@charset "utf-8";

.std_nav_1400_004 .head_nav {
    width: 70%;
}

.xytd {
    padding: 70px 0 170px;
    background: url(../images/xytd_bg.png) no-repeat center bottom/cover;
}

.xy_bk2 {
    padding-top: 60px;
}

.l_bk2 ul {
    margin: 0 -10px;
}

.l_bk2 ul li {
    padding: 0 10px;
}

.l_bk2 ul li a {
    display: block;
    text-align: center;
}

.l_bk2 ul li a .pic {
    padding-top: 66.6667%;
}

.l_bk2 ul li p {
    margin-top: 30px;
    font-size: 22px;
    color: #333333;
}

.l_bk2 .slick-prev {
    top: 45%;
    width: 50px;
    height: 50px;
    left: auto;
    right: calc(100% + 30px);
    background: url(../images/s3-l.png) no-repeat center;
    background-size: 50px auto;
    z-index: 9;
}

.l_bk2 .slick-prev:hover {
    background: url(../images/s3-l1.png) no-repeat center;
    background-size: 50px auto;
}

.l_bk2 .slick-next {
    width: 50px;
    height: 50px;
    top: 45%;
    left: calc(100% + 30px);
    background: url(../images/s3-r1.png) no-repeat center;
    background-size: 50px auto;
    z-index: 9;
}

.l_bk2 .slick-next:hover {
    background: url(../images/s3-r.png) no-repeat center;
}

@media screen and (max-width: 1600px) {
    .l_bk2 .slick-prev {

        left: 0;
        right: auto;

    }

    .l_bk2 .slick-next {

        left: auto;
        right: 0;
    }
}

@media screen and (max-width: 1024px) {
    .xy_bk2 {
        padding-top: 20px;
    }

    .xytd {
        padding: 20px 0 80px;
    }

    .l_bk2 ul li p {
        margin-top: 15px;
        font-size: 18px;
    }
}

@media screen and (max-width: 768px) {
    .xytd {
        padding-bottom: 40px;
    }
}