.ht .qr {
    position: absolute;
    top: 30px;
    right: 0;
    display: none\0;
    width: 120px;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, .2);
    transform: translate(0, -6px);
    transition: all .3s;
        z-index: 9;
}
@media (max-width:1024px){
.ht .qr {
        right: 400px;
}
.ht .qr .android{
      right:0px;
}
}
@media (max-width:768px){
.ht .qr {
        right: 240px;
}
.ht .qr .android{
      right:0px;
}
}
@media (max-width:480px){
.ht .qr {
        right: 120px;
}
.ht .qr .android{
      right:0px;
}
}
.ht .qr:before {
    content: '';
    position: absolute;
    bottom: 100%;
    right: 10px;
    border: 6px solid transparent;
    border-bottom: 6px solid #fff;
    margin-bottom: 4px;
}

.ht .qr img {
    display: block;
    width: 100%;
    border: 5px solid #fff;
}
.ht .qr .img2{
 top: 0px;
    position: absolute;
    float: left;
    left: 120px;
}
   
.ht a:hover .qr {
    display: block\0;
    visibility: visible;
    opacity: 1;
    transform: translate(0, 0);
}

.ht .qr .android{
    position: absolute;
    background-color: #fff;
    text-align: center;
    line-height: 20px;
    color: black;
    width: 120px;
}
.ht .qr .ios{
top: 120px;
    position: absolute;
    float: left;
    left: 120px;
    background-color: #fff;
    text-align: center;
    line-height: 20px;
    width: 120px;
    color: black;
}