chore: Set DOM node state and update styles for danmuku plugin

packages/artplayer-plugin-danmuku/src/danmuku.js

@@ -420,6 +420,11 @@ export default class Danmuku {
         // 设置新状态
         danmu.$state = state;
 
+        // 设置DOM节点状态
+        if (danmu.$ref) {
+            danmu.$ref.dataset.state = state;
+        }
+
         // 添加到新状态池中
         this.states[state].push(danmu);
     }
@@ -429,6 +434,10 @@ export default class Danmuku {
         this.setState(danmu, 'wait');
         if (danmu.$ref) {
             danmu.$ref.style.cssText = Danmuku.cssText;
+            danmu.$ref.style.visibility = 'hidden';
+            danmu.$ref.style.marginLeft = '0px';
+            danmu.$ref.style.transform = 'translateX(0px)';
+            danmu.$ref.style.transition = 'transform 0s linear 0s';
             this.$refs.push(danmu.$ref);
             danmu.$ref = null;
         }