优化HTML文件命名：改为更清晰的拼音命名

- 将 canjiren.html 改为 yongren.html (用人方)
- 将 renfang.html 改为 rencai.html (人才)
- 更新首页中的链接引用

新的命名更直观易懂，避免混淆

🤖 Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

index.html

@@ -52,12 +52,12 @@
     </div>
 
     <div class="link-container">
-        <a href="/renfang.html" class="link-card">
+        <a href="/rencai.html" class="link-card">
             <div class="link-title">人才小程序</div>
             <div class="link-description">访问人才小程序页面</div>
         </a>
 
-        <a href="/canjiren.html" class="link-card">
+        <a href="/yongren.html" class="link-card">
             <div class="link-title">用人方小程序</div>
             <div class="link-description">访问用人方小程序页面</div>
         </a>