body {
  margin: 0;
  background: #f5f7fb;
  font-family: Arial, sans-serif;
  color: #333;
}
.page {
  padding: 40px 20px;
}
.card {
  max-width: 900px;
  margin: auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  padding: 32px;
}
h1 {
  font-size: 36px;
  margin: 0 0 16px;
}
h2 {
  font-size: 24px;
  margin: 0 0 10px;
}
hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 20px 0;
}
ol {
  padding-left: 24px;
}
li {
  margin-bottom: 28px;
}
p {
  line-height: 1.8;
  color: #555;
}
a {
  color: #2563eb;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
@media (max-width: 768px) {
  .card {
    padding: 20px;
  }
  h1 {
    font-size: 30px;
  }
  h2 {
    font-size: 20px;
  }
}