fix(flutter): 统一详情页顶部圆形按钮

lib/core/widgets/subpage_header.dart

@@ -21,27 +21,31 @@ const Color _darkBackground = Color(0x59000000);
 const Color _darkShadowColor = Color(0x33000000);
 const Offset _lightShadowOffset = Offset(0, 2);
 
-/// 二级页面统一返回按钮，浅色页使用白底描边，深色页使用半透明黑底。
-class AppSubpageBackButton extends StatelessWidget {
-  const AppSubpageBackButton({
+/// 二级页面统一圆形操作按钮，返回、分享和更多共用同一尺寸与表面样式。
+class AppSubpageCircleButton extends StatelessWidget {
+  const AppSubpageCircleButton({
     super.key,
-    required this.backKey,
+    required this.buttonKey,
+    required this.tooltip,
+    required this.icon,
+    required this.onPressed,
     this.dark = false,
-    this.onBack,
   });
 
-  final Key backKey;
+  final Key buttonKey;
+  final String tooltip;
+  final IconData icon;
+  final VoidCallback onPressed;
   final bool dark;
-  final VoidCallback? onBack;
 
   @override
   Widget build(BuildContext context) {
     return SizedBox(
-      key: backKey,
+      key: buttonKey,
       width: _backSize,
       height: _backSize,
       child: Tooltip(
-        message: MaterialLocalizations.of(context).backButtonTooltip,
+        message: tooltip,
         child: DecoratedBox(
           key: const Key('subpage-back-shadow'),
           decoration: BoxDecoration(
@@ -67,10 +71,10 @@ class AppSubpageBackButton extends StatelessWidget {
             clipBehavior: Clip.antiAlias,
             child: InkWell(
               customBorder: const CircleBorder(),
-              onTap: onBack ?? () => Navigator.of(context).maybePop(),
+              onTap: onPressed,
               child: Center(
                 child: Icon(
-                  Icons.chevron_left_rounded,
+                  icon,
                   color: dark ? Colors.white : AppColors.onSurface,
                   size: _iconSize,
                   weight: _iconWeight,
@@ -84,6 +88,31 @@ class AppSubpageBackButton extends StatelessWidget {
   }
 }
 
+/// 二级页面统一返回按钮，浅色页使用白底描边，深色页使用半透明黑底。
+class AppSubpageBackButton extends StatelessWidget {
+  const AppSubpageBackButton({
+    super.key,
+    required this.backKey,
+    this.dark = false,
+    this.onBack,
+  });
+
+  final Key backKey;
+  final bool dark;
+  final VoidCallback? onBack;
+
+  @override
+  Widget build(BuildContext context) {
+    return AppSubpageCircleButton(
+      buttonKey: backKey,
+      tooltip: MaterialLocalizations.of(context).backButtonTooltip,
+      icon: Icons.chevron_left_rounded,
+      dark: dark,
+      onPressed: onBack ?? () => Navigator.of(context).maybePop(),
+    );
+  }
+}
+
 /// 二级页面统一页头：返回按钮、左对齐标题、可选副标题与右侧操作。
 class AppSubpageHeader extends StatelessWidget {
   const AppSubpageHeader({

lib/pages/drama_detail/drama_detail_view.dart

@@ -34,8 +34,10 @@ const String _menuDownload = 'download';
 const String _menuShare = 'share';
 const String _menuReport = 'report';
 const int _maxTags = 4;
-const double _moreSize = 36;
-const double _moreIconSize = 18;
+const double _stateHeaderHeight = 52;
+const double _stateHeaderHorizontal = 14;
+const double _stateTitleGap = 12;
+const double _stateTitleSize = 18;
 
 final RegExp _tagSplitter = RegExp(r'[,/、·]');
 
@@ -189,7 +191,35 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
     body: SafeArea(
       child: Column(
         children: [
-          AppSubpageHeader(title: title, backKey: const Key('detail-back')),
+          SizedBox(
+            height: _stateHeaderHeight,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(
+                horizontal: _stateHeaderHorizontal,
+              ),
+              child: Row(
+                children: [
+                  const AppSubpageBackButton(
+                    backKey: Key('detail-back'),
+                    dark: true,
+                  ),
+                  const SizedBox(width: _stateTitleGap),
+                  Expanded(
+                    child: Text(
+                      title,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: const TextStyle(
+                        color: AppColors.onSurface,
+                        fontSize: _stateTitleSize,
+                        fontWeight: FontWeight.w800,
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
           Expanded(child: child),
         ],
       ),
@@ -285,17 +315,13 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
           ),
         ),
       ],
-      child: Container(
-        width: _moreSize,
-        height: _moreSize,
-        decoration: const BoxDecoration(
-          color: AppColors.card,
-          shape: BoxShape.circle,
-        ),
-        child: const Icon(
-          Icons.more_horiz_rounded,
-          size: _moreIconSize,
-          color: AppColors.onSurface,
+      child: IgnorePointer(
+        child: AppSubpageCircleButton(
+          buttonKey: const Key('detail-more-visual'),
+          tooltip: l10n.more,
+          icon: Icons.more_horiz_rounded,
+          dark: true,
+          onPressed: () {},
         ),
       ),
     );

lib/pages/drama_detail/widgets/drama_detail_header.dart

@@ -18,8 +18,6 @@ const double _infoGap = 14;
 const double _favoriteHeight = 34;
 const double _favoriteRadius = 17;
 const double _favoriteHorizontal = 12;
-const double _circleSize = 36;
-const double _iconSize = 18;
 
 /// 详情页顶部操作与短剧主信息所需的交互回调。
 class DramaDetailHeaderActions {
@@ -87,10 +85,11 @@ class DramaDetailHeader extends StatelessWidget {
           onBack: actions.onBack,
         ),
         const Spacer(),
-        _CircleAction(
-          actionKey: const Key('detail-share'),
+        AppSubpageCircleButton(
+          buttonKey: const Key('detail-share'),
           tooltip: l10n.share,
           icon: Icons.share_outlined,
+          dark: true,
           onPressed: actions.onShare,
         ),
         const SizedBox(width: 8),
@@ -201,36 +200,3 @@ class DramaDetailHeader extends StatelessWidget {
     );
   }
 }
-
-class _CircleAction extends StatelessWidget {
-  const _CircleAction({
-    required this.actionKey,
-    required this.tooltip,
-    required this.icon,
-    required this.onPressed,
-  });
-
-  final Key actionKey;
-  final String tooltip;
-  final IconData icon;
-  final VoidCallback onPressed;
-
-  @override
-  Widget build(BuildContext context) {
-    return Container(
-      key: actionKey,
-      width: _circleSize,
-      height: _circleSize,
-      decoration: const BoxDecoration(
-        color: AppColors.card,
-        shape: BoxShape.circle,
-      ),
-      child: IconButton(
-        tooltip: tooltip,
-        onPressed: onPressed,
-        padding: EdgeInsets.zero,
-        icon: Icon(icon, size: _iconSize, color: AppColors.onSurface),
-      ),
-    );
-  }
-}