3：</strong></p>"
 [//]: #
-[//]: # '<p>&lt;img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/07/circularlinkedlist_test3.png" /&gt;</p>'
+[//]: # '<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/07/circularlinkedlist_test3.png" /></p>'
 [//]: #
 [//]: # "<pre>"
 [//]: # "<strong>enter：</strong>head = [1], pos = -1"
@@ -57,7 +57,7 @@ docId: ylpucy1rbbnfpe3t62u8kcfq
 [//]: #
 [//]: # "<ul> "
 [//]: # " <li>Linked中节点的数目范围在范围 <code>[0, 10<sup>4</sup>]</code> Inside</li> "
-[//]: # " <li><code>-10<sup>5</sup> &lt;= Node.val &lt;= 10&lt;sup&gt;5</sup></code></li> "
+[//]: # " <li><code>-10<sup>5</sup> <= Node.val <= 10<sup>5</sup></code></li> "
 [//]: # " <li><code>pos</code> Value <code>-1</code> 或者Linked中的一indivualhave效索引</li> "
 [//]: # "</ul>"
 
diff --git a/app/docs/CommunityShare/Leetcode/146-lru-cache.en.md b/app/docs/career/interview-prep/leetcode/146-lru-cache.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/146-lru-cache.en.md
rename to app/docs/career/interview-prep/leetcode/146-lru-cache.en.md
diff --git a/app/docs/CommunityShare/Leetcode/1545-find-kth-bit-in-nth-binary-string.en.md b/app/docs/career/interview-prep/leetcode/1545-find-kth-bit-in-nth-binary-string.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/1545-find-kth-bit-in-nth-binary-string.en.md
rename to app/docs/career/interview-prep/leetcode/1545-find-kth-bit-in-nth-binary-string.en.md
diff --git a/app/docs/CommunityShare/Leetcode/1653-minimum-deletions-to-make-string-balanced.en.md b/app/docs/career/interview-prep/leetcode/1653-minimum-deletions-to-make-string-balanced.en.md
similarity index 100%
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diff --git a/app/docs/CommunityShare/Leetcode/3138. Minimum Length of Anagram Concatenation.md b/app/docs/career/interview-prep/leetcode/3138. Minimum Length of Anagram Concatenation.md
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rename from app/docs/CommunityShare/Leetcode/3138. Minimum Length of Anagram Concatenation.md
rename to app/docs/career/interview-prep/leetcode/3138. Minimum Length of Anagram Concatenation.md
diff --git a/app/docs/CommunityShare/Leetcode/345-reverse-vowels-of-a-string.en.md b/app/docs/career/interview-prep/leetcode/345-reverse-vowels-of-a-string.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/345-reverse-vowels-of-a-string.en.md
rename to app/docs/career/interview-prep/leetcode/345-reverse-vowels-of-a-string.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/345. \345\217\215\350\275\254\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\345\205\203\351\237\263\345\255\227\346\257\215_translated.md" "b/app/docs/career/interview-prep/leetcode/345. \345\217\215\350\275\254\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\345\205\203\351\237\263\345\255\227\346\257\215_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/345. \345\217\215\350\275\254\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\345\205\203\351\237\263\345\255\227\346\257\215_translated.md"
rename to "app/docs/career/interview-prep/leetcode/345. \345\217\215\350\275\254\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\345\205\203\351\237\263\345\255\227\346\257\215_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/42-trapping-rain-water.en.md b/app/docs/career/interview-prep/leetcode/42-trapping-rain-water.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/42-trapping-rain-water.en.md
rename to app/docs/career/interview-prep/leetcode/42-trapping-rain-water.en.md
diff --git a/app/docs/CommunityShare/Leetcode/42.md b/app/docs/career/interview-prep/leetcode/42.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/42.md
rename to app/docs/career/interview-prep/leetcode/42.md
diff --git a/app/docs/CommunityShare/Leetcode/46-permutations.zh.md b/app/docs/career/interview-prep/leetcode/46-permutations.zh.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/46-permutations.zh.md
rename to app/docs/career/interview-prep/leetcode/46-permutations.zh.md
diff --git "a/app/docs/CommunityShare/Leetcode/46.\345\205\250\346\216\222\345\210\227.md" "b/app/docs/career/interview-prep/leetcode/46.\345\205\250\346\216\222\345\210\227.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/46.\345\205\250\346\216\222\345\210\227.md"
rename to "app/docs/career/interview-prep/leetcode/46.\345\205\250\346\216\222\345\210\227.md"
diff --git a/app/docs/CommunityShare/Leetcode/538-convert-bst-to-greater-sum-tree.en.md b/app/docs/career/interview-prep/leetcode/538-convert-bst-to-greater-sum-tree.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/538-convert-bst-to-greater-sum-tree.en.md
rename to app/docs/career/interview-prep/leetcode/538-convert-bst-to-greater-sum-tree.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/538.\346\212\212\344\272\214\345\217\211\346\220\234\347\264\242\346\240\221\350\275\254\346\215\242\344\270\272\347\264\257\345\212\240\346\240\221_translated.md" "b/app/docs/career/interview-prep/leetcode/538.\346\212\212\344\272\214\345\217\211\346\220\234\347\264\242\346\240\221\350\275\254\346\215\242\344\270\272\347\264\257\345\212\240\346\240\221_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/538.\346\212\212\344\272\214\345\217\211\346\220\234\347\264\242\346\240\221\350\275\254\346\215\242\344\270\272\347\264\257\345\212\240\346\240\221_translated.md"
rename to "app/docs/career/interview-prep/leetcode/538.\346\212\212\344\272\214\345\217\211\346\220\234\347\264\242\346\240\221\350\275\254\346\215\242\344\270\272\347\264\257\345\212\240\346\240\221_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/6323-distribute-money-to-maximum-children.en.md b/app/docs/career/interview-prep/leetcode/6323-distribute-money-to-maximum-children.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/6323-distribute-money-to-maximum-children.en.md
rename to app/docs/career/interview-prep/leetcode/6323-distribute-money-to-maximum-children.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/6323. \345\260\206\351\222\261\345\210\206\347\273\231\346\234\200\345\244\232\347\232\204\345\204\277\347\253\245_translated.md" "b/app/docs/career/interview-prep/leetcode/6323. \345\260\206\351\222\261\345\210\206\347\273\231\346\234\200\345\244\232\347\232\204\345\204\277\347\253\245_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/6323. \345\260\206\351\222\261\345\210\206\347\273\231\346\234\200\345\244\232\347\232\204\345\204\277\347\253\245_translated.md"
rename to "app/docs/career/interview-prep/leetcode/6323. \345\260\206\351\222\261\345\210\206\347\273\231\346\234\200\345\244\232\347\232\204\345\204\277\347\253\245_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/76-minimum-window-substring.en.md b/app/docs/career/interview-prep/leetcode/76-minimum-window-substring.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/76-minimum-window-substring.en.md
rename to app/docs/career/interview-prep/leetcode/76-minimum-window-substring.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/76\346\234\200\345\260\217\350\246\206\347\233\226\345\255\220\344\270\262_translated.md" "b/app/docs/career/interview-prep/leetcode/76\346\234\200\345\260\217\350\246\206\347\233\226\345\255\220\344\270\262_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/76\346\234\200\345\260\217\350\246\206\347\233\226\345\255\220\344\270\262_translated.md"
rename to "app/docs/career/interview-prep/leetcode/76\346\234\200\345\260\217\350\246\206\347\233\226\345\255\220\344\270\262_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/80-remove-duplicates-from-sorted-array-ii.en.md b/app/docs/career/interview-prep/leetcode/80-remove-duplicates-from-sorted-array-ii.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/80-remove-duplicates-from-sorted-array-ii.en.md
rename to app/docs/career/interview-prep/leetcode/80-remove-duplicates-from-sorted-array-ii.en.md
diff --git a/app/docs/CommunityShare/Leetcode/80_translated.md b/app/docs/career/interview-prep/leetcode/80_translated.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/80_translated.md
rename to app/docs/career/interview-prep/leetcode/80_translated.md
diff --git a/app/docs/CommunityShare/Leetcode/9021-tut-3-25t1.zh.md b/app/docs/career/interview-prep/leetcode/9021-tut-3-25t1.zh.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/9021-tut-3-25t1.zh.md
rename to app/docs/career/interview-prep/leetcode/9021-tut-3-25t1.zh.md
diff --git a/app/docs/CommunityShare/Leetcode/9021_TUT_3_25T1.md b/app/docs/career/interview-prep/leetcode/9021_TUT_3_25T1.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/9021_TUT_3_25T1.md
rename to app/docs/career/interview-prep/leetcode/9021_TUT_3_25T1.md
diff --git a/app/docs/CommunityShare/Leetcode/93-restore-ip-addresses.zh.md b/app/docs/career/interview-prep/leetcode/93-restore-ip-addresses.zh.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/93-restore-ip-addresses.zh.md
rename to app/docs/career/interview-prep/leetcode/93-restore-ip-addresses.zh.md
diff --git "a/app/docs/CommunityShare/Leetcode/93\345\244\215\345\216\237Ip\345\234\260\345\235\200.md" "b/app/docs/career/interview-prep/leetcode/93\345\244\215\345\216\237Ip\345\234\260\345\235\200.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/93\345\244\215\345\216\237Ip\345\234\260\345\235\200.md"
rename to "app/docs/career/interview-prep/leetcode/93\345\244\215\345\216\237Ip\345\234\260\345\235\200.md"
diff --git a/app/docs/CommunityShare/Leetcode/994-rotting-oranges.en.md b/app/docs/career/interview-prep/leetcode/994-rotting-oranges.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/994-rotting-oranges.en.md
rename to app/docs/career/interview-prep/leetcode/994-rotting-oranges.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/994.\350\205\220\347\203\202\347\232\204\346\251\230\345\255\220_translated.md" "b/app/docs/career/interview-prep/leetcode/994.\350\205\220\347\203\202\347\232\204\346\251\230\345\255\220_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/994.\350\205\220\347\203\202\347\232\204\346\251\230\345\255\220_translated.md"
rename to "app/docs/career/interview-prep/leetcode/994.\350\205\220\347\203\202\347\232\204\346\251\230\345\255\220_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/Counting Stars-Inter-Uni Programming Contest.md b/app/docs/career/interview-prep/leetcode/Counting Stars-Inter-Uni Programming Contest.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/Counting Stars-Inter-Uni Programming Contest.md
rename to app/docs/career/interview-prep/leetcode/Counting Stars-Inter-Uni Programming Contest.md
diff --git "a/app/docs/CommunityShare/Leetcode/[121]\344\271\260\345\215\226\350\202\241\347\245\250\347\232\204\346\234\200\344\275\263\346\227\266\346\234\237_translated.md" "b/app/docs/career/interview-prep/leetcode/[121]\344\271\260\345\215\226\350\202\241\347\245\250\347\232\204\346\234\200\344\275\263\346\227\266\346\234\237_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[121]\344\271\260\345\215\226\350\202\241\347\245\250\347\232\204\346\234\200\344\275\263\346\227\266\346\234\237_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[121]\344\271\260\345\215\226\350\202\241\347\245\250\347\232\204\346\234\200\344\275\263\346\227\266\346\234\237_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[1333]\351\244\220\345\216\205\350\277\207\346\273\244\345\231\250_translated.md" "b/app/docs/career/interview-prep/leetcode/[1333]\351\244\220\345\216\205\350\277\207\346\273\244\345\231\250_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[1333]\351\244\220\345\216\205\350\277\207\346\273\244\345\231\250_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[1333]\351\244\220\345\216\205\350\277\207\346\273\244\345\231\250_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[146]LRU \347\274\223\345\255\230_translated.md" "b/app/docs/career/interview-prep/leetcode/[146]LRU \347\274\223\345\255\230_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[146]LRU \347\274\223\345\255\230_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[146]LRU \347\274\223\345\255\230_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[1545]\346\211\276\345\207\272\347\254\254 N \344\270\252\344\272\214\350\277\233\345\210\266\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\347\254\254 K \344\275\215.md" "b/app/docs/career/interview-prep/leetcode/[1545]\346\211\276\345\207\272\347\254\254 N \344\270\252\344\272\214\350\277\233\345\210\266\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\347\254\254 K \344\275\215.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[1545]\346\211\276\345\207\272\347\254\254 N \344\270\252\344\272\214\350\277\233\345\210\266\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\347\254\254 K \344\275\215.md"
rename to "app/docs/career/interview-prep/leetcode/[1545]\346\211\276\345\207\272\347\254\254 N \344\270\252\344\272\214\350\277\233\345\210\266\345\255\227\347\254\246\344\270\262\344\270\255\347\232\204\347\254\254 K \344\275\215.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[213]\346\211\223\345\256\266\345\212\253\350\210\215 II_translated.md" "b/app/docs/career/interview-prep/leetcode/[213]\346\211\223\345\256\266\345\212\253\350\210\215 II_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[213]\346\211\223\345\256\266\345\212\253\350\210\215 II_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[213]\346\211\223\345\256\266\345\212\253\350\210\215 II_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[2490]\345\233\236\347\216\257\345\217\245_translated.md" "b/app/docs/career/interview-prep/leetcode/[2490]\345\233\236\347\216\257\345\217\245_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[2490]\345\233\236\347\216\257\345\217\245_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[2490]\345\233\236\347\216\257\345\217\245_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[2562]\346\211\276\345\207\272\346\225\260\347\273\204\347\232\204\344\270\262\350\201\224\345\200\274_translated.md" "b/app/docs/career/interview-prep/leetcode/[2562]\346\211\276\345\207\272\346\225\260\347\273\204\347\232\204\344\270\262\350\201\224\345\200\274_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[2562]\346\211\276\345\207\272\346\225\260\347\273\204\347\232\204\344\270\262\350\201\224\345\200\274_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[2562]\346\211\276\345\207\272\346\225\260\347\273\204\347\232\204\344\270\262\350\201\224\345\200\274_translated.md"
diff --git "a/app/docs/CommunityShare/Leetcode/[2582]\351\200\222\346\236\225\345\244\264_translated.md" "b/app/docs/career/interview-prep/leetcode/[2582]\351\200\222\346\236\225\345\244\264_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/[2582]\351\200\222\346\236\225\345\244\264_translated.md"
rename to "app/docs/career/interview-prep/leetcode/[2582]\351\200\222\346\236\225\345\244\264_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/brief-alternate-homework-help.en.md b/app/docs/career/interview-prep/leetcode/brief-alternate-homework-help.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/brief-alternate-homework-help.en.md
rename to app/docs/career/interview-prep/leetcode/brief-alternate-homework-help.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/brief_alternate \344\275\234\344\270\232\345\270\256\345\277\231_translated.md" "b/app/docs/career/interview-prep/leetcode/brief_alternate \344\275\234\344\270\232\345\270\256\345\277\231_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/brief_alternate \344\275\234\344\270\232\345\270\256\345\277\231_translated.md"
rename to "app/docs/career/interview-prep/leetcode/brief_alternate \344\275\234\344\270\232\345\270\256\345\277\231_translated.md"
diff --git a/app/docs/CommunityShare/Leetcode/counting-stars-inter-uni-programming-contest.zh.md b/app/docs/career/interview-prep/leetcode/counting-stars-inter-uni-programming-contest.zh.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/counting-stars-inter-uni-programming-contest.zh.md
rename to app/docs/career/interview-prep/leetcode/counting-stars-inter-uni-programming-contest.zh.md
diff --git a/app/docs/CommunityShare/Leetcode/index.mdx b/app/docs/career/interview-prep/leetcode/index.mdx
similarity index 84%
rename from app/docs/CommunityShare/Leetcode/index.mdx
rename to app/docs/career/interview-prep/leetcode/index.mdx
index ce3a2590..03f849c9 100644
--- a/app/docs/CommunityShare/Leetcode/index.mdx
+++ b/app/docs/career/interview-prep/leetcode/index.mdx
@@ -10,4 +10,4 @@ import { SectionIndex } from "@/app/components/docs/SectionIndex";
 
 欢迎查阅 Leetcode 相关的分享内容。
 
-<SectionIndex root="CommunityShare/Leetcode" />
+<SectionIndex root="career/interview-prep/leetcode" />
diff --git a/app/docs/CommunityShare/Leetcode/sword-offer-ii-021-remove-nth-node-from-end-of-list.en.md b/app/docs/career/interview-prep/leetcode/sword-offer-ii-021-remove-nth-node-from-end-of-list.en.md
similarity index 100%
rename from app/docs/CommunityShare/Leetcode/sword-offer-ii-021-remove-nth-node-from-end-of-list.en.md
rename to app/docs/career/interview-prep/leetcode/sword-offer-ii-021-remove-nth-node-from-end-of-list.en.md
diff --git "a/app/docs/CommunityShare/Leetcode/\345\211\221\346\214\207 Offer II 021. \345\210\240\351\231\244\351\223\276\350\241\250\347\232\204\345\200\222\346\225\260\347\254\254 n \344\270\252\347\273\223\347\202\271_translated.md" "b/app/docs/career/interview-prep/leetcode/\345\211\221\346\214\207 Offer II 021. \345\210\240\351\231\244\351\223\276\350\241\250\347\232\204\345\200\222\346\225\260\347\254\254 n \344\270\252\347\273\223\347\202\271_translated.md"
similarity index 100%
rename from "app/docs/CommunityShare/Leetcode/\345\211\221\346\214\207 Offer II 021. \345\210\240\351\231\244\351\223\276\350\241\250\347\232\204\345\200\222\346\225\260\347\254\254 n \344\270\252\347\273\223\347\202\271_translated.md"
rename to "app/docs/career/interview-prep/leetcode/\345\211\221\346\214\207 Offer II 021. \345\210\240\351\231\244\351\223\276\350\241\250\347\232\204\345\200\222\346\225\260\347\254\254 n \344\270\252\347\273\223\347\202\271_translated.md"
diff --git a/app/docs/jobs/interview-prep/pre-interview.en.md b/app/docs/career/interview-prep/pre-interview.en.md
similarity index 98%
rename from app/docs/jobs/interview-prep/pre-interview.en.md
rename to app/docs/career/interview-prep/pre-interview.en.md
index 25e38d14..47339507 100644
--- a/app/docs/jobs/interview-prep/pre-interview.en.md
+++ b/app/docs/career/interview-prep/pre-interview.en.md
@@ -3,7 +3,8 @@ title: "Must-Read Before Your Interview: Four Tips That Significantly Boost Your
 description: ""
 date: "2025-09-28"
 tags:
-  - tag-one
+  - interview-preparation
+  - career
 docId: cgo4lweflk5jx1hsncr8hshk
 lang: en
 translatedFrom: zh
diff --git a/app/docs/jobs/interview-prep/pre-interview.md b/app/docs/career/interview-prep/pre-interview.md
similarity index 98%
rename from app/docs/jobs/interview-prep/pre-interview.md
rename to app/docs/career/interview-prep/pre-interview.md
index 48c407bd..6d2f7a26 100644
--- a/app/docs/jobs/interview-prep/pre-interview.md
+++ b/app/docs/career/interview-prep/pre-interview.md
@@ -3,7 +3,8 @@ title: " 面试前必看：掌握这四个小技巧，你的成功率会大大
 description: ""
 date: "2025-09-28"
 tags:
-  - tag-one
+  - interview-preparation
+  - career
 docId: cgo4lweflk5jx1hsncr8hshk
 ---
 
diff --git a/app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx b/app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx
similarity index 99%
rename from app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx
rename to app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx
index c61ef16d..a3099c02 100644
--- a/app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx
+++ b/app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.en.mdx
@@ -3,7 +3,10 @@ title: A Programmer's Guide to Job Searching and Internships as a Student
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - internship
+  - job-search
+  - new-grad
+  - student-career
 docId: pne40puz5alzsf0f5jb0frbm
 lang: en
 translatedFrom: zh
diff --git a/app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.mdx b/app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.mdx
similarity index 99%
rename from app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.mdx
rename to app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.mdx
index 4d713f97..c0448ba4 100644
--- a/app/docs/jobs/interview-prep/preparations-to-get-an-offer-as-a-student.mdx
+++ b/app/docs/career/interview-prep/preparations-to-get-an-offer-as-a-student.mdx
@@ -3,7 +3,10 @@ title: 程序员学生时期求职与实习经验分享
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - internship
+  - job-search
+  - new-grad
+  - student-career
 docId: pne40puz5alzsf0f5jb0frbm
 ---
 
diff --git a/app/docs/CommunityShare/Geek/CommonUsedMarkdown.assets/testpic1.jpg b/app/docs/community/dev-tips/CommonUsedMarkdown.assets/testpic1.jpg
similarity index 100%
rename from app/docs/CommunityShare/Geek/CommonUsedMarkdown.assets/testpic1.jpg
rename to app/docs/community/dev-tips/CommonUsedMarkdown.assets/testpic1.jpg
diff --git a/app/docs/CommunityShare/Geek/CommonUsedMarkdown.en.md b/app/docs/community/dev-tips/CommonUsedMarkdown.en.md
similarity index 100%
rename from app/docs/CommunityShare/Geek/CommonUsedMarkdown.en.md
rename to app/docs/community/dev-tips/CommonUsedMarkdown.en.md
diff --git a/app/docs/CommunityShare/Geek/CommonUsedMarkdown.md b/app/docs/community/dev-tips/CommonUsedMarkdown.md
similarity index 100%
rename from app/docs/CommunityShare/Geek/CommonUsedMarkdown.md
rename to app/docs/community/dev-tips/CommonUsedMarkdown.md
diff --git a/app/docs/CommunityShare/Geek/Katex/Seb1.en.mdx b/app/docs/community/dev-tips/Katex/Seb1.en.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/Katex/Seb1.en.mdx
rename to app/docs/community/dev-tips/Katex/Seb1.en.mdx
diff --git a/app/docs/CommunityShare/Geek/Katex/Seb1.mdx b/app/docs/community/dev-tips/Katex/Seb1.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/Katex/Seb1.mdx
rename to app/docs/community/dev-tips/Katex/Seb1.mdx
diff --git a/app/docs/CommunityShare/Geek/Katex/Seb2.en.mdx b/app/docs/community/dev-tips/Katex/Seb2.en.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/Katex/Seb2.en.mdx
rename to app/docs/community/dev-tips/Katex/Seb2.en.mdx
diff --git a/app/docs/CommunityShare/Geek/Katex/Seb2.mdx b/app/docs/community/dev-tips/Katex/Seb2.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/Katex/Seb2.mdx
rename to app/docs/community/dev-tips/Katex/Seb2.mdx
diff --git a/app/docs/CommunityShare/Geek/Katex/index.mdx b/app/docs/community/dev-tips/Katex/index.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/Katex/index.mdx
rename to app/docs/community/dev-tips/Katex/index.mdx
diff --git a/app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.en.mdx b/app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.en.mdx
similarity index 99%
rename from app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.en.mdx
rename to app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.en.mdx
index 0bf00661..cebe0811 100644
--- a/app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.en.mdx
+++ b/app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.en.mdx
@@ -3,7 +3,11 @@ title: Building a Personal/Team "Permanent" Image Host with Cloudflare R2 + Shar
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - image-hosting
+  - cloudflare-r2
+  - sharex
+  - self-hosting
+  - cdn
 docId: gj4bn01un0s0841berfvwrn5
 lang: en
 translatedFrom: zh
diff --git a/app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.mdx b/app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.mdx
similarity index 99%
rename from app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.mdx
rename to app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.mdx
index 83e40f0f..860b35ed 100644
--- a/app/docs/CommunityShare/Geek/cloudflare-r2-sharex-free-image-hosting.mdx
+++ b/app/docs/community/dev-tips/cloudflare-r2-sharex-free-image-hosting.mdx
@@ -3,7 +3,11 @@ title: 使用 Cloudflare R2 + ShareX 搭建个人/团队专属“永久”图床
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - image-hosting
+  - cloudflare-r2
+  - sharex
+  - self-hosting
+  - cdn
 docId: gj4bn01un0s0841berfvwrn5
 ---
 
diff --git a/app/docs/CommunityShare/Geek/git101.en.mdx b/app/docs/community/dev-tips/git101.en.mdx
similarity index 98%
rename from app/docs/CommunityShare/Geek/git101.en.mdx
rename to app/docs/community/dev-tips/git101.en.mdx
index 1fd63e67..441c388c 100644
--- a/app/docs/CommunityShare/Geek/git101.en.mdx
+++ b/app/docs/community/dev-tips/git101.en.mdx
@@ -3,7 +3,10 @@ title: Git Getting Started Guide — Git Tips Every Developer Should Know
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - git-basics
+  - version-control
+  - git-workflow
+  - programmer-essentials
 docId: tksz80mfqqyzwzzer5p3uxtg
 lang: en
 translatedFrom: zh
diff --git a/app/docs/CommunityShare/Geek/git101.mdx b/app/docs/community/dev-tips/git101.mdx
similarity index 97%
rename from app/docs/CommunityShare/Geek/git101.mdx
rename to app/docs/community/dev-tips/git101.mdx
index 9c826b6d..b5f4d225 100644
--- a/app/docs/CommunityShare/Geek/git101.mdx
+++ b/app/docs/community/dev-tips/git101.mdx
@@ -3,7 +3,10 @@ title: Git入门操作指南-程序员必会的git小技巧
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - git-basics
+  - version-control
+  - git-workflow
+  - programmer-essentials
 docId: tksz80mfqqyzwzzer5p3uxtg
 ---
 
diff --git a/app/docs/CommunityShare/Geek/index.mdx b/app/docs/community/dev-tips/index.mdx
similarity index 100%
rename from app/docs/CommunityShare/Geek/index.mdx
rename to app/docs/community/dev-tips/index.mdx
diff --git a/app/docs/CommunityShare/Geek/picturecdn.en.mdx b/app/docs/community/dev-tips/picturecdn.en.mdx
similarity index 99%
rename from app/docs/CommunityShare/Geek/picturecdn.en.mdx
rename to app/docs/community/dev-tips/picturecdn.en.mdx
index dee8ac23..2570e5d7 100644
--- a/app/docs/CommunityShare/Geek/picturecdn.en.mdx
+++ b/app/docs/community/dev-tips/picturecdn.en.mdx
@@ -3,7 +3,10 @@ title: How to Deploy Your Own GitHub Image Hosting with PictureCDN
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - image-hosting
+  - github-pages
+  - cdn
+  - self-hosting
 docId: e6udpzrorhvgeeda6xpy1e0s
 lang: en
 translatedFrom: zh
diff --git a/app/docs/CommunityShare/Geek/picturecdn.mdx b/app/docs/community/dev-tips/picturecdn.mdx
similarity index 99%
rename from app/docs/CommunityShare/Geek/picturecdn.mdx
rename to app/docs/community/dev-tips/picturecdn.mdx
index 5e889896..012b9c34 100644
--- a/app/docs/CommunityShare/Geek/picturecdn.mdx
+++ b/app/docs/community/dev-tips/picturecdn.mdx
@@ -3,7 +3,10 @@ title: 如何部署你自己的Github图床-PictureCDN
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - image-hosting
+  - github-pages
+  - cdn
+  - self-hosting
 docId: e6udpzrorhvgeeda6xpy1e0s
 ---
 
diff --git a/app/docs/CommunityShare/Geek/raspberry-guide.en.md b/app/docs/community/dev-tips/raspberry-guide.en.md
similarity index 100%
rename from app/docs/CommunityShare/Geek/raspberry-guide.en.md
rename to app/docs/community/dev-tips/raspberry-guide.en.md
diff --git a/app/docs/CommunityShare/Geek/raspberry-guide.md b/app/docs/community/dev-tips/raspberry-guide.md
similarity index 100%
rename from app/docs/CommunityShare/Geek/raspberry-guide.md
rename to app/docs/community/dev-tips/raspberry-guide.md
diff --git a/app/docs/CommunityShare/index.mdx b/app/docs/community/index.mdx
similarity index 90%
rename from app/docs/CommunityShare/index.mdx
rename to app/docs/community/index.mdx
index cbcd868c..f98de4e5 100644
--- a/app/docs/CommunityShare/index.mdx
+++ b/app/docs/community/index.mdx
@@ -12,4 +12,4 @@ import { SectionIndex } from "@/app/components/docs/SectionIndex";
 
 > 转载文章请先联系原作者获取授权，谢谢！
 
-<SectionIndex root="CommunityShare" />
+<SectionIndex root="community" />
diff --git a/app/docs/CommunityShare/Language/pte-intro.md b/app/docs/community/language/pte-intro.md
similarity index 100%
rename from app/docs/CommunityShare/Language/pte-intro.md
rename to app/docs/community/language/pte-intro.md
diff --git a/app/docs/CommunityShare/Life/unsw-student-benefit.md b/app/docs/community/life/unsw-student-benefit.md
similarity index 98%
rename from app/docs/CommunityShare/Life/unsw-student-benefit.md
rename to app/docs/community/life/unsw-student-benefit.md
index a935456b..94f3d8aa 100644
--- a/app/docs/CommunityShare/Life/unsw-student-benefit.md
+++ b/app/docs/community/life/unsw-student-benefit.md
@@ -3,7 +3,10 @@ title: UNSW学费回收计划-那些你还不知道的隐藏福利
 description: ""
 date: "2025-10-03"
 tags:
-  - tag-one
+  - unsw
+  - university-benefits
+  - student-resources
+  - australia-study
 docId: jgyg6bp0nceyrxirz5qw3zsv
 ---
 
diff --git a/app/docs/CommunityShare/MentalHealth/burnout-guide.mdx b/app/docs/community/mental-health/burnout-guide.mdx
similarity index 100%
rename from app/docs/CommunityShare/MentalHealth/burnout-guide.mdx
rename to app/docs/community/mental-health/burnout-guide.mdx
diff --git a/app/docs/CommunityShare/MentalHealth/index.mdx b/app/docs/community/mental-health/index.mdx
similarity index 100%
rename from app/docs/CommunityShare/MentalHealth/index.mdx
rename to app/docs/community/mental-health/index.mdx
diff --git a/app/docs/CommunityShare/Geek/leworldmodel.md b/app/docs/community/papers/leworldmodel.md
similarity index 94%
rename from app/docs/CommunityShare/Geek/leworldmodel.md
rename to app/docs/community/papers/leworldmodel.md
index e77fb22f..0339fc81 100644
--- a/app/docs/CommunityShare/Geek/leworldmodel.md
+++ b/app/docs/community/papers/leworldmodel.md
@@ -3,7 +3,10 @@ title: LeWorldModel
 description: Stable End-to-End Joint-Embedding Predictive Architecture from Pixels
 date: "2026-04-08"
 tags:
-  - 世界模型
+  - world-models
+  - jepa
+  - representation-learning
+  - embodied-ai
 docId: boo70qqm8nos8b0q9h7zjrki
 ---
 
diff --git a/app/docs/CommunityShare/Geek/leworldmodel.zh.md b/app/docs/community/papers/leworldmodel.zh.md
similarity index 94%
rename from app/docs/CommunityShare/Geek/leworldmodel.zh.md
rename to app/docs/community/papers/leworldmodel.zh.md
index eb05a472..7aa0bab4 100644
--- a/app/docs/CommunityShare/Geek/leworldmodel.zh.md
+++ b/app/docs/community/papers/leworldmodel.zh.md
@@ -3,7 +3,10 @@ title: LeWorldModel
 description: 从像素端到端稳定训练的联合嵌入预测架构
 date: "2026-04-08"
 tags:
-  - 世界模型
+  - world-models
+  - jepa
+  - representation-learning
+  - embodied-ai
 docId: boo70qqm8nos8b0q9h7zjrki
 lang: zh
 translatedFrom: en
diff --git a/app/docs/CommunityShare/Amazing-AI-Tools/prompt-repetition-improves-non-reasoning-llms.md b/app/docs/community/papers/prompt-repetition-improves-non-reasoning-llms.md
similarity index 100%
rename from app/docs/CommunityShare/Amazing-AI-Tools/prompt-repetition-improves-non-reasoning-llms.md
rename to app/docs/community/papers/prompt-repetition-improves-non-reasoning-llms.md
diff --git a/app/docs/CommunityShare/Amazing-AI-Tools/prompt-repetition-improves-non-reasoning-llms.zh.md b/app/docs/community/papers/prompt-repetition-improves-non-reasoning-llms.zh.md
similarity index 100%
rename from app/docs/CommunityShare/Amazing-AI-Tools/prompt-repetition-improves-non-reasoning-llms.zh.md
rename to app/docs/community/papers/prompt-repetition-improves-non-reasoning-llms.zh.md
diff --git a/app/docs/CommunityShare/Amazing-AI-Tools/index.md b/app/docs/community/tools/index.md
similarity index 100%
rename from app/docs/CommunityShare/Amazing-AI-Tools/index.md
rename to app/docs/community/tools/index.md
diff --git a/app/docs/CommunityShare/Amazing-AI-Tools/perplexity-comet.en.md b/app/docs/community/tools/perplexity-comet.en.md
similarity index 100%
rename from app/docs/CommunityShare/Amazing-AI-Tools/perplexity-comet.en.md
rename to app/docs/community/tools/perplexity-comet.en.md
diff --git a/app/docs/CommunityShare/Amazing-AI-Tools/perplexity-comet.md b/app/docs/community/tools/perplexity-comet.md
similarity index 100%
rename from app/docs/CommunityShare/Amazing-AI-Tools/perplexity-comet.md
rename to app/docs/community/tools/perplexity-comet.md
diff --git a/app/docs/ai/misc-tools/swanlab.en.mdx b/app/docs/community/tools/swanlab.en.mdx
similarity index 97%
rename from app/docs/ai/misc-tools/swanlab.en.mdx
rename to app/docs/community/tools/swanlab.en.mdx
index 00764a2d..cdd4e7fb 100644
--- a/app/docs/ai/misc-tools/swanlab.en.mdx
+++ b/app/docs/community/tools/swanlab.en.mdx
@@ -3,7 +3,9 @@ title: SwanLab Quick Start Guide
 description: ""
 date: "2025-09-23"
 tags:
-  - tag-one
+  - ml-experiment-tracking
+  - swanlab
+  - experiment-management
 docId: mhyoknm6vj8jmp186oli5f5c
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/misc-tools/swanlab.mdx b/app/docs/community/tools/swanlab.mdx
similarity index 97%
rename from app/docs/ai/misc-tools/swanlab.mdx
rename to app/docs/community/tools/swanlab.mdx
index 2fe9e38f..a163b9c8 100644
--- a/app/docs/ai/misc-tools/swanlab.mdx
+++ b/app/docs/community/tools/swanlab.mdx
@@ -3,7 +3,9 @@ title: swanlab快速上手指南
 description: ""
 date: "2025-09-23"
 tags:
-  - tag-one
+  - ml-experiment-tracking
+  - swanlab
+  - experiment-management
 docId: mhyoknm6vj8jmp186oli5f5c
 ---
 
diff --git a/app/docs/layout.tsx b/app/docs/layout.tsx
index 88ce755e..4e50948e 100644
--- a/app/docs/layout.tsx
+++ b/app/docs/layout.tsx
@@ -163,7 +163,7 @@ function pruneEmptyFolders(root: PageTree.Root): PageTree.Root {
 
         if (
           onlyChild.type === "page" &&
-          onlyChild.url.startsWith("/docs/ai/")
+          onlyChild.url.startsWith("/docs/learn/ai/")
         ) {
           return { ...onlyChild };
         }
diff --git a/app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md b/app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md
similarity index 99%
rename from app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md
rename to app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md
index 0c14307c..f82eda7f 100644
--- a/app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md
+++ b/app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.en.md
@@ -3,7 +3,9 @@ title: Introduction of Multi-Agent Systems (For Any Task You Want)
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - multi-agent-systems
+  - agent-framework
+  - llm-agents
 docId: h53uwefhlykt9ietsx9x0vtn
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md b/app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md
similarity index 99%
rename from app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md
rename to app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md
index 0b3d18a0..3b8a7639 100644
--- a/app/docs/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md
+++ b/app/docs/learn/ai/Introduction-of-Multi-agents-system/introduction_of_multi-agents_system.md
@@ -3,7 +3,9 @@ title: Introduction of Multi-agents system(In any task you want)
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - multi-agent-systems
+  - agent-framework
+  - llm-agents
 docId: h53uwefhlykt9ietsx9x0vtn
 ---
 
diff --git a/app/docs/ai/MoE/MOE-intro.assets/img-20250920112106486.png b/app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106486.png
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.assets/img-20250920112106486.png
rename to app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106486.png
diff --git a/app/docs/ai/MoE/MOE-intro.assets/img-20250920112106518.png b/app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106518.png
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.assets/img-20250920112106518.png
rename to app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106518.png
diff --git a/app/docs/ai/MoE/MOE-intro.assets/img-20250920112106554.png b/app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106554.png
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.assets/img-20250920112106554.png
rename to app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106554.png
diff --git a/app/docs/ai/MoE/MOE-intro.assets/img-20250920112106588.png b/app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106588.png
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.assets/img-20250920112106588.png
rename to app/docs/learn/ai/MoE/MOE-intro.assets/img-20250920112106588.png
diff --git a/app/docs/ai/MoE/MOE-intro.en.md b/app/docs/learn/ai/MoE/MOE-intro.en.md
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.en.md
rename to app/docs/learn/ai/MoE/MOE-intro.en.md
diff --git a/app/docs/ai/MoE/MOE-intro.md b/app/docs/learn/ai/MoE/MOE-intro.md
similarity index 100%
rename from app/docs/ai/MoE/MOE-intro.md
rename to app/docs/learn/ai/MoE/MOE-intro.md
diff --git a/app/docs/ai/MoE/moe-update.en.md b/app/docs/learn/ai/MoE/moe-update.en.md
similarity index 99%
rename from app/docs/ai/MoE/moe-update.en.md
rename to app/docs/learn/ai/MoE/moe-update.en.md
index 5f927c4c..3c9a30c8 100644
--- a/app/docs/ai/MoE/moe-update.en.md
+++ b/app/docs/learn/ai/MoE/moe-update.en.md
@@ -3,7 +3,9 @@ title: "Theory of MoE"
 description: ""
 date: "2025-10-05"
 tags:
-  - tag-one
+  - mixture-of-experts
+  - model-architecture
+  - llm-fundamentals
 docId: db3qwg25h6l0bh8f2sdabdqc
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/MoE/moe-update.md b/app/docs/learn/ai/MoE/moe-update.md
similarity index 99%
rename from app/docs/ai/MoE/moe-update.md
rename to app/docs/learn/ai/MoE/moe-update.md
index 463a6771..60ff96ff 100644
--- a/app/docs/ai/MoE/moe-update.md
+++ b/app/docs/learn/ai/MoE/moe-update.md
@@ -3,7 +3,9 @@ title: "Theory of MoE"
 description: ""
 date: "2025-10-05"
 tags:
-  - tag-one
+  - mixture-of-experts
+  - model-architecture
+  - llm-fundamentals
 docId: db3qwg25h6l0bh8f2sdabdqc
 ---
 
diff --git a/app/docs/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.en.mdx b/app/docs/learn/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.en.mdx
similarity index 94%
rename from app/docs/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.en.mdx
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--- a/app/docs/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.en.mdx
+++ b/app/docs/learn/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.en.mdx
@@ -3,7 +3,10 @@ title: Essential Reading for Getting Started with Code Translation
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - code-translation
+  - llm-application
+  - paper-recommendations
+  - program-analysis
 docId: qaezsrj15sudk796r5otne36
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.mdx b/app/docs/learn/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.mdx
similarity index 93%
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index cc02e548..6b1ddbca 100644
--- a/app/docs/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.mdx
+++ b/app/docs/learn/ai/Multi-agents-system-on-Code-Translation/code-translation-intro.mdx
@@ -3,7 +3,10 @@ title: Code translation入门推荐必读
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - code-translation
+  - llm-application
+  - paper-recommendations
+  - program-analysis
 docId: qaezsrj15sudk796r5otne36
 ---
 
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--- a/app/docs/ai/ai-math-basics/math_books.en.md
+++ b/app/docs/learn/ai/ai-math-basics/math_books.en.md
@@ -3,7 +3,10 @@ title: Recommended Books on Mathematics and Data Science
 description: ""
 date: "2025-10-06"
 tags:
-  - tag-one
+  - math-textbooks
+  - learning-resources
+  - data-science
+  - book-recommendations
 docId: kzi6k1yg1sehlxidnxdsf59a
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/ai-math-basics/math_books.md b/app/docs/learn/ai/ai-math-basics/math_books.md
similarity index 98%
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index 6e23feca..069620ad 100644
--- a/app/docs/ai/ai-math-basics/math_books.md
+++ b/app/docs/learn/ai/ai-math-basics/math_books.md
@@ -3,7 +3,10 @@ title: Recommended Books on Mathematics and Data Science
 description: ""
 date: "2025-10-06"
 tags:
-  - tag-one
+  - math-textbooks
+  - learning-resources
+  - data-science
+  - book-recommendations
 docId: kzi6k1yg1sehlxidnxdsf59a
 ---
 
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index 2291bcfb..17c6aabf 100644
--- a/app/docs/CommunityShare/RAG/context_engineering_intro.en.md
+++ b/app/docs/learn/ai/foundation-models/rag/context-engineering-intro.en.md
@@ -3,7 +3,9 @@ title: A Quick Introduction to Context Engineering
 description: ""
 date: "2025-10-03"
 tags:
-  - tag-one
+  - context-engineering
+  - prompt-engineering
+  - llm-fundamentals
 docId: wdqqrepoy43jiieyyjmaekk1
 lang: en
 translatedFrom: zh
diff --git a/app/docs/CommunityShare/RAG/context_engineering_intro.md b/app/docs/learn/ai/foundation-models/rag/context-engineering-intro.md
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--- a/app/docs/CommunityShare/RAG/context_engineering_intro.md
+++ b/app/docs/learn/ai/foundation-models/rag/context-engineering-intro.md
@@ -3,7 +3,9 @@ title: context engineering 快速了解
 description: ""
 date: "2025-10-03"
 tags:
-  - tag-one
+  - context-engineering
+  - prompt-engineering
+  - llm-fundamentals
 docId: wdqqrepoy43jiieyyjmaekk1
 ---
 
diff --git a/app/docs/CommunityShare/RAG/embedding.en.mdx b/app/docs/learn/ai/foundation-models/rag/embedding.en.mdx
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index 9ca4be76..17fd6378 100644
--- a/app/docs/CommunityShare/RAG/rag.en.mdx
+++ b/app/docs/learn/ai/foundation-models/rag/rag.en.mdx
@@ -3,7 +3,9 @@ title: RAG
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - rag-system
+  - retrieval-augmented-generation
+  - vector-search
 docId: zywri1bs64awfi9utfjy14ll
 lang: en
 translatedFrom: zh
diff --git a/app/docs/CommunityShare/RAG/rag.mdx b/app/docs/learn/ai/foundation-models/rag/rag.mdx
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index 222b8edc..eda70a00 100644
--- a/app/docs/CommunityShare/RAG/rag.mdx
+++ b/app/docs/learn/ai/foundation-models/rag/rag.mdx
@@ -3,7 +3,9 @@ title: RAG
 description: ""
 date: "2025-09-19"
 tags:
-  - tag-one
+  - rag-system
+  - retrieval-augmented-generation
+  - vector-search
 docId: zywri1bs64awfi9utfjy14ll
 ---
 
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@@ -3,7 +3,9 @@ title: Wang Shusen Recommender Systems Study Notes — Feature Crossing
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - feature-engineering
+  - feature-crossing
 docId: hajz43iblku13mmevia8zrhv
 lang: en
 translatedFrom: zh
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--- a/app/docs/ai/recommender-systems/wangshusen_recommend_crossing.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_crossing.mdx
@@ -3,7 +3,9 @@ title: 王树森推荐系统学习笔记_特征交叉
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - feature-engineering
+  - feature-crossing
 docId: hajz43iblku13mmevia8zrhv
 ---
 
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rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-1.png
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-2.png b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-2.png
similarity index 100%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-2.png
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-2.png
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-3.png b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-3.png
similarity index 100%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-3.png
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-3.png
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-4.png b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-4.png
similarity index 100%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-4.png
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.assets/2-9-4.png
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx
index bed3c807..6af45dab 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.en.mdx
@@ -3,7 +3,9 @@ title: Wang Shusen Recommender Systems Study Notes — Retrieval
 description: ""
 date: "2025-09-22"
 tags:
-  - tag-one
+  - recommender-systems
+  - retrieval
+  - candidate-generation
 docId: c3a4nmid9plytif5ameigj7d
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx
index 230901ed..7a38ed74 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note/wangshusen_recommend_note_retrieval.mdx
@@ -3,7 +3,9 @@ title: 王树森推荐系统学习笔记_召回
 description: ""
 date: "2025-09-22"
 tags:
-  - tag-one
+  - recommender-systems
+  - retrieval
+  - candidate-generation
 docId: c3a4nmid9plytif5ameigj7d
 ---
 
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx
index 076246c1..12331bb8 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.en.mdx
@@ -3,7 +3,9 @@ title: Wang Shusen Recommender Systems Study Notes — Cold Start
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - cold-start
+  - new-item-recommendation
 docId: bvccoatft6y7bph83oivdcfe
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx
index 26d57e47..0eae5d34 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_coldstart.mdx
@@ -3,7 +3,9 @@ title: 王树森推荐系统学习笔记_冷启动
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - cold-start
+  - new-item-recommendation
 docId: bvccoatft6y7bph83oivdcfe
 ---
 
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx
index 8398b775..659f7187 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.en.mdx
@@ -3,7 +3,10 @@ title: Wang Shusen Recommender Systems Study Notes — Improving Metrics
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - metric-optimization
+  - retention-metrics
+  - user-growth
 docId: qmy3p4vc45ek61ce4n62fpxy
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx
index 88dcf2a8..aec5007f 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_improvement.mdx
@@ -3,7 +3,10 @@ title: 王树森推荐系统学习笔记_涨指标
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - metric-optimization
+  - retention-metrics
+  - user-growth
 docId: qmy3p4vc45ek61ce4n62fpxy
 ---
 
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx
index 2ebfafc6..976ce574 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.en.mdx
@@ -3,7 +3,9 @@ title: Wang Shusen Recommender Systems Study Notes — Ranking
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - ranking
+  - learning-to-rank
 docId: vjwogf9afghpbvi71e4dfsgj
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.mdx
index 389b8681..7f5ac3c2 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rank.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rank.mdx
@@ -3,7 +3,9 @@ title: 王树森推荐系统学习笔记_排序
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - ranking
+  - learning-to-rank
 docId: vjwogf9afghpbvi71e4dfsgj
 ---
 
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx
index 64c07ea5..404a6501 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.en.mdx
@@ -3,7 +3,9 @@ title: Wang Shusen Recommender Systems Study Notes — Re-Ranking
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - reranking
+  - diversity
 docId: ol03smbujgwztho45ycj52ah
 lang: en
 translatedFrom: zh
diff --git a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx
similarity index 99%
rename from app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx
rename to app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx
index 3dfa2704..7694b724 100644
--- a/app/docs/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx
+++ b/app/docs/learn/ai/recommender-systems/wangshusen_recommend_note_rerank.mdx
@@ -3,7 +3,9 @@ title: 王树森推荐系统学习笔记_重排
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - recommender-systems
+  - reranking
+  - diversity
 docId: ol03smbujgwztho45ycj52ah
 ---
 
diff --git a/app/docs/CommunityShare/Personal-Study-Notes/Reinforcement-Learning/ppo.md b/app/docs/learn/ai/reinforcement-learning/ppo.md
similarity index 100%
rename from app/docs/CommunityShare/Personal-Study-Notes/Reinforcement-Learning/ppo.md
rename to app/docs/learn/ai/reinforcement-learning/ppo.md
diff --git a/app/docs/ai/reinforcement-learning/reinforcement-learning-overview.en.mdx b/app/docs/learn/ai/reinforcement-learning/reinforcement-learning-overview.en.mdx
similarity index 100%
rename from app/docs/ai/reinforcement-learning/reinforcement-learning-overview.en.mdx
rename to app/docs/learn/ai/reinforcement-learning/reinforcement-learning-overview.en.mdx
diff --git a/app/docs/ai/reinforcement-learning/reinforcement-learning-overview.mdx b/app/docs/learn/ai/reinforcement-learning/reinforcement-learning-overview.mdx
similarity index 100%
rename from app/docs/ai/reinforcement-learning/reinforcement-learning-overview.mdx
rename to app/docs/learn/ai/reinforcement-learning/reinforcement-learning-overview.mdx
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.en.md b/app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.en.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.en.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.en.md
index 366ae5c5..52d59da4 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.en.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.en.md
@@ -3,7 +3,9 @@ title: C++ Libraries on Linux/Windows
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - cpp-libraries
+  - development-environment
 docId: totx4pej5lhyt1nl4anwhakj
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.md b/app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.md
index 91c53507..01bb4df0 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs.md
@@ -3,7 +3,9 @@ title: linux/win上的c++库
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - cpp-libraries
+  - development-environment
 docId: totx4pej5lhyt1nl4anwhakj
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.en.md b/app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.en.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.en.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.en.md
index c3ff693d..2533ff53 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.en.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.en.md
@@ -3,7 +3,9 @@ title: GCC/G++ Basics
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - gcc
+  - compiler-toolchain
 docId: kyu85av71b4n07hbdycbhvj9
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.md b/app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.md
index 4aa6c30e..5623a78a 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/2_base_gcc.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc.md
@@ -3,7 +3,9 @@ title: 基础gcc/g++
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - gcc
+  - compiler-toolchain
 docId: kyu85av71b4n07hbdycbhvj9
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/3_Make.en.md b/app/docs/learn/cs/cpp-backend/easy-compile/3-make.en.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/easy_compile/3_Make.en.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/3-make.en.md
index ffc97465..4bb37496 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/3_Make.en.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/3-make.en.md
@@ -3,7 +3,9 @@ title: Building with Make
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - makefile
+  - build-system
 docId: g6wucmr69lamd9xyxm7uunnd
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/3_Make.md b/app/docs/learn/cs/cpp-backend/easy-compile/3-make.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/easy_compile/3_Make.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/3-make.md
index 6fbf7598..080de044 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/3_Make.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/3-make.md
@@ -3,7 +3,9 @@ title: Make编译
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - makefile
+  - build-system
 docId: g6wucmr69lamd9xyxm7uunnd
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/4_CMake.en.md b/app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.en.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/4_CMake.en.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.en.md
index e8cf0b52..4f704128 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/4_CMake.en.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.en.md
@@ -3,7 +3,9 @@ title: CMake
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - cmake
+  - build-system
 docId: xk44lx4q1gpcm1uqk8nnbg7q
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/4_CMake.md b/app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/easy_compile/4_CMake.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.md
index 67a011b6..4c646c75 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/4_CMake.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/4-cmake.md
@@ -3,7 +3,9 @@ title: CMake
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - cmake
+  - build-system
 docId: xk44lx4q1gpcm1uqk8nnbg7q
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.en.md b/app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.en.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.en.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.en.md
index 32444e07..42e87658 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.en.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.en.md
@@ -3,7 +3,9 @@ title: vcpkg Package Manager
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - vcpkg
+  - package-manager
 docId: gtqamuq3tftmvzstbunkgbo5
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.md b/app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.md
rename to app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.md
index bd16401f..af893590 100644
--- a/app/docs/computer-science/cpp_backend/easy_compile/5_vcpkg.md
+++ b/app/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg.md
@@ -3,7 +3,9 @@ title: vcpkg包管理器
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - vcpkg
+  - package-manager
 docId: gtqamuq3tftmvzstbunkgbo5
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.en.md b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.en.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.en.md
rename to app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.en.md
index 79f12d08..c51d81ca 100644
--- a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.en.md
+++ b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.en.md
@@ -3,7 +3,9 @@ title: Handwritten Thread Pool
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - threadpool
+  - concurrent-programming
 docId: mnjkrtrs7xk3fq538eqreuge
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.md b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.md
similarity index 99%
rename from app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.md
rename to app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.md
index 1eaa40dd..6b2ae1de 100644
--- a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool.md
+++ b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool.md
@@ -3,7 +3,9 @@ title: 手写线程池
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - threadpool
+  - concurrent-programming
 docId: mnjkrtrs7xk3fq538eqreuge
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.en.md b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.en.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.en.md
rename to app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.en.md
index 8e0db091..e97c6719 100644
--- a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.en.md
+++ b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.en.md
@@ -3,7 +3,9 @@ title: Handwritten Fixed-Size Memory Pool
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - memory-pool
+  - system-programming
 docId: xgxqqvglxyauoeh8eye7lzu6
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.md b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.md
similarity index 98%
rename from app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.md
rename to app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.md
index 7566d4bb..0cbb09c5 100644
--- a/app/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1.md
+++ b/app/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1.md
@@ -3,7 +3,9 @@ title: 手写定长内存池
 description: ""
 date: "2025-09-29"
 tags:
-  - tag-one
+  - cpp-backend
+  - memory-pool
+  - system-programming
 docId: xgxqqvglxyauoeh8eye7lzu6
 ---
 
diff --git a/app/docs/computer-science/cpp_backend/mempool_simple.en.mdx b/app/docs/learn/cs/cpp-backend/mempool-simple.en.mdx
similarity index 98%
rename from app/docs/computer-science/cpp_backend/mempool_simple.en.mdx
rename to app/docs/learn/cs/cpp-backend/mempool-simple.en.mdx
index b5384a7d..3e08345b 100644
--- a/app/docs/computer-science/cpp_backend/mempool_simple.en.mdx
+++ b/app/docs/learn/cs/cpp-backend/mempool-simple.en.mdx
@@ -3,7 +3,9 @@ title: Handwritten Memory Pool (Simple Fixed-Size)
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - cpp-backend
+  - memory-pool
+  - memory-management
 docId: q8290wmhyofuiskzn1ph63ta
 lang: en
 translatedFrom: zh
diff --git a/app/docs/computer-science/cpp_backend/mempool_simple.mdx b/app/docs/learn/cs/cpp-backend/mempool-simple.mdx
similarity index 97%
rename from app/docs/computer-science/cpp_backend/mempool_simple.mdx
rename to app/docs/learn/cs/cpp-backend/mempool-simple.mdx
index 17055e7e..bec779e1 100644
--- a/app/docs/computer-science/cpp_backend/mempool_simple.mdx
+++ b/app/docs/learn/cs/cpp-backend/mempool-simple.mdx
@@ -3,7 +3,9 @@ title: 手写内存池（简单定长）
 description: ""
 date: "2025-09-27"
 tags:
-  - tag-one
+  - cpp-backend
+  - memory-pool
+  - memory-management
 docId: q8290wmhyofuiskzn1ph63ta
 ---
 
diff --git a/app/docs/computer-science/data-structures/array/01-static-array.mdx b/app/docs/learn/cs/data-structures/array/01-static-array.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/01-static-array.mdx
rename to app/docs/learn/cs/data-structures/array/01-static-array.mdx
diff --git a/app/docs/computer-science/data-structures/array/01-static-array.zh.mdx b/app/docs/learn/cs/data-structures/array/01-static-array.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/01-static-array.zh.mdx
rename to app/docs/learn/cs/data-structures/array/01-static-array.zh.mdx
diff --git a/app/docs/computer-science/data-structures/array/02-dynamic-array.mdx b/app/docs/learn/cs/data-structures/array/02-dynamic-array.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/02-dynamic-array.mdx
rename to app/docs/learn/cs/data-structures/array/02-dynamic-array.mdx
diff --git a/app/docs/computer-science/data-structures/array/02-dynamic-array.zh.mdx b/app/docs/learn/cs/data-structures/array/02-dynamic-array.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/02-dynamic-array.zh.mdx
rename to app/docs/learn/cs/data-structures/array/02-dynamic-array.zh.mdx
diff --git a/app/docs/computer-science/data-structures/array/index.mdx b/app/docs/learn/cs/data-structures/array/index.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/index.mdx
rename to app/docs/learn/cs/data-structures/array/index.mdx
diff --git a/app/docs/computer-science/data-structures/array/index.zh.mdx b/app/docs/learn/cs/data-structures/array/index.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/array/index.zh.mdx
rename to app/docs/learn/cs/data-structures/array/index.zh.mdx
diff --git a/app/docs/computer-science/data-structures/index.mdx b/app/docs/learn/cs/data-structures/index.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/index.mdx
rename to app/docs/learn/cs/data-structures/index.mdx
diff --git a/app/docs/computer-science/data-structures/index.zh.mdx b/app/docs/learn/cs/data-structures/index.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/index.zh.mdx
rename to app/docs/learn/cs/data-structures/index.zh.mdx
diff --git a/app/docs/computer-science/data-structures/linked-list/01-singly-linked-list.mdx b/app/docs/learn/cs/data-structures/linked-list/01-singly-linked-list.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/linked-list/01-singly-linked-list.mdx
rename to app/docs/learn/cs/data-structures/linked-list/01-singly-linked-list.mdx
diff --git a/app/docs/computer-science/data-structures/linked-list/01-singly-linked-list.zh.mdx b/app/docs/learn/cs/data-structures/linked-list/01-singly-linked-list.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/linked-list/01-singly-linked-list.zh.mdx
rename to app/docs/learn/cs/data-structures/linked-list/01-singly-linked-list.zh.mdx
diff --git a/app/docs/computer-science/data-structures/linked-list/index.mdx b/app/docs/learn/cs/data-structures/linked-list/index.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/linked-list/index.mdx
rename to app/docs/learn/cs/data-structures/linked-list/index.mdx
diff --git a/app/docs/computer-science/data-structures/linked-list/index.zh.mdx b/app/docs/learn/cs/data-structures/linked-list/index.zh.mdx
similarity index 100%
rename from app/docs/computer-science/data-structures/linked-list/index.zh.mdx
rename to app/docs/learn/cs/data-structures/linked-list/index.zh.mdx
diff --git a/app/docs/computer-science/frontend/frontend-learning/index.en.mdx b/app/docs/learn/cs/frontend/frontend-learning/index.en.mdx
similarity index 100%
rename from app/docs/computer-science/frontend/frontend-learning/index.en.mdx
rename to app/docs/learn/cs/frontend/frontend-learning/index.en.mdx
diff --git a/app/docs/computer-science/frontend/frontend-learning/index.mdx b/app/docs/learn/cs/frontend/frontend-learning/index.mdx
similarity index 100%
rename from app/docs/computer-science/frontend/frontend-learning/index.mdx
rename to app/docs/learn/cs/frontend/frontend-learning/index.mdx
diff --git a/app/docs/computer-science/frontend/index.en.mdx b/app/docs/learn/cs/frontend/index.en.mdx
similarity index 100%
rename from app/docs/computer-science/frontend/index.en.mdx
rename to app/docs/learn/cs/frontend/index.en.mdx
diff --git a/app/docs/computer-science/frontend/index.mdx b/app/docs/learn/cs/frontend/index.mdx
similarity index 100%
rename from app/docs/computer-science/frontend/index.mdx
rename to app/docs/learn/cs/frontend/index.mdx
diff --git a/app/docs/computer-science/index.en.mdx b/app/docs/learn/cs/index.en.mdx
similarity index 100%
rename from app/docs/computer-science/index.en.mdx
rename to app/docs/learn/cs/index.en.mdx
diff --git a/app/docs/computer-science/index.mdx b/app/docs/learn/cs/index.mdx
similarity index 100%
rename from app/docs/computer-science/index.mdx
rename to app/docs/learn/cs/index.mdx
diff --git a/app/docs/learn/index.mdx b/app/docs/learn/index.mdx
new file mode 100644
index 00000000..89b33ce5
--- /dev/null
+++ b/app/docs/learn/index.mdx
@@ -0,0 +1,17 @@
+---
+title: Learn
+description: 系统学习 AI / CS / 数学三大主题，从基础打底到专业方向。
+date: "2026-04-18"
+docId: lrn0001index2026041800000001
+---
+
+import { SectionIndex } from "@/app/components/docs/SectionIndex";
+
+Involution Hell 的**学**区——按学科分类的系统学习资料。
+
+- **AI**：LLM、Agent、RL、推荐、多模态、基础数学等全栈 AI 主题
+- **CS**：数据结构、算法、系统编程、后端工程
+
+学到一半不知道方向？看看 `/community` 的前辈经验，或者 `/career` 的求职准备。
+
+<SectionIndex root="learn" />
diff --git a/app/docs/page.tsx b/app/docs/page.tsx
index 794d0729..cddd1069 100644
--- a/app/docs/page.tsx
+++ b/app/docs/page.tsx
@@ -9,7 +9,7 @@ import { SectionIndex } from "@/app/components/docs/SectionIndex";
  * 所以 /docs 本身 404。这个文件提供兜底 landing，复用已挂好的 DocsLayout。
  *
  * 内容交给 `<SectionIndex />`（root 不传 → 渲染 pageTree 顶层分区）。所有渲染
- * 逻辑和 CommunityShare / Leetcode 两处共用同一个组件，避免 drift。
+ * 逻辑和 community / career/interview-prep/leetcode 两处共用同一个组件，避免 drift。
  */
 
 async function getLocaleFromCookie(): Promise<"zh" | "en"> {
diff --git a/app/docs/all-projects/ai-town.en.mdx b/app/docs/projects/ai-town.en.mdx
similarity index 97%
rename from app/docs/all-projects/ai-town.en.mdx
rename to app/docs/projects/ai-town.en.mdx
index eda40423..ecf3d9a1 100644
--- a/app/docs/all-projects/ai-town.en.mdx
+++ b/app/docs/projects/ai-town.en.mdx
@@ -3,7 +3,10 @@ title: AI Town Design Document
 description: ""
 date: "2025-10-18"
 tags:
-  - ai-project
+  - ai-agent-simulation
+  - multi-agent-systems
+  - generative-agents
+  - godot-engine
 docId: bkxwg1m9p9rnm8062wsm020w
 lang: en
 translatedFrom: zh
diff --git a/app/docs/all-projects/ai-town.mdx b/app/docs/projects/ai-town.mdx
similarity index 97%
rename from app/docs/all-projects/ai-town.mdx
rename to app/docs/projects/ai-town.mdx
index 450d7f5e..7a99ec3b 100644
--- a/app/docs/all-projects/ai-town.mdx
+++ b/app/docs/projects/ai-town.mdx
@@ -3,7 +3,10 @@ title: AI小镇策划
 description: ""
 date: "2025-10-18"
 tags:
-  - ai-project
+  - ai-agent-simulation
+  - multi-agent-systems
+  - generative-agents
+  - godot-engine
 docId: bkxwg1m9p9rnm8062wsm020w
 ---
 
diff --git a/app/docs/projects/index.mdx b/app/docs/projects/index.mdx
new file mode 100644
index 00000000..55fc36b6
--- /dev/null
+++ b/app/docs/projects/index.mdx
@@ -0,0 +1,12 @@
+---
+title: Projects
+description: Involution Hell 社区维护的开源项目文档集合。
+date: "2026-04-18"
+docId: prj0001index2026041800000001
+---
+
+import { SectionIndex } from "@/app/components/docs/SectionIndex";
+
+社区成员发起和维护的开源项目。欢迎 PR，欢迎加入。
+
+<SectionIndex root="projects" />
diff --git a/app/docs/all-projects/multimodal-rl.en.mdx b/app/docs/projects/multimodal-rl.en.mdx
similarity index 100%
rename from app/docs/all-projects/multimodal-rl.en.mdx
rename to app/docs/projects/multimodal-rl.en.mdx
diff --git a/app/docs/all-projects/multimodal-rl.mdx b/app/docs/projects/multimodal-rl.mdx
similarity index 100%
rename from app/docs/all-projects/multimodal-rl.mdx
rename to app/docs/projects/multimodal-rl.mdx
diff --git a/data/event.json b/data/event.json
index 01af80ac..6ccc174f 100644
--- a/data/event.json
+++ b/data/event.json
@@ -7,21 +7,21 @@
     {
       "name": "Mock Interview",
       "discord": "https://discord.gg/QHsjqezfC?event=1430500169299922965",
-      "playback": "https://involutionhell.com/docs/jobs/event-keynote/event-takeway",
+      "playback": "https://involutionhell.com/docs/career/events/event-takeway",
       "coverUrl": "./event/mockInterview.webp",
       "deprecated": true
     },
     {
       "name": "Coffee Chat",
       "discord": "https://discord.com/invite/8AQZj7sa?event=1432010537402761348",
-      "playback": "https://involutionhell.com/docs/jobs/event-keynote/coffee-chat",
+      "playback": "https://involutionhell.com/docs/career/events/coffee-chat",
       "coverUrl": "./event/coffeeChat.webp",
       "deprecated": true
     },
     {
       "name": "Career Journey",
       "discord": "https://discord.com/invite/8AQZj7sa?event=1432010537402761348",
-      "playback": "https://involutionhell.com/docs/jobs/event-keynote/event-takeway",
+      "playback": "https://involutionhell.com/docs/career/events/event-takeway",
       "coverUrl": "./event/careerJourney.webp",
       "deprecated": true
     },
diff --git a/dev_docs/umami_tracking.md b/dev_docs/umami_tracking.md
index 991db572..0d151770 100644
--- a/dev_docs/umami_tracking.md
+++ b/dev_docs/umami_tracking.md
@@ -66,8 +66,8 @@
 
 // Sidebar Link (Fumadocs integration example)
 <Link
-  href="/docs/ai"
-  onClick={() => umami.track('navigation_click', { region: 'sidebar', path: '/docs/ai' })}
+  href="/docs/learn/ai"
+  onClick={() => umami.track('navigation_click', { region: 'sidebar', path: '/docs/learn/ai' })}
 >Artificial Intelligence</Link>
 ```
 
diff --git a/lib/source.ts b/lib/source.ts
index a36644f2..c6c99f87 100644
--- a/lib/source.ts
+++ b/lib/source.ts
@@ -29,7 +29,7 @@ export const source = loader({
         if (
           file &&
           file.format === "page" &&
-          path.startsWith("CommunityShare/Leetcode/")
+          path.startsWith("career/interview-prep/leetcode/")
         ) {
           const defaultSlugs = getSlugs(path);
           const newSlugs = defaultSlugs.map(convertSlugToPinyin);
diff --git a/next.config.mjs b/next.config.mjs
index 567d8058..d23d3752 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -22,6 +22,204 @@ const withNextIntl = createNextIntlPlugin("./i18n/request.ts");
 /** @type {import('next').NextConfig} */
 const config = {
   reactStrictMode: true,
+  /**
+   * docs 目录整理产生的 URL 变化 → 301 重定向。
+   *
+   * 为什么要 301：站点上线一段时间后，原路径被 Google 索引 + 被用户收藏 / 外链。
+   * 改目录 / 文件名必然改 URL，不加 301 的话老链接 404，SEO 权重流失 +
+   * 用户体验断裂。statusCode:301 显式下发 "Moved Permanently"（不是 Next.js
+   * 默认 permanent:true 的 308）。两者 SEO 语义等价，选 301 因为识别最稳、
+   * 和 PR / commit 描述口径一致。statusCode 与 permanent 互斥；Next.js 源码
+   * redirect-status.js 里 allowedStatusCodes = {301,302,303,307,308}，合法。
+   *
+   * 每次再动 docs 路径都要在这里补一条。
+   */
+  async redirects() {
+    // Option C IA 大重组：按读者意图分 learn / career / community / projects 四大顶层区。
+    // 顺序敏感——Next.js 首匹配命中，特殊文件级 + cpp_backend 老名字必须排在 wildcard 前。
+    return [
+      // ============= 特殊路径（必须在 wildcard 之前） =============
+      // CommunityShare/RAG → learn/ai/foundation-models/rag （RAG 文件归 ai 主题）
+      {
+        source: "/docs/CommunityShare/RAG/rag",
+        destination: "/docs/learn/ai/foundation-models/rag/rag",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/RAG/embedding",
+        destination: "/docs/learn/ai/foundation-models/rag/embedding",
+        statusCode: 301,
+      },
+      {
+        // 文件名顺手规范化：context_engineering_intro → context-engineering-intro
+        source: "/docs/CommunityShare/RAG/context_engineering_intro",
+        destination:
+          "/docs/learn/ai/foundation-models/rag/context-engineering-intro",
+        statusCode: 301,
+      },
+      // CommunityShare/Geek/leworldmodel → community/papers（paper summary 归社区论文）
+      {
+        source: "/docs/CommunityShare/Geek/leworldmodel",
+        destination: "/docs/community/papers/leworldmodel",
+        statusCode: 301,
+      },
+      // CommunityShare/Amazing-AI-Tools 下两篇分家：tool review 归 tools，paper 归 papers
+      {
+        source: "/docs/CommunityShare/Amazing-AI-Tools/perplexity-comet",
+        destination: "/docs/community/tools/perplexity-comet",
+        statusCode: 301,
+      },
+      {
+        source:
+          "/docs/CommunityShare/Amazing-AI-Tools/prompt-repetition-improves-non-reasoning-llms",
+        destination:
+          "/docs/community/papers/prompt-repetition-improves-non-reasoning-llms",
+        statusCode: 301,
+      },
+      // PPO 强化学习主题 → learn/ai/reinforcement-learning
+      {
+        source:
+          "/docs/CommunityShare/Personal-Study-Notes/Reinforcement-Learning/ppo",
+        destination: "/docs/learn/ai/reinforcement-learning/ppo",
+        statusCode: 301,
+      },
+      // swanlab 之前 test run 已移到 ai/misc-tools/（main commit d6d0a3d），现改到 community/tools
+      {
+        source: "/docs/ai/misc-tools/swanlab",
+        destination: "/docs/community/tools/swanlab",
+        statusCode: 301,
+      },
+      // cpp_backend 老命名（下划线 / 大驼峰）→ learn/cs/cpp-backend/ (kebab-case)
+      {
+        source: "/docs/computer-science/cpp_backend/mempool_simple",
+        destination: "/docs/learn/cs/cpp-backend/mempool-simple",
+        statusCode: 301,
+      },
+      {
+        source:
+          "/docs/computer-science/cpp_backend/Handwritten_pool_components/1_Handwritten_threadpool",
+        destination:
+          "/docs/learn/cs/cpp-backend/handwritten-pool-components/1-handwritten-threadpool",
+        statusCode: 301,
+      },
+      {
+        source:
+          "/docs/computer-science/cpp_backend/Handwritten_pool_components/2_Handwritten_mempool1",
+        destination:
+          "/docs/learn/cs/cpp-backend/handwritten-pool-components/2-handwritten-mempool1",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/cpp_backend/easy_compile/1_cpp_libs",
+        destination: "/docs/learn/cs/cpp-backend/easy-compile/1-cpp-libs",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/cpp_backend/easy_compile/2_base_gcc",
+        destination: "/docs/learn/cs/cpp-backend/easy-compile/2-base-gcc",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/cpp_backend/easy_compile/3_Make",
+        destination: "/docs/learn/cs/cpp-backend/easy-compile/3-make",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/cpp_backend/easy_compile/4_CMake",
+        destination: "/docs/learn/cs/cpp-backend/easy-compile/4-cmake",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/cpp_backend/easy_compile/5_vcpkg",
+        destination: "/docs/learn/cs/cpp-backend/easy-compile/5-vcpkg",
+        statusCode: 301,
+      },
+      // all-projects/ai-town → projects/ai-town （顶层化）
+      {
+        source: "/docs/all-projects/ai-town",
+        destination: "/docs/projects/ai-town",
+        statusCode: 301,
+      },
+      // all-projects 裸路径本身也要兜底，防止指 /docs/all-projects 直接 404
+      {
+        source: "/docs/all-projects",
+        destination: "/docs/projects",
+        statusCode: 301,
+      },
+      // CommunityShare / Amazing-AI-Tools index 顶层
+      {
+        source: "/docs/CommunityShare",
+        destination: "/docs/community",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/Amazing-AI-Tools",
+        destination: "/docs/community/tools",
+        statusCode: 301,
+      },
+
+      // ============= Wildcard 顶层区重命名 =============
+      // 学科主目录：ai → learn/ai, computer-science → learn/cs
+      {
+        source: "/docs/ai/:path*",
+        destination: "/docs/learn/ai/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/computer-science/:path*",
+        destination: "/docs/learn/cs/:path*",
+        statusCode: 301,
+      },
+      // 求职场景 jobs/{interview-prep,event-keynote} → career/{interview-prep,events}
+      {
+        source: "/docs/jobs/interview-prep/:path*",
+        destination: "/docs/career/interview-prep/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/jobs/event-keynote/:path*",
+        destination: "/docs/career/events/:path*",
+        statusCode: 301,
+      },
+      // 项目 all-projects → projects
+      {
+        source: "/docs/all-projects/:path*",
+        destination: "/docs/projects/:path*",
+        statusCode: 301,
+      },
+      // CommunityShare 分家：Leetcode 归求职刷题，其他按主题归 community/*
+      {
+        source: "/docs/CommunityShare/Leetcode/:path*",
+        destination: "/docs/career/interview-prep/leetcode/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/Language/:path*",
+        destination: "/docs/community/language/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/Life/:path*",
+        destination: "/docs/community/life/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/MentalHealth/:path*",
+        destination: "/docs/community/mental-health/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/Geek/:path*",
+        destination: "/docs/community/dev-tips/:path*",
+        statusCode: 301,
+      },
+      {
+        source: "/docs/CommunityShare/Amazing-AI-Tools/:path*",
+        destination: "/docs/community/tools/:path*",
+        statusCode: 301,
+      },
+    ];
+  },
   async rewrites() {
     const backendUrl = process.env.BACKEND_URL ?? "http://localhost:8080";
     return [