body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #f4f4f4;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
header {
  margin: 0 auto;
  max-width: 1200px;
  text-align: center;
}
header img {
  max-width: 150px;
}
h2,
h3 {
  color: #1a73e8;
}
h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}
h2 {
  font-size: 1.8em;
  margin-top: 30px;
}
p {
  font-size: 1.1em;
  margin-bottom: 20px;
}
pre {
  background: #1e1e1e;
  padding: 15px;
  border-radius: 8px;
  overflow-x: auto;
}
.cta {
  background: #1a73e8;
  color: white;
  padding: 15px 30px;
  text-align: center;
  border-radius: 5px;
  margin: 20px 0;
}
.cta a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 10px 0;
  margin-top: 40px;
}
@media (max-width: 768px) {
  h1 {
    font-size: 2em;
  }
  h2 {
    font-size: 1.5em;
  }
  .container {
    padding: 10px;
  }
}
sup {
  vertical-align: super;
  font-size: smaller;
  font-weight: 600;
  color: red;
}