body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  max-width: 860px;
  margin: 40px auto;
  padding: 0 18px;
  line-height: 1.55;
}

h1 {
  margin-bottom: 0.2em;
}

.meta {
  color: #666;
  font-size: 0.9rem;
}

.card {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid #ddd;
  border-radius: 12px;
}