feat: replace detail page with play page

src/components/PageLayout.tsx

@@ -14,7 +14,9 @@ const PageLayout = ({ children, activePath = '/' }: PageLayoutProps) => {
   return (
     <div className='w-full min-h-screen'>
       {/* 移动端头部 */}
-      <MobileHeader showBackButton={activePath === '/play'} />
+      <MobileHeader
+        showBackButton={['/play', '/aggregate'].includes(activePath)}
+      />
 
       {/* 主要布局容器 */}
       <div className='flex md:grid md:grid-cols-[auto_1fr] w-full min-h-screen md:min-h-auto'>
@@ -26,9 +28,11 @@ const PageLayout = ({ children, activePath = '/' }: PageLayoutProps) => {
         {/* 主内容区域 */}
         <div className='relative min-w-0 flex-1 transition-all duration-300'>
           {/* 桌面端左上角返回按钮 */}
-          <div className='absolute top-3 left-1 z-20 hidden md:flex'>
-            <BackButton />
-          </div>
+          {['/play', '/aggregate'].includes(activePath) && (
+            <div className='absolute top-3 left-1 z-20 hidden md:flex'>
+              <BackButton />
+            </div>
+          )}
 
           {/* 桌面端顶部按钮 */}
           <div className='absolute top-2 right-4 z-20 hidden md:flex items-center gap-2'>