update docs

packages/artplayer-plugin-danmuku/src/style.less

@@ -158,9 +158,16 @@
         justify-content: center;
         background-color: #000;
 
-        .art-danmuku-style .art-danmuku-style-panel {
-            left: 0;
+        .art-danmuku-emitter {
+            max-width: 100% !important;
+            
+            .art-danmuku-style {
+                .art-danmuku-style-panel {
+                    left: 0;
+                }
+            }
         }
+
     }
 }