R108/A1-A7 固化企业微信移动端视觉门禁

client/src/components/mobile/MobileBottomNav.tsx

@@ -33,7 +33,7 @@ export function MobileBottomNav() {
   const pendingCount = pendingCountQuery.data ?? 0;
 
   return (
-    <nav className="fixed inset-x-0 bottom-0 z-20 border-t border-zinc-200 bg-white/95 px-2 pb-[max(0.5rem,env(safe-area-inset-bottom))] pt-2 shadow-[0_-8px_24px_rgba(15,23,42,0.08)] backdrop-blur md:hidden">
+    <nav className="z-20 shrink-0 border-t border-zinc-200 bg-white/95 px-2 pb-[max(0.5rem,env(safe-area-inset-bottom))] pt-2 shadow-[0_-8px_24px_rgba(15,23,42,0.08)] backdrop-blur md:hidden">
       <div className="grid grid-cols-4 gap-2">
         {MOBILE_NAV_ITEMS.map((item) => {
           const disabled = item.anyOf ? !hasAnyPermission(permissions, [...item.anyOf]) : false;