feat: 实现二维码高级渲染功能,支持自定义颜色、形状和 Logo 嵌入

src/pages/Search.tsx

@@ -69,9 +69,9 @@ export function Search() {
   }, []);
 
   return (
-    <div className="min-h-screen bg-background">
+    <div className="flex flex-col h-screen bg-background overflow-hidden">
       {/* 顶部导航栏 */}
-      <header className="border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60 sticky top-0 z-50">
+      <header className="border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60 flex-shrink-0">
         <div className="container mx-auto px-4 py-4">
           <div className="flex items-center gap-3 mb-4">
             <Button
@@ -100,7 +100,7 @@ export function Search() {
       </header>
 
       {/* 主内容区 */}
-      <main className="container mx-auto px-4 py-6">
+      <main className="flex-1 container mx-auto px-4 py-6 overflow-y-auto">
         {/* 结果统计 */}
         <div className="mb-4">
           <p className="text-sm text-muted-foreground">