body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f4f6f8;
  color: #333;
  line-height: 1.6;
}

header {
  background-color: #0b1f3a;
  color: white;
  text-align: center;
  padding: 3rem 1rem;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #1f6feb;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

.button:hover {
  background-color: #155acb;
}

section {
  max-width: 900px;
  margin: 2.5rem auto;
  padding: 0 1rem;
}

h2 {
  color: #0b1f3a;
  border-bottom: 2px solid #ddd;
  padding-bottom: 0.3rem;
}

h3 {
  margin-top: 1.5rem;
}

.date {
  font-size: 0.9rem;
  color: #666;
}

ul {
  margin-left: 1.2rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  background-color: #eaeaea;
  font-size: 0.9rem;
}