.floating-button{transition-behavior:normal;transition-duration:0.3s;transition-timing-function:ease;transition-delay:0s;transition-property:all;}.floating-button:hover{transform:translateY(-3px);box-shadow:rgba(0, 0, 0, 0.2) 0px 10px 25px;}.wechat-qr{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%, -50%);z-index:1000;background-image:initial;background-position-x:initial;background-position-y:initial;background-size:initial;background-repeat:initial;background-attachment:initial;background-origin:initial;background-clip:initial;background-color:white;padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;box-shadow:rgba(0, 0, 0, 0.3) 0px 10px 30px;}.modal-overlay{display:none;position:fixed;top:0px;left:0px;width:100%;height:100%;background-image:initial;background-position-x:initial;background-position-y:initial;background-size:initial;background-repeat:initial;background-attachment:initial;background-origin:initial;background-clip:initial;background-color:rgba(0, 0, 0, 0.5);z-index:999;}nav{box-shadow:rgba(0, 0, 0, 0.1) 0px 2px 4px;}#mobile-menu{display:none;}@media (max-width: 768px){#mobile-menu.show{display:block;}.floating-button{width:50px;height:50px;display:flex;align-items:center;justify-content:center;}}