*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%}body{display:grid;place-items:center;background:radial-gradient(circle at top,#161b2e,#05070f 65%);font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;color:#f5f9ff}#app{display:grid;place-items:center;width:100%;justify-items:center;padding:24px 12px}#game{width:min(96vw,480px);aspect-ratio:2 / 3;border:1px solid #2e416d;border-radius:12px;box-shadow:0 22px 60px #0a122a8c,inset 0 0 0 1px #7fb5ff33;background:#02040a;max-width:480px;max-height:720px}