.header_Banner .phone {
    display: none !important;
}

.header_Banner .pc {
    display: block !important;
}

.header_Banner .carousel .item {
    height: 238px;
}

.lunBo_a {
    width: 100%;
    height: 100%;
    display: block;
    background-size: auto 100% !important;
}

.header_Banner .pointer li {
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 100%;
    margin-left: 10px;
}

.header_Banner .pointer .active {
    background: #4891FC;
}

.Video_nav {
    max-width: 1920px;
    margin: 0 auto;
    background-color: #696B6B;
    height: 60px;
}

.ul_nav_child_video {
    width: 1100px; /*950px;*/
    margin: 0 auto;
    overflow: hidden;
}

    .ul_nav_child_video > li {
        float: left;
        width: 14.2857%;
    }

        .ul_nav_child_video > li a {
            line-height: 60px;
            color: #fff;
            font-size: 18px;
            /*  width: 14.2857%;*/
            width: 100%;
            text-align: center;
            cursor: pointer;
            display: inline-block;
        }

            .ul_nav_child_video > li a:hover, .ul_nav_child_video .active > a {
                background: #2b7cff;
            }

.jie_ul {
    z-index: 9999;
    position: relative;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    display:none;
}

    .jie_ul li a {
        font-size: 16px;
        background: #EFF3F4;
        line-height: 40px;
        color: #0B1F40;
        border-bottom: 1px solid #ddd;
    }

        .jie_ul li a:hover, .jie_ul .active > a {
            color: #fff;
        }
.downwardImg{
    margin-left:5px;
    width:20px;
}
@media(max-width:600px) {
    .header_Banner .phone {
        display: block !important;
    }

    .header_Banner .pc {
        display: none !important;
    }

    .header_Banner .pointer li {
        width: 10px;
        height: 10px;
        margin-left: 5px;
    }

    .header_Banner .carousel .item {
        height: 100px;
    }

    .Video_nav {
        width: 100%;
        /*overflow-x: auto;*/
        height: 35px;
    }

        .Video_nav::-webkit-scrollbar {
            height: 0 !important;
        }

    .Video_nav {
        -ms-overflow-style: none;
    }

    .Video_nav {
        overflow: -moz-scrollbars-none;
    }

    .ul_nav_child_video {
        /*width: 560px;*/
        width: 100%;
    }
        .ul_nav_child_video > li {
            width: 16%;
        }
        .ul_nav_child_video li a {
            font-size: 12px;
            line-height: 35px;
        }
    .jie_ul > li{
        width:100%;
    }
    .downwardImg {
        margin-left: 2px;
        width: 12px;
    }
}