* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  text-align: center;
  padding: 3rem 0;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.2rem;
  color: #666;
}

section {
  margin: 2rem 0;
}

section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

footer {
  text-align: center;
  padding: 2rem 0;
  color: #999;
  font-size: 0.9rem;
  border-top: 1px solid #eee;
  margin-top: 3rem;
}

footer a {
  color: #666;
}