body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #f7f7f7;
  padding: 20px;
  font-size: 18px;   /* 👈 放大整体字体 */
}

.screen {
  max-width: 480px;
  margin: auto;
}

button {
  width: 90%;                 /* 👈 手机全宽按钮 */
  padding: 16px;
  margin: 10px 0;
  font-size: 18px;
  border: none;
  background: black;
  color: white;
  border-radius: 10px;
  min-height: 50px;
}

button:hover {
  opacity: 0.8;
}

#question {
  font-size: 22px;
  margin-bottom: 20px;
}

#result-title {
  font-size: 26px;
  margin-bottom: 10px;
}

#fruit, #tea {
  font-size: 20px;
  margin: 8px 0;
}

.hidden {
  display: none;
}