:root{--bg:#f4f1ea;--bg-soft:#fbfaf7;--surface:#fff;--surface-2:#f6f4ef;--border:#e2ddd2;--text:#232019;--text-soft:#6d6558;--accent:#0f766e;--accent-soft:#d6f0ec;--red:#c02c30;--black-piece:#1f2933;--board-1:#f0d9a7;--board-2:#e6c78c;--board-line:#7a5a34;--piece-face:#fdf6e6;--piece-face-2:#f2e3c4;--shadow:0 8px 24px #29211414;--radius:14px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif}:root[data-theme=dark]{--bg:#14161a;--bg-soft:#1a1d22;--surface:#1d2126;--surface-2:#23282e;--border:#2f353d;--text:#eef1f4;--text-soft:#9aa4b0;--accent:#2dd4bf;--accent-soft:#123c3a;--red:#f4676c;--black-piece:#10151b;--board-1:#c9a870;--board-2:#b08f57;--board-line:#4a3418;--piece-face:#f6ecd6;--piece-face-2:#e2cfa6;--shadow:0 10px 30px #0006;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{background:radial-gradient(1200px 600px at 15% -10%, 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380px;align-items:start;gap:20px;display:grid}.board-column{flex-direction:column;gap:12px;min-width:0;display:flex}.board-row{align-items:stretch;gap:12px;display:flex}.board-wrap{border-radius:var(--radius);min-width:0;max-width:calc(84.1463vh - 168.293px);box-shadow:var(--shadow);flex:1;margin:0 auto;overflow:hidden}svg.board{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:auto;display:block}.river-text{letter-spacing:6px;fill:color-mix(in srgb, var(--board-line) 75%, transparent);font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:20px}.coord text{fill:color-mix(in srgb, var(--board-line) 80%, transparent);font-size:13px}.piece-disc{fill:var(--piece-face);stroke:color-mix(in srgb, var(--board-line) 60%, transparent);stroke-width:1.2px}.piece-inner{fill:none;stroke:color-mix(in srgb, var(--board-line) 35%, transparent);stroke-width:1px}.piece-text{pointer-events:none;font-family:Kaiti SC,STKaiti,KaiTi,Songti 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b{font-size:15px}.candidate-score small{color:var(--text-soft);font-size:11px}.control-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.control-row.segmented{border:1px solid var(--border);border-radius:10px;gap:0;width:fit-content;overflow:hidden}.control-row.segmented button{background:0 0;border:none;border-radius:0}.control-row.segmented button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.switch{color:var(--text-soft);cursor:pointer;align-items:center;gap:6px;font-size:13px;display:inline-flex}.switch input{accent-color:var(--accent);width:16px;height:16px}.slider{color:var(--text-soft);margin-bottom:10px;font-size:13px;display:block}.slider span{margin-bottom:4px;display:block}.slider b{color:var(--text)}.slider input{width:100%;accent-color:var(--accent);background:0 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