:root{--paper:#faf7f2;--paper-raised:#fff;--paper-sunken:#f2ede4;--ink:#24201c;--ink-soft:#6b6259;--ink-faint:#9a9089;--line:#e2d9cc;--line-strong:#c8bcab;--accent:#c25b3a;--accent-soft:#f6e3dc;--danger:#b3341f;--danger-soft:#fae5e0;--ok:#3f7d52;--ok-soft:#e2f0e5;--radius:6px;--shadow:0 1px 2px #24201c0f, 0 4px 12px #24201c0a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--paper:#1a1815;--paper-raised:#232019;--paper-sunken:#131110;--ink:#ece5da;--ink-soft:#a89e92;--ink-faint:#7a7168;--line:#38322a;--line-strong:#4d453a;--accent:#e07a56;--accent-soft:#3a2419;--danger:#e07a66;--danger-soft:#3a1e18;--ok:#7fbc92;--ok-soft:#1e2f22;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.6}h1,h2,h3{margin:0;font-weight:600;line-height:1.3}h1{letter-spacing:.02em;font-size:17px}h2{font-size:15px}h3{color:var(--ink-soft);font-size:13px;font-weight:600}p{margin:0}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--line);background:var(--paper-raised);z-index:20;flex-wrap:wrap;align-items:center;gap:16px;padding:12px 20px;display:flex;position:sticky;top:0}.brand{align-items:baseline;gap:10px;display:flex}.brand .tag{color:var(--ink-faint);border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:11px}.stepper{flex-wrap:wrap;gap:4px;margin-left:auto;display:flex}.stepper button{color:var(--ink-soft);font:inherit;border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #0000;align-items:center;gap:7px;padding:5px 11px;display:flex}.stepper button:hover:not(:disabled){background:var(--paper-sunken)}.stepper button[aria-current=step]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.stepper button:disabled{opacity:.38;cursor:not-allowed}.stepper .n{background:var(--paper-sunken);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;width:19px;height:19px;font-size:11px;display:grid}.stepper button[aria-current=step] .n{background:var(--accent);color:#fff}.main{flex:1;grid-template-columns:minmax(340px,400px) 1fr;align-items:start;gap:0;display:grid}@media (width<=900px){.main{grid-template-columns:1fr}}.panel{border-right:1px solid var(--line);flex-direction:column;gap:20px;min-height:calc(100vh - 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