.content .nav {
    width: 20%;
}
.content .download {
    width: 75%;
}

.content .download .caselist .img ul li {
    width: 32%;
}
.content .download .caselist .img ul {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    flex-wrap: wrap;
}
@media screen and (min-width: 1440px) {
    .content .download .caselist .img ul li {
        width: 32%;
    }
}
@media screen and (max-width: 1060px) {
    .content .nav {
        width: 30%;
    }
    .content .download {
        width: 65%;
    }
    .content .download .caselist .img ul li {
        width: 48%;
    }
}
@media screen and (max-width: 768px) {
    .content .download .caselist .img ul li {
        width: 100%;
    }
    .content .classfyl{
        display: flex;
        flex-direction: column;
    }
    .content .classfyl > .slider-open {
        order: 2;
    }
    .content .classfyl > .left {
        width: 100% !important;
        order: 1;
    }
    .content .classfyl > .right {
        width: 100% !important;
        order: 0;
    }
}
@media screen and (max-width: 568px) {
    .content .nav {
        width: 45%;
    }
    .content .download {
        width: 50%;
    }
}
@media screen and (max-width: 368px) {
    .content .container {
        display: flex;
        flex-direction: column;
    }
    .content .nav {
        width: 100%;
    }
    .content .download {
        width: 100%;
    }
}
/* 适配手机 */
@media only screen
  and (min-device-width: 320px)
  and (max-device-width: 812px) {
    .content .container {
        display: flex;
        flex-direction: column;
    }
    .content .download .caselist .img {
        /* margin: 10px 0 !important; */
    }
    .content .download .caselist .img ul li {
        /* margin-bottom: 0 !important; */
    }
    .content .container .classfyl {
        display: flex;
        flex-direction: column;
    }
    .content .container .classfyl .left {
        width: 100%;
    }
    .content .container .classfyl .right {
        width: 100%;
    }
    /* .content .container .slider-open .cl-switch .slider-up { */
    /*     padding: 0 20px 0 20px; */
    /* } */
    .content .container .slider-open .cl-switch .slider-up .left {
        margin-left: 20px !important;
    }
    .content .container .slider-open .cl-switch .slider-up .right {
        margin-right: 20px !important;
    }
    .content .nav .list li span.arrow {
        margin-top: 0 !important;
    }
}