:root{
  --bg:#f8fafc;
  --ink:#0f172a;
  --muted:#475569;
  --line:#e5e7eb;
  --blue:#1d4ed8;
  --cyan:#0ea5e9;
  --soft:#eff6ff;
  --dark:#020617;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.72;
}
a{color:var(--blue);font-weight:800}
main{max-width:1160px;margin:0 auto;padding:52px 20px 76px}
.breadcrumb{font-size:14px;color:#64748b;margin-bottom:18px}
.hero{
  padding:clamp(30px,5vw,58px);
  border-radius:8px;
  background:
    linear-gradient(135deg,#020617,#123b74 48%,#1d4ed8);
  color:white;
  box-shadow:0 30px 90px rgba(15,23,42,.24);
}
.badge{
  display:inline-flex;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  color:#dbeafe;
  padding:8px 13px;
  border-radius:999px;
  font-size:14px;
  font-weight:900;
  margin-bottom:20px;
}
h1{
  font-size:clamp(34px,5vw,68px);
  line-height:1.08;
  letter-spacing:0;
  margin:0 0 20px;
}
.hero p{max-width:880px;font-size:19px;color:#dbeafe;margin:0}
.keyword-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.keyword-list span{
  border:1px solid rgba(191,219,254,.8);
  background:rgba(239,246,255,.96);
  color:var(--blue);
  padding:7px 11px;
  border-radius:999px;
  font-size:13px;
  font-weight:900;
}
.grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:28px}
.card{
  border:1px solid var(--line);
  border-radius:8px;
  padding:clamp(22px,4vw,32px);
  background:white;
  box-shadow:0 18px 55px rgba(15,23,42,.06);
  margin-top:22px;
}
.card.highlight{background:linear-gradient(180deg,#fff,#f8fbff)}
.card.dark{background:linear-gradient(135deg,#020617,#1d4ed8);color:white}
.card.dark p,.card.dark li{color:#dbeafe}
.card.dark a{color:#bfdbfe}
h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.16;
  margin:0 0 12px;
  letter-spacing:0;
}
h3{font-size:20px;line-height:1.25;margin:20px 0 8px}
ul{padding-left:22px}
li{margin:8px 0}
.faq details{
  border:1px solid var(--line);
  border-radius:8px;
  padding:18px 20px;
  margin:12px 0;
  background:#fff;
}
.faq summary{cursor:pointer;font-weight:900;color:#0f172a}
.resource-list{display:grid;grid-template-columns:1fr;gap:18px}
.resource-link{
  display:block;
  text-decoration:none;
  color:inherit;
  border:1px solid var(--line);
  border-radius:8px;
  padding:22px;
  background:white;
  box-shadow:0 16px 45px rgba(15,23,42,.05);
}
.resource-link strong{display:block;color:#0f172a;font-size:20px;margin-bottom:8px}
.resource-link span{display:block;color:#475569;font-weight:500}
.footer-links{
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
  color:var(--muted);
}
@media(min-width:860px){
  .grid{grid-template-columns:1.15fr .85fr}
  .resource-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}