#Cocos3dGameContainer,#GameCanvas,#GameDiv{display:block;width:100%;height:100%}body{background:#000;height:100vh;width:100vw;margin:0;overflow:hidden}.game-container{display:flex;justify-content:center;align-items:center}#unity-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1}