body {
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #333;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.logo {
  display: block;
  margin: 0 auto 20px auto;
  max-width: 120px;
  border-radius: 50%;
}

h1 {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 10px;
  color: #444;
}

.fecha {
  text-align: center;
  font-style: italic;
  margin-bottom: 30px;
  color: #777;
}

.contenido h2 {
  margin-top: 30px;
  color: #555;
}

.contenido p {
  line-height: 1.7;
  margin: 10px 0;
}

a {
  color: #555;
  text-decoration: underline;
}