body {
  margin: 0;
  padding: 0;
  background: #f0f4f9;
  font-family: 'Roboto', sans-serif;
  color: #1d1d1f;
}
.container {
  max-width: 480px;
  margin: 60px auto;
  padding: 40px 30px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
}
.logo {
  width: 400px;
  margin-bottom: 15px;
}
h1 {
  font-size: 22px;
  color: #1479ff;
  margin-bottom: 18px;
}
.info {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 25px;
}
.highlight {
  background: #eef5ff;
  padding: 15px;
  border-radius: 8px;
  text-align: left;
  margin-bottom: 30px;
  font-size: 14px;
}
.highlight strong {
  display: block;
  color: #1479ff;
  margin-bottom: 6px;
}
.download-button {
  background-color: #1479ff;
  color: white;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  display: inline-block;
  transition: background 0.3s;
}
.download-button:hover {
  background-color: #0f5fd6;
}
.footer {
  margin-top: 25px;
  font-size: 12px;
  color: #999;
  line-height: 1.5;
}
@media (max-width: 520px) {
  .container {
    margin: 40px 20px;
    padding: 30px 20px;
  }
}