@media screen and (max-width: 1620px) {
    .ban2 .slick-prev {
        left: -65px;
    }

    .ban2 .slick-next {
        right: -50px;
    }
}

@media screen and (max-width: 1500px) {
    .ban2 .slick-prev {
        left: 5px;
    }

    .ban2 .slick-next {
        right: 28px;
    }
}

@media screen and (max-width: 1480px) {
    .ban3 .slick-prev {
        left: 20px;
    }

    .ban3 .slick-next {
        right: 20px;
    }
}

@media screen and (max-width: 1400px) {
    .px1400 {
        padding: 0 10px;
    }

    .sec3 {
        margin-bottom: 30px;
    }

}

@media screen and (max-width: 1300px) {
    .s3-left {
        width: 560px;
    }

    .fot-l {
        width: 40%;
    }

    .fot-r {
        /* width: 40%; */
    }

    .nav>ul>li {
        margin-left: 10px;
    }
}