:root{--bg:#f5f7fa;--surface:#fff;--surface-2:#f0f3f7;--text:#142030;--muted:#5a6778;--border:#dbe1e8;--accent:#0b5fb8;--accent-strong:#084a91;--accent-soft:#e8f1fb;--accent-tint:#c9def5;--good:#137a3f;--good-soft:#e5f4eb;--warn:#8f5400;--warn-soft:#fdf2df;--radius:14px;--shadow:0 1px 2px #1018280d, 0 4px 16px #1018280f;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0e131a;--surface:#161d26;--surface-2:#1c2530;--text:#e6ebf1;--muted:#9ba7b5;--border:#2a3542;--accent:#5ba8ef;--accent-strong:#88c0f4;--accent-soft:#14283c;--accent-tint:#1f4266;--good:#5cc98b;--good-soft:#12291c;--warn:#f0b55a;--warn-soft:#2d2312;--shadow:none;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:1040px;margin:0 auto;padding:0 16px}a{color:var(--accent);text-underline-offset:2px}a:hover{color:var(--accent-strong)}h1,h2,h3{letter-spacing:-.01em;line-height:1.2}h1{margin:.4rem 0 .6rem;font-size:clamp(1.8rem,4.5vw,2.6rem)}h2{margin-top:3rem;font-size:1.5rem}h3{margin-top:1.75rem;font-size:1.12rem}.muted{color:var(--muted)}.small{font-size:.88rem}.lead{color:var(--muted);max-width:46rem;margin:0;font-size:1.12rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{position:absolute;left:-9999px}.skip:focus{background:var(--surface);z-index:50;border-radius:8px;padding:8px 12px;top:8px;left:16px}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.header-inner{justify-content:space-between;align-items:center;gap:16px;min-height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-size:1.12rem;font-weight:750;text-decoration:none;display:inline-flex}.brand img{border-radius:7px;display:block}.site-header nav{gap:4px;display:flex}.site-header nav a{white-space:nowrap;color:var(--muted);border-radius:8px;padding:6px 10px;font-size:.95rem;font-weight:550;text-decoration:none}.site-header nav a:hover{color:var(--text);background:var(--surface-2)}.site-header nav a[aria-current=page]{color:var(--accent);background:var(--accent-soft)}@media (width<=600px){.header-inner{flex-wrap:wrap;gap:2px 12px;min-height:0;padding-top:10px;padding-bottom:6px}.site-header nav{scrollbar-width:none;width:calc(100% + 20px);margin:0 -10px;overflow-x:auto}.site-header nav::-webkit-scrollbar{display:none}.site-header nav a{padding:6px 10px;font-size:.9rem}}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:5rem;padding:2.5rem 0 1.5rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:24px;display:flex}.footer-inner p{margin:6px 0 0}.footer-links{flex-direction:column;gap:6px;display:flex}.footer-links a{text-decoration:none}.fine{margin-top:1.5rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.breadcrumb{color:var(--muted);margin-top:1.5rem;font-size:.85rem}.breadcrumb ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li+li:before{content:"›";margin-right:6px}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.badges{color:var(--muted);flex-wrap:wrap;gap:8px 16px;margin:14px 0 0;padding:0;font-size:.9rem;list-style:none;display:flex}.badges li{align-items:center;gap:6px;display:inline-flex}.badges svg{color:var(--good)}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;border-bottom:1px solid var(--border);padding:11px 10px}tbody tr:last-child td{border-bottom:0}th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem;font-weight:600}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.table-scroll{padding:6px 10px;overflow-x:auto}label{margin-bottom:4px;font-size:.88rem;font-weight:600;display:block}input,select,button{font:inherit;color:inherit}input,select{border:1px solid var(--border);background:var(--surface);border-radius:9px;width:100%;min-height:42px;padding:8px 10px}input:hover,select:hover{border-color:var(--accent-tint)}input:focus-visible,select:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}select:disabled{opacity:.55}.btn{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:9px;justify-content:center;align-items:center;gap:6px;min-height:40px;padding:8px 14px;font-size:.93rem;font-weight:550;display:inline-flex}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}@media (prefers-color-scheme:dark){.btn-primary,.btn-primary:hover{color:#0e131a}}details>summary{cursor:pointer;font-weight:600}.faq details{border-bottom:1px solid var(--border);padding:14px 0}.faq summary{justify-content:space-between;gap:12px;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--muted);font-size:1.3rem;font-weight:400;line-height:1}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);margin:10px 0 0}.prose{max-width:46rem}.answer{border-left:4px solid var(--accent);margin:20px 0 8px}.answer p:last-child{margin:4px 0 0}.answer .eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0;font-size:.78rem;font-weight:700}.tbl-h{margin:1.5rem 0 .6rem}.mini{max-width:46rem}.related{padding-left:1.2rem}.related li{margin:6px 0}