.floating {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*transform: translate(0px, 0px) scale(0.9);*/
    background-color:#cccccc8a;
    text-align: -webkit-center;
    justify-content: center;
    display: none; /* 初始状态为不显示 */
    z-index: 999999;
}
.floating img{
    cursor: grab;
    user-select:none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.95, 0.95);
}
#closeButton {
    cursor: pointer;
    border: 1px solid #ddd;
    color: #ddd;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    line-height: 24px;
    background-color: #999999cf;
    position: absolute;
    right: 20px;
    top:10px;
    z-index: 999999;
}
#closeButton:hover{
    color: #fff;
}