:root{--paper:#f8f4dc;--ink:#2b2b2b;--green:#3e8a3a;--leaf:#7cc850;--sand:#f8e8b8;--teal:#68d0b8;--terra:#e88858;--red:#d83838;--honey:#f8c888;--wood:#a86838;--font-kai:"Kaiti SC","STKaiti","KaiTi","Noto Serif SC",serif;--font-hei:"PingFang SC","Heiti SC","Noto Sans SC","Microsoft YaHei",sans-serif;--radius:22px;--shadow:0 8px 0 #2b2b2b1f}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{background:var(--paper);height:100%;color:var(--ink);font-family:var(--font-hei);touch-action:none;margin:0;overflow:hidden}#game{position:absolute;inset:0}button{font:inherit}.scrim{background:#2b2b2b40;position:absolute;inset:0}.panel{border:4px solid var(--ink);border-radius:var(--radius);min-width:340px;max-width:min(94vw,720px);max-height:92vh;box-shadow:var(--shadow);background:#fff;padding:0;position:absolute;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%)}.panel-head{border-bottom:3px solid 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