fix(pc-detail-responsive-approval-polish): 协调详情断点并收敛审批展示

client/src/layouts/AppShellLayout.tsx

@@ -66,7 +66,7 @@ export function AppShellLayout() {
       {isMobileRoute ? null : <Sidebar />}
 
       <main
-        className={`app-shell-main flex min-w-0 flex-1 flex-col ${isMobileRoute ? "hyb-mobile-shell overflow-hidden" : "lg:ml-72"}`}
+        className={`app-shell-main flex min-w-0 flex-1 flex-col ${isMobileRoute ? "hyb-mobile-shell overflow-hidden" : "xl:ml-72"}`}
         style={isMobileRoute ? { height: "var(--mobile-viewport-height, 100vh)", maxHeight: "var(--mobile-viewport-height, 100vh)", minHeight: "var(--mobile-viewport-height, 100vh)" } : undefined}
       >
         {isMobileRoute ? null : <Topbar />}