1

app/lib/screens/feed/widgets/feed_video_page.dart

@@ -4,6 +4,7 @@ import 'package:go_router/go_router.dart';
 import 'package:share_plus/share_plus.dart';
 
 import '../../../core/media/download_manager.dart';
+import '../../../core/network/api_exception.dart';
 import '../../../core/player/feed_player_pool.dart';
 import '../../../core/theme/app_theme.dart';
 import '../../../models/video_item.dart';
@@ -54,6 +55,15 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
 
   static const _rates = [1.0, 1.5, 2.0, 3.0];
 
+  /// 站点管理员邮箱（长按弹窗显示「下架视频」）
+  static const String _kSiteAdminEmail = '256kb@gmail.com';
+
+  bool get _isSiteAdmin {
+    final u = ref.read(authProvider).user;
+    return u != null &&
+        (u.email ?? '').toLowerCase() == _kSiteAdminEmail;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -70,6 +80,8 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
       _seriesData != null && (_seriesData!['has_series'] as bool? ?? false);
 
   String get _seriesTitle => _seriesData?['series']?['title'] as String? ?? '';
+  String get _seriesSourceName =>
+      _seriesData?['series']?['source_name'] as String? ?? '';
 
   List<dynamic> get _episodes => (_seriesData?['episodes'] as List?) ?? const [];
 
@@ -197,6 +209,21 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
               },
             ),
 
+            // 下架视频：仅站点管理员可见（按 email 判定）
+            if (_isSiteAdmin)
+              ListTile(
+                contentPadding: EdgeInsets.zero,
+                leading: const Icon(Icons.remove_circle_outline,
+                    color: Colors.redAccent),
+                title: const Text('下架视频',
+                    style: TextStyle(color: Colors.redAccent)),
+                subtitle: const Text('从首页/搜索/分类/系列移除该视频'),
+                onTap: () {
+                  Navigator.of(sheetContext).pop();
+                  _confirmOffline();
+                },
+              ),
+
             // 下载（已下载/下载中置灰）
             Builder(builder: (_) {
               final dm = ref.read(downloadManagerProvider);
@@ -237,6 +264,44 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
     await Share.share(text, subject: widget.item.title);
   }
 
+  // ---------- 下架（管理员） ----------
+
+  Future<void> _confirmOffline() async {
+    final targetId = widget.item.videoId;
+    final title = widget.item.title;
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: const Text('下架该视频？'),
+        content: Text(
+          '《$title》\n\n下架后将立刻从首页、搜索、分类、系列列表中移除，可在后台恢复。',
+          maxLines: 5, overflow: TextOverflow.ellipsis,
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(false),
+            child: const Text('取消'),
+          ),
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(true),
+            style: TextButton.styleFrom(foregroundColor: Colors.redAccent),
+            child: const Text('下架'),
+          ),
+        ],
+      ),
+    );
+    if (confirmed != true || !mounted) return;
+
+    try {
+      await VideoService.offlineVideo(targetId);
+      if (!mounted) return;
+      showTopToast(context, '已下架');
+    } catch (e) {
+      if (!mounted) return;
+      showTopToast(context, e is ApiException ? e.message : '下架失败，请重试');
+    }
+  }
+
   void _showSeriesSheet() {
     showModalBottomSheet<void>(
       context: context,
@@ -278,10 +343,32 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
                           maxLines: 1, overflow: TextOverflow.ellipsis,
                         ),
                         const SizedBox(height: 2),
-                        Text(
-                          '共 ${_episodes.length} 集',
-                          style: TextStyle(
-                              fontSize: 12, color: Colors.grey[600]),
+                        Row(
+                          children: [
+                            if (_seriesSourceName.isNotEmpty) ...[
+                              Container(
+                                padding: const EdgeInsets.symmetric(
+                                    horizontal: 5, vertical: 1),
+                                decoration: BoxDecoration(
+                                  color: AppColors.primary.withValues(alpha: 0.12),
+                                  borderRadius: BorderRadius.circular(3),
+                                ),
+                                child: Text(
+                                  _seriesSourceName,
+                                  style: const TextStyle(
+                                      fontSize: 10,
+                                      color: AppColors.primary,
+                                      fontWeight: FontWeight.w600),
+                                ),
+                              ),
+                              const SizedBox(width: 6),
+                            ],
+                            Text(
+                              '共 ${_episodes.length} 集',
+                              style: TextStyle(
+                                  fontSize: 12, color: Colors.grey[600]),
+                            ),
+                          ],
                         ),
                       ],
                     ),