:root {
  --bg: #ffffff;
  --surface: #f8f9fa;
  --card: #ffffff;
  --text: #000000;
  --muted: #000000;
  --primary: #0058bc;
  --border: rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.page {
  max-width: 840px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

h1 {
  margin: 0 0 8px;
  font-size: 32px;
  line-height: 1.2;
}

h2 {
  margin: 28px 0 10px;
  font-size: 20px;
  line-height: 1.3;
}

p,
li {
  font-size: 16px;
  line-height: 1.6;
}

ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.updated {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}