body {
  font-family: system-ui, sans-serif;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 16px;
  line-height: 1.6;
  color: #222;
}

h1 { margin-bottom: 0; }
h2 { margin-top: 28px; }

.meta {
  color: #666;
  margin-bottom: 24px;
}