/*关闭*/
.close_window_div {
    width: 50px;
    position: absolute;
    margin: auto;
    top: 692px;
    left: 0;
    right: 0;
}

.close_circle {
    width: 45px;
    height: 45px;
    border: solid 1px white;
    border-radius: 50%;
    position: relative;
    background: rgba(255, 255, 255, 0.3);
}

.close_fork::before, .close_fork::after {
    content: '';
    position: absolute;
    height: 3px;
    width: 30px;
    top: 22px;
    left: 8px;
    background-color: white;
}

.close_fork::before {
    transform: rotate(45deg);
}

.close_fork::after {
    transform: rotate(-45deg);
}