更新 DeepSeekChat 组件的导航链接至首页，并调整 deepSeekHome 组件的背景颜色和阴影样式，以提升视觉效果和用户体验

app/components/DeepSeekChat.tsx

@@ -1480,7 +1480,7 @@ function _Chat(props?: { onMessageSent?: () => void }) {
                       style={ { padding: 0, marginRight: 20 } }
                       icon={ <LeftIcon /> }
                       text={ Locale.NewChat.Return }
-                      onClick={ () => navigate( '/deepseekChat' ) }
+                      onClick={ () => navigate( '/' ) }
                   />
                 </div>
               </div>

app/components/deepSeekHome.scss

@@ -19,9 +19,9 @@
     overflow-y: hidden;
     box-sizing: border-box;
     background-color: blur(10px);
-    background: rgba(0, 20, 98, 0.658);
+    background: rgba(15, 23, 57, 0.596);
     padding: 0 16px;
-    box-shadow: 0 4px 26px rgba(0, 0, 0, 0.50);
+    box-shadow: 0 4px 26px rgba(0, 0, 0, 0.25);
 
     @media (max-width: 768px) {
       height: 45px;