/* 开始咨询按钮锁定：已开始后不可重复点击 */
.start-btn.is-locked,
.start-btn:disabled{
  background:linear-gradient(135deg,#b9b2a8,#9d958c)!important;
  color:#fffaf1!important;
  cursor:not-allowed!important;
  box-shadow:none!important;
  opacity:.82!important;
  pointer-events:none!important;
}

.start-btn.is-locked{
  border-color:#aaa095!important;
}