Remove publications nav highlight

Author: Mingyue-Cheng

papers/index.html

@@ -288,7 +288,7 @@
   <div class="container">
     <a class="nav-brand" href="../index.html#hero-header">USTC-AGI <span>Agentic AI</span></a>
     <div class="nav-links">
-      <a href="../index.html#hero-header" class="nav-primary">首页</a>
+      <a href="../index.html#hero-header">首页</a>
       <a href="../index.html#research-tracks">研究方向</a>
       <a href="../papers/">论文发表</a>
       <a href="../index.html#application-systems">应用系统</a>