merge: 优化二级标签选中样式

docs/plans/PROGRESS.md

@@ -1111,7 +1111,7 @@ $ flutter test
 
 ## 2026-10-22 首页布局对齐修正
 
-- 一级分类改为页内切换 6 个列表，未选 16/w400 灰字、选中 20/w700 白字，无下划线；二级 chips 仅精选显示。
+- 一级分类页内切换 6 个列表，未选 16/w400、选中 20/w700，无下划线；二级 chips 高 26、字 15、间距 14，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。
 - 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。

lib/core/theme/app_dimens.dart

@@ -106,9 +106,12 @@ abstract final class AppDimens {
   static const Duration homePrimaryTabAnimationDuration = Duration(
     milliseconds: 180,
   );
-  static const double homeSecondaryTagFont = 13;
+  static const double homeSecondaryTagFont = 15;
+  static const double homeSecondaryTagHeight = 26;
+  static const double homeSecondaryTagHorizontalPadding = 10;
+  static const double homeSecondaryTagRadius = 13;
   static const double homePrimaryCategoryGap = 24;
-  static const double homeSecondaryTagGap = 18;
+  static const double homeSecondaryTagGap = 14;
   static const double homeSearchTopGap = 0;
   static const double homeSearchPrimaryGap = 8;
   static const double homePrimarySecondaryGap = 8;

lib/pages/home/widgets/home_grid_header.dart

@@ -362,7 +362,7 @@ class HomeGridHeader extends StatelessWidget {
       style: TextStyle(
         color: selected ? AppColors.navSelected : AppColors.textTertiary,
         fontSize: AppDimens.homeSecondaryTagFont,
-        fontWeight: selected ? FontWeight.w700 : FontWeight.w400,
+        fontWeight: selected ? FontWeight.w600 : FontWeight.w400,
         letterSpacing: 0,
       ),
     );
@@ -372,19 +372,22 @@ class HomeGridHeader extends StatelessWidget {
       onTap: () => onTagSelected(selected ? null : tag.id),
       child: selected
           ? Container(
+              height: AppDimens.homeSecondaryTagHeight,
               padding: const EdgeInsets.symmetric(
-                horizontal: AppDimens.spaceMd,
+                horizontal: AppDimens.homeSecondaryTagHorizontalPadding,
-                vertical: AppDimens.spaceSm,
               ),
+              alignment: Alignment.center,
               decoration: BoxDecoration(
                 color: AppColors.contentSurface,
-                borderRadius: BorderRadius.circular(AppDimens.pillRadius),
+                borderRadius: BorderRadius.circular(
+                  AppDimens.homeSecondaryTagRadius,
+                ),
               ),
               child: label,
             )
-          : Padding(
+          : SizedBox(
-              padding: const EdgeInsets.symmetric(vertical: AppDimens.spaceSm),
+              height: AppDimens.homeSecondaryTagHeight,
-              child: label,
+              child: Align(alignment: Alignment.centerLeft, child: label),
             ),
     );
   }

test/home/home_preview_layout_test.dart

@@ -157,6 +157,10 @@ void main() {
     expect(primaryGap, closeTo(AppDimens.homePrimaryCategoryGap, 0.1));
     final tagStart = tester.getTopLeft(find.text('Hot'));
     expect(tagStart.dx, pageStart.dx);
+    expect(
+      tester.getSize(find.byKey(const Key('home-tag-hot'))).height,
+      AppDimens.homeSecondaryTagHeight,
+    );
     final tagGap =
         tester.getTopLeft(find.text('Uplifting')).dx -
         tester.getBottomRight(find.text('Hot')).dx;
@@ -173,6 +177,14 @@ void main() {
       (selectedTagChip.decoration! as BoxDecoration).color,
       AppColors.contentSurface,
     );
+    expect(
+      (selectedTagChip.decoration! as BoxDecoration).borderRadius,
+      BorderRadius.circular(AppDimens.homeSecondaryTagRadius),
+    );
+    expect(
+      tester.getSize(find.byKey(const Key('home-tag-hot'))).height,
+      AppDimens.homeSecondaryTagHeight,
+    );
     final selectedTag = tester.widget<Text>(
       find.descendant(
         of: find.byKey(const Key('home-tag-hot')),
@@ -180,7 +192,7 @@ void main() {
       ),
     );
     expect(selectedTag.style?.color, AppColors.navSelected);
-    expect(selectedTag.style?.fontWeight, FontWeight.w700);
+    expect(selectedTag.style?.fontWeight, FontWeight.w600);
     expect(find.byType(PageView), findsNothing);
     expect(tester.takeException(), isNull);
   });