:root {
  --primary-color: #004080;
  --secondary-color: #f5f5f5;
  --text-color: #333333;
}
* { box-sizing: border-box; }
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f7fafc;
  color: var(--text-color);
}
header {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 20px 0;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 1.5rem;
}
nav {
  margin-top: 10px;
}
nav a {
  color: #ffffff;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
}
.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
}
.card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.card h1 {
  font-size: 1.6rem;
  margin-top: 0;
  color: var(--primary-color);
}
.card h2 {
  color: var(--primary-color);
  margin-top: 1.2em;
}
.card p {
  line-height: 1.6;
  margin-bottom: 1em;
}
.card ul {
  padding-left: 1.2em;
  margin-bottom: 1em;
}
.card li {
  margin-bottom: 0.5em;
}
.pill {
  display: inline-block;
  background-color: #e2e8f0;
  color: #2d3748;
  border-radius: 15px;
  padding: 3px 8px;
  font-size: 0.8rem;
  margin-right: 5px;
}
.footer {
  font-size: 0.8rem;
  color: #666666;
  text-align: center;
}