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,