body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 960px;
  margin: auto;
  padding: 20px;
}

header {
  background-color: #003366;
  color: #fff;
  padding: 40px 0;
  text-align: center;
}

h1 {
  margin-bottom: 10px;
}

main section {
  background: #fff;
  margin-bottom: 20px;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

h2 {
  color: #003366;
}

ul, ol {
  padding-left: 20px;
}

footer {
  background-color: #003366;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}