修复了登录页面还存在顶部导航栏的问题

crop-x/src/app/(app)/farming-operation/layout.tsx

@@ -0,0 +1,22 @@
+import { ReactNode } from 'react'
+
+export default function FarmingOperationLayout({
+  children,
+}: {
+  children: ReactNode
+}) {
+  return (
+    <div className="min-h-screen bg-gray-50">
+      <header className="bg-white shadow-sm border-b">
+        <div className="container mx-auto px-4 py-4">
+          <h1 className="text-2xl font-bold text-green-900">
+            📋 农事操作管理系统
+          </h1>
+        </div>
+      </header>
+      <main className="container mx-auto px-4 py-8">
+        {children}
+      </main>
+    </div>
+  )
+}