style(dashboard): apply proto2 surfaces

app/(dashboard)/dashboard/shop/templates/page.tsx

@@ -122,7 +122,7 @@ function ShopTemplatesEditor({
   }
 
   return (
-    <div className="space-y-6">
+    <div className="container mx-auto max-w-4xl px-4 py-8 space-y-8">
       {showSavedToast ? (
         <div className="fixed right-6 top-6 z-50 rounded-md border bg-background px-4 py-2 text-sm shadow-md">
           模板已保存
@@ -141,7 +141,7 @@ function ShopTemplatesEditor({
         </div>
       </div>
 
-      <Card>
+      <Card className="hover:shadow-[var(--shadow-card)]">
         <CardHeader>
           <CardTitle className="text-base">页面组件</CardTitle>
         </CardHeader>
@@ -184,7 +184,7 @@ function ShopTemplatesEditor({
         </CardContent>
       </Card>
 
-      <Card>
+      <Card className="hover:shadow-[var(--shadow-card)]">
         <CardHeader>
           <CardTitle className="text-base">提示</CardTitle>
         </CardHeader>