fix(home): 修正首页分类与卡片布局

lib/pages/following/following_grid_card.dart

@@ -41,6 +41,7 @@ class FollowingGridCard extends StatelessWidget {
       onTap: onTap,
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisAlignment: MainAxisAlignment.start,
         children: [
           AspectRatio(
             key: Key('following-cover-$dramaId'),
@@ -119,6 +120,7 @@ class FollowingGridCard extends StatelessWidget {
             title,
             maxLines: 2,
             overflow: TextOverflow.ellipsis,
+            textAlign: TextAlign.left,
             style: const TextStyle(
               color: AppColors.textPrimary,
               fontSize: AppDimens.cardTitleFont,
@@ -161,39 +163,17 @@ class FollowingGridCard extends StatelessWidget {
   }
 
   Widget _tags() {
-    final visible = tags.take(2).toList(growable: false);
-    return Row(
-      children: [
-        for (final (index, tag) in visible.indexed)
-          Flexible(
-            child: Padding(
-              padding: EdgeInsets.only(
-                right: index == visible.length - 1 ? 0 : AppDimens.spaceXs,
-              ),
-              child: Container(
-                key: Key('following-tag-$dramaId-$index'),
-                height: AppDimens.cardTagHeight,
-                alignment: Alignment.center,
-                padding: const EdgeInsets.symmetric(
-                  horizontal: AppDimens.cardTagHorizontalPadding,
-                ),
-                decoration: BoxDecoration(
-                  color: AppColors.contentSurface,
-                  borderRadius: BorderRadius.circular(AppDimens.cardTagRadius),
-                ),
-                child: Text(
-                  tag,
-                  maxLines: 1,
-                  overflow: TextOverflow.ellipsis,
-                  style: const TextStyle(
-                    color: AppColors.textTertiary,
-                    fontSize: AppDimens.cardTagFont,
-                  ),
-                ),
-              ),
-            ),
-          ),
-      ],
+    final visible = tags.take(3).toList(growable: false);
+    return Text(
+      visible.join(' | '),
+      key: Key('following-tags-$dramaId'),
+      maxLines: 1,
+      overflow: TextOverflow.ellipsis,
+      textAlign: TextAlign.left,
+      style: const TextStyle(
+        color: AppColors.textTertiary,
+        fontSize: AppDimens.cardTagFont,
+      ),
     );
   }
 }