:root{
  --bg:#f6f8fb;--surface:#fff;--text:#14213d;--muted:#5b6678;--line:#e2e8f0;
  --brand:#0b6e4f;--brand-dark:#084c37;--accent:#e8f5ef;--warn:#fff7e0;--warn-line:#f0d98a;
  --radius:14px;--shadow:0 1px 2px rgba(20,33,61,.06),0 8px 24px rgba(20,33,61,.06);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0e1522;--surface:#162032;--text:#e8edf5;--muted:#9aa7bb;--line:#26324a;--brand:#3ccf9a;--brand-dark:#7be3bd;--accent:#12302a;--warn:#2d2711;--warn-line:#5c4f1c;--shadow:none}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand);text-underline-offset:3px}
a:hover{color:var(--brand-dark)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.25rem;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.logo span{color:var(--brand)}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:var(--text);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:500}
nav.main a:hover,nav.main a[aria-current="page"]{background:var(--accent);color:var(--brand-dark)}
.hero{padding:56px 0 36px}
.hero h1{font-size:clamp(2rem,5vw,3rem);line-height:1.12;letter-spacing:-.03em;margin:0 0 14px;max-width:760px}
.hero p{font-size:1.15rem;color:var(--muted);max-width:660px;margin:0 0 8px}
h2{font-size:1.55rem;letter-spacing:-.02em;line-height:1.25;margin:2.2em 0 .6em}
h3{font-size:1.2rem;margin:1.6em 0 .4em}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);text-decoration:none;color:var(--text);display:block;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--text)}
.card h3{margin:0 0 6px;font-size:1.1rem}
.card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}
.tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark);background:var(--accent);padding:3px 9px;border-radius:99px;margin-bottom:10px}
main{padding-bottom:56px}
article.doc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,4vw,44px);box-shadow:var(--shadow);margin-top:28px}
article.doc h1{font-size:clamp(1.8rem,4.5vw,2.5rem);line-height:1.15;letter-spacing:-.03em;margin:0 0 10px}
article.doc .lead{font-size:1.15rem;color:var(--muted);margin:0 0 6px}
.meta{font-size:.85rem;color:var(--muted);margin:0 0 24px}
article.doc p,article.doc li{max-width:72ch}
article.doc ul,article.doc ol{padding-left:1.3em}
article.doc li{margin:.3em 0}
.crumbs{font-size:.88rem;color:var(--muted);margin-top:22px}
.crumbs a{color:var(--muted)}
.note{background:var(--warn);border:1px solid var(--warn-line);border-radius:10px;padding:14px 16px;font-size:.93rem;margin:1.4em 0}
.tool{background:var(--accent);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(16px,3vw,28px);margin:24px 0}
.tool form{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}
.field small{display:block;color:var(--muted);font-size:.8rem;margin-top:4px;line-height:1.35}
.field input,.field select{width:100%;padding:11px 12px;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;min-height:46px}
.field input:focus,.field select:focus{outline:2px solid var(--brand);outline-offset:1px}
.btn{grid-column:1/-1;justify-self:start;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:13px 26px;font:inherit;font-weight:700;cursor:pointer;min-height:48px}
@media (prefers-color-scheme:dark){.btn{color:#06251b}}
.btn:hover{background:var(--brand-dark);color:#fff}
.result{margin-top:20px;display:none}
.result.show{display:block}
.big{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:12px}
.big .label{font-size:.85rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.big .value{font-size:clamp(1.8rem,5vw,2.4rem);font-weight:800;letter-spacing:-.02em;color:var(--brand-dark);line-height:1.2}
.rows{width:100%;border-collapse:collapse;background:var(--surface);border-radius:10px;overflow:hidden;font-size:.95rem}
.rows td,.rows th{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left}
.rows td:last-child,.rows th:last-child{text-align:right;white-space:nowrap}
.rows tr:last-child td{border-bottom:0}
.rows th{background:var(--accent);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.scroll{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem}
table.data th,table.data td{border:1px solid var(--line);padding:9px 12px;text-align:left}
table.data th{background:var(--accent)}
.err{color:#b3261e;font-weight:600;margin-top:10px}
details.faq{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0;background:var(--surface)}
details.faq summary{cursor:pointer;font-weight:600}
details.faq p{margin:10px 0 0}
.related{margin-top:40px}
footer.site{border-top:1px solid var(--line);background:var(--surface);padding:32px 0;font-size:.9rem;color:var(--muted)}
footer.site .cols{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap}
footer.site a{color:var(--muted)}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;gap:6px 18px;flex-wrap:wrap}
.disclaimer{margin-top:16px;font-size:.82rem}
@media (max-width:560px){body{font-size:16px}.hero{padding:36px 0 24px}nav.main a{padding:7px 9px;font-size:.9rem}}