.snow-card {
  max-width:480px;
  margin:60px auto;
  padding:30px;
  background:linear-gradient(135deg,#e0f2fe,#ffffff);
  border-radius:22px;
  box-shadow:0 20px 40px rgba(0,0,0,.12);
  text-align:center;
  font-family:system-ui;
}
.snow-card input, .snow-card select {
  width:100%;
  padding:12px;
  margin:6px 0 14px;
  border-radius:10px;
  border:1px solid #ccc;
}
.snow-card button {
  width:100%;
  padding:14px;
  border:none;
  border-radius:14px;
  background:#0284c7;
  color:#fff;
  font-size:16px;
  cursor:pointer;
}
#result {
  margin-top:18px;
  font-size:18px;
  font-weight:600;
}