style(player): 播放页与首页浮层的控件样式统一

播放页顶部按钮与选集条去掉底色、进度条不再画滑块圆点并压到最底部；
剧名与简介收在互动栏左侧，清屏后只留右下角退出按钮。
首页观看条与进度条共用 20pt 页边距，进度槽底色与播放页一致。

test/player/player_center_toggle_test.dart

@@ -35,12 +35,12 @@ void main() {
       Key('player-play-toggle'),
     ]) {
       expect(tester.getSize(find.byKey(key)), const Size(68, 68));
-      // 圆形底改为半透明黑色，不再是完全透明或蓝色实底。
+      // 圆形深色底：压在亮画面上也能看见播放/暂停。
       final container = tester.widget<Container>(
         find.descendant(of: find.byKey(key), matching: find.byType(Container)),
       );
       final decoration = container.decoration! as BoxDecoration;
-      expect(decoration.color, Colors.black26);
+      expect(decoration.color, const Color(0x66000000));
       expect(decoration.shape, BoxShape.circle);
       final icon = tester.widget<Icon>(
         find.descendant(of: find.byKey(key), matching: find.byType(Icon)),

test/player/player_fullscreen_test.dart

@@ -983,9 +983,11 @@ void main() {
     expect(find.byKey(const Key('player-video-tap')), findsOneWidget);
     expect(find.byKey(const Key('player-bottom-clear-screen')), findsOneWidget);
     expect(find.byTooltip('Exit clear screen'), findsOneWidget);
+    // 清屏后左侧选集条一起收起，只留右下角的退出按钮。
+    expect(find.byKey(const Key('player-episodes-pill')), findsNothing);
     expect(
       tester.getSize(find.byKey(const Key('player-bottom-clear-screen'))),
-      const Size(40, 40),
+      const Size(40, 34),
     );
 
     await tester.tapAt(const Offset(80, 300));
@@ -1100,8 +1102,8 @@ void main() {
     expect(find.byKey(const Key('player-speed-boost-hint')), findsNothing);
     expect(find.byKey(const Key('player-interaction-rail')), findsNothing);
     expect(find.byTooltip('Exit clear screen'), findsOneWidget);
-    // 清屏态本来显示的选集胶囊与右下按钮，在加速结束后恢复。
-    expect(find.byKey(const Key('player-episodes-pill')), findsOneWidget);
+    // 清屏态只恢复右下退出按钮；左侧选集条在清屏下一直不显示。
+    expect(find.byKey(const Key('player-episodes-pill')), findsNothing);
     expect(find.byKey(const Key('player-bottom-clear-screen')), findsOneWidget);
     expect(
       find.descendant(
@@ -1118,7 +1120,7 @@ void main() {
 
     expect(
       tester.getSize(find.byKey(const Key('player-back'))),
-      const Size(36, 36),
+      const Size(40, 40),
     );
     expect(tester.takeException(), isNull);
   });
@@ -1160,17 +1162,12 @@ void main() {
           .child,
       isNotNull,
     );
+    // 选集条给一层浅底色，标出可点区域。
     expect(
       tester
           .widget<Material>(find.byKey(const Key('player-episodes-pill')))
           .color,
-      AppColors.playerOverlayPill,
-    );
-    expect(
-      tester
-          .widget<Material>(find.byKey(const Key('player-episodes-pill')))
-          .borderRadius,
-      BorderRadius.circular(7),
+      AppColors.textPrimary.withValues(alpha: 0.14),
     );
     expect(
       tester
@@ -1186,9 +1183,14 @@ void main() {
           ?.fontSize,
       13.5,
     );
+    // 清屏按钮与左侧选集条等高。
     expect(
       tester.getSize(find.byKey(const Key('player-bottom-clear-screen'))),
-      const Size(40, 40),
+      const Size(40, 34),
+    );
+    expect(
+      tester.getSize(find.byKey(const Key('player-episodes-pill'))).height,
+      34,
     );
     expect(find.byKey(const Key('progress-loading')), findsNothing);
     expect(find.byKey(const Key('progress-inactive')), findsOneWidget);
@@ -1289,7 +1291,8 @@ void main() {
         matching: find.byIcon(Icons.keyboard_arrow_up_rounded),
       ),
     );
-    expect(pill.right - arrow.right, closeTo(14, 0.5));
+    // 选集条左右各留 10pt 内边距，箭头不再贴边。
+    expect(pill.right - arrow.right, closeTo(10, 0.5));
     expect(arrow.left - label.right, closeTo(8, 0.5));
   });
 
@@ -1551,7 +1554,8 @@ void main() {
       ),
     );
     expect(chevron.left - title.right, lessThanOrEqualTo(6));
-    expect(chevron.right, lessThanOrEqualTo(320 - 14));
+    // 剧名和简介一样收在互动栏左侧，不再铺到屏幕最右边。
+    expect(chevron.right, lessThanOrEqualTo(320 - 14 - 54));
     final synopsis = tester.widget<Text>(
       find.byKey(const Key('player-synopsis')),
     );
@@ -1647,11 +1651,11 @@ void main() {
     await tester.tap(find.byKey(const Key('player-episodes')));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('player-episodes-sheet')), findsOneWidget);
-    expect(find.byKey(const Key('player-episodes-close')), findsOneWidget);
+    expect(find.byKey(const Key('drama-info-sheet')), findsOneWidget);
+    expect(find.byKey(const Key('drama-info-close')), findsOneWidget);
     final grid = tester.widget<GridView>(
       find.descendant(
-        of: find.byKey(const Key('player-episodes-sheet')),
+        of: find.byKey(const Key('drama-info-sheet')),
         matching: find.byType(GridView),
       ),
     );
@@ -1659,14 +1663,14 @@ void main() {
         grid.gridDelegate as SliverGridDelegateWithFixedCrossAxisCount;
     expect(delegate.crossAxisCount, 6);
     final overlay = tester.widget<AnnotatedRegion<SystemUiOverlayStyle>>(
-      find.byKey(const Key('player-episodes-system-overlay')),
+      find.byKey(const Key('drama-info-system-overlay')),
     );
     expect(overlay.value.systemNavigationBarColor, AppColors.card);
     expect(overlay.value.systemNavigationBarContrastEnforced, isFalse);
     final safeArea = tester.widget<SafeArea>(
       find
           .descendant(
-            of: find.byKey(const Key('player-episodes-sheet')),
+            of: find.byKey(const Key('drama-info-sheet')),
             matching: find.byType(SafeArea),
           )
           .first,
@@ -2030,7 +2034,7 @@ void _expectFullscreenOverlay(WidgetTester tester) {
   expect(find.byKey(const Key('player-synopsis')), findsOneWidget);
   expect(find.byKey(const Key('player-more')), findsOneWidget);
   for (final key in const [Key('player-back'), Key('player-more')]) {
-    expect(tester.getSize(find.byKey(key)), const Size(36, 36));
+    expect(tester.getSize(find.byKey(key)), const Size(40, 40));
   }
   expect(find.byKey(const Key('player-play-toggle')), findsNothing);
   expect(find.byKey(const Key('player-episodes')), findsOneWidget);

test/player/seek_scrub_visibility_test.dart

@@ -37,11 +37,8 @@ void main() {
     expect(find.byKey(const Key('scrub-overlay')), findsNothing);
     expect(harness.scrubStarts, 1);
     expect(_sliderTheme(tester).trackHeight, 6);
-    expect(
-      (_sliderTheme(tester).thumbShape! as RoundSliderThumbShape)
-          .enabledThumbRadius,
-      8,
-    );
+    // 不画滑块圆点，进度只靠已播段表达。
+    expect(_sliderTheme(tester).thumbShape, SliderComponentShape.noThumb);
 
     await gesture.moveBy(const Offset(72, 0));
     await tester.pump();
@@ -67,11 +64,7 @@ void main() {
     expect(harness.scrubEnds, 1);
     expect(harness.seeks, 1);
     expect(_sliderTheme(tester).trackHeight, 2);
-    expect(
-      (_sliderTheme(tester).thumbShape! as RoundSliderThumbShape)
-          .enabledThumbRadius,
-      6,
-    );
+    expect(_sliderTheme(tester).thumbShape, SliderComponentShape.noThumb);
   });
 
   testWidgets('feed progress tap does not clear overlay content', (
@@ -154,29 +147,27 @@ void main() {
     await tester.pumpAndSettle();
   });
 
-  testWidgets('feed progress thumb stays on the finger when dragged right', (
-    tester,
-  ) async {
-    await _pumpFeedOverlay(tester);
-    final bar = find.byKey(const Key('home-feed-progress'));
-    final gesture = await tester.startGesture(tester.getCenter(bar));
+  testWidgets(
+    'feed progress played segment follows the finger when dragged right',
+    (tester) async {
+      await _pumpFeedOverlay(tester);
+      final bar = find.byKey(const Key('home-feed-progress'));
+      final gesture = await tester.startGesture(tester.getCenter(bar));
 
-    await gesture.moveBy(const Offset(800, 0));
-    await tester.pump();
+      await gesture.moveBy(const Offset(800, 0));
+      await tester.pump();
 
-    final thumbCenter = tester
-        .getRect(find.byKey(const Key('home-feed-progress-thumb')))
-        .center
-        .dx;
-    final playedRight = tester
-        .getRect(find.byKey(const Key('home-feed-progress-played')))
-        .right;
-    expect(thumbCenter, closeTo(tester.getRect(bar).right, 0.5));
-    expect(playedRight, closeTo(thumbCenter, 0.5));
+      expect(
+        tester
+            .getRect(find.byKey(const Key('home-feed-progress-played')))
+            .right,
+        closeTo(tester.getRect(bar).right, 0.5),
+      );
 
-    await gesture.up();
-    await tester.pumpAndSettle();
-  });
+      await gesture.up();
+      await tester.pumpAndSettle();
+    },
+  );
 
   testWidgets('full player drag clears chrome and release restores it', (
     tester,