@import"https://fonts.googleapis.com/css2?family=Press+Start+2P&family=ZCOOL+KuaiLe&display=swap";:root{color-scheme:dark;font-family:"Press Start 2P",Microsoft YaHei,monospace;background:#030807;color:#f6e4b3}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;overflow:hidden;background:radial-gradient(circle at 50% 32%,rgba(31,76,58,.16),transparent 38%),#030807}.game-shell{width:100vw;height:100svh;display:grid;place-items:center;padding:28px}#game-canvas{display:block;width:min(960px,calc(100vw - 56px),calc((100svh - 56px) * 4 / 3));height:auto;aspect-ratio:4 / 3;image-rendering:pixelated;image-rendering:crisp-edges;border:2px solid #2e1d18;box-shadow:0 0 0 2px #0b1512,0 22px 80px #0000008c;background:#102b25;cursor:crosshair}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){.game-shell{padding:12px}#game-canvas{width:calc(100vw - 24px);max-height:calc(100svh - 24px);border-width:1px}}