:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f4f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 32px 16px;
  line-height: 1.75;
}

.card {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 48px);
  background: #fff;
  border: 1px solid #dfe6f0;
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(38, 55, 82, 0.08);
}

.eyebrow {
  margin: 0 0 4px;
  color: #166b58;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1 { margin: 0 0 8px; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.2; }
h2 { margin: 32px 0 8px; font-size: 1.25rem; }
p, ul { margin: 8px 0; }
a { color: #0866c6; }
.updated, .muted { color: #60708a; }
.links { display: grid; gap: 12px; margin: 24px 0; }
.links a { padding: 14px 18px; border-radius: 12px; background: #e8f4f1; font-weight: 700; text-decoration: none; }
.back { margin-top: 36px; padding-top: 20px; border-top: 1px solid #e3e8ef; }