fix：登录退出页

lib/features/profile/profile_page.dart

@@ -55,7 +55,7 @@ class ProfilePage extends ConsumerWidget {
       children: [
         const PageHeader(title: '我的'),
         if (auth.loggedIn) ...[
-          const _LoggedInHeader(),
+          _LoggedInHeader(auth: auth),
           const SizedBox(height: YantingSpacing.x3),
           _StatsCard(
             favoriteCount: favoriteCount,
@@ -103,12 +103,7 @@ class ProfilePage extends ConsumerWidget {
           AppButton(
             label: '登录 / 注册',
             expand: true,
-            onPressed: () => showLoginSheet(
-              context,
-              reason: '登录后同步收藏、历史和听单',
-              onPhoneLogin: () => _login(ref, LoginMethod.phone),
-              onSecondaryLogin: () => _login(ref, LoginMethod.wechat),
-            ),
+            onPressed: () => context.push(AppRoutes.login),
           ),
         ],
         const SizedBox(height: 18),
@@ -177,18 +172,6 @@ class ProfilePage extends ConsumerWidget {
                 title: '退出登录',
                 onTap: () => ref.read(authControllerProvider.notifier).logout(),
               ),
-            _MenuRow(
-              icon: AppIcons.fileList,
-              title: '用户协议',
-              onTap: () =>
-                  _showOutbound(context, ref, 'user_agreement', '用户协议'),
-            ),
-            _MenuRow(
-              icon: AppIcons.shield,
-              title: '隐私政策',
-              onTap: () =>
-                  _showOutbound(context, ref, 'privacy_policy', '隐私政策'),
-            ),
           ],
         ),
         const SizedBox(height: YantingSpacing.x3),
@@ -337,24 +320,34 @@ class ProfilePage extends ConsumerWidget {
 }
 
 class _LoggedInHeader extends StatelessWidget {
-  const _LoggedInHeader();
+  const _LoggedInHeader({required this.auth});
+
+  final AuthState auth;
 
   @override
   Widget build(BuildContext context) {
+    final colors = ShadTheme.of(context).colorScheme;
+    final phone = auth.phone;
+    final methodLabel = switch (auth.loginMethod) {
+      LoginMethod.phone => '手机号',
+      LoginMethod.wechat => '微信',
+      LoginMethod.apple => 'Apple',
+      _ => '本地登录',
+    };
     return AppCard(
-      color: const Color(0xFF133D00),
-      borderColor: const Color(0xFF133D00),
+      color: colors.brandSoft,
+      borderColor: colors.brandSoftBorder,
       padding: const EdgeInsets.symmetric(horizontal: 28, vertical: 30),
       child: Row(
         children: [
           CircleAvatar(
             radius: 34,
-            backgroundColor: const Color(0xFF385E26),
-            foregroundColor: YantingColors.primary,
+            backgroundColor: colors.background,
+            foregroundColor: colors.primary,
             child: Text(
-              '研',
+              phone == null || phone.isEmpty ? '研' : phone.characters.first,
               style: YantingText.sectionTitle.copyWith(
-                color: YantingColors.primary,
+                color: colors.primary,
                 fontSize: 27,
               ),
             ),
@@ -365,17 +358,17 @@ class _LoggedInHeader extends StatelessWidget {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  '研界用户',
+                  phone == null || phone.isEmpty ? '研界用户' : '手机号用户',
                   style: YantingText.sectionTitle.copyWith(
-                    color: Colors.white,
+                    color: colors.foreground,
                     fontSize: 22,
                   ),
                 ),
                 const SizedBox(height: 4),
                 Text(
-                  '已登录 · 手机号',
+                  '已登录 · $methodLabel${phone == null || phone.isEmpty ? '' : ' · ${_maskPhone(phone)}'}',
                   style: YantingText.body.copyWith(
-                    color: Colors.white.withValues(alpha: 0.75),
+                    color: colors.mutedForeground,
                     fontSize: 15,
                   ),
                 ),
@@ -388,6 +381,11 @@ class _LoggedInHeader extends StatelessWidget {
   }
 }
 
+String _maskPhone(String phone) {
+  if (phone.length < 7) return phone;
+  return '${phone.substring(0, 3)}****${phone.substring(phone.length - 4)}';
+}
+
 class _StatsCard extends StatelessWidget {
   const _StatsCard({
     required this.favoriteCount,