:root{color-scheme:dark;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;background:#101820;touch-action:none;user-select:none;-webkit-user-select:none}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}body{background:radial-gradient(circle at 50% 40%,rgba(49,74,70,.58),transparent 56%),#101820}#app{display:grid;place-items:center;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#game{display:block;width:100%;height:100%;image-rendering:pixelated;outline:none;touch-action:none}.rotate-tip{display:none;position:fixed;inset:0;margin:0;place-items:center;z-index:4;color:#f7d774;background:#101820;font-size:18px;letter-spacing:.08em}@media(orientation:portrait)and (max-width:800px){.rotate-tip{display:grid}}