style: 统一全站深色视觉

lib/pages/drama_detail/widgets/drama_detail_header.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import '../../../core/data/models/drama.dart';
 import '../../../core/formatting/localized_content.dart';
 import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_theme.dart';
 import '../../../core/widgets/remote_image.dart';
 import '../../../core/widgets/subpage_header.dart';
 import '../../../l10n/app_localizations.dart';
@@ -53,13 +54,7 @@ class DramaDetailHeader extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       key: const Key('detail-hero'),
-      decoration: const BoxDecoration(
-        gradient: LinearGradient(
-          begin: Alignment.topCenter,
-          end: Alignment.bottomCenter,
-          colors: [AppColors.surfaceTop, AppColors.ink],
-        ),
-      ),
+      decoration: const BoxDecoration(gradient: AppTheme.pageGradient),
       child: SafeArea(
         bottom: false,
         child: Padding(

lib/pages/drama_detail/widgets/drama_detail_sections.dart

@@ -5,12 +5,13 @@ import 'package:flutter/material.dart';
 import '../../../core/data/models/drama.dart';
 import '../../../core/formatting/count_format.dart';
 import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_dimens.dart';
 import '../../../l10n/app_localizations.dart';
 
 const double _horizontal = 14;
 const double _sectionTop = 16;
 const double _statsVertical = 12;
-const double _statsRadius = 14;
+const double _statsRadius = AppDimens.cardRadius;
 const double _dividerHeight = 28;
 const int _synopsisLines = 3;
 const int _gridColumns = 6;
@@ -63,6 +64,7 @@ class DramaStatsCard extends StatelessWidget {
       decoration: BoxDecoration(
         color: AppColors.card,
         borderRadius: BorderRadius.circular(_statsRadius),
+        border: Border.all(color: AppColors.border),
       ),
       child: Row(
         children: [

lib/pages/drama_detail/widgets/drama_episode_states.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 
 import '../../../core/formatting/error_text.dart';
 import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_dimens.dart';
 import '../../../l10n/app_localizations.dart';
 
 const int _skeletonCount = 6;
@@ -138,7 +139,8 @@ class DramaEpisodesLoadError extends StatelessWidget {
             padding: const EdgeInsets.all(16),
             decoration: BoxDecoration(
               color: AppColors.card,
-              borderRadius: BorderRadius.circular(14),
+              borderRadius: BorderRadius.circular(AppDimens.cardRadius),
+              border: Border.all(color: AppColors.border),
             ),
             child: Column(
               children: [