*{box-sizing:border-box;margin:0;padding:0}html,body{color:#e8e6e0;-webkit-user-select:none;user-select:none;background:#0c0f16;width:100%;height:100%;font-family:Segoe UI,Microsoft YaHei,sans-serif;overflow:hidden}#app{width:100%;height:100%;position:relative}#scene{cursor:crosshair;width:100%;height:100%;display:block}#hud{pointer-events:none;position:absolute;inset:0}#panel{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a0e149e;border:1px solid #ffffff14;border-radius:12px;padding:12px 18px;position:absolute;top:18px;left:20px}#panel h1{letter-spacing:2px;color:#f0d9a8;font-size:18px;font-weight:600}#score{color:#cfd6e0;margin-top:6px;font-size:14px}#score span{color:#ffd66e;font-size:16px;font-weight:700}#message{letter-spacing:1px;color:#ffe9b8;opacity:0;background:#0c1018b8;border:1px solid #ffd66e59;border-radius:999px;padding:10px 26px;font-size:20px;font-weight:600;transition:opacity .3s,transform .3s;position:absolute;top:22%;left:50%;transform:translate(-50%)translateY(-8px)}#message.show{opacity:1;transform:translate(-50%)translateY(0)}#power-wrap{text-align:center;width:320px;position:absolute;bottom:58px;left:50%;transform:translate(-50%)}#power-bar{background:#ffffff1f;border:1px solid #ffffff26;border-radius:999px;width:100%;height:12px;overflow:hidden}#power-fill{background:linear-gradient(90deg,#6ee7a0,#ffd66e,#ff6b4a);border-radius:999px;width:0%;height:100%;transition:width 30ms linear}#power-label{letter-spacing:4px;color:#ffffff8c;margin-top:5px;font-size:12px}#help{color:#e8e6e099;white-space:nowrap;background:#0a0e1480;border-radius:999px;padding:7px 16px;font-size:12.5px;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}