*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden;background:#1a1410}#scene{display:block;width:100%;height:100%;touch-action:none}.hud{position:fixed;top:1.25rem;left:1.25rem;z-index:10;max-width:min(22rem,calc(100vw - 2.5rem));pointer-events:none;color:#f7efe6;font-family:Songti SC,"Noto Serif SC",STSong,SimSun,serif;text-shadow:0 1px 8px rgba(20,12,8,.55)}.hud h1{font-size:clamp(1.35rem,2.8vw,1.85rem);font-weight:600;letter-spacing:.08em;line-height:1.3}.hud .couple{margin-top:.45rem;font-size:clamp(.9rem,1.8vw,1.05rem);opacity:.92;letter-spacing:.04em}.hud .hint{margin-top:.75rem;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:.8rem;letter-spacing:.06em;opacity:.72}