feat(ui): unify content shell layout

app/(order)/orders/page.tsx

@@ -75,7 +75,7 @@ export default function OrderListPage() {
 
   if (currentRole === "owner" && shopLoading) {
     return (
-      <div className="container mx-auto max-w-3xl px-4 py-8">
+      <div className="container mx-auto max-w-2xl px-4 py-8">
         <EmptyState title="加载中" description="正在读取店铺订单视角..." icon={RefreshCw} />
       </div>
     )
@@ -83,7 +83,7 @@ export default function OrderListPage() {
 
   if (currentRole === "owner" && shopError) {
     return (
-      <div className="container mx-auto max-w-3xl px-4 py-8">
+      <div className="container mx-auto max-w-2xl px-4 py-8">
         <EmptyState title="无法读取订单" description={shopError} icon={ClipboardList} />
       </div>
     )
@@ -175,7 +175,7 @@ function OrderListContent({
   })
 
   return (
-    <div className="container mx-auto max-w-3xl px-4 py-8 space-y-6">
+    <div className="container mx-auto max-w-2xl px-4 py-8 space-y-6">
       <div className="flex items-center justify-between">
         <h1 className="text-2xl font-bold">我的订单</h1>
         <Badge variant="outline" className="text-xs">
@@ -216,7 +216,7 @@ function OrderListContent({
               filtered.map((order) => (
                 <Card key={order.id} className="border-border/80 shadow-sm">
                   <CardHeader className="pb-3">
-                    <div className="flex items-center justify-between">
+                    <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
                       <CardTitle className="text-base">{order.service.title}</CardTitle>
                       <StatusBadge
                         status={statusVariants[order.status]}