Update index.html

Author: lhmd

zh-CN/index.html

@@ -39,8 +39,8 @@
       <h1 class="hero-project">World-R1</h1>
       <p class="hero-title">强化 3D 约束的文本到视频生成</p>
       <div class="hero-actions">
-        <a class="action primary placeholder-action" href="#" aria-disabled="true">PDF</a>
-        <a class="action ghost" href="tech.html">技术细节</a>
+        <a class="action primary placeholder-action" href="#" aria-disabled="true">技术报告</a>
+        <a class="action ghost" href="tech.html">技术博客</a>
         <a class="action ghost" href="https://github.com/microsoft/World-R1" target="_blank" rel="noopener noreferrer">GitHub</a>
       </div>
     </div>