上传完整的WebUI前端仓库

dashboard/src/routes/404.tsx

@@ -0,0 +1,61 @@
+import { useNavigate } from '@tanstack/react-router'
+import { Home, Search, ArrowLeft } from 'lucide-react'
+import { Button } from '@/components/ui/button'
+
+export function NotFoundPage() {
+  const navigate = useNavigate()
+
+  return (
+    <div className="flex min-h-screen items-center justify-center bg-background p-4">
+      <div className="w-full max-w-2xl text-center">
+        {/* 404 大标题 */}
+        <div className="relative mb-8">
+          <h1 className="text-[150px] font-black leading-none text-primary/10 select-none sm:text-[200px]">
+            404
+          </h1>
+          <div className="absolute inset-0 flex items-center justify-center">
+            <Search className="h-20 w-20 text-primary/30 sm:h-24 sm:w-24" />
+          </div>
+        </div>
+
+        {/* 错误信息 */}
+        <div className="space-y-4 mb-8">
+          <h2 className="text-2xl font-bold text-foreground sm:text-3xl">
+            页面未找到
+          </h2>
+          <p className="text-base text-muted-foreground sm:text-lg max-w-md mx-auto">
+            抱歉，您访问的页面不存在或已被移除。请检查 URL 是否正确，或返回首页继续浏览。
+          </p>
+        </div>
+
+        {/* 操作按钮 */}
+        <div className="flex flex-col sm:flex-row items-center justify-center gap-4">
+          <Button
+            size="lg"
+            onClick={() => navigate({ to: '/' })}
+            className="gap-2 w-full sm:w-auto"
+          >
+            <Home className="h-4 w-4" />
+            返回首页
+          </Button>
+          <Button
+            size="lg"
+            variant="outline"
+            onClick={() => window.history.back()}
+            className="gap-2 w-full sm:w-auto"
+          >
+            <ArrowLeft className="h-4 w-4" />
+            返回上一页
+          </Button>
+        </div>
+
+        {/* 提示信息 */}
+        <div className="mt-12 pt-8 border-t border-border">
+          <p className="text-sm text-muted-foreground">
+            如果您认为这是一个错误，请联系系统管理员
+          </p>
+        </div>
+      </div>
+    </div>
+  )
+}