html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#08090b;color:#f4f7fb;font-family:Verdana,Microsoft YaHei,sans-serif;touch-action:none;-webkit-user-select:none;user-select:none}#game-root{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center}canvas{display:block;outline:none}