:root {
  --bg: #f5f8ff;
  --card: rgba(255,255,255,.9);
  --text: #172033;
  --muted: #64708a;
  --line: #dce4f3;
  --accent: #356df3;
  --accent-dark: #2454c7;
  --shadow: 0 20px 60px rgba(40, 70, 130, .12);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(91,139,255,.18), transparent 30%),
    radial-gradient(circle at 90% 5%, rgba(153,197,255,.2), transparent 27%),
    var(--bg);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
.wrap { width: min(960px, calc(100% - 32px)); margin: 0 auto; }
header {
  padding: 26px 0;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(245,248,255,.78);
  border-bottom: 1px solid rgba(220,228,243,.8);
}
nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-weight: 800; letter-spacing: -.02em; color: var(--text); }
.navlinks { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }
.hero { padding: 96px 0 56px; }
.hero-card, .content-card {
  background: var(--card);
  border: 1px solid rgba(220,228,243,.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: clamp(34px, 7vw, 70px); }
.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: #e9f0ff;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 22px;
}
h1, h2, h3 { line-height: 1.2; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 7vw, 72px); margin: 0 0 18px; }
h2 { font-size: 30px; margin: 42px 0 14px; }
h3 { font-size: 20px; margin: 28px 0 10px; }
.lead { font-size: 20px; color: var(--muted); max-width: 700px; margin: 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: white;
}
.button.primary { background: var(--accent); color: white; border-color: var(--accent); }
main { padding-bottom: 72px; }
.content-card { padding: clamp(28px, 5vw, 54px); margin: 28px 0; }
.meta {
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 26px;
}
ul { padding-left: 22px; }
.notice {
  padding: 18px 20px;
  border-radius: 16px;
  background: #eef4ff;
  border: 1px solid #d8e5ff;
  margin: 24px 0;
}
footer {
  padding: 34px 0 50px;
  color: var(--muted);
  font-size: 14px;
}
.footer-row { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
@media (max-width: 700px) {
  header { position: static; }
  nav { align-items: flex-start; flex-direction: column; }
  .hero { padding-top: 48px; }
}