:root{
  --navy:#0B1F8F; --navy-dark:#071570; --navy-deep:#050E45;
  --accent:#FFC83D; --accent-dark:#E3A90F;
  --ink:#161B33; --muted:#59617C; --bg:#F5F7FF; --card:#fff; --line:#E1E6F5; --mint:#E6F7F1; --ok:#1E8E3E;
  --r:20px; --shadow:0 12px 32px rgba(11,31,143,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17.5px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--navy)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* Меню */
.nav{position:sticky;top:0;z-index:45;background:rgba(7,21,112,.97);backdrop-filter:blur(8px);color:#fff;border-bottom:1px solid rgba(255,255,255,.10)}
.nav-in{display:flex;align-items:center;gap:20px;min-height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;line-height:1.15;flex:none}
.nav-brand small{display:block;font-weight:400;opacity:.7;font-size:12px}
.nav-logo{width:40px;height:40px;border-radius:10px;object-fit:cover;display:block}
.menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.menu a{color:#fff;text-decoration:none;font-size:15px;font-weight:600;padding:8px 11px;border-radius:10px;opacity:.88;white-space:nowrap}
.menu a:hover,.menu a.on{background:rgba(255,255,255,.13);opacity:1}
.menu a.nav-cta{margin-left:8px;background:var(--accent);color:#1A1500;font-weight:800;opacity:1;padding:12px 18px;border-radius:12px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;padding:11px 9px}
.burger span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1180px){.nav-brand small{display:none}}
@media (max-width:1040px){
  .burger{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:10px 16px 18px;background:#071570;border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 22px 30px rgba(0,0,0,.35)}
  .menu.open{display:flex}
  .menu a{padding:14px 12px;font-size:17px}
  .menu a.nav-cta{margin:10px 0 0;padding:16px;font-size:17px;text-align:center}
}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;background:var(--accent);color:#1A1500;font-family:inherit;font-weight:800;font-size:18px;line-height:1.2;padding:18px 28px;border-radius:14px;text-align:center;text-decoration:none;box-shadow:0 6px 0 var(--accent-dark),0 14px 26px rgba(227,169,15,.30);transition:transform .12s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:#fff;color:var(--navy);box-shadow:0 0 0 2px var(--navy) inset}

/* Страница статьи */
.page{padding:28px 0 64px}
.article{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:40px 44px;box-shadow:var(--shadow)}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.article h1{font-size:clamp(28px,4vw,40px);line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
.meta{color:var(--muted);font-size:14.5px;margin:0 0 22px}
.answer{background:var(--mint);border-left:5px solid var(--ok);border-radius:14px;padding:18px 22px;margin:0 0 24px}
.answer b{display:block;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--ok);margin-bottom:6px}
.answer p{margin:0;font-size:18px}
.toc{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 22px;margin:0 0 28px}
.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0;padding-left:22px}
.toc li{margin:3px 0}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
.article h2{font-size:clamp(23px,3vw,29px);line-height:1.2;margin:38px 0 12px;scroll-margin-top:84px}
.article h3{font-size:20px;margin:26px 0 8px}
.article p{margin:0 0 15px}
.article ul,.article ol{margin:0 0 16px;padding-left:24px}
.article li{margin:6px 0}
.table-wrap{overflow-x:auto;margin:0 0 18px}
.article table{border-collapse:collapse;width:100%;min-width:560px;font-size:15.5px}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article th{background:#E9EEFF;color:var(--navy-dark)}
.note{background:#FFF8E1;border-left:5px solid var(--accent-dark);border-radius:12px;padding:14px 18px;margin:0 0 18px;font-size:16.5px}
.cta-mini{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:linear-gradient(160deg,var(--navy-dark),var(--navy-deep));color:#fff;border-radius:18px;padding:20px 24px;margin:30px 0}
.cta-mini p{margin:0;font-size:17px;max-width:30em}
.cta-mini .btn{padding:14px 22px;font-size:16px}
.faq{margin-top:34px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;font-size:17.5px}
.faq details p{margin:10px 0 0;color:var(--ink)}
.cta-box{background:linear-gradient(160deg,var(--navy-dark),var(--navy-deep));color:#fff;border-radius:22px;padding:32px 30px;margin:40px 0 8px;text-align:center}
.cta-box h2{color:#fff;margin:0 0 10px;font-size:clamp(23px,3vw,30px)}
.cta-box p{margin:0 auto 18px;max-width:36em;opacity:.92}
.cta-box .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.related{max-width:800px;margin:36px auto 0}
.related h2{font-size:24px;margin:0 0 14px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.art{display:block;text-decoration:none;color:inherit;transition:transform .15s}
.art:hover{transform:translateY(-3px)}
.art .tag{display:inline-block;background:#E9EEFF;color:var(--navy);border-radius:99px;padding:4px 12px;font-size:13px;font-weight:700;margin-bottom:10px}
.art b{display:block;font-size:18.5px;line-height:1.25;margin-bottom:8px}
.art .d{display:block;color:var(--muted);font-size:15.5px}
.art .more{display:inline-block;margin-top:10px;font-weight:700;color:var(--navy);font-size:15px}

/* Список статей */
.hero-blog{background:radial-gradient(900px 400px at 85% -10%,#2B45D6 0%,transparent 60%),linear-gradient(160deg,var(--navy-dark),var(--navy-deep));color:#fff;padding:44px 0 48px}
.hero-blog h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;margin:0 0 12px}
.hero-blog p{font-size:19px;opacity:.9;margin:0;max-width:40em}
.hero-blog .crumbs{color:rgba(255,255,255,.7)}
.hero-blog .crumbs a{color:rgba(255,255,255,.85)}
.list{padding:40px 0 64px}
.list h2{font-size:24px;margin:34px 0 14px}

/* Подвал */
footer{background:linear-gradient(160deg,var(--navy-dark),var(--navy-deep));color:#C9D1F0;padding:36px 0 40px;text-align:center;font-size:14.5px;line-height:1.9}
footer a{color:#C9D1F0}

@media (max-width:860px){
  body{font-size:17px}
  .article{border-radius:0;border-left:0;border-right:0;padding:26px 18px}
  .page{padding:0 0 40px}
  .g3,.g2{grid-template-columns:1fr}
  .cta-mini{padding:18px}
  .cta-mini .btn,.cta-box .btn{width:100%}
  .related{padding:0 16px}
  .btn{width:auto}
}