:root {
  color-scheme: light;
  --text: #1c1c1e;
  --muted: #6b6b70;
  --border: #e5e5ea;
  --bg: #fafafa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
}

h2 {
  font-size: 18px;
  font-weight: 650;
  margin: 28px 0 10px;
}

p { margin: 0 0 12px; }

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.links li {
  border-top: 1px solid var(--border);
}

.links a {
  display: block;
  padding: 14px 0;
  color: var(--text);
  text-decoration: none;
}

.links a:hover { text-decoration: underline; }

.footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

a { color: #0b57d0; }