feat: add software download center

index.html

@@ -33,9 +33,21 @@
           </svg>
           连接状态
         </a>
+        <a href="software.html">
+          <svg class="nav-icon" aria-hidden="true" viewBox="0 0 24 24">
+            <path d="M12 3v12"></path>
+            <path d="m7 10 5 5 5-5"></path>
+            <path d="M5 21h14"></path>
+          </svg>
+          软件下载
+        </a>
       </nav>
 
       <div class="header-actions">
+        <a class="quick-link software" href="software.html">
+          <img src="assets/icons/software.svg" alt="" aria-hidden="true" />
+          软件中心
+        </a>
         <a class="quick-link gemini" href="https://gemini.google.com/app" target="_blank" rel="noreferrer">
           <img src="assets/icons/gemini.svg" alt="" aria-hidden="true" />
           Gemini ↗
@@ -166,6 +178,13 @@
             <span class="service-desc">开发平台</span>
             <span class="arrow-button">→</span>
           </a>
+
+          <a class="service-card card-software" href="software.html" aria-label="进入软件下载中心">
+            <span class="service-icon"><img src="assets/icons/software.svg" alt="" aria-hidden="true" /></span>
+            <span class="service-title">软件下载</span>
+            <span class="service-desc">上传、版本更新与下载分发</span>
+            <span class="arrow-button">→</span>
+          </a>
         </div>
       </section>
     </main>