feat: 全站改版为科技首页风格，重构导航与产品页面

- 品牌更名 Easy Data Collection
- 导航重构：前沿技术研究 / 工具开发 / 资源中心 / License / 博客（含下拉菜单）
- 新增前沿技术研究聚合页、工具开发产品页与 6 个产品独立介绍页
- License 申请 / 查询下载 / 资源包合并为 License 中心，旧路径保留兼容
- 首页与全站样式升级为科技产品风（Apple/Wise 式）
- 博客构建脚本同步更新（新导航 + 新首页）

website/static/blog/2026-08-13-welcome/index.html

@@ -5,26 +5,52 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>博客开张 - 江北的渔夫的空间</title>
 <meta name="description" content="江北的渔夫的空间 —— 工业软件、标准件库与数字化实践分享">
-<meta name="keywords" content="江北的渔夫的空间, Easy Data Collector, ResLib, 资源中心管理器, Creo, 标准零部件库, 数字孪生">
+<meta name="keywords" content="江北的渔夫的空间, Easy Data Collection, ResLib, 资源中心管理器, Creo, 标准零部件库, 数字孪生, 深度学习">
 <link rel="stylesheet" href="/static/css/style.css">
 <link rel="icon" href="/static/img/logo.svg" type="image/svg+xml">
+<script src="/static/js/nav.js"></script>
 </head>
 <body>
 
 <header class="site-header">
   <div class="container header-inner">
     <a class="brand" href="/">
-      <img src="/static/img/logo.svg" alt="Easy Data Collector">
-      <span class="brand-name">Easy Data Collector</span>
+      <img src="/static/img/logo.svg" alt="Easy Data Collection">
+      <span class="brand-name">Easy Data Collection</span>
     </a>
     <nav class="main-nav" id="mainNav">
-      <a href="/">博客</a>
-      <a href="/reslib/">ResLib</a>
-      <a href="/reslib/apply">申请 License</a>
-      <a href="/reslib/status">查询 / 下载</a>
-      <a href="/reslib/package">资源包获取</a>
-      <a href="/neural/">Neural Research</a>
-      <a href="http://124.220.63.9:25000">Research Digest</a>
+      <div class="nav-item has-dropdown">
+        <a class="nav-link" href="/research/">前沿技术研究</a>
+        <button class="nav-caret" type="button" aria-label="展开前沿技术研究">▾</button>
+        <div class="dropdown">
+          <a href="http://124.220.63.9:25000">Research Digest</a>
+          <a href="/research/neural/">Neural Research</a>
+          <a href="/research/reslib/">ResLib</a>
+        </div>
+      </div>
+      <div class="nav-item has-dropdown">
+        <a class="nav-link" href="/tools/">工具开发</a>
+        <button class="nav-caret" type="button" aria-label="展开工具开发">▾</button>
+        <div class="dropdown">
+          <a href="/tools/sequence-diagram/">Sequence-Diagram</a>
+          <a href="/tools/uni-viewer/">Uni-Viewer</a>
+          <a href="/tools/engineer-craft/">Engineer Craft</a>
+          <a href="/tools/five-phases-observer/">The Five Phases Observer</a>
+          <a href="/tools/unitouch/">UniTouch Interface</a>
+          <a href="/tools/edc-lite-erp/">EDC Lite ERP</a>
+        </div>
+      </div>
+      <a class="nav-link" href="/resources/">资源中心</a>
+      <div class="nav-item has-dropdown">
+        <a class="nav-link" href="/license/">License</a>
+        <button class="nav-caret" type="button" aria-label="展开License">▾</button>
+        <div class="dropdown">
+          <a href="/license/apply">申请 License</a>
+          <a href="/license/status">查询 / 下载</a>
+          <a href="/license/package">资源包获取</a>
+        </div>
+      </div>
+      <a class="nav-link active" href="/blog/">博客</a>
     </nav>
     <button class="nav-toggle" id="navToggle" aria-label="菜单">☰</button>
   </div>
@@ -33,7 +59,7 @@
 <main>
   <section class="section">
     <div class="container narrow">
-      <nav class="breadcrumb"><a href="/">博客</a> / <a href="/blog/">文章列表</a></nav>
+      <nav class="breadcrumb"><a href="/">首页</a> / <a href="/blog/">博客</a></nav>
       <h2 class="section-title">博客开张</h2>
       <div class="post-meta"><span class="post-date">2026年08月13日</span><span class="tag">公告</span><span class="tag">ResLib</span><span class="tag">数字孪生</span></div>
       <article class="article">
@@ -53,11 +79,19 @@
 
 <footer class="site-footer">
   <div class="container footer-inner">
-    <span>Copyright &copy; 2026 Easy Data Collector. All rights reserved.</span>
-    <span><a href="/links.html">内部资源</a> · <a href="/admin">管理页面</a> · <a href="https://beian.miit.gov.cn/" target="_blank" rel="noopener">苏ICP备2026056863号</a></span>
+    <div class="footer-brand">
+      <img src="/static/img/logo.svg" alt="">
+      <span>Easy Data Collection</span>
+    </div>
+    <span>Copyright &copy; 2026 Easy Data Collection. All rights reserved.</span>
+    <span class="footer-links">
+      <a href="/resources/">资源中心</a><span class="sep">·</span>
+      <a href="/license/">License</a><span class="sep">·</span>
+      <a href="/admin">管理页面</a><span class="sep">·</span>
+      <a href="https://beian.miit.gov.cn/" target="_blank" rel="noopener">苏ICP备2026056863号</a>
+    </span>
   </div>
 </footer>
 
-<script src="/static/js/nav.js"></script>
 </body>
 </html>