body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f6f8;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
  color: #333;
  position: relative;
}
.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://pbs.twimg.com/profile_images/511453606428430336/_a4xgm-D_400x400.jpeg');
  background-repeat: repeat;
  background-size: 150px;
  opacity: 0.1;
  z-index: 0;
}
.container {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  padding: 2rem 3rem;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  max-width: 600px;
  z-index: 1;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.container:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}
h1 {
  color: #1e3a8a;
  margin-bottom: 1rem;
  font-size: 2rem;
}
p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
}
.highlight {
  font-weight: bold;
  color: #d97706;
}
.qr {
  margin-top: 2rem;
}
img {
  max-width: 200px;
  border-radius: 12px;
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
  }
  .container {
    padding: 1.5rem;
    max-width: 90%;
  }
  h1 {
    font-size: 1.5rem;
  }
  p {
    font-size: 1rem;
    line-height: 1.6;
  }
}