style(ui): 统一页面字号间距与状态样式

lib/pages/account/account_profile_page.dart

@@ -11,6 +11,7 @@ import '../../core/data/services/auth_controller.dart';
 import '../../core/formatting/error_text.dart';
 import '../../core/formatting/localized_date_time.dart';
 import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/empty_state.dart';
@@ -79,12 +80,15 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
           foregroundColor: AppColors.onPrimary,
           title: Text(l10n.accountProfile),
         ),
-        body: signedIn
-            ? ListenableBuilder(
-                listenable: _logic,
-                builder: (context, _) => _body(l10n),
-              )
-            : const AuthGatePanel(),
+        body: SafeArea(
+          top: false,
+          child: signedIn
+              ? ListenableBuilder(
+                  listenable: _logic,
+                  builder: (context, _) => _body(l10n),
+                )
+              : const AuthGatePanel(),
+        ),
       ),
     );
   }
@@ -139,14 +143,17 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
               Text(
                 profile.nickname,
                 style: const TextStyle(
-                  fontSize: 20,
+                  fontSize: AppDimens.pageTitle,
                   fontWeight: FontWeight.w700,
                 ),
               ),
               const SizedBox(height: 4),
               Text(
                 '${l10n.accountUid}: ${profile.uid}',
-                style: const TextStyle(color: AppColors.muted, fontSize: 12),
+                style: const TextStyle(
+                  color: AppColors.muted,
+                  fontSize: AppDimens.caption,
+                ),
               ),
             ],
           ),
@@ -211,7 +218,10 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
       const SizedBox(height: 6),
       Text(
         l10n.accountBirthdayHint,
-        style: const TextStyle(color: AppColors.muted, fontSize: 12),
+        style: const TextStyle(
+          color: AppColors.muted,
+          fontSize: AppDimens.caption,
+        ),
       ),
     ],
   );
@@ -222,7 +232,7 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
       errorText(l10n, _logic.error, l10n.accountProfileSaveFailed),
       style: TextStyle(
         color: Theme.of(context).colorScheme.error,
-        fontSize: 12,
+        fontSize: AppDimens.caption,
       ),
     ),
   );
@@ -250,7 +260,10 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
         children: [
           Text(
             l10n.accountReadOnlyInfo,
-            style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w700),
+            style: const TextStyle(
+              fontSize: AppDimens.listTitle,
+              fontWeight: FontWeight.w700,
+            ),
           ),
           const SizedBox(height: 10),
           _info(l10n.accountMaskedAccount, profile.maskedTarget),
@@ -283,14 +296,17 @@ class _AccountProfilePageState extends State<AccountProfilePage> {
         Expanded(
           child: Text(
             label,
-            style: const TextStyle(color: AppColors.muted, fontSize: 12),
+            style: const TextStyle(
+              color: AppColors.muted,
+              fontSize: AppDimens.caption,
+            ),
           ),
         ),
         Flexible(
           child: Text(
             value.isEmpty ? '-' : value,
             textAlign: TextAlign.right,
-            style: const TextStyle(fontSize: 13),
+            style: const TextStyle(fontSize: AppDimens.body),
           ),
         ),
       ],
@@ -337,10 +353,10 @@ class _AccountCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) => Container(
-    padding: const EdgeInsets.all(16),
+    padding: const EdgeInsets.all(AppDimens.cardPadding),
     decoration: BoxDecoration(
       color: AppColors.card,
-      borderRadius: BorderRadius.circular(16),
+      borderRadius: BorderRadius.circular(AppDimens.cardRadius),
       border: Border.all(color: AppColors.outlineVariantDark),
     ),
     child: child,