fix(home): 收紧封面状态角标

docs/plans/PROGRESS.md

@@ -1112,7 +1112,7 @@ $ flutter test
 ## 2026-10-22 首页布局对齐修正
 
 - 一级分类页内切换 6 个列表，未选 18/w400 `#B0B0B0`、选中 20/w700 白字，无下划线；二级 chips 仅精选显示。
-- 四类短剧卡片移除底板/描边，封面统一 8 圆角，网格行距 10、封底到标题 6；热剧/新剧/漫剧角标移至右上角异形丝带。
+- 四类卡片去底板/描边，封面 8 圆角、行距 10、封底标题间距 6；热剧/新剧/漫剧角标为右上角 16 高紧凑异形丝带。
 - 标题下方恢复左对齐题材文字，使用 `|` 分隔、灰色小字，与封面状态角标保持独立。
 - 首页搜索栏到一级、一级到二级、二级到网格间距为 8/8/10；非精选 tab 直接以 10 衔接网格。
 - 播放量回到封面右下角，使用 spark 图标与 12/w400 纯文字、`w` 格式，并加极淡底部渐变；四类列表共用。

lib/core/theme/app_dimens.dart

@@ -91,13 +91,11 @@ abstract final class AppDimens {
   static const double cardPlayCountGap = 2;
   static const double cardPlayCountBottom = 6;
   static const double cardPlayCountScrimHeight = 32;
-  static const double cardGenreRibbonHeight = 20;
-  static const double cardGenreRibbonRadius = 10;
-  static const double cardGenreRibbonLeftInset = 8;
-  static const double cardGenreRibbonMaxWidth = 86;
+  static const double cardGenreRibbonHeight = 16;
+  static const double cardGenreRibbonLeftInset = 4;
+  static const double coverBadgeRibbonHorizontalPadding = 4;
   static const double cardTagFont = 11;
-  static const double cardTagHorizontalPadding = 6;
-  static const double cardBadgeFont = 10;
+  static const double cardBadgeFont = 9;
   static const double cardCoverTitleGap = 6;
   static const double cardTitleTagGap = 6;
   static const double cardCoverAspectRatio = 5 / 6;

lib/core/widgets/drama_cover_badge_ribbon.dart

@@ -24,15 +24,12 @@ class DramaCoverBadgeRibbon extends StatelessWidget {
       key: Key('drama-cover-badge-ribbon-$keyPrefix'),
       clipper: const _SlantedRibbonClipper(),
       child: Container(
-        constraints: const BoxConstraints(
-          maxWidth: AppDimens.cardGenreRibbonMaxWidth,
-        ),
         height: AppDimens.cardGenreRibbonHeight,
         padding: const EdgeInsets.only(
           left:
-              AppDimens.cardTagHorizontalPadding +
+              AppDimens.coverBadgeRibbonHorizontalPadding +
               AppDimens.cardGenreRibbonLeftInset,
-          right: AppDimens.cardTagHorizontalPadding,
+          right: AppDimens.coverBadgeRibbonHorizontalPadding,
         ),
         alignment: Alignment.center,
         color: color,