* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #f8fafc;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 16px;
}

header {
  border-bottom: 1px solid #e5e7eb;
  background: #ffffff;
}

nav a {
  margin-right: 16px;
  color: #2563eb;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

main {
  background: #ffffff;
}

article {
  padding: 12px 0;
  border-bottom: 1px solid #e5e7eb;
}

h1, h2, h3 {
  margin-top: 0;
}

.meta {
  color: #6b7280;
  font-size: 0.95rem;
}

footer {
  color: #6b7280;
  font-size: 0.95rem;
}