:root{
  --primary:#4F46E5; --primary-dk:#3F37C9; --accent:#10B981;
  --ink:#1F2430; --muted:#6B7180; --line:#E7E9F3;
  --bg:#FFFFFF; --bg-soft:#F6F7FC; --sidebar:#0F1629;
  --radius:16px; --shadow:0 10px 40px rgba(79,70,229,.12); --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto}
.grad{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:11px}
.brand .emb{width:38px;height:38px}
.brand b{font-size:22px;font-weight:800;letter-spacing:.2px}
.brand span{font-size:9px;letter-spacing:2.5px;text-transform:uppercase;color:var(--muted);display:block;margin-top:-4px}
.menu{display:flex;align-items:center;gap:24px}
.menu a{font-size:14px;color:var(--muted);font-weight:600}
.menu a:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;border-radius:10px;padding:11px 20px;font-size:14px;cursor:pointer;border:none;transition:transform .12s,box-shadow .12s}
.menu a.btn-primary,.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(79,70,229,.28)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--line)}
.btn-lg{padding:14px 26px;font-size:15px}

.crumbs{font-size:13px;color:var(--muted);padding-top:22px}
.crumbs a{color:var(--primary)}
.page-hero{padding:34px 0 46px;background:radial-gradient(900px 420px at 80% -10%,#EEF0FB 0,transparent 60%)}
.pill{display:inline-flex;align-items:center;gap:8px;background:#EEF0FB;color:var(--primary-dk);font-weight:700;font-size:12.5px;padding:6px 14px;border-radius:30px;margin-bottom:18px}
.page-hero h1{font-size:42px;line-height:1.12;letter-spacing:-.8px;font-weight:800;margin-bottom:16px}
.page-hero .lead{font-size:18px;color:var(--muted);max-width:680px;margin-bottom:26px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

.prose{padding:10px 0 30px}
.prose h2{font-size:27px;font-weight:800;letter-spacing:-.4px;margin:44px 0 12px}
.prose h3{font-size:18px;font-weight:800;margin:22px 0 6px}
.prose p{color:#3B4150;margin-bottom:14px;font-size:16px}
.prose ul{margin:0 0 16px 22px;color:#3B4150}
.prose li{margin-bottom:7px}
.prose strong{color:var(--ink)}
.prose a{color:var(--primary);font-weight:600}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:18px 0 8px}
.step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.step .n{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.prose .step h3{font-size:15.5px;margin:0 0 5px}
.prose .step p{font-size:14px;color:var(--muted);margin:0}

.note{background:#EEF0FB;border-left:4px solid var(--primary);border-radius:10px;padding:14px 18px;margin:18px 0;font-size:15px;color:#2E3345}

.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;background:#fff}
.faq summary{font-weight:700;cursor:pointer;font-size:16px}
.faq details p{margin:10px 0 0}

.band{background:linear-gradient(135deg,var(--sidebar),#1E2A52);color:#fff;border-radius:24px;padding:48px 32px;text-align:center;margin:50px 0 20px}
.band h2{font-size:28px;font-weight:800;margin-bottom:10px;color:#fff}
.band p{color:rgba(255,255,255,.75);font-size:16px;max-width:560px;margin:0 auto 24px}
.band .btn-primary{background:#fff;color:var(--primary)}

.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0 40px}
.related a{display:block;border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff;transition:box-shadow .15s}
.related a:hover{box-shadow:var(--shadow)}
.related b{display:block;font-size:15px;margin-bottom:3px}
.related span{font-size:13.5px;color:var(--muted)}

footer{padding:48px 0 30px;border-top:1px solid var(--line);color:var(--muted);background:#fff}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:26px}
.foot-brand p{font-size:13.5px;max-width:300px;margin-top:12px}
.foot-cols{display:flex;gap:50px;flex-wrap:wrap}
.foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--ink);margin-bottom:12px}
.foot-col a{display:block;font-size:14px;margin-bottom:8px}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{border-top:1px solid var(--line);padding-top:18px;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:900px){.menu .lnk{display:none}.page-hero h1{font-size:34px}}
@media(max-width:560px){.page-hero h1{font-size:29px}.prose h2{font-size:23px}}