.part2 {position:relative;}
      .qr-code img {position:absolute;left:50%;top:0;margin-left:-7.55rem;width:1.5rem;height:auto;box-shadow:1px 3px 5px 1px #ccc;}
      .qr-code .list-item:nth-child(2) img {margin-left:6.05rem;}
      .qr-code .list-item:nth-child(3) img {top:1.7rem;margin-left:6.05rem;}
      @media screen and (max-width:1024px) {
      .qr-code {display:none;}
      }