body {
  font-family: 'Segoe UI', sans-serif;
  background: #f3f6fd;
  color: #2d2d2d;
  padding: 2rem;
}

header {
  background: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 1.5rem;
  color: #5a4ae3;
}

nav a {
  margin-left: 1rem;
  color: #5a4ae3;
  text-decoration: none;
}

.rules-container {
  max-width: 800px;
  margin: auto;
  padding-top: 3rem;
}

.rule-block {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.rule-block h2 {
  color: #5a4ae3;
  margin-bottom: 1rem;
}

.rule-block h3 {
  font-size: 1rem;
  color: #666;
  margin-bottom: 1rem;
}