html,body{margin:0;padding:0;height:100%;background:#1a1a2e;color:#f1f1f1;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}#game-container{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}#game-container canvas{display:block;touch-action:none}