:root {
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
  color: #111;
  background: #fafafa;
}
body {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}
header nav a {
  font-weight: 600;
}
.meta {
  font-size: 0.85rem;
  color: #444;
}
h1 {
  font-size: 1.55rem;
  margin-top: 1.5rem;
}
h2 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.25rem;
}
h3 {
  font-size: 1.05rem;
  margin-top: 1rem;
}
blockquote {
  margin: 0.75rem 0;
  padding: 0.5rem 0.75rem;
  background: #f0f4f8;
  border-left: 4px solid #369;
}
table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.75rem 0;
  font-size: 0.95rem;
}
th,
td {
  border: 1px solid #bbb;
  padding: 0.35rem 0.5rem;
}
th {
  background: #e8eef5;
}
ul.summary-list li {
  margin-bottom: 0.75rem;
}
code {
  font-size: 0.88em;
  background: #eee;
  padding: 0 0.25rem;
}
footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: #555;
}