body {
  font-family: 'Arial', sans-serif;
  line-height: 1.8;
  margin: 0;
  padding: 0;
  background: #f5f9ff;
  color: #2c3e50;
}
.container {
  max-width: 900px;
  margin: auto;
  padding: 22px;
}
h1, h2, h3 {
  color: #0a3d62;
  font-weight: 700;
}
h1 {
  font-size: 30px;
}
p {
  font-size: 17px;
}
strong {
  color: #0a3d62;
}
a.cta-btn {
  display: block;
  background: #0a3d62;
  color: #fff;
  padding: 16px;
  margin: 35px auto;
  text-align: center;
  border-radius: 8px;
  text-decoration: none;
  font-size: 18px;
  max-width: 380px;
}
a.cta-btn:hover {
  background: #3c6382;
}
.box {
  background: #eaf2ff;
  padding: 18px;
  border-left: 4px solid #0a3d62;
  margin: 25px 0;
  border-radius: 6px;
}
ul {
  padding-left: 22px;
}
hr {
  margin: 40px 0;
  border: 0;
  border-top: 1px solid #d0d8e8;
}