mod: 侧边栏、动态重构，排行改为首页分区，平板、折叠屏、竖屏视频新适配，播放页可隐藏黑边、截图、点踩，弹幕粗细调整，默认关闭后台播放，弹窗接受返回

lib/pages/setting/pages/play_speed_set.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
 import 'package:hive/hive.dart';
 import 'package:PiliPalaX/pages/setting/widgets/switch_item.dart';
 import 'package:PiliPalaX/plugin/pl_player/index.dart';
@@ -76,10 +77,9 @@ class _PlaySpeedPageState extends State<PlaySpeedPage> {
   // 添加自定义倍速
   void onAddSpeed() {
     double customSpeed = 1.0;
-    SmartDialog.show(
-      useSystem: true,
-      animationType: SmartAnimationType.centerFade_otherSlide,
-      builder: (BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (context) {
         return AlertDialog(
           title: const Text('添加倍速'),
           content: Column(
@@ -103,7 +103,7 @@ class _PlaySpeedPageState extends State<PlaySpeedPage> {
           ),
           actions: [
             TextButton(
-              onPressed: () => SmartDialog.dismiss(),
+              onPressed: () => Get.back(),
               child: const Text('取消'),
             ),
             TextButton(
@@ -112,7 +112,7 @@ class _PlaySpeedPageState extends State<PlaySpeedPage> {
                 await videoStorage.put(
                     VideoBoxKey.customSpeedsList, customSpeedsList);
                 setState(() {});
-                SmartDialog.dismiss();
+                Get.back();
               },
               child: const Text('确认添加'),
             )