html,body{width:100%;height:100%;margin:0;padding:0;overflow:hidden;background:#000;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}body{position:fixed;inset:0;overscroll-behavior:none}#app{width:100%;height:100%;height:100dvh}#app canvas{display:block}#loader{position:fixed;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#9bd6ff;background:#15151f;font:700 16px Arial,Microsoft YaHei,sans-serif}#loader .ring{width:44px;height:44px;margin-bottom:16px;border:4px solid #232338;border-top-color:#3d9bff;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#rotate-mask{position:fixed;inset:0;z-index:99;display:none;align-items:center;justify-content:center;color:#fff;text-align:center;background:#15151f;font:700 20px Arial,Microsoft YaHei,sans-serif}@media(orientation:portrait)and (pointer:coarse){#rotate-mask{display:flex}}