/* 客制按鈕樣式 */
.start-btn {
  border: none;
  border-radius: 4px;
  width: 80%;
  background: radial-gradient(62.31% 75.04% at 31.54% 50%, #FDB63B 0%, #F5523B 100%);
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.4);
  color: #fff;
}