1.테마/컬러 수정

2. UI 텍스트 한국어 번역
3. SettingScreen(설정 페이지) -현재 페이지는 레이아웃만 완성되었으며, 토글 스위치 및 링크 연결 기능은 미완성 상태입니다.

lib/widgets/custom_header.dart

@@ -1,5 +1,10 @@
 import 'package:flutter/material.dart';
 
+final Color _mainBlueColor = const Color(0xFF0033CC);
+final Color _mainTextColor = const Color(0xFF1C1C1E);
+final Color _subTextColor = const Color(0xFF6A717B);
+final Color _pageBackgroundColor = const Color(0xFFF5F7F9);
+final Color _cardBackgroundColor = const Color(0xFFF0F2F5);
 class CustomHeader extends StatelessWidget {
   const CustomHeader({super.key});
 
@@ -8,24 +13,42 @@ class CustomHeader extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Container(
-        height: 60.0,
-        color: Theme.of(context).scaffoldBackgroundColor,
-        padding: const EdgeInsets.symmetric(horizontal: _uniformGap),
-        child: Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-            crossAxisAlignment: CrossAxisAlignment.center,
-            children: [
-              Row(children: [
-                Icon(Icons.settings_input_component, color: Colors.grey[400]),
-                const SizedBox(width: 12),
-                const Text('SMART HELMET SYSTEMS',
-                    style: TextStyle(
-                        fontSize: 15,
-                        fontWeight: FontWeight.bold,
-                        color: Colors.white))
-              ]),
-              Text('2025/09/26 - 10:44 AM',
-                  style: TextStyle(color: Colors.grey[400], fontSize: 11))
-            ]));
+      height: 50.0,
+      decoration: BoxDecoration(
+        color: Colors.white,
+        boxShadow: const [
+          BoxShadow(
+            color: Color.fromRGBO(0, 0, 0, 0.07),
+            offset: Offset(0, 4),
+            blurRadius: 6,
+            spreadRadius: 0,
+          ),
+        ],
+      ),
+      padding: const EdgeInsets.symmetric(horizontal: _uniformGap),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Row(children: [
+            Icon(Icons.settings_input_component, color: Colors.black),
+            const SizedBox(width: 10),
+            Text(
+              '스마트 헬멧',
+              style: TextStyle(
+                fontSize: 18,
+                fontWeight: FontWeight.w500,
+                color: _mainTextColor,
+                letterSpacing: 0.5,
+              ),
+            )
+          ]),
+          Text(
+            '2025/09/26 - 10:44 AM',
+            style: TextStyle(color: _subTextColor, fontSize: 11),
+          ),
+        ],
+      ),
+    );
   }
-}
+}