:root{font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;color:#f4f7f8;background:#090d13;font-synthesis:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}*{box-sizing:border-box}html,body,#game-shell,#game{width:100%;height:100%;margin:0;overflow:hidden;overscroll-behavior:none;background:#090d13}body{position:fixed;inset:0}canvas{display:block;width:100%!important;height:100%!important;object-fit:contain;touch-action:none}#rotate-hint{display:none;position:fixed;inset:0;z-index:100;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:#f7f2df;background:#101722;text-align:center}#rotate-hint .phone-icon{display:grid;place-items:center;width:64px;height:96px;border:3px solid #f3a63a;border-radius:10px;color:#f3a63a;font-size:38px}#rotate-hint strong{font-size:24px;letter-spacing:0}#rotate-hint small{color:#aab7c5;font-size:14px}@media(orientation:portrait)and (max-width:900px){#rotate-hint{display:flex}#game{visibility:hidden}}@media(prefers-reduced-motion:reduce){canvas{image-rendering:auto}}