* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: #333;
  background: #fff;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.header {
  margin-bottom: 2rem;
}

.header h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
}

.main {
  color: #555;
}

.main p {
  margin: 0;
}