:root{
  --core-bg:#f6f8fc;
  --core-panel:#ffffff;
  --core-ink:#0f172a;
  --core-muted:#5f6b7a;
  --core-line:#d9e2ee;
  --core-blue:#2f6bec;
  --core-violet:#6547e8;
  --core-green:#0f8a53;
  --core-warn:#fff8e6;
  --core-shadow:0 18px 55px rgba(15,23,42,.08);
  --core-radius:24px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#fff 0%,var(--core-bg) 100%);
  color:var(--core-ink);
}
a{color:inherit}
.core-topbar{
  min-height:70px;
  background:#fff;
  border-bottom:1px solid var(--core-line);
  display:flex;
  align-items:center;
}
.core-topbar-inner{
  width:min(1380px,calc(100% - 40px));
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.core-brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  font-weight:900;
  font-size:20px;
}
.core-dot{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--core-violet),var(--core-blue));
  display:inline-grid;place-items:center;color:#fff;
}
.core-dot::after{
  content:"";width:10px;height:10px;border-radius:50%;background:#fff;opacity:.75;
}
.core-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.core-pill{
  border:1px solid var(--core-line);
  background:#fff;
  color:var(--core-ink);
  border-radius:999px;
  padding:10px 16px;
  text-decoration:none;
  font-weight:800;
  white-space:nowrap;
}
.core-pill.primary{background:var(--core-blue);border-color:var(--core-blue);color:#fff}
.core-shell{width:min(1380px,calc(100% - 40px));margin:0 auto;padding:42px 0}
.core-hero{
  background:linear-gradient(135deg,#fff,#f4f7ff);
  border:1px solid var(--core-line);
  border-radius:32px;
  box-shadow:var(--core-shadow);
  padding:44px;
  margin-bottom:28px;
}
.core-hero h1{font-size:clamp(36px,5vw,62px);line-height:1;margin:0 0 14px;letter-spacing:-.05em}
.core-hero p{font-size:19px;line-height:1.65;color:var(--core-muted);max-width:880px;margin:0}
.core-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.core-card{
  background:var(--core-panel);
  border:1px solid var(--core-line);
  border-radius:var(--core-radius);
  box-shadow:var(--core-shadow);
  padding:24px;
  text-decoration:none;
  min-height:190px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;
}
.core-card:hover{transform:translateY(-2px);border-color:#bfd0e8;box-shadow:0 24px 65px rgba(15,23,42,.11)}
.core-card h2{margin:0 0 8px;font-size:26px;letter-spacing:-.03em}
.core-card p{margin:0;color:var(--core-muted);line-height:1.55}
.core-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.core-tag{
  border:1px solid #d8e1ef;
  background:#f7faff;
  color:#3560b5;
  border-radius:999px;
  padding:6px 10px;
  font-size:12px;
  font-weight:900;
  white-space:nowrap;
}
.core-section{margin-top:34px}
.core-section h2{font-size:30px;margin:0 0 14px;letter-spacing:-.03em}
.core-muted{color:var(--core-muted)}
.core-alert{
  border:1px solid #f2d39a;
  background:var(--core-warn);
  color:#7a3d00;
  border-radius:18px;
  padding:16px 18px;
  margin:18px 0;
}
.core-footer{
  color:var(--core-muted);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:34px 0 10px;
}
@media(max-width:760px){
  .core-topbar-inner,.core-shell{width:min(100% - 24px,1380px)}
  .core-topbar-inner{align-items:flex-start;flex-direction:column;padding:14px 0}
  .core-hero{padding:28px}
}