第一次提交

lib/models/class_destination_item.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class DestinationItem {
+  final String label;
+  final IconData icon;
+  final Widget child;
+  final String? title; // 可选标题
+
+  const DestinationItem({
+    required this.label,
+    required this.icon,
+    required this.child,
+    this.title,
+  });
+}