@keyframes hide{
  0%{
    opacity: 1;
  }
  100%{
    opacity: 0;
    display: none;
  }
}
@keyframes handMoving{
    0%, 100% {
        transform: scale(1);
    }
    
    50% {
        transform: scale(0.85);
    }
}
@keyframes ripples{
    0% {
        background: #fff;
        transform: scale(0.6);
        opacity: 1;
    }
    50% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}


* {
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
}
body{
  position: relative;
}
main {
  padding: 3% 15%;
  background: #FFF;
}
.top h3 {
  font-size: 25px;
  text-align: center;
  letter-spacing: 2px;
}
.top img {
  display: block;
  width: 220px;
  height: 220px;
  margin: 2% auto 5px;
}
.top #wechat-save-pc {
  position: relative;
  display: block;
  width: 265px;
  margin: 0 auto;
  text-align: center;
  border-radius: 10px;
  padding: 5px 0;
  letter-spacing: 1px;
}
.top #wechat-save-pc img{
    width: 100%;
    height: unset;
}
.top #wechat-save-pc span{
    position: absolute;
    top: 46%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #fff;
    text-align: center;
}
.top #wechat-save-pc #hand{
    position: absolute;
    top: 45%;
    right: -4%;
    width: 50px;
    animation: handMoving 1s linear infinite;
    z-index: 5;
}
.top #wechat-save-pc .waterripple{
    position: absolute;
    top: 36%;
    right: 5%;
    border-radius: 50%;
    height: 40px;
    width: 40px;
    z-index: 4;
    animation: ripples 2s linear infinite;
    animation-delay: calc(1s * var(--i) + 0.5s);
    transition: 0.5s;
}

.step {
  font-family: 'Microsoft JhengHei';
  margin-top: 3%;
}
/*.step h4 {*/
/*  font-size: 20px;*/
/*}*/
/*.step .step-details p {*/
/*  background-color: #f3f7f0;*/
/*  padding: 1% 2%;*/
/*  margin-top: 1%;*/
/*}*/
/*.step .step-details img {*/
/*  display: block;*/
/*  width: 250px;*/
/*  height: 541.66px;*/
/*  margin: 2% auto 0;*/
/*}*/
.step img{
    display: block;
    width: 60%;
    height: 26.264vw;
    margin: 0 auto;
}
.tk{
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translateX(-50%);
  background: #ddd;
  padding: 10px;
  border-radius: 10px;
}
.red{
  color: #ff2213;
  font-weight: bold;
}

@media screen and (max-width:768px){
  main {
    padding: 3% 5%;
    background: #FFF;
  }
  .top h3{
    font-size: 22px;
  }
  .step{
    margin-top: 6%;
  }
  .step h4{
    font-size: 17px;
  }
  .step .step-details p{
    font-size: 15px;
    margin-top: 3%;
  }
  .step .step-details img{
    margin: 5% auto 0;
  }
  .step img{
    width: 100%;
    height: 56.28vw;
  }
}