:root {
  --bg: #f7f6f2;
  --fg: #1f1f1d;
  --muted: #6b6a66;
  --card: #ffffff;
  --line: #e4e2dc;
  --accent: #2f5bea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161a;
    --fg: #ececea;
    --muted: #9b9a95;
    --card: #1e2027;
    --line: #2c2f38;
    --accent: #7c9bff;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 16px 48px;
}

.hero {
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero h1 { margin-bottom: 4px; }

.crest {
  flex: 0 0 auto;
  border-radius: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.2;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 60ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}

a.card {
  display: block;
  color: inherit;
  text-decoration: none;
}

a.card:hover, a.card:focus-visible { border-color: var(--accent); }

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.foot {
  margin-top: 56px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}