diff --git a/index.html b/index.html
index 7cfdc38..b81a57d 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,6 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Wiki — 一人公司知识库</title>
 <style>
-/* ===== Ant Design 阿里云风格 Design Tokens ===== */
 :root {
   --color-primary: #1677FF;
   --color-primary-hover: #4096FF;
@@ -31,361 +30,129 @@
   --sidebar-w: 260px;
   --content-max: 960px;
 }
-
 * { margin: 0; padding: 0; box-sizing: border-box; }
-
 body {
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
-    'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
-    'Helvetica Neue', Helvetica, Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
   background: var(--bg);
   color: var(--text-primary);
   line-height: 1.57;
   font-size: 14px;
   min-height: 100vh;
 }
-
-/* ===== Header ===== */
 .header-bar {
-  position: sticky;
-  top: 0;
-  height: var(--header-h);
+  position: sticky; top: 0; height: var(--header-h);
   background: rgba(255,255,255,0.92);
   backdrop-filter: blur(12px);
   border-bottom: 1px solid var(--border-light);
-  display: flex;
-  align-items: center;
-  padding: 0 24px;
-  z-index: 100;
-  gap: 16px;
+  display: flex; align-items: center; padding: 0 24px; z-index: 100; gap: 16px;
 }
-
-.header-bar .brand {
-  display: flex;
-  align-items: baseline;
-  gap: 10px;
-  flex-shrink: 0;
-}
-
+.header-bar .brand { display: flex; align-items: baseline; gap: 10px; flex-shrink: 0; }
 .header-bar h1 {
-  font-size: 16px;
-  font-weight: 700;
+  font-size: 16px; font-weight: 700;
   background: linear-gradient(135deg, var(--color-primary) 0%, #722ED1 100%);
-  -webkit-background-clip: text;
-  -webkit-text-fill-color: transparent;
-  background-clip: text;
+  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
 }
-
-.header-bar .tagline {
-  font-size: 12px;
-  color: var(--text-tertiary);
-}
-
-/* Search */
-.search-box {
-  flex: 1;
-  max-width: 400px;
-  position: relative;
-}
-
+.header-bar .tagline { font-size: 12px; color: var(--text-tertiary); }
+.search-box { flex: 1; max-width: 400px; position: relative; }
 .search-box input {
-  width: 100%;
-  padding: 6px 12px 6px 32px;
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  font-size: 13px;
-  outline: none;
-  background: var(--bg-elevated);
+  width: 100%; padding: 6px 12px 6px 32px;
+  border: 1px solid var(--border); border-radius: var(--radius-sm);
+  font-size: 13px; outline: none; background: var(--bg-elevated);
   transition: border-color 0.15s ease, box-shadow 0.15s ease;
 }
-
-.search-box input:focus {
-  border-color: var(--color-primary);
-  box-shadow: 0 0 0 2px var(--color-primary-bg);
-  background: var(--bg-container);
-}
-
-.search-box .search-icon {
-  position: absolute;
-  left: 10px;
-  top: 50%;
-  transform: translateY(-50%);
-  color: var(--text-tertiary);
-  font-size: 14px;
-  pointer-events: none;
-}
-
-/* ===== Layout ===== */
-.layout {
-  display: flex;
-  max-width: 1200px;
-  margin: 0 auto;
-  min-height: calc(100vh - var(--header-h));
-}
-
-/* ===== Sidebar ===== */
+.search-box input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-bg); background: var(--bg-container); }
+.search-box .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 14px; pointer-events: none; }
+.layout { display: flex; max-width: 1200px; margin: 0 auto; min-height: calc(100vh - var(--header-h)); }
 .sidebar {
-  width: var(--sidebar-w);
-  flex-shrink: 0;
-  background: var(--bg-container);
-  border-right: 1px solid var(--border-light);
-  padding: 16px 0;
-  overflow-y: auto;
-  position: sticky;
-  top: var(--header-h);
-  height: calc(100vh - var(--header-h));
+  width: var(--sidebar-w); flex-shrink: 0; background: var(--bg-container);
+  border-right: 1px solid var(--border-light); padding: 16px 0;
+  overflow-y: auto; position: sticky; top: var(--header-h); height: calc(100vh - var(--header-h));
 }
-
-.sidebar .nav-section {
-  padding: 0 16px;
-  margin-bottom: 8px;
-}
-
+.sidebar .nav-section { padding: 0 16px; margin-bottom: 8px; }
 .sidebar .nav-section-title {
-  font-size: 11px;
-  font-weight: 600;
-  color: var(--text-tertiary);
-  text-transform: uppercase;
-  letter-spacing: 0.5px;
-  margin-bottom: 4px;
-  padding: 4px 0;
+  font-size: 11px; font-weight: 600; color: var(--text-tertiary);
+  letter-spacing: 0.5px; margin-bottom: 4px; padding: 4px 0;
 }
-
 .sidebar .nav-item {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  padding: 6px 12px;
-  border-radius: var(--radius-sm);
-  font-size: 13px;
-  color: var(--text-secondary);
-  cursor: pointer;
-  transition: all 0.12s ease;
-  text-decoration: none;
+  display: flex; align-items: center; gap: 8px;
+  padding: 6px 12px; border-radius: var(--radius-sm);
+  font-size: 13px; color: var(--text-secondary);
+  cursor: pointer; transition: all 0.12s ease; text-decoration: none;
 }
-
-.sidebar .nav-item:hover {
-  background: var(--bg-elevated);
-  color: var(--text-primary);
-}
-
-.sidebar .nav-item.active {
-  background: var(--color-primary-bg);
-  color: var(--color-primary);
-  font-weight: 500;
-}
-
-.sidebar .nav-item .nav-icon {
-  font-size: 14px;
-  flex-shrink: 0;
-  width: 18px;
-  text-align: center;
-}
-
+.sidebar .nav-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
+.sidebar .nav-item.active { background: var(--color-primary-bg); color: var(--color-primary); font-weight: 500; }
+.sidebar .nav-item .nav-icon { font-size: 14px; flex-shrink: 0; width: 18px; text-align: center; }
 .sidebar .nav-item .nav-count {
-  margin-left: auto;
-  font-size: 11px;
-  color: var(--text-tertiary);
-  background: var(--bg-elevated);
-  border-radius: 10px;
-  padding: 0 6px;
-  line-height: 1.6;
+  margin-left: auto; font-size: 11px; color: var(--text-tertiary);
+  background: var(--bg-elevated); border-radius: 10px; padding: 0 6px; line-height: 1.6;
 }
-
-.sidebar .nav-item.active .nav-count {
-  background: rgba(22,119,255,0.12);
-  color: var(--color-primary);
-}
-
-/* Sub-nav */
-.sidebar .sub-nav {
-  padding-left: 24px;
-  overflow: hidden;
-  max-height: 0;
-  transition: max-height 0.25s ease;
-}
-
+.sidebar .nav-item.active .nav-count { background: rgba(22,119,255,0.12); color: var(--color-primary); }
+.sidebar .sub-nav { padding-left: 24px; overflow: hidden; max-height: 0; transition: max-height 0.25s ease; }
 .sidebar .sub-nav.open { max-height: 500px; }
-
-.sidebar .sub-nav .nav-item {
-  font-size: 12px;
-  padding: 4px 12px;
+.sidebar .sub-nav .nav-item { font-size: 12px; padding: 4px 12px; }
+.main { flex: 1; padding: 24px 32px 64px; min-width: 0; }
+.breadcrumb { font-size: 12px; color: var(--text-tertiary); margin-bottom: 12px; }
+.breadcrumb a { color: var(--text-tertiary); text-decoration: none; }
+.breadcrumb a:hover { color: var(--color-primary); }
+.breadcrumb .sep { margin: 0 4px; }
+.stats-bar { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
+.stat-item {
+  display: flex; align-items: baseline; gap: 4px;
+  padding: 8px 16px; background: var(--bg-container);
+  border: 1px solid var(--border-light); border-radius: var(--radius-sm);
 }
-
-/* ===== Main Content ===== */
-.main {
-  flex: 1;
-  padding: 24px 32px 64px;
-  min-width: 0;
+.stat-num { font-size: 20px; font-weight: 700; color: var(--color-primary); }
+.stat-label { font-size: 12px; color: var(--text-tertiary); }
+.wiki-section-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
+.wiki-section-desc { font-size: 13px; color: var(--text-tertiary); margin-bottom: 16px; }
+.all-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
+.all-card {
+  background: var(--bg-container); border: 1px solid var(--border-light);
+  border-radius: var(--radius-md); padding: 16px 20px;
+  transition: all 0.15s ease; text-decoration: none; color: var(--text-primary); display: block;
 }
-
-.wiki-section {
-  margin-bottom: 32px;
+.all-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
+.all-card .card-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
+.all-card .card-desc {
+  font-size: 12px; color: var(--text-tertiary); line-height: 1.5;
+  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
 }
-
-.wiki-section-title {
-  font-size: 18px;
-  font-weight: 700;
-  color: var(--text-primary);
-  margin-bottom: 4px;
-}
-
-.wiki-section-desc {
-  font-size: 13px;
-  color: var(--text-tertiary);
-  margin-bottom: 16px;
-}
-
-/* Wiki TOC table */
+.all-card .card-meta { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
+.all-card .card-badge { font-size: 11px; padding: 1px 8px; border-radius: 10px; font-weight: 500; }
+.all-card .card-date { font-size: 11px; color: var(--text-tertiary); }
 .wiki-toc {
-  background: var(--bg-container);
-  border: 1px solid var(--border-light);
-  border-radius: var(--radius-md);
-  overflow: hidden;
+  background: var(--bg-container); border: 1px solid var(--border-light);
+  border-radius: var(--radius-md); overflow: hidden; margin-top: 8px;
 }
-
 .wiki-toc-header {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  padding: 14px 20px;
-  background: var(--bg-elevated);
-  border-bottom: 1px solid var(--border-light);
-  cursor: pointer;
-  user-select: none;
-  transition: background 0.12s ease;
+  display: flex; align-items: center; gap: 10px; padding: 14px 20px;
+  background: var(--bg-elevated); border-bottom: 1px solid var(--border-light);
+  cursor: pointer; user-select: none; transition: background 0.12s ease;
 }
-
 .wiki-toc-header:hover { background: var(--color-primary-bg); }
-
-.wiki-toc-header .toc-icon {
-  font-size: 16px;
-  transition: transform 0.2s ease;
-}
-
+.wiki-toc-header .toc-icon { font-size: 16px; transition: transform 0.2s ease; }
 .wiki-toc-header.open .toc-icon { transform: rotate(90deg); }
-
-.wiki-toc-header .toc-title {
-  font-size: 14px;
-  font-weight: 600;
-  flex: 1;
-}
-
-.wiki-toc-header .toc-count {
-  font-size: 12px;
-  color: var(--text-tertiary);
-}
-
-.wiki-toc-body {
-  overflow: hidden;
-  max-height: 0;
-  transition: max-height 0.3s ease;
-}
-
+.wiki-toc-header .toc-title { font-size: 14px; font-weight: 600; flex: 1; }
+.wiki-toc-header .toc-count { font-size: 12px; color: var(--text-tertiary); }
+.wiki-toc-body { overflow: hidden; max-height: 0; transition: max-height 0.3s ease; }
 .wiki-toc-body.open { max-height: 2000px; }
-
 .wiki-toc-item {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  padding: 10px 20px 10px 46px;
-  border-bottom: 1px solid var(--border-light);
-  transition: background 0.1s ease;
-  text-decoration: none;
-  color: var(--text-primary);
+  display: flex; align-items: center; gap: 10px;
+  padding: 10px 20px 10px 46px; border-bottom: 1px solid var(--border-light);
+  transition: background 0.1s ease; text-decoration: none; color: var(--text-primary);
 }
-
 .wiki-toc-item:last-child { border-bottom: none; }
 .wiki-toc-item:hover { background: var(--color-primary-bg); }
-
-.wiki-toc-item .item-icon {
-  font-size: 14px;
-  color: var(--text-tertiary);
-  flex-shrink: 0;
-}
-
-.wiki-toc-item .item-title {
-  flex: 1;
-  font-size: 13px;
-}
-
+.wiki-toc-item .item-icon { font-size: 14px; color: var(--text-tertiary); flex-shrink: 0; }
+.wiki-toc-item .item-title { flex: 1; font-size: 13px; }
 .wiki-toc-item .item-tag {
-  font-size: 11px;
-  padding: 1px 8px;
-  border-radius: 10px;
-  background: var(--bg-elevated);
-  color: var(--text-tertiary);
-  flex-shrink: 0;
+  font-size: 11px; padding: 1px 8px; border-radius: 10px;
+  background: var(--bg-elevated); color: var(--text-tertiary); flex-shrink: 0;
 }
-
-/* All items view (when no section selected) */
-.all-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
-  gap: 12px;
-}
-
-.all-card {
-  background: var(--bg-container);
-  border: 1px solid var(--border-light);
-  border-radius: var(--radius-md);
-  padding: 16px 20px;
-  transition: all 0.15s ease;
-  text-decoration: none;
-  color: var(--text-primary);
-  display: block;
-}
-
-.all-card:hover {
-  border-color: var(--color-primary);
-  box-shadow: var(--shadow-md);
-}
-
-.all-card .card-title {
-  font-size: 14px;
-  font-weight: 600;
-  margin-bottom: 4px;
-}
-
-.all-card .card-desc {
-  font-size: 12px;
-  color: var(--text-tertiary);
-  line-height: 1.5;
-  display: -webkit-box;
-  -webkit-line-clamp: 2;
-  -webkit-box-orient: vertical;
-  overflow: hidden;
-}
-
-.all-card .card-meta {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  margin-top: 8px;
-}
-
-.all-card .card-badge {
-  font-size: 11px;
-  padding: 1px 8px;
-  border-radius: 10px;
-  font-weight: 500;
-}
-
-.all-card .card-date {
-  font-size: 11px;
-  color: var(--text-tertiary);
-}
-
-/* ===== Footer ===== */
 .footer {
-  padding: 16px 0;
-  border-top: 1px solid var(--border-light);
-  font-size: 12px;
-  color: var(--text-tertiary);
-  text-align: center;
+  padding: 16px 0; border-top: 1px solid var(--border-light);
+  font-size: 12px; color: var(--text-tertiary); text-align: center;
 }
-
-/* ===== Responsive ===== */
 @media (max-width: 768px) {
   .sidebar { display: none; }
   .main { padding: 16px; }
@@ -393,51 +160,6 @@ body {
   .search-box { max-width: 200px; }
   .all-grid { grid-template-columns: 1fr; }
 }
-
-/* Breadcrumb */
-.breadcrumb {
-  font-size: 12px;
-  color: var(--text-tertiary);
-  margin-bottom: 12px;
-}
-
-.breadcrumb a {
-  color: var(--text-tertiary);
-  text-decoration: none;
-}
-
-.breadcrumb a:hover { color: var(--color-primary); }
-
-.breadcrumb .sep { margin: 0 4px; }
-
-/* Stats bar */
-.stats-bar {
-  display: flex;
-  gap: 16px;
-  margin-bottom: 24px;
-  flex-wrap: wrap;
-}
-
-.stat-item {
-  display: flex;
-  align-items: baseline;
-  gap: 4px;
-  padding: 8px 16px;
-  background: var(--bg-container);
-  border: 1px solid var(--border-light);
-  border-radius: var(--radius-sm);
-}
-
-.stat-num {
-  font-size: 20px;
-  font-weight: 700;
-  color: var(--color-primary);
-}
-
-.stat-label {
-  font-size: 12px;
-  color: var(--text-tertiary);
-}
 </style>
 </head>
 <body>
@@ -461,116 +183,110 @@ body {
 <script>
 const wikiData = [
   {
-    dir: "工程指南",
-    icon: "📘",
-    desc: "工具使用指南、开发规范、操作手册",
+    dir: "身份认证与安全",
+    icon: "&#x1F510;",
+    desc: "统一身份认证、IAM 选型、零信任安全",
+    color: "pink",
+    items: [
+      { path: "全域智能认证与门户平台/报告/unified-auth-portal-requirements.html", title: "全域智能认证与门户平台需求分析", desc: "企业级统一身份认证与门户平台完整需求拆解，含 13 套系统对接清单、架构设计、实施路线图", date: "2026-05-08" },
+      { path: "全域智能认证与门户平台/报告/identity-auth-center-tech-analysis.html", title: "身份认证中心技术解析", desc: "多元化认证、零信任登录、密码代填、CAS 对接深度解析，Keycloak/Casdoor/MaxKey 对比", date: "2026-05-08" },
+      { path: "全域智能认证与门户平台/报告/opensource-iam-selection-report.html", title: "开源 IAM 项目选型报告", desc: "5 大开源 IAM 项目匹配度深度对比，含需求矩阵、综合评分与推荐架构蓝图", date: "2026-05-08" }
+    ]
+  },
+  {
+    dir: "IoT 与数据平台",
+    icon: "&#x1F3ED;",
+    desc: "物联网数据平台、IoT 架构、数据库迁移",
+    color: "blue",
+    items: [
+      { path: "沈阳顺义-数据-项目建设方案/报告/沈阳顺义数据项目建设方案解读.html", title: "沈阳顺义数据项目建设方案解读", desc: "PHM 数据应用平台 12+3 功能模块拆解、17 项功能要求覆盖、13 项技术指标对照", date: "2026-05-12" },
+      { path: "沈阳顺义-数据-项目建设方案/报告/开源项目匹配度分析.html", title: "沈阳顺义项目开源方案匹配度", desc: "10 个开源项目在 IoT 层、数据治理层、算法层的匹配度矩阵与推荐组合", date: "2026-05-12" },
+      { path: "沈阳顺义-数据-项目建设方案/报告/开源版专业版功能对比.html", title: "开源版 vs 专业版功能对比", desc: "13 大模块逐项对比，标注开源版已包含/部分包含/缺失功能项", date: "2026-05-12" },
+      { path: "沈阳顺义-数据-项目建设方案/报告/需求对比分析报告.html", title: "需求文档 vs 系统实际功能对比", desc: "需求文档与系统实际功能覆盖度对照分析", date: "2026-05-12" },
+      { path: "MySQL转PostgreSQL迁移工具/报告/mysql-to-pg-migration-tools.html", title: "MySQL 转 PostgreSQL 迁移工具", desc: "主流迁移工具对比分析，含云厂商方案与开源方案", date: "2026-05-04" }
+    ]
+  },
+  {
+    dir: "电商与商业",
+    icon: "&#x1F6D2;",
+    desc: "电商系统、分销推广、商业模式",
+    color: "mint",
+    items: [
+      { path: "金鹿商城电商小程序需求分析/报告/jinlu-deer-mall-requirements-analysis.html", title: "金鹿商城电商小程序需求分析", desc: "需求解读与 CRMEB 差异对比，含限时抢签/活动币/积分商城模块拆解与 26 人天实施计划", date: "2026-05-09" },
+      { path: "crmeb-mer-graph-report.html", title: "CRMEB-MER 项目图谱报告", desc: "多商户电商系统的代码结构、依赖图谱与架构深度分析", date: "2026-05-06" },
+      { path: "分销商城推广模式调研/报告/分销商城推广模式全景调研.html", title: "分销商城推广模式全景调研", desc: "18 种推广模式系统梳理，含核心机制、收益分析、分润计算、合规框架与选型", date: "2026-05-06" },
+      { path: "国内商业业态分类到家/报告/到家业态分类全景.html", title: "国内商业业态分类（到家服务）", desc: "按服务本质分为 5 大板块 92 业态，含楼层收费参考与商业模式对比", date: "2026-05-05" }
+    ]
+  },
+  {
+    dir: "AI 开发工具",
+    icon: "&#x1F916;",
+    desc: "AI 辅助开发、代码分析、MCP 服务",
+    color: "lavender",
     items: [
       { path: "Claude Code 工程师使用指南/报告/claude-code-engineering-guide.html", title: "Claude Code 最佳实践", desc: "Claude Code 在软件工程场景下的最佳实践与工作流指南", date: "2026-04-29" },
       { path: "graphify-rs使用手册/报告/graphify-rs-usage-guide.html", title: "graphify-rs 使用手册", desc: "代码知识图谱工具完整使用指南，含安装、构建、查询、集成", date: "2026-05-08" },
+      { path: "Graphify 深度分析报告/代码/graphify-analysis.html", title: "Graphify 代码分析", desc: "Graphify 项目的代码结构、质量指标与重构建议", date: "2026-04-29" },
+      { path: "代码图谱工具调研/报告/code-structure-tools-analysis.html", title: "代码图谱工具调研", desc: "主流代码结构与可视化工具的横向对比分析", date: "2026-04-29" },
       { path: "mcp-services-guide/index.html", title: "MCP 服务大全", desc: "适合开发者使用的 MCP 服务大全，含功能对比与快速开始指南", date: "2026-04-29" }
     ]
   },
   {
-    dir: "深度分析",
-    icon: "🔬",
-    desc: "项目代码分析、架构设计、需求拆解",
+    dir: "政务与行业",
+    icon: "&#x1F3DB;",
+    desc: "政府招投标、智慧监管、政策解读",
+    color: "pink",
     items: [
-      { path: "Graphify 深度分析报告/代码/graphify-analysis.html", title: "Graphify 代码分析", desc: "Graphify 项目的代码结构、质量指标与重构建议", date: "2026-04-29" },
-      { path: "crmeb-mer-graph-report.html", title: "CRMEB-MER 项目图谱报告", desc: "多商户电商系统的代码结构、依赖图谱与架构深度分析", date: "2026-05-06" },
-      { path: "全域智能认证与门户平台/报告/unified-auth-portal-requirements.html", title: "全域智能认证与门户平台需求分析", desc: "企业级统一身份认证与门户平台完整需求拆解，含 13 套系统对接清单与实施路线图", date: "2026-05-08" },
-      { path: "全域智能认证与门户平台/报告/identity-auth-center-tech-analysis.html", title: "身份认证中心技术解析", desc: "多元化认证、零信任登录、密码代填、CAS 对接深度解析，Keycloak/Casdoor/MaxKey 对比", date: "2026-05-08" },
-      { path: "全域智能认证与门户平台/报告/opensource-iam-selection-report.html", title: "开源 IAM 项目选型报告", desc: "5 大开源 IAM 项目匹配度深度对比，含需求矩阵、综合评分与推荐架构", date: "2026-05-08" },
-      { path: "金鹿商城电商小程序需求分析/报告/jinlu-deer-mall-requirements-analysis.html", title: "金鹿商城电商小程序需求分析", desc: "需求解读与 CRMEB 差异对比，含限时抢签/活动币/积分商城模块拆解与 26 人天实施计划", date: "2026-05-09" },
-      { path: "沈阳顺义-数据-项目建设方案/报告/沈阳顺义数据项目建设方案解读.html", title: "沈阳顺义数据项目建设方案解读", desc: "PHM 数据应用平台 12+3 功能模块拆解、17 项功能要求覆盖、13 项技术指标对照", date: "2026-05-12" },
-      { path: "沈阳顺义-数据-项目建设方案/报告/开源项目匹配度分析.html", title: "沈阳顺义项目开源方案匹配度", desc: "10 个开源项目在 IoT 层、数据治理层、算法层的匹配度矩阵与推荐组合", date: "2026-05-12" },
-      { path: "沈阳顺义-数据-项目建设方案/报告/开源版专业版功能对比.html", title: "开源版 vs 专业版功能对比", desc: "13 大模块逐项对比，标注开源版已包含/部分包含/缺失功能项", date: "2026-05-12" }
-    ]
-  },
-  {
-    dir: "调研研究",
-    icon: "📊",
-    desc: "行业调研、技术选型、政策解读",
-    items: [
-      { path: "代码图谱工具调研/报告/code-structure-tools-analysis.html", title: "代码图谱工具调研", desc: "主流代码结构与可视化工具的横向对比分析", date: "2026-04-29" },
-      { path: "MySQL转PostgreSQL迁移工具/报告/mysql-to-pg-migration-tools.html", title: "MySQL 转 PostgreSQL 迁移工具", desc: "主流迁移工具对比分析，含云厂商方案与开源方案", date: "2026-05-04" },
-      { path: "国内商业业态分类到家/报告/到家业态分类全景.html", title: "国内商业业态分类（到家服务）", desc: "按服务本质分为 5 大板块 92 业态，含楼层收费参考与商业模式对比", date: "2026-05-05" },
-      { path: "在线下单配送抢单小程序调研/报告/delivery-order-grabbing-mini-program-research.html", title: "在线下单配送抢单小程序调研", desc: "Top 5 开源外卖/跑腿/抢单小程序横向对比，含功能完成度矩阵与技术方案", date: "2026-05-05" },
-      { path: "分销商城推广模式调研/报告/分销商城推广模式全景调研.html", title: "分销商城推广模式全景调研", desc: "18 种推广模式系统梳理，含核心机制、收益分析、分润计算、合规框架与选型", date: "2026-05-06" },
-      { path: "招标投标AI推广应用政策解读/报告/ai-bidding-tendering-policy-analysis.html", title: "招标投标领域AI推广应用政策解读", desc: "国家发改委等八部门联合发文，6 大领域 20 个 AI 场景全景拆解与市场机遇", date: "2026-05-09" },
+      { path: "招标投标AI推广应用政策解读/报告/ai-bidding-tendering-policy-analysis.html", title: "招标投标领域AI政策解读", desc: "国家发改委等八部门联合发文，6 大领域 20 个 AI 场景全景拆解与市场机遇", date: "2026-05-09" },
       { path: "招标投标AI推广应用政策解读/报告/provincial-bidding-smart-supervision-platform.html", title: "省级招投标智慧监管平台建设方案", desc: "业务痛点分析、8 大业务场景设计、功能模块规划、系统架构与技术路径", date: "2026-05-09" }
     ]
   },
   {
-    dir: "交互式演示",
-    icon: "🎮",
-    desc: "3D 动画、可视化交互演示",
+    dir: "配送与到家",
+    icon: "&#x1F69A;",
+    desc: "在线下单、配送调度、到家服务",
+    color: "mint",
     items: [
+      { path: "在线下单配送抢单小程序调研/报告/delivery-order-grabbing-mini-program-research.html", title: "在线下单配送抢单小程序调研", desc: "Top 5 开源外卖/跑腿/抢单小程序横向对比，含功能完成度矩阵与技术方案", date: "2026-05-05" },
       { path: "交互式演示/tetrahedron-interactive.html", title: "正四面体旋转与展开动画", desc: "鼠标拖拽旋转四面体，点击铰链展开为平面展开图", date: "2026-05-06" }
     ]
   }
 ];
 
-// Flat list for search and "all" view
 const allItems = [];
-for (const section of wikiData) {
-  for (const item of section.items) {
-    allItems.push({ ...item, section: section.dir, sectionIcon: section.icon, sectionDesc: section.desc });
+for (const s of wikiData) {
+  for (const item of s.items) {
+    allItems.push({ ...item, section: s.dir, icon: s.icon, desc: s.desc });
   }
 }
 
-let currentView = 'all'; // 'all' or section dir name
+let currentView = 'all';
 let searchQuery = '';
 
-function getBadgeColor(section) {
-  const map = { '工程指南': 'blue', '深度分析': 'pink', '调研研究': 'mint', '交互式演示': 'lavender' };
-  return map[section] || 'blue';
-}
-
-function badgeStyle(color) {
-  const map = {
-    blue: 'background:#E6F4FF;color:#1677FF;border:1px solid #91CAFF',
-    pink: 'background:#FFF0F6;color:#EB2F96;border:1px solid #FFADD2',
-    mint: 'background:#F6FFED;color:#52C41A;border:1px solid #B7EB8F',
-    lavender: 'background:#F9F0FF;color:#722ED1;border:1px solid #D3ADF7'
-  };
-  return map[color] || map.blue;
-}
+const badgeStyle = {
+  pink: 'background:#FFF0F6;color:#EB2F96;border:1px solid #FFADD2',
+  blue: 'background:#E6F4FF;color:#1677FF;border:1px solid #91CAFF',
+  mint: 'background:#F6FFED;color:#52C41A;border:1px solid #B7EB8F',
+  lavender: 'background:#F9F0FF;color:#722ED1;border:1px solid #D3ADF7'
+};
 
 function buildSidebar() {
   const sidebar = document.getElementById('sidebar');
   let html = '<div class="nav-section"><div class="nav-section-title">导航</div>';
-  html += `<a class="nav-item${currentView === 'all' ? ' active' : ''}" href="#" data-view="all">
-    <span class="nav-icon">&#x1F3E0;</span>
-    <span>全部文档</span>
-    <span class="nav-count">${allItems.length}</span>
-  </a>`;
+  html += '<a class="nav-item' + (currentView === 'all' ? ' active' : '') + '" href="#" data-view="all"><span class="nav-icon">&#x1F3E0;</span><span>全部文档</span><span class="nav-count">' + allItems.length + '</span></a>';
   html += '</div>';
-
   for (const section of wikiData) {
-    html += `<div class="nav-section">
-      <div class="nav-section-title">${section.desc}</div>`;
-    html += `<a class="nav-item${currentView === section.dir ? ' active' : ''}" href="#" data-view="${section.dir}">
-      <span class="nav-icon">${section.icon}</span>
-      <span>${section.dir}</span>
-      <span class="nav-count">${section.items.length}</span>
-    </a>`;
-
-    // Sub items
-    html += `<div class="sub-nav${currentView === section.dir ? ' open' : ''}">`;
+    html += '<div class="nav-section"><div class="nav-section-title">' + section.desc + '</div>';
+    html += '<a class="nav-item' + (currentView === section.dir ? ' active' : '') + '" href="#" data-view="' + section.dir + '"><span class="nav-icon">' + section.icon + '</span><span>' + section.dir + '</span><span class="nav-count">' + section.items.length + '</span></a>';
+    html += '<div class="sub-nav' + (currentView === section.dir ? ' open' : '') + '">';
     for (const item of section.items) {
-      html += `<a class="nav-item" href="${item.path}">
-        <span class="nav-icon">&#x1F4C4;</span>
-        <span>${item.title}</span>
-      </a>`;
+      html += '<a class="nav-item" href="' + item.path + '"><span class="nav-icon">&#x1F4C4;</span><span>' + item.title + '</span></a>';
     }
     html += '</div></div>';
   }
-
   sidebar.innerHTML = html;
-
-  // Bind events
-  sidebar.querySelectorAll('.nav-item[data-view]').forEach(el => {
-    el.addEventListener('click', e => {
+  sidebar.querySelectorAll('.nav-item[data-view]').forEach(function(el) {
+    el.addEventListener('click', function(e) {
       e.preventDefault();
       currentView = el.dataset.view;
       render();
@@ -580,118 +296,72 @@ function buildSidebar() {
 
 function render() {
   buildSidebar();
-  const main = document.getElementById('main');
-
-  if (currentView === 'all') {
-    renderAllView(main);
-  } else {
-    renderSectionView(main);
-  }
+  var main = document.getElementById('main');
+  if (currentView === 'all') renderAllView(main);
+  else renderSectionView(main);
 }
 
 function renderAllView(main) {
-  const filtered = searchQuery
-    ? allItems.filter(i =>
-        i.title.toLowerCase().includes(searchQuery) ||
-        i.desc.toLowerCase().includes(searchQuery) ||
-        i.section.toLowerCase().includes(searchQuery))
+  var filtered = searchQuery
+    ? allItems.filter(function(i) { return i.title.toLowerCase().indexOf(searchQuery) !== -1 || i.desc.toLowerCase().indexOf(searchQuery) !== -1 || i.section.toLowerCase().indexOf(searchQuery) !== -1; })
     : allItems;
 
-  let html = `<div class="breadcrumb"><a href="#" data-breadcrumb="all">Wiki 知识库</a></div>`;
-  html += `<div class="stats-bar">
-    <div class="stat-item"><span class="stat-num">${wikiData.length}</span><span class="stat-label">分类</span></div>
-    <div class="stat-item"><span class="stat-num">${allItems.length}</span><span class="stat-label">文档</span></div>
-    <div class="stat-item"><span class="stat-num">${filtered.length}</span><span class="stat-label">${searchQuery ? '搜索结果' : '当前展示'}</span></div>
-  </div>`;
-
-  html += '<div class="all-grid">';
-  for (const item of filtered) {
-    const color = getBadgeColor(item.section);
-    html += `<a class="all-card" href="${item.path}">
-      <div class="card-title">${item.title}</div>
-      <div class="card-desc">${item.desc}</div>
-      <div class="card-meta">
-        <span class="card-badge" style="${badgeStyle(color)}">${item.section}</span>
-        <span class="card-date">${item.date}</span>
-      </div>
-    </a>`;
-  }
+  var html = '<div class="breadcrumb"><a href="#" data-breadcrumb="all">Wiki 知识库</a></div>';
+  html += '<div class="stats-bar">';
+  html += '<div class="stat-item"><span class="stat-num">' + wikiData.length + '</span><span class="stat-label">分类</span></div>';
+  html += '<div class="stat-item"><span class="stat-num">' + allItems.length + '</span><span class="stat-label">文档</span></div>';
+  html += '<div class="stat-item"><span class="stat-num">' + filtered.length + '</span><span class="stat-label">' + (searchQuery ? '搜索结果' : '当前展示') + '</span></div>';
   html += '</div>';
 
-  if (!filtered.length) {
-    html += `<div style="text-align:center;padding:48px 0;color:var(--text-tertiary)">
-      <div style="font-size:32px;margin-bottom:8px">&#x1F50D;</div>
-      <div>没有找到匹配的文档</div>
-    </div>`;
+  // Group cards by section
+  for (const section of wikiData) {
+    const items = searchQuery ? filtered.filter(function(i){ return i.section === section.dir; }) : section.items;
+    if (!items.length) continue;
+    html += '<div class="wiki-section"><div class="wiki-section-title">' + section.icon + ' ' + section.dir + '</div>';
+    html += '<div class="wiki-section-desc">' + section.desc + '</div>';
+    html += '<div class="all-grid">';
+    for (const item of items) {
+      html += '<a class="all-card" href="' + item.path + '">';
+      html += '<div class="card-title">' + item.title + '</div>';
+      html += '<div class="card-desc">' + item.desc + '</div>';
+      html += '<div class="card-meta"><span class="card-badge" style="' + badgeStyle[section.color] + '">' + section.dir + '</span><span class="card-date">' + item.date + '</span></div>';
+      html += '</a>';
+    }
+    html += '</div></div>';
   }
 
+  if (!filtered.length) {
+    html += '<div style="text-align:center;padding:48px 0;color:var(--text-tertiary)"><div style="font-size:32px;margin-bottom:8px">&#x1F50D;</div><div>没有找到匹配的文档</div></div>';
+  }
   main.innerHTML = html;
-
-  // Breadcrumb event
-  main.querySelector('[data-breadcrumb="all"]')?.addEventListener('click', e => {
-    e.preventDefault();
-    currentView = 'all';
-    render();
-  });
+  main.querySelector('[data-breadcrumb="all"]')?.addEventListener('click', function(e) { e.preventDefault(); currentView = 'all'; render(); });
 }
 
 function renderSectionView(main) {
-  const section = wikiData.find(s => s.dir === currentView);
+  var section = wikiData.find(function(s){ return s.dir === currentView; });
   if (!section) return;
 
-  const filtered = searchQuery
-    ? section.items.filter(i =>
-        i.title.toLowerCase().includes(searchQuery) ||
-        i.desc.toLowerCase().includes(searchQuery))
+  var filtered = searchQuery
+    ? section.items.filter(function(i) { return i.title.toLowerCase().indexOf(searchQuery) !== -1 || i.desc.toLowerCase().indexOf(searchQuery) !== -1; })
     : section.items;
 
-  let html = `<div class="breadcrumb">
-    <a href="#" data-breadcrumb="all">Wiki 知识库</a>
-    <span class="sep">/</span>
-    <span>${section.icon} ${section.dir}</span>
-  </div>`;
-
-  html += `<div class="wiki-section">
-    <div class="wiki-section-title">${section.icon} ${section.dir}</div>
-    <div class="wiki-section-desc">${section.desc}</div>
-  </div>`;
-
-  // TOC
-  html += `<div class="wiki-toc">
-    <div class="wiki-toc-header open" onclick="this.classList.toggle('open');this.nextElementSibling.classList.toggle('open')">
-      <span class="toc-icon">&#x25B6;</span>
-      <span class="toc-title">文档目录</span>
-      <span class="toc-count">${section.items.length} 篇</span>
-    </div>
-    <div class="wiki-toc-body open">`;
-
+  var html = '<div class="breadcrumb"><a href="#" data-breadcrumb="all">Wiki 知识库</a><span class="sep">/</span><span>' + section.icon + ' ' + section.dir + '</span></div>';
+  html += '<div class="wiki-section"><div class="wiki-section-title">' + section.icon + ' ' + section.dir + '</div>';
+  html += '<div class="wiki-section-desc">' + section.desc + '</div></div>';
+  html += '<div class="wiki-toc"><div class="wiki-toc-header open" onclick="this.classList.toggle(\'open\');this.nextElementSibling.classList.toggle(\'open\')"><span class="toc-icon">&#x25B6;</span><span class="toc-title">文档目录</span><span class="toc-count">' + section.items.length + ' 篇</span></div>';
+  html += '<div class="wiki-toc-body open">';
   for (const item of filtered) {
-    html += `<a class="wiki-toc-item" href="${item.path}">
-      <span class="item-icon">&#x1F4C4;</span>
-      <span class="item-title">${item.title}</span>
-      <span class="item-tag">${item.date}</span>
-    </a>`;
+    html += '<a class="wiki-toc-item" href="' + item.path + '"><span class="item-icon">&#x1F4C4;</span><span class="item-title">' + item.title + '</span><span class="item-tag">' + item.date + '</span></a>';
   }
-
   html += '</div></div>';
 
   if (!filtered.length) {
-    html += `<div style="text-align:center;padding:48px 0;color:var(--text-tertiary)">
-      <div style="font-size:32px;margin-bottom:8px">&#x1F50D;</div>
-      <div>没有找到匹配的文档</div>
-    </div>`;
+    html += '<div style="text-align:center;padding:48px 0;color:var(--text-tertiary)"><div style="font-size:32px;margin-bottom:8px">&#x1F50D;</div><div>没有找到匹配的文档</div></div>';
   }
-
   main.innerHTML = html;
-
-  main.querySelector('[data-breadcrumb="all"]')?.addEventListener('click', e => {
-    e.preventDefault();
-    currentView = 'all';
-    render();
-  });
+  main.querySelector('[data-breadcrumb="all"]')?.addEventListener('click', function(e) { e.preventDefault(); currentView = 'all'; render(); });
 }
 
-// Search
 document.getElementById('searchInput').addEventListener('input', function() {
   searchQuery = this.value.toLowerCase().trim();
   render();