:root {
  --ink: #12345c;
  --muted: #5b718c;
  --line: #d7e5f6;
  --soft: #f3f8ff;
  --brand: #1767d1;
  --brand-dark: #0f4f9e;
  --surface: #fbfdff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
.site-header {
  max-width: 1220px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { font-weight: 800; color: var(--brand-dark); font-size: 22px; }
nav { display: flex; gap: 22px; color: var(--muted); font-size: 15px; flex-wrap: wrap; }
.hero {
  max-width: 1220px;
  margin: 20px auto 0;
  padding: 72px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.75fr);
  gap: 48px;
  align-items: center;
}
.eyebrow { color: var(--brand); font-weight: 700; margin: 0 0 14px; }
h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.12; margin: 0 0 22px; letter-spacing: 0; }
.lead { max-width: 68ch; font-size: 19px; color: #39597a; margin: 0; }
.actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn { padding: 13px 20px; border-radius: 8px; font-weight: 700; border: 1px solid var(--line); }
.btn-primary { background: var(--brand); color: #f8fbff; border-color: var(--brand); }
.btn-secondary { background: #ffffff; color: var(--brand-dark); }
.hero-panel {
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 18px 50px rgba(20, 67, 116, 0.09);
}
.panel-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #e8f0fb;
}
.panel-row:last-child { border-bottom: 0; }
.panel-row span { color: var(--brand); font-weight: 800; }
.panel-row strong { font-weight: 700; }
.content-band, .related {
  max-width: 1220px;
  margin: 0 auto;
  padding: 54px 24px;
}
.section-head { max-width: 760px; margin-bottom: 26px; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; margin: 0 0 12px; }
.section-head p { color: var(--muted); margin: 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
article, .offsite-card {
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 8px;
  padding: 24px;
}
article h3 { margin: 0 0 10px; font-size: 22px; }
article p { margin: 0; color: var(--muted); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.offsite-card { display: flex; flex-direction: column; gap: 8px; }
.offsite-card strong { color: var(--ink); }
.offsite-card span { color: var(--brand); font-weight: 700; }
.site-footer {
  margin-top: 32px;
  padding: 34px 24px;
  background: #12345c;
  color: #edf5ff;
  text-align: center;
}
.site-footer p { margin: 4px 0; }
@media (max-width: 860px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .grid { grid-template-columns: 1fr; }
}