body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f7f9fc;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
}

header {
  margin-bottom: 40px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 1.1rem;
  color: #555;
}

section {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

section h2 {
  margin-top: 0;
  margin-bottom: 15px;
}

footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
}