style(dashboard): apply proto2 surfaces

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

@@ -68,7 +68,7 @@ export default function EmployeesPage() {
   }
 
   return (
-    <div className="space-y-6">
+    <div className="container mx-auto max-w-6xl px-4 py-8 space-y-8">
       <div className="flex items-center justify-between">
         <h1 className="text-2xl font-bold">员工管理</h1>
         <Button
@@ -83,7 +83,7 @@ export default function EmployeesPage() {
         </Button>
       </div>
 
-      <Card>
+      <Card className="hover:shadow-[var(--shadow-card)]">
         <CardHeader>
           <div className="flex items-center justify-between">
             <CardTitle className="text-base">签约打手 ({shopPlayers.length})</CardTitle>