:root { color-scheme: light; }
body {
  margin: 0;
  background: #f7f7f5;
  color: #1a1a1a;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
article {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}
h1.page-title {
  font-size: 1.6rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #ddd;
  padding-bottom: 0.75rem;
}
h1 { font-size: 1.25rem; margin-top: 2.5rem; }
h2 { font-size: 1.05rem; margin-top: 1.75rem; }
p, li { font-size: 0.95rem; }
blockquote {
  border-left: 3px solid #ccc;
  margin-left: 0;
  padding-left: 1rem;
  color: #444;
}
ul, ol { padding-left: 1.25rem; }
a { color: #0b5fff; word-break: break-word; }