style(home): 观看全集按钮轮廓进一步压淡

lib/core/theme/app_colors.dart

@@ -30,6 +30,12 @@ abstract final class AppColors {
   /// 首页及剧集播放页视频信息文案：参考设计图的 65% 半透明白。
   static const homeFeedVideoCopy = Color(0xA6FFFFFF);
 
+  /// 首页观看全集按钮：与浮层玻璃语言一致的半透明白表面。
+  static const watchAllSurface = Color(0x26FFFFFF);
+
+  /// 观看全集按钮的极淡白色轮廓。
+  static const watchAllBorder = Color(0x0FFFFFFF);
+
   /// 主操作、选中态、播放进度。旧品牌橙已全量映射为品牌红（2026-10 改版）。
   static const blue = Color(0xFFF04E4E);
   static const primary = blue;

lib/pages/player/widgets/home_feed_recommend_panel.dart

@@ -35,13 +35,8 @@ const _metadataStrutStyle = StrutStyle(
 const double _watchAllInset = 12;
 const double _watchAllRadius = 6;
 const double _watchAllFont = 16;
-const _watchAllGradient = LinearGradient(
-  begin: Alignment.centerLeft,
-  end: Alignment.centerRight,
-  colors: [AppColors.mineStatShade, AppColors.brandRed, AppColors.vipButtonEnd],
-);
 
-/// 「观看完整剧集」渐变按钮高度，overlay 用它安排底部避让。
+/// 「观看完整剧集」按钮高度，overlay 用它安排底部避让。
 const double homeFeedWatchAllHeight = _watchAllHeight;
 
 /// 播放量紧凑展示（跟随语言）：zh 20万 / en 200K / id 200 rb。
@@ -212,8 +207,13 @@ class HomeFeedWatchAllBar extends StatelessWidget {
     return ClipRRect(
       borderRadius: BorderRadius.circular(_watchAllRadius),
       child: DecoratedBox(
-        key: const Key('home-feed-full-series-gradient'),
-        decoration: const BoxDecoration(gradient: _watchAllGradient),
+        key: const Key('home-feed-full-series-surface'),
+        decoration: const BoxDecoration(
+          color: AppColors.watchAllSurface,
+          border: Border.fromBorderSide(
+            BorderSide(color: AppColors.watchAllBorder),
+          ),
+        ),
         child: Material(
           key: const Key('home-feed-full-series-bg'),
           color: AppColors.transparent,

lib/pages/player/widgets/interaction_rail.dart

@@ -12,9 +12,9 @@ const double _defaultIconSize = 32;
 const double _defaultCountFont = 12;
 const double _defaultIconCountGap = 2;
 const double _defaultItemGap = 24;
-const _tapDuration = Duration(milliseconds: 360);
-const double _popScale = 1.34;
-const double _cancelScale = 0.68;
+const _tapDuration = Duration(milliseconds: 220);
+const double _popScale = 1.14;
+const double _cancelScale = 0.86;
 const double _popWeight = 40;
 const double _settleWeight = 60;
 final _growTween = _tapTween(_popScale);

lib/pages/player/widgets/player_tap_gesture_region.dart

@@ -39,7 +39,7 @@ class PlayerTapGestureRegion extends StatefulWidget {
 }
 
 class _PlayerTapGestureRegionState extends State<PlayerTapGestureRegion> {
-  static const Duration _singleTapDelay = Duration(milliseconds: 320);
+  static const Duration _singleTapDelay = Duration(milliseconds: 240);
 
   Timer? _singleTapTimer;
   DateTime? _lastDownAt;

test/home/feed_info_hierarchy_test.dart

@@ -260,23 +260,16 @@ void main() {
     _expectNoShadows(tester);
   });
 
-  testWidgets('should_use_small_radius_and_brand_gradient_when_watching_all', (
-    tester,
-  ) async {
+  testWidgets('should_use_reference_surface_when_watching_all', (tester) async {
     await _pump(tester);
     final background = find.byKey(const Key('home-feed-full-series-bg'));
     final decorated = tester.widget<DecoratedBox>(
-      find.byKey(const Key('home-feed-full-series-gradient')),
+      find.byKey(const Key('home-feed-full-series-surface')),
     );
     final decoration = decorated.decoration as BoxDecoration;
-    expect((decoration.gradient! as LinearGradient).colors, [
-      AppColors.mineStatShade,
-      AppColors.brandRed,
-      AppColors.vipButtonEnd,
-    ]);
-    final gradient = decoration.gradient! as LinearGradient;
-    expect(gradient.begin, Alignment.centerLeft);
-    expect(gradient.end, Alignment.centerRight);
+    expect(decoration.color, AppColors.watchAllSurface);
+    expect(decoration.border?.top.color, AppColors.watchAllBorder);
+    expect(decoration.gradient, isNull);
     expect(tester.widget<Text>(find.text('Watch all')).style?.fontSize, 16);
     expect(
       tester.widget<Text>(find.text('Watch all')).style?.fontWeight,

test/home/feed_watch_all_gradient_test.dart

@@ -1,5 +1,5 @@
 // Author: fruit.com.cn
-// 职责：检查观看全集按钮实际绘制像素，防止渐变只配置而不可见。
+// 职责：检查观看全集按钮的玻璃表面确实被绘制出来。
 import 'dart:typed_data';
 import 'dart:ui' as ui;
 
@@ -7,18 +7,19 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fruitshorts/core/data/models/drama.dart';
+import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
 import 'package:fruitshorts/pages/player/widgets/home_feed_recommend_panel.dart';
 
-const _boundaryKey = Key('watch-gradient-boundary');
+const _boundaryKey = Key('watch-surface-boundary');
 const _width = 280.0;
 const _sampleInset = 16;
 const _sampleY = 4;
 const _rgbaChannels = 4;
-const _minimumRedDelta = 50;
+const _surfaceTolerance = 0.01;
 const _drama = Drama(
-  id: 'gradient',
-  title: 'Gradient',
+  id: 'surface',
+  title: 'Surface',
   synopsis: '',
   posterUrl: '',
 );
@@ -28,12 +29,16 @@ Future<void> _pumpButton(WidgetTester tester) => tester.pumpWidget(
     localizationsDelegates: AppLocalizations.localizationsDelegates,
     supportedLocales: AppLocalizations.supportedLocales,
     home: Scaffold(
+      backgroundColor: Colors.black,
       body: Center(
         child: RepaintBoundary(
           key: _boundaryKey,
           child: SizedBox(
             width: _width,
-            child: HomeFeedWatchAllBar(drama: _drama, onTap: () {}),
+            child: ColoredBox(
+              color: Colors.black,
+              child: HomeFeedWatchAllBar(drama: _drama, onTap: () {}),
+            ),
           ),
         ),
       ),
@@ -52,7 +57,7 @@ Color _sample(ByteData bytes, int width, int x) {
 }
 
 void main() {
-  testWidgets('should_paint_visible_red_gradient_instead_of_flat_fill', (
+  testWidgets('should_paint_reference_dark_surface_when_watching_all', (
     tester,
   ) async {
     await _pumpButton(tester);
@@ -68,11 +73,21 @@ void main() {
       final middle = _sample(bytes, image.width, image.width ~/ 2);
       final right = _sample(bytes, image.width, image.width - _sampleInset);
       image.dispose();
-      expect(left.a, 1);
-      expect(right.a, 1);
-      expect((right.r - left.r) * 255, greaterThan(_minimumRedDelta));
-      expect(left.g, lessThan(middle.g));
-      expect(middle.g, lessThan(right.g));
+      for (final sample in [left, middle, right]) {
+        expect(sample.a, 1);
+        expect(
+          sample.r,
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
+        );
+        expect(
+          sample.g,
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
+        );
+        expect(
+          sample.b,
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
+        );
+      }
     });
   });
 }

test/player/double_tap_like_test.dart

@@ -16,8 +16,10 @@ import '../support/fake_haptics.dart';
 import '../support/fake_interaction_repositories.dart';
 
 void main() {
-  testWidgets('double tap within 320ms never pauses', (tester) async {
-    for (final delay in [120, 250, 300]) {
+  testWidgets('should_like_without_pausing_when_double_tap_within_240ms', (
+    tester,
+  ) async {
+    for (final delay in [80, 160, 220]) {
       final repository = FakeInteractionRepository();
       final haptics = FakeHaptics();
       final key = GlobalKey<_HarnessState>();
@@ -53,7 +55,7 @@ void main() {
     }
   });
 
-  testWidgets('taps 500ms apart toggle playback twice', (tester) async {
+  testWidgets('should_toggle_twice_when_taps_are_260ms_apart', (tester) async {
     final key = GlobalKey<_HarnessState>();
     final clock = _TestClock();
     await _pumpHarness(
@@ -67,15 +69,15 @@ void main() {
     await tester.tapAt(
       tester.getCenter(find.byKey(const Key('home-feed-gesture'))),
     );
-    clock.advance(const Duration(milliseconds: 500));
-    await tester.pump(const Duration(milliseconds: 500));
+    clock.advance(const Duration(milliseconds: 260));
+    await tester.pump(const Duration(milliseconds: 260));
     expect(key.currentState!.pauseToggles, 1);
 
     await tester.tapAt(
       tester.getCenter(find.byKey(const Key('home-feed-gesture'))),
     );
-    clock.advance(const Duration(milliseconds: 500));
-    await tester.pump(const Duration(milliseconds: 500));
+    clock.advance(const Duration(milliseconds: 260));
+    await tester.pump(const Duration(milliseconds: 260));
     expect(key.currentState!.pauseToggles, 2);
   });
 

test/player/interaction_rail_motion_test.dart

@@ -14,11 +14,13 @@ const _popFrame = Duration(milliseconds: 100);
 const _buttonSize = 48.0;
 const _compactGap = 6.0;
 const _epsilon = 0.01;
-const _cancelledMaximum = 0.8;
-const _popMinimum = 1.22;
+const _cancelledMinimum = 0.8;
+const _popMinimum = 1.03;
+const _popMaximum = 1.18;
 const _burstKey = Key('rail-tap-burst');
 const _directionFrame = Duration(milliseconds: 60);
-const _directionFrames = 4;
+const _directionFrames = 2;
+const _motionCompletion = Duration(milliseconds: 230);
 
 Future<void> _pumpRail(
   WidgetTester tester, {
@@ -115,7 +117,9 @@ void main() {
           await tester.pump(_popFrame);
           expect(
             _scale(tester, key),
-            selected ? lessThan(_cancelledMaximum) : greaterThan(_popMinimum),
+            selected
+                ? allOf(greaterThan(_cancelledMinimum), lessThan(1))
+                : allOf(greaterThan(_popMinimum), lessThan(_popMaximum)),
           );
           _expectBurst(tester, key, selected);
           expect(tester.getRect(_button(key)), rect);
@@ -155,6 +159,15 @@ void main() {
     },
   );
 
+  testWidgets('should_finish_feedback_within_230ms', (tester) async {
+    await _pumpRail(tester, onTap: () {});
+    await tester.tap(_button(_likeKey));
+    await tester.pump();
+    await tester.pump(_motionCompletion);
+    expect(find.byKey(_burstKey), findsNothing);
+    expect(_scale(tester, _likeKey), closeTo(1, _epsilon));
+  });
+
   testWidgets('should_keep_callbacks_without_motion_when_reduced', (
     tester,
   ) async {