body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

.container {
  width: 400px;
  margin: 30px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  overflow: hidden;
}

.header {
  background: #2b8cad;
  color: #fff;
  padding: 20px;
}

.header h2 {
  margin: 0;
  font-size: 22px;
}

.header p {
  margin: 5px 0 0;
  font-size: 13px;
}

form {
  padding: 40px;
}

.section {
  margin-bottom: 20px;
}

.section h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: #2b8cad;
  display: flex;
  align-items: center;
}

.section h3::before {
  content: attr(data-step);
  display: inline-block;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  background: #2b8cad;
  color: #fff;
  border-radius: 50%;
  margin-right: 10px;
  font-size: 14px;
}

.section input,
.section textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 10px;
  font-size: 14px;
}

.submit-area {
  text-align: left;
  margin-top: 10px;
}

.submit-area input[type="checkbox"] {
  margin-right: 5px;
}

.btn {
  background: #2b8cad;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.btn:hover {
  background: #23728a;
}

small {
  font-size: 12px;
  color: #666;
}