:root{--bg:#f7f6f2;--surface:#fff;--ink:#15181e;--ink-2:#3a404b;--muted:#646b78;--line:#e2dfd7;--line-strong:#c9c5bb;--good:#11724b;--good-soft:#e3f3ea;--bad:#b42318;--bad-soft:#fbe9e7;--warn-soft:#fff4d6;--accent:#0f5c3a;--accent-ink:#fff;--accent-soft:#e4efe8;--focus:#1a56db;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-num:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--shadow:0 8px 24px #0000001f;--radius:10px;--radius-sm:6px;--gap:20px;--measure:70ch;--container:1120px}*,:before,:after{box-sizing:border-box}html,body{overflow-x:clip}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:16px/1.55 var(--font);font-variant-numeric:tabular-nums;margin:0}img,svg{max-width:100%;height:auto}a{color:var(--accent);text-underline-offset:2px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;transition:none}h1,h2,h3{overflow-wrap:break-word;min-width:0;color:var(--ink);margin:0 0 .4em;font-weight:750;line-height:1.2}h1{letter-spacing:-.01em;font-size:clamp(1.75rem,1.2rem + 2vw,2.5rem)}h2{font-size:clamp(1.3rem,1.1rem + .8vw,1.65rem)}h3{font-size:1.1rem}p{max-width:var(--measure);margin:0 0 1em}.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}.lede{color:var(--ink-2);max-width:62ch;font-size:1.08rem}.muted{color:var(--muted)}.small{font-size:.875rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.site-head{background:var(--surface);border-bottom:1px solid var(--line)}.site-head .wrap{flex-wrap:wrap;align-items:center;gap:24px;min-height:60px;display:flex}.brand{color:var(--ink);align-items:center;gap:8px;font-size:1.12rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-logo{width:auto;height:40px;display:block}@media (width<=640px){.brand-logo{height:34px}}.brand-mark{background:var(--accent);width:26px;height:26px;color:var(--accent-ink);border-radius:7px;place-items:center;font-size:.8rem;font-weight:800;display:inline-grid}.nav{flex-wrap:wrap;gap:4px;margin-left:auto;display:flex}.nav a{color:var(--ink-2);border-radius:var(--radius-sm);white-space:nowrap;flex:none;padding:8px 10px;font-size:.95rem;text-decoration:none}.nav a:hover{background:var(--accent-soft);color:var(--ink)}.nav a[aria-current=page]{color:var(--accent);font-weight:650}@media (width<=640px){.site-head .wrap{gap:6px;padding-top:8px;padding-bottom:6px}.nav{scrollbar-width:none;flex-wrap:nowrap;width:calc(100% + 10px);margin-left:-10px;overflow-x:auto}}main{display:block}.hero{padding:28px 0 8px}.section{padding:28px 0}.section+.section{border-top:1px solid var(--line)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.grid-2{gap:var(--gap);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.grid-3{gap:var(--gap);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}@media (width<=860px){.grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}}.btn{appearance:none;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font:inherit;border-radius:var(--radius-sm);cursor:pointer;padding:9px 14px;font-size:.95rem;font-weight:600;text-decoration:none;transition:background-color .12s,border-color .12s,color .12s;display:inline-block}.btn:hover{border-color:var(--ink-2)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn-primary:hover{filter:brightness(1.08);border-color:var(--accent)}.btn-row{flex-wrap:wrap;gap:8px;display:flex}.tabs{scrollbar-width:thin;gap:4px;padding-bottom:4px;display:flex;overflow-x:auto}.tab{appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font:inherit;cursor:pointer;white-space:nowrap;border-radius:999px;padding:6px 11px;font-size:.9rem}.tab[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:var(--surface)}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.94rem}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:8px 10px}th{color:var(--muted);background:var(--bg);font-size:.85rem;font-weight:650}tr:last-child td{border-bottom:0}td.num,th.num{text-align:right}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:650}.faq details p{color:var(--ink-2);margin:8px 0 0}.site-foot{background:var(--surface);border-top:1px solid var(--line);color:var(--muted);margin-top:40px;padding:28px 0 40px;font-size:.9rem}.site-foot nav{flex-wrap:wrap;gap:16px;margin-bottom:10px;display:flex}.site-foot a{color:var(--ink-2)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}