:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC",sans-serif;background:#101e25;color:#f4efda}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none}body{display:grid;place-items:center;min-height:100dvh;background:radial-gradient(ellipse at 50% 30%,#25424a,#101e25 75%)}
[hidden]{display:none!important}button{font:inherit;cursor:pointer;border:0;touch-action:manipulation}button:focus-visible{outline:3px solid #ffc371;outline-offset:5px}
#stage{position:relative;width:min(1160px,96vw,calc(88dvh * 19.5 / 9));aspect-ratio:19.5/9;overflow:hidden;border-radius:20px;box-shadow:0 24px 90px #0006;background:#172e38}
#canvas{display:block;width:100%;height:100%;outline:none;touch-action:none;-webkit-user-select:none;user-select:none}
.overlay{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:radial-gradient(ellipse at 50% 35%,#2f4e54,#172e38 75%)}
.overlay img{border-radius:21px;margin-bottom:8px}.eyebrow{font-size:12px;letter-spacing:.22em;color:#cad6c0;margin:0 0 8px}h1{font-size:clamp(28px,4vw,48px);letter-spacing:.05em;font-weight:650;margin:0 0 12px}h2{font-size:25px;margin:0 0 14px}.overlay p{line-height:1.65;margin:0 0 16px;color:#dddcc9}.overlay .hint{font-size:12px;color:#abc0bc;margin:12px 0 0}button#play,.overlay button{border-radius:14px;padding:13px 26px;background:#f4edcf;color:#26434b;min-height:48px;font-weight:650}#play span{padding-left:32px}progress{width:min(320px,75%);height:9px;accent-color:#e8cf8f;margin:8px 0 22px}#help{position:fixed;bottom:10px;font-size:12px;letter-spacing:.03em;color:#9aafad}#cache-note{position:fixed;left:50%;top:max(8px,env(safe-area-inset-top));transform:translateX(-50%);font-size:12px;padding:7px 12px;border-radius:20px;background:#132b32e6;color:#d5e5ce;pointer-events:none;opacity:0;transition:opacity .3s;z-index:6}#cache-note.visible{opacity:1}#update{position:fixed;right:12px;top:max(12px,env(safe-area-inset-top));padding:10px 14px;background:#efe6c8;color:#23404a;border-radius:12px;z-index:7}#rotate{z-index:5}.phone{font-size:72px;font-weight:200;color:#daca92;margin-bottom:20px}
@media (pointer:coarse){body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#stage{width:100%;height:100%;aspect-ratio:auto;border-radius:0;box-shadow:none}#help{display:none}.overlay img{width:52px;height:52px;margin:0 0 6px}.overlay p{font-size:14px;margin-bottom:10px}.overlay .hint{font-size:11px}h1{font-size:30px;margin-bottom:7px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}