body {
  margin: 0;
  font-family: sans-serif;
  background: #ffffff;
  color: #333;
  text-align: center;
  padding: 2rem;
}

header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.lang-button {
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.qrcode {
  margin-top: 2rem;
  max-width: 220px;
}

.lang-container {
  margin-top: 2rem;
  font-size: 1rem;
  color: #444;
}

.download-buttons {
  margin-top: 1rem;
}

.download-buttons a {
  display: inline-block;
  margin: 0.5rem;
  padding: 0.8rem 1.2rem;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}

.lang-menu {
  position: absolute;
  top: 60px;
  right: 20px;
  background: white;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 0.5rem;
  display: none;
}

.lang-menu button {
  display: block;
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}