body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #e6f0f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.card {
  background: #ffffff;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  text-align: center;
  max-width: 500px;
  width: 90%;
}

.banner {
  font-size: 1.8rem;
  color: #2c3e50;
  margin-bottom: 2rem;
}

.links {
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  margin: 0.5rem;
  font-size: 1rem;
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  transition: background-color 0.3s ease, transform 0.2s;
}

.btn:hover {
  transform: scale(1.05);
}

.btn.ios {
  background-color: #0070c9;
}

.btn.ios:hover {
  background-color: #005999;
}

.btn.android {
  background-color: #3ddc84;
}

.btn.android:hover {
  background-color: #2bb673;
}

.tour-link a {
  font-size: 1rem;
  color: #2980b9;
  text-decoration: none;
  font-weight: bold;
}

.tour-link a:hover {
  text-decoration: underline;
  color: #1c5980;
}