模型查看器返回按钮修复

修复了在模型查看器中隐藏HUD时返回按钮仍然可见的问题。

.detail-panel[hidden] { display: block !important; } .detail-tabs { display: none; } /* These three panels are rendered by the browser. */ [data-versions], [data-changelog-panel], [data-comments] { display: none; }