:root{--bg:#f7f8fb;--card:#fff;--ink:#0f172a;--mut:#5b6474;--line:#e5e8ef;--brand:#2453ff;--brand2:#0ea5a4;--soft:#eef2ff;--ok:#0f7b4b;--okbg:#e7f7ef}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;gap:16px;min-height:62px;flex-wrap:wrap}
.logo{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.logo span.mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:15px}
nav.main{display:flex;gap:18px;margin-left:auto;align-items:center;flex-wrap:wrap}
nav.main a{color:var(--mut);font-weight:500;font-size:15px}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;background:var(--brand);color:#fff!important;font-weight:600;border:0;cursor:pointer;font-size:15px;text-decoration:none!important}
.btn.alt{background:#fff;color:var(--ink)!important;border:1px solid var(--line)}
.btn.sk{background:#111827}
.hero{padding:44px 0 18px}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.1;letter-spacing:-.03em;margin:0 0 12px}
.hero p{font-size:18px;color:var(--mut);max-width:720px;margin:0}
.crumbs{font-size:14px;color:var(--mut);margin:22px 0 0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.filters{display:grid;gap:12px;margin:22px 0 10px}
.search{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:12px;font-size:16px;background:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;font-size:14px;cursor:pointer;color:var(--ink)}
.chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.flabel{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);font-weight:700;margin-bottom:6px}
.count{color:var(--mut);font-size:14px;margin:8px 0 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 8px 28px rgba(15,23,42,.08);transform:translateY(-1px)}
.card h3{margin:0;font-size:18px}.card h3 a{color:var(--ink)}
.card p{margin:0;color:var(--mut);font-size:15px}
.cat{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--soft);border-radius:999px;padding:3px 10px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;border-radius:6px;padding:3px 8px;background:var(--okbg);color:var(--ok);font-weight:600}
.tag.none{background:#f1f2f5;color:var(--mut);font-weight:500}
.meta{font-size:13px;color:var(--mut);margin-top:auto}
.callout{margin:28px 0;padding:20px;border-radius:16px;background:linear-gradient(135deg,#111827,#1e3a8a);color:#fff;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.callout p{margin:0;font-size:17px;font-weight:600;max-width:700px}
.callout a.btn{background:#fff;color:#111827!important}
.toolcta{margin-top:18px;padding:14px 16px;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;background:#f5f7ff;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.toolcta p{margin:0;font-size:15px;font-weight:600;max-width:620px}
.disc{margin:8px 0 0;font-size:13px;color:var(--mut)}
.cjoin{margin-top:10px;font-size:14px;color:var(--mut)}
.learn{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.learn .card h3{font-size:17px}
.news{margin:34px 0;display:grid;grid-template-columns:1.2fr 1fr;gap:16px;align-items:center}
.news h2{margin:0 0 6px;font-size:22px}.news p{margin:0;color:var(--mut)}
form.inline{display:flex;gap:8px;flex-wrap:wrap}
input,textarea,select{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}
form.inline input{flex:1;min-width:200px;width:auto}
.formmsg{font-size:14px;color:var(--ok);margin-top:8px;display:none;flex-basis:100%}.formmsg.err{color:#b42318}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.formgrid select,.formgrid textarea{font:inherit}
.two{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-top:20px}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:15px}.kv dt{color:var(--mut)}.kv dd{margin:0}
.note{font-size:14px;color:var(--mut);background:#fffbea;border:1px solid #f5e7a8;border-radius:10px;padding:10px 12px}
.amslist{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.amslist a{display:flex;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink);font-weight:600}
.amslist a span{color:var(--mut);font-weight:500}
h2.sec{font-size:24px;letter-spacing:-.02em;margin:34px 0 14px}
footer.site{margin-top:50px;background:#0f172a;color:#cbd5e1;padding:34px 0;font-size:14px}
footer.site a{color:#fff}footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.formgrid{display:grid;gap:14px;max-width:640px}.formgrid label{font-weight:600;font-size:14px;display:grid;gap:6px}
@media (max-width:760px){.two,.news,footer.site .cols{grid-template-columns:1fr}nav.main{margin-left:0;gap:12px;width:100%;padding-bottom:10px}nav.main .hide-sm{display:none}.hero{padding-top:28px}.grid{grid-template-columns:1fr}}