:root{color-scheme:dark;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;background:#0b2927;touch-action:none}*{box-sizing:border-box}html,body,#game-shell{width:100%;height:100%;margin:0;overflow:hidden}body{background:#0b2927;overscroll-behavior:none}#game-shell{position:relative}#game-canvas{display:block;width:100%;height:100%;background:#f4e8c5;touch-action:none}.loading,.rotate-notice,.fatal-error{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;padding:24px;text-align:center;color:#fff9e8;background:#123b39;z-index:10}.loading strong,.rotate-notice strong,.fatal-error strong{font-size:clamp(24px,6vw,42px)}.loading span,.rotate-notice span,.fatal-error span{color:#e7d39b;font-size:15px}.rotate-notice{display:none;z-index:20}.rotate-notice img{width:78px;height:78px;border-radius:18px}.fatal-error{background:#3b1d1b;z-index:30}[hidden]{display:none!important}@media(orientation:portrait)and (max-width:700px){#game-canvas,.loading{visibility:hidden}.rotate-notice{display:grid}}