登录流程已全部重构

lib/pages/home/widget/home_header.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+class HomeHeader extends StatelessWidget {
+  const HomeHeader({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: EdgeInsets.only(top: 30, bottom: 40),
+      child: Column(
+        children: [
+          Text(
+            "Food Safety Check",
+            style: Theme.of(context).textTheme.titleLarge,
+          ),
+          Container(
+            margin: EdgeInsets.only(top: 10),
+            child: Text(
+              "Upload a photo to check if this food is safe for you",
+              style: Theme.of(context).textTheme.labelMedium,
+              textAlign: TextAlign.center,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}