/* 遮罩层 */
.modal {
    position: fixed;
    top: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    width: 100%;
    height: 100vh;
    background: #fff;
    /*background: rgba(0,0,0,.6)*/
}

#preloader_1 {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin: 0 1.7rem;
}

    #preloader_1 span {
        display: block;
        bottom: 0px;
        width: 9px;
        height: 5px;
        background: var(--rest--color);
        position: absolute;
        animation: preloader_1 1.5s infinite ease-in-out;
    }

        #preloader_1 span:nth-child(2) {
            left: 11px;
            animation-delay: .2s;
        }

        #preloader_1 span:nth-child(3) {
            left: 22px;
            animation-delay: .4s;
        }

        #preloader_1 span:nth-child(4) {
            left: 33px;
            animation-delay: .6s;
        }

        #preloader_1 span:nth-child(5) {
            left: 44px;
            animation-delay: .8s;
        }

@keyframes preloader_1 {
    0% {
        height: 5px;
        transform: translateY(0px);
        background: var(--rest--color);
    }

    25% {
        height: 30px;
        transform: translateY(15px);
        background: var(--theme--color);
    }

    50% {
        height: 5px;
        transform: translateY(0px);
        background: var(--rest--color);
    }

    100% {
        height: 5px;
        transform: translateY(0px);
        background: var(--rest--color);
    }
}