body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f6fafc;
  color: #213547;
  margin: 0;
  padding: 0;
}
.header {
  background: #1657a3;
  color: #fff;
  padding: 2rem 1rem 1rem 1rem;
  text-align: center;
}
.header img {
  height: 60px;
  margin-bottom: 10px;
}
.container {
  max-width: 700px;
  margin: 2rem auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(20,40,100,0.07);
  padding: 2rem;
}
h1, h2 {
  font-weight: 700;
  color: #1657a3;
}
.footer {
  text-align: center;
  font-size: 0.9em;
  color: #888;
  padding: 2rem 1rem;
}
a {
  color: #1657a3;
}
.button {
  background: #1657a3;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.7em 1.5em;
  font-size: 1.1em;
  cursor: pointer;
  text-decoration: none;
  margin-right: 12px;
  margin-bottom: 10px;
  display: inline-block;
}