:root{--paper:#faf7f2;--card:#fffefa;--ink:#302d29;--muted:#7c766e;--line:#e7e0d6;--accent:#802010;--soft:#f5eae5;--green:#466552;--gold:#ab7933;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea,summary{font:inherit}button,summary{cursor:pointer}button{border:1px solid var(--line);border-radius:7px;background:var(--card);padding:9px 13px;color:var(--ink);min-height:40px}button:hover{background:#f1ece4;border-color:#c9bbab}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);color:white;border-color:var(--accent);font-weight:600}button.primary:hover{background:#6a1d10}button.quiet{background:transparent;border-color:transparent;color:var(--muted)}button.quiet:hover{color:var(--accent);background:var(--soft)}:focus-visible{outline:3px solid #c69853;outline-offset:3px}[hidden]{display:none!important}.topbar{padding:18px 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