.app-header { display: none; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f9ff;
  color: #0f172a;
}
.layout {
  max-width: 820px;
  margin: 40px auto 64px;
  padding: 0 20px;
}
h1 {
  font-size: 30px;
  margin-bottom: 4px;
}
h2 {
  font-size: 20px;
  margin-top: 32px;
  margin-bottom: 8px;
}
h3 {
  font-size: 16px;
  margin-top: 18px;
  margin-bottom: 6px;
}
p {
  margin: 0 0 10px;
  line-height: 1.6;
  color: #374151;
}
ul {
  margin: 0 0 10px 20px;
  padding: 0;
  color: #374151;
}
li {
  margin-bottom: 4px;
}
.meta {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 20px;
}
a {
  color: #2563eb;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}