body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #333;
}

header {
  background: #e74c3c;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

h2 {
  margin-top: 1.8rem;
  color: #e74c3c;
  font-size: 1.3rem;
}

p, li {
  font-size: 1rem;
}

ul {
  margin: 0.5rem 0 1rem 1.2rem;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.85rem;
  color: #777;
}