body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #ffffff;
  color: #333;
  line-height: 1.6;
  padding: 40px 20px;
  margin: 0;
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 0 20px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.4rem;
  color: #222;
  margin-top: 2rem;
  border-left: 4px solid #ddd;
  padding-left: 0.5rem;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1rem;
  color: #444;
}

section {
  margin-bottom: 1.8rem;
}

ul {
  list-style: disc;
  padding-left: 1.5rem;
}

p {
  margin-bottom: 0.9rem;
}