style(home): 观看全集按钮改为半透明白玻璃表面

lib/core/theme/app_colors.dart

@@ -30,8 +30,11 @@ 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：品牌红压暗后的酒红表面。
-  static const watchAllSurface = Color(0xFF4A2D2D);
+  /// 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);
+
+  /// 观看全集按钮的白色发丝边框。
+  static const watchAllBorder = Color(0x1FFFFFFF);
 
   /// 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);

lib/pages/player/widgets/home_feed_recommend_panel.dart

@@ -208,7 +208,12 @@ class HomeFeedWatchAllBar extends StatelessWidget {
       borderRadius: BorderRadius.circular(_watchAllRadius),
       child: DecoratedBox(
         key: const Key('home-feed-full-series-surface'),
-        decoration: const BoxDecoration(color: AppColors.watchAllSurface),
+        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,

test/home/feed_info_hierarchy_test.dart

@@ -268,6 +268,7 @@ void main() {
     );
     final decoration = decorated.decoration as BoxDecoration;
     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(

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，防止配色只配置而不可见。
+// 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;
 
@@ -29,12 +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: () {}),
+            ),
           ),
         ),
       ),
@@ -73,15 +77,15 @@ void main() {
         expect(sample.a, 1);
         expect(
           sample.r,
-          closeTo(AppColors.watchAllSurface.r, _surfaceTolerance),
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
         );
         expect(
           sample.g,
-          closeTo(AppColors.watchAllSurface.g, _surfaceTolerance),
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
         );
         expect(
           sample.b,
-          closeTo(AppColors.watchAllSurface.b, _surfaceTolerance),
+          closeTo(AppColors.watchAllSurface.a, _surfaceTolerance),
         );
       }
     });