:root {
  --ink: #172033;
  --muted: #5d687a;
  --line: #dfe6ef;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --navy: #0d2b52;
  --blue: #1f66b3;
  --teal: #168a8a;
  --gold: #b9802a;
  --shadow: 0 16px 40px rgba(13, 43, 82, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; overflow-wrap: anywhere; }
img { display: block; max-width: 100%; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 260px; }
.brand img { width: 46px; height: 46px; object-fit: contain; border-radius: 8px; box-shadow: 0 8px 22px rgba(13,43,82,.12); }
.brand strong { display: block; font-size: 18px; line-height: 1.2; }
.brand span { display: block; color: var(--muted); font-size: 12px; }
.nav-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-links a { padding: 10px 12px; color: #334155; font-size: 14px; border-radius: 6px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: #eaf2fb; color: var(--blue); }
.phone-link { color: var(--navy); font-weight: 800; white-space: nowrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(31,102,179,.22);
}
.button.secondary { background: #fff; color: var(--navy); border-color: rgba(13,43,82,.16); box-shadow: none; }
.hero {
  background:
    linear-gradient(90deg, rgba(8,27,53,.96), rgba(13,43,82,.82) 48%, rgba(13,43,82,.52)),
    radial-gradient(circle at 75% 30%, rgba(22,138,138,.35), transparent 30%),
    linear-gradient(135deg, #0d2b52, #174b84);
  color: #fff;
}
.hero .container { padding: 86px 0 96px; }
.eyebrow { margin: 0 0 16px; color: #d9f6ef; font-weight: 800; }
h1 { margin: 0; font-size: clamp(36px, 4.8vw, 64px); line-height: 1.1; letter-spacing: 0; }
.hero p { max-width: 760px; color: rgba(255,255,255,.88); font-size: 19px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 36px; max-width: 820px; }
.hero-metrics div { padding: 18px; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: rgba(255,255,255,.08); }
.hero-metrics strong { display: block; font-size: 26px; }
.section { padding: 72px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 820px; margin-bottom: 32px; }
.section-kicker { margin: 0 0 10px; color: var(--teal); font-weight: 800; }
h2 { margin: 0 0 14px; color: var(--navy); font-size: clamp(28px, 3vw, 42px); line-height: 1.18; }
.lead { color: var(--muted); font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(13,43,82,.06);
}
.card h3 { margin: 0 0 10px; color: var(--navy); font-size: 21px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card a { color: var(--blue); font-weight: 800; }
.facts { display: grid; gap: 12px; }
.facts div { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font-weight: 700; }
.facts dd { margin: 0; font-weight: 700; }
.credential {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: start;
}
.credential img { border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--gold);
  background: #fff8ed;
  color: #4f3515;
  border-radius: 0 8px 8px 0;
}
.site-footer { background: #0b203c; color: rgba(255,255,255,.82); padding: 44px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 24px; }
.site-footer strong { display: block; color: #fff; margin-bottom: 8px; }
.site-footer a { color: #d9f6ef; }
.footer-bottom { margin-top: 26px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.65); font-size: 14px; }

@media (max-width: 900px) {
  .nav { align-items: flex-start; padding: 12px 0; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .hero-metrics, .grid, .grid.two, .credential, .footer-grid { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: 4px; }
}