/* 回到顶部按钮 */
/* From Uiverse.io by vinodjangid07 */ 
.backtotop {
    display: flex;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #580658;
    border: none;
    font-weight: 600;
    position: fixed;
    bottom: 30px;
    right: 30px;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 0px 0px 4px #CDAA7D;
    cursor: pointer;
    transition-duration: 0.3s;
    overflow: hidden;
  }
  
  .svgIcon {
    width: 12px;
    transition-duration: 0.3s;
  }
  
  .svgIcon path {
    fill: white;
  }
  
  .backtotop:hover {
    width: 140px;
    border-radius: 50px;
    transition-duration: 0.3s;
    background-color: #580658;
    align-items: center;
  }
  
  .backtotop:hover .svgIcon {
    transition-duration: 0.3s;
    transform: translateY(-200%);
  }
  
  .backtotop::before {
    position: absolute;
    content: "Back to Top";
    color: white;
    transition-duration: .3s;
    font-size: 0px;
  }
  
  .backtotop:hover::before {
    font-size: 13px;
    opacity: 1;
    bottom: unset;
    transition-duration: 0.3s;
  }