:root{--g:#1e3a8a;--g2:#2b50b8;--y:#e1000f;--ink:#0f1b33;--mut:#55627a;--bg:#f5f7fb;--line:#d8e0ef}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
header{background:#fff;border-bottom:1px solid var(--line)}header::before{content:"";display:block;height:5px;background:linear-gradient(90deg,#1e3a8a 0 33.3%,#fff 33.3% 66.6%,#e1000f 66.6%)}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}
.top{display:flex;align-items:center;justify-content:space-between;height:76px;gap:14px}
.brand{display:flex;gap:11px;align-items:center;text-decoration:none}.brand img{flex:none}
.bt b{display:block;font-weight:900;font-size:21px;letter-spacing:.01em;line-height:1}.bf{color:#1e3a8a}.ba{color:#e1000f}
.bt small{display:inline-block;font-style:italic;color:#1e3a8a;font-size:12.5px;margin-top:5px;padding-bottom:3px;border-bottom:2px solid #e1000f}
.hcta{background:var(--y);color:#fff;text-decoration:none;font-weight:800;border-radius:10px;padding:10px 14px;font-size:14px;white-space:nowrap}
nav.menu{background:#fff;border-bottom:1px solid var(--line)}nav.menu .wrap{display:flex;gap:22px;overflow-x:auto;white-space:nowrap}
nav.menu a{display:inline-block;padding:11px 0;color:var(--ink);text-decoration:none;font-weight:600;font-size:14.5px;border-bottom:3px solid transparent}
nav.menu a:hover,nav.menu a[aria-current]{color:var(--g);border-color:var(--y)}
@media(max-width:560px){.bt b{font-size:18px}.bt small{font-size:11.5px}.hcta{display:none}}
.crumb{font-size:13px;color:var(--mut);margin:18px 0 0}.crumb a{color:var(--mut)}
article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 30px;margin:14px 0 30px}
@media(max-width:600px){article{padding:20px 18px}}
article h1{font-size:clamp(26px,3.6vw,38px);line-height:1.12;margin:0 0 12px;letter-spacing:-.02em;color:var(--ink)}
article h2{font-size:23px;margin:30px 0 8px;color:var(--g)}article h3{font-size:18px;margin:20px 0 6px}
article p,article li{color:#26375c}article a{color:var(--g)}
.intro{font-size:18px;color:var(--mut)}
.upd{font-size:13px;color:var(--mut)}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}th,td{border:1px solid var(--line);padding:10px;text-align:left}th{background:#eef2fb}
.box{background:#eef2fb;border-left:4px solid var(--g);border-radius:10px;padding:14px 16px;margin:16px 0}
.warn{background:#fff4f4;border-left-color:var(--y)}
.cta{background:var(--g);color:#fff;border-radius:16px;padding:22px;margin:28px 0 6px;text-align:center}
.cta h2{color:#fff;margin:0 0 8px}.cta p{color:#dbe3f2;margin:0 0 14px}
.cta a{display:inline-block;background:var(--y);color:#fff;text-decoration:none;font-weight:800;border-radius:12px;padding:13px 22px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}@media(max-width:760px){.cards{grid-template-columns:1fr}}
.cards a{display:block;background:#f8faff;border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink)}
.cards a b{display:block;color:var(--g);margin-bottom:4px}.cards a span{font-size:14px;color:var(--mut)}
footer{background:#0b1530;color:#b8c3d9;font-size:13px;padding:24px 0}footer a{color:#dbe3f2}
.fnav{margin-bottom:10px}.fnav a{margin-right:14px}
.frenov{background:#fff;border-top:1px solid var(--line)}.frenov a{display:block;max-width:1040px;margin:0 auto;padding:14px 18px;text-decoration:none;color:#0f1b33;font-size:14.5px;font-weight:600;text-align:center}.frenov u{color:#1e3a8a}
.calc{background:#f8faff;border:1px solid var(--line);border-radius:16px;padding:18px;margin:18px 0}
.calc label{display:block;font-weight:700;margin:10px 0 4px}.calc input,.calc select{width:100%;max-width:320px;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:16px}
.calc .row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media(max-width:760px){.calc .row{grid-template-columns:1fr}}
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}@media(max-width:760px){.res{grid-template-columns:1fr}}
.res div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}.res b{display:block;font-size:24px;color:var(--g)}.res small{color:var(--mut)}
.deps{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}.deps a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:14px;text-decoration:none;color:inherit;background:#fff}.deps a:hover{border-color:#9db2e8;background:#eef2fb}
.banner{position:relative;margin:6px 0 22px;border-radius:18px;overflow:hidden;box-shadow:0 14px 36px rgba(15,27,51,.12)}.banner img{display:block;width:100%;height:clamp(200px,32vw,340px);object-fit:cover}.banner figcaption{position:absolute;right:10px;bottom:6px;font-size:11px;color:rgba(255,255,255,.85);text-shadow:0 1px 3px rgba(0,0,0,.6)}