opt: bangumi intro

lib/pages/video/detail/introduction/widgets/action_item.dart

@@ -29,6 +29,7 @@ class ActionItem extends StatelessWidget {
         child: Semantics(
             label: (text ?? "") + (selectStatus ? "已" : "") + semanticsLabel,
             child: InkWell(
+              borderRadius: BorderRadius.circular(6),
               onTap: () => {
                 feedBack(),
                 onTap!(),

lib/pages/video/detail/introduction/widgets/fav_panel.dart

@@ -26,7 +26,7 @@ class _FavPanelState extends State<FavPanel> {
   Widget build(BuildContext context) {
     return Container(
       height: Utils.getSheetHeight(context),
-      color: Theme.of(context).colorScheme.background,
+      color: Theme.of(context).colorScheme.surface,
       child: Column(
         children: [
           AppBar(

lib/pages/video/detail/introduction/widgets/intro_detail.dart

@@ -75,7 +75,7 @@ class IntroDetail extends StatelessWidget {
                         ),
                       ],
                     ),
-                    const SizedBox(height: 20),
+                    const SizedBox(height: 10),
                     SizedBox(
                       width: double.infinity,
                       child: SelectableRegion(
@@ -86,9 +86,12 @@ class IntroDetail extends StatelessWidget {
                           children: <Widget>[
                             Text(
                               videoDetail!.bvid!,
-                              style: const TextStyle(fontSize: 13),
+                              style: TextStyle(
+                                fontSize: 13,
+                                color: Theme.of(context).colorScheme.primary,
+                              ),
                             ),
-                            const SizedBox(height: 4),
+                            const SizedBox(height: 10),
                             Text.rich(
                               style: const TextStyle(
                                 height: 1.4,