fix: refine settings dialog layout

modules/settings/components/RoleManagementClient.tsx

@@ -204,7 +204,7 @@ export function RoleManagementClient({ permissions }: RoleManagementClientProps)
         新增角色
       </Button>
       <Dialog
-        className="max-w-5xl"
+        className="w-[min(calc(100vw-1.5rem),64rem)]"
         description="角色由系统注册权限点组合而成。"
         onClose={closeCreateDialog}
         open={isCreateOpen}
@@ -345,7 +345,7 @@ export function RoleRowActions({ permissions, role }: RoleRowActionsProps): Reac
         </Button>
       )}
       <Dialog
-        className="max-w-5xl"
+        className="w-[min(calc(100vw-1.5rem),64rem)]"
         description="编辑自定义角色的名称、说明、状态和权限点。"
         onClose={closeEditDialog}
         open={isEditOpen}