:root{--bg:#f7f6f3;--panel:#ffffff;--border:#e4e1db;--text:#1d1c1a;--muted:#7a756d;--soft:#f1efea;--accent:#1f6f4a;--accent-soft:#e8f3ec;--danger:#b8322a;--danger-soft:#fbeceb;--warn:#a8721b;--c-fold:#9a968f;--c-call:#3a6ea5;--c-raise:#d97b2a;--c-best:#2e8b57;--radius:10px;--shadow:0 1px 2px rgba(0,0,0,0.04),0 4px 14px rgba(0,0,0,0.04)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.mono,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}code{background:var(--soft);padding:1px 6px;border-radius:5px}button{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:7px 13px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}button:hover{border-color:#c9c4bb;background:#fbfaf8}button:disabled{opacity:.5;cursor:not-allowed}select{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:7px 10px;cursor:pointer}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}table{width:100%;border-collapse:collapse;font-size:13.5px}td,th{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.02em}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.01em}