* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 20px;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

.container {
  max-width: 500px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  margin-bottom: 8px;
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 25px;
}

.step {
  margin-bottom: 25px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.warning {
  padding: 15px;
  margin-top: 20px;
  background: #fff3cd;
  border-radius: 10px;
  text-align: center;
}