/*首页*/

.firstitem {
    margin-top: 70px;
}
.myhide {
    display: none;
}

.hom_banner{max-width: 1920px; margin: auto; margin-top: 70px;}
.hom_banner .swiper-container {width: 100%;height: 100%;}
.hom_banner .swiper-slide {text-align: center;font-size: 18px;background: #fff;}
.hom_banner .swiper-slide img{display: block; width: 100%; height: auto;}
.hom_banner .swiper-pagination-bullet {width: 10px;height: 10px;opacity: 1;}
.hom_banner .swiper-pagination-bullet-active {opacity: 1;background: #ff6b1d !important; width: 30px;height: 10px;border-radius: 5px;}
.hom_banner .swiper-pagination-bullet {background: #fff;}
.hom_banner .swiper-pagination-bullets {bottom: 20px;}

.title_h1{max-width: 1200px; margin: auto; padding: 40px 0px 0px; font-size: 30px; font-weight: bold; color: #000; position: relative;}
.title_more{display: inline-block; vertical-align: middle; position: absolute; top: 40px; right: 0;}
.title_more img{display: inline-block; vertical-align: middle; margin-top: -4px; margin-left: 5px;}
.title_more a{font-size: 14px; color: #999;}
.title_more a:hover{color: #ff7700;}
.title01_h1{margin-bottom: -20px;}
.hom_center{padding-top: 15px; padding-bottom: 50px;}
.hom_kczx{max-width: 1200px; margin: 0 auto 15px;}
.hom_kczx .swiper-container {width: 100%; padding-top: 40px;}
.hom_kczx_nr{padding: 30px 30px; /*border-radius: 5px;*/ background: #fff; overflow: hidden; box-shadow: 0px 0px 6px 0px rgba(38, 47, 125, 0.06); /*margin: 0px 10px;*/}
.hom_kczx .swiper-slide img{max-width: 100%; height: auto; display: block; margin: auto;}
.hom_kczx .swiper-slide{width: 16.666666%;}
.hom_kczx .swiper-button-prev{background-image: url(../images/kczx_icon_zuo.png);left: auto; right: 30px; width: 8px;height: 14px;background-size: 8px 14px;top: 0;margin: 0;}
.hom_kczx .swiper-button-next{background-image: url(../images/kczx_icon_you.png);right: 0;width: 8px;height: 14px;background-size: 8px 14px;top: 0;margin: 0;}
.hom_kczx_img{margin-bottom: 10px;}
.hom_kczx_nr h3{font-size: 18px; color: #333; line-height: 30px; text-align: center;}
.hom_kczx_nr p{font-size: 14px; color: #666; line-height: 24px; text-align: center;}
.hom_kczx_nr img{ transition:all 0.3s ease-in 0s; -webkit-transition:all 0.3s ease-in 0s; -moz-transition:all 0.3s ease-in 0s; -o-transition:all 0.3s ease-in 0s;}
.hom_kczx_nr:hover img{transform:scale(1.1); -webkit-transform:scale(1.1); -moz-transform:scale(1.1); -o-transform:scale(1.1);-ms-transform:scale(1.1);}
.hom_kczx_nr a:hover h3{color: #ff7700;}

.hom_zxkc{max-width: 1200px; margin: 20px auto 0px;}
.hom_zxkc dt{width: 39%; float: left;}
.hom_zxkc dd{width: 59%; float: right;}
.hom_zxkc02{float: left; width: 32%; margin-right: 2%; margin-bottom: 15px;}
.hom_zxkc02:nth-child(3n) {margin-right: 0px;}
.hom_zxkc img{width: 100%; height: auto; display: block;}
.hom_zxkc01{background: #fff; border-radius: 6px; display: block; box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.16); overflow: hidden;}
.hom_zxkc01_nr{padding: 30px 30px 30px; position: relative;}
.hom_zxkc01_nr h3{font-size: 18px; color: #333; line-height: 30px; margin-bottom: 30px;}
.hom_zxkc01_nr p{font-size: 16px; color: #42b642; line-height: 24px;}
.hom_zxkc01_nr span{font-size: 16px; color: #666; line-height: 24px; position: absolute; right: 30px; bottom: 30px;}
.hom_zxkc02{background: #fff; border-radius: 6px; display: block; box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.16); overflow: hidden;}
.hom_zxkc02_nr{padding: 10px 15px 10px; position: relative;}
.hom_zxkc02_nr h3{font-size: 14px; color: #333; line-height: 24px; margin-bottom: 5px; white-space: nowrap;text-overflow: ellipsis;overflow: hidden;}
.hom_zxkc02_nr p{font-size: 12px; color: #42b642; line-height: 20px;}
.hom_zxkc02_nr span{font-size: 12px; color: #666; line-height: 20px; position: absolute; right: 15px; bottom: 10px;}
.hom_zxkc01_img,.hom_zxkc02_img{position: relative; overflow: hidden; display: block;}
.hom_zxkc01_img img,.hom_zxkc02_img img{ transition:all 0.3s ease-in 0s; -webkit-transition:all 0.3s ease-in 0s; -moz-transition:all 0.3s ease-in 0s; -o-transition:all 0.3s ease-in 0s;}
.hom_zxkc01_img:hover img,.hom_zxkc02_img:hover img{transform:scale(1.1); -webkit-transform:scale(1.1); -moz-transform:scale(1.1); -o-transform:scale(1.1);-ms-transform:scale(1.1); filter:alpha(opacity=75);-moz-opacity:0.75; opacity:0.75;}
.hom_zxkc01 a:hover h3,.hom_zxkc02 a:hover h3{color: #ff7700;}

/*产品列表页*/
.neiye_banner{max-width: 1920px; margin: auto; margin-top: 70px;}
.neiye_banner img{display: block; width: 100%; height: auto;}
.zxkt_jsfl{max-width: 1200px; margin: auto; background: #fff; box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.16);border-radius: 6px; position: relative; margin-top: -83px;}
.jsfl_cenner{padding: 20px 30px;}
.zxkt_jsfl h2{font-size: 16px; color: #333; line-height: 30px; display: inline-block; margin-bottom: 15px;}
.zxkt_jsfl h2 a{font-size: 16px; color: #333; line-height: 30px; padding: 0px 15px; display: inline-block;}
.zxkt_jsfl h2 a:hover{background: #f3caa6; border-radius: 15px;}
.jsfl_active{background: #f3caa6; border-radius: 15px;}
.zxkt_pxu{margin-top: 15px;}
.zxkt_pxu li{font-size: 12px; color: #333; line-height: 20px; display: inline-block; margin-right: 20px;}
.zxkt_pxu li a{font-size: 12px; color: #333; line-height: 20px; border-radius: 15px; padding: 0px 15px; background: #fff; border: 1px solid #ccc; display: inline-block;}
.zxkt_pxu li a:hover{border-radius: 15px; background: #444; border: 1px solid #444; color: #fff;}
.pxu_active{background: #444 !important; border: 1px solid #444 !important; color: #fff !important;}
.zxkt_zong{position: absolute; bottom: 20px; right: 30px; color: #eb9800; font-size: 16px;}

.cpzs_box{max-width: 1200px; margin: 50px auto 60px;}
.cpzx_center li{width: 23.5%; float: left; margin-right: 2%; margin-bottom: 30px;}
.cpzx_center li:nth-child(4n){margin-right: 0px !important;}
.cpzx_li{background: #fff; border-radius: 6px; display: block; box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.16); overflow: hidden;}
.cpzx_li_nr{padding: 10px 15px 10px; position: relative;}
.cpzx_li_nr h3{font-size: 14px; color: #333; line-height: 24px; margin-bottom: 5px; white-space: nowrap;text-overflow: ellipsis;overflow: hidden;}
.cpzx_li_nr p{font-size: 12px; color: #42b642; line-height: 20px;}
.cpzx_li_nr span{font-size: 12px; color: #666; line-height: 20px; position: absolute; right: 15px; bottom: 10px;}
.cpzx_center .cpzx_li_nr span{bottom: 10px !important;}
.cpzx_li_img{position: relative; overflow: hidden; display: block;}
.cpzx_li_img img{ transition:all 0.3s ease-in 0s; -webkit-transition:all 0.3s ease-in 0s; -moz-transition:all 0.3s ease-in 0s; -o-transition:all 0.3s ease-in 0s;}
.cpzx_li_img:hover img{transform:scale(1.1); -webkit-transform:scale(1.1); -moz-transform:scale(1.1); -o-transform:scale(1.1);-ms-transform:scale(1.1); filter:alpha(opacity=75);-moz-opacity:0.75; opacity:0.75;}
.cpzx_li a:hover h3{color: #ff7700;}
.cpzx_li_img img{display: block; width: 100%; height: auto;}








@media (max-width: 768px){
/*首页*/
.hom_banner{height: auto; margin-top: 60px;}
.hom_banner .swiper-pagination-bullet {width: 8px;height: 8px;}
.hom_banner .swiper-pagination-bullet-active {width: 24px;height: 8px;border-radius: 4px;}
.hom_banner .swiper-pagination-bullets {bottom: 5px;}

.title_h1{padding: 10px 0px 0px; font-size: 20px; margin: 0px 20px;}
.title_more{top: 10px; right: 0;}
.title01_h1{margin-bottom: -20px;}
.hom_center{padding-top: 15px; padding-bottom: 15px;}
.hom_kczx{margin: 0px 20px 15px;}
.hom_kczx .swiper-container{padding-top: 30px;}
.hom_kczx_nr{padding: 10px 10px;box-shadow: 0px 0px 6px 0px rgba(38, 47, 125, 0.06);}
.hom_kczx .swiper-slide {width: 33.333333%;}
.hom_kczx .swiper-button-prev{background-image: url(../images/kczx_icon_zuo.png);left: auto; right: 30px; width: 8px;height: 14px;background-size: 8px 14px;top: 0;margin: 0;}
.hom_kczx .swiper-button-next{background-image: url(../images/kczx_icon_you.png);right: 0;width: 8px;height: 14px;background-size: 8px 14px;top: 0;margin: 0;}
.hom_kczx_img{margin: 0px 10px;}
.hom_kczx_nr h3{font-size: 14px; line-height: 24px;}
.hom_kczx_nr p{font-size: 12px;  line-height: 20px; height: 20px;text-overflow: ellipsis;white-space: nowrap;overflow: hidden;}

.hom_zxkc{margin: 15px 20px 0px;}
.hom_zxkc dt{width: 100%; float: none; margin-bottom: 20px;}
.hom_zxkc dd{width: 100%; float: none;}
.hom_zxkc02{float: left; width: 48%; margin-right: 4%; margin-bottom: 15px;}
.hom_zxkc02:nth-child(3) {margin-right: 4%;}
.hom_zxkc02:nth-child(2n) {margin-right: 0px;}
.hom_zxkc01_nr{padding: 20px 20px 20px; position: relative;}
.hom_zxkc01_nr h3{font-size: 16px; line-height: 30px; margin-bottom: 10px;}
.hom_zxkc01_nr p{font-size: 14px; line-height: 20px;}
.hom_zxkc01_nr span{font-size: 12px; line-height: 16px; right: 20px; bottom: 20px;}
.hom_zxkc02_nr{padding: 10px 10px 10px; position: relative;}
.hom_zxkc02_nr h3{font-size: 14px; line-height: 20px; height: 40px; margin-bottom: 5px;}
.hom_zxkc02_nr p{font-size: 12px; line-height: 20px;}
.hom_zxkc02_nr span{font-size: 12px;line-height: 20px; right: 15px; bottom: 10px;}

/*产品列表页*/
.neiye_banner{margin-top: 60px;}

.zxkt_jsfl{max-width: 1200px; margin: 0px 20px; margin-top: 30px;}
.jsfl_cenner{padding: 10px 15px;}
.zxkt_jsfl h2{font-size: 12px; line-height: 18px; margin-bottom: 0px;}
.zxkt_jsfl h2 a{font-size: 14px; line-height: 18px; padding: 0px 10px;margin-bottom: 15px;}
.zxkt_jsfl h2 a:hover{border-radius: 9px;}
.jsfl_active{border-radius: 9px;}
.zxkt_pxu{margin-top: 0px;}
.zxkt_pxu li{margin-right: 10px;}
.zxkt_pxu li a{border-radius: 10px; padding: 0px 10px;}
.zxkt_pxu li a:hover{border-radius: 10px;}
.zxkt_zong{bottom: 10px; right: 15px;font-size: 12px;}

.cpzs_box{margin: 30px 20px 30px;}
.cpzx_center li{width: 48%; margin-right: 4%; margin-bottom: 20px;}
.cpzx_center li:nth-child(2n){margin-right: 0px !important;}
.cpzx_li_nr span{font-size: 12px; line-height: 16px; right: 20px; bottom: 20px;}
.cpzx_li_nr{padding: 10px 10px 10px; position: relative;}
.cpzx_li_nr h3{font-size: 14px; line-height: 20px; height: 40px; margin-bottom: 5px;}
.cpzx_li_nr p{font-size: 12px; line-height: 20px;}
.cpzx_li_nr span{font-size: 12px;line-height: 20px; right: 15px; bottom: 10px;}


}


/*课程中心详情页*/
.content_part1 {
    padding: 20px 30px 20px;
}

    .content_part1 a {
        line-height: 20px;
        font-size: 14px;
        font-weight: 400;
        color: #909399;
    }

        .content_part1 a:nth-of-type(2) {
            color: #303133;
            margin-left: 10px;
        }

.content_part2 {
    padding: 0px 30px 30px;
}

    .content_part2 .content_img {
        display: inline-block;
        float: left;
        position: relative;
    }

        .content_part2 .content_img > img {
            width: 468px;
            height: 265px;
            display: block;
        }

    .content_part2 .mask {
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        position: absolute;
        left: 0px;
        top: 0px;
        right: 0px;
        bottom: 0px;
        cursor: pointer;
    }

.content_img .mask img {
    width: 79px;
    height: 79px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.content_img .mask span {
    font-size: 20px;
    color: #ffffff;
    position: absolute;
    left: 50%;
    top: 67%;
    transform: translate(-50%, 0);
}

.content_part2 .content_text {
    width: 645px;
    float: right;
}

.content_text .text_part1 a {
    font-size: 20px;
    color: #333333;
}

.content_text .text_part2 a {
    margin-top: 15px;
    display: inline-block;
    padding: 0px 5px;
    margin-right: 6px;
    height: 21px;
    line-height: 21px;
    font-size: 12px;
    color: #23b8ff;
    background: #ffffff;
    border: 1px solid #23b8ff;
}

.content_text .text_part3 {
    margin-top: 12px;
}

.content_text span {
    line-height: 20px;
    font-size: 14px;
    color: #666666;
    letter-spacing: 0px;
}

.text_part3 a {
    line-height: 20px;
    font-size: 14px;
    color: #666666;
}

.content_text .text_part4 {
    height: 20px;
    font-size: 14px;
    text-align: left;
    color: #666666;
    letter-spacing: 0px;
    margin: 12px 0px;
}

.textControl {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.content_text .text_part4 a {
    font-size: 14px;
    color: #666666;
}

.content_text .text_part5 a {
    height: 20px;
    font-size: 14px;
    color: #666666;
    letter-spacing: 0px;
    display: inline-block;
    margin-right: 20px;
}

    .content_text .text_part5 a img {
        width: 14px;
        position: relative;
        margin-right: 5px;
        vertical-align: middle;
    }

.content_text .text_part6 a {
    display: inline-block;
    height: 40px;
    line-height: 40px;
    margin-top: 18px;
    padding: 0px 20px;
    background: #ffffff;
    border: 1px solid #ff7700;
    border-radius: 3px;
    font-size: 14px;
    color: #ff7700;
}

    .content_text .text_part6 a:hover {
        background: #ff7700;
        color: #fff;
    }

.zxkc_jieshao {
    max-width: 1200px;
    margin: 60px auto 60px;
}

.wrap-part-left {
    width: 810px;
    background: #ffffff;
    box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.06);
    float: left;
    border-radius: 6px;
}

.wrap-part {
    padding: 10px 30px 30px 30px;
    height: auto;
}

    .wrap-part .zxck_tab {
        overflow: hidden;
        position: relative;
    }

        .wrap-part .zxck_tab:after {
            position: absolute;
            content: "";
            width: 100%;
            bottom: 0;
            height: 1px;
            background: #e4e7ed;
            left: 0;
        }

.zxck_tab a {
    position: relative;
    display: inline-block;
    line-height: 56px;
    margin-right: 30px;
    font-size: 16px;
    font-weight: 400;
    color: #333;
    transition: all .2s;
}

.hom_tab_on {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #ff7700 !important;
}

.zxck_tab .hom_tab_on:after {
    position: absolute;
    content: "";
    width: 100%;
    bottom: -1px;
    z-index: 1;
    height: 4px;
    background: #ff7700;
    left: 0;
}

.zxck_tab a:hover {
    color: #ff7700;
}

.wrap-content {
    overflow: hidden;
    display: none;
}

.expmenu {
    padding-top: 20px;
}

.cjwt_box li {
    position: relative;
    border-bottom: 1px solid #e4e7ed;
    cursor: pointer;
}

.cjwt_box .cjwt_title {
    font-size: 16px;
    line-height: 72px;
    font-weight: 600;
    color: #303133;
}

    .cjwt_box .cjwt_title img {
        width: 20px;
        margin-right: 12px;
        height: 20px;
        vertical-align: middle;
        margin-top: -4px;
    }

.cjwtmenu li {
    font-size: 14px;
    color: #303133;
    line-height: 48px;
    border-bottom: none;
    position: relative;
}

    .cjwtmenu li img {
        width: 16px;
        height: 16px;
        vertical-align: middle;
        margin: -3px 10px 0px 20px;
    }

.zxkc_mfei {
    font-size: 14px;
    margin-right: 20px;
    color: #42b642;
    position: absolute;
    top: 0;
    right: 0;
}

.cjwtmenu a:hover {
    background: #f5f5f5 !important;
    display: block;
}

.lesson_msg {
    padding: 20px;
}

    .lesson_msg h2 {
        font-size: 16px;
        color: #333;
        font-weight: 600;
        line-height: 32px;
    }

.mt20 {
    margin-top: 10px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,.03);
    margin-bottom: 20px;
}

.lesson_msg p {
    font-size: 14px;
    color: #444;
    line-height: 30px;
}

.cjwt_box .arrow {
    display: block;
    width: 20px;
    height: 20px;
    background: no-repeat center;
    position: absolute;
    right: 0px;
    top: 20px;
}

.cjwt_box li .arrow.up {
    background-image: url(../images/cjwt_d.png);
}

.cjwt_box li .arrow.down {
    background-image: url(../images/cjwt_u.png);
}

.cjwt_box li .cjwtmenu {
    display: none;
}

.wrap-part-right {
    width: 360px;
    float: right;
    background: #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 24px 0px rgba(38, 47, 125, 0.06);
}

    .wrap-part-right ul {
        padding: 20px;
    }

.wrap-part-right_title a {
    /*! height: 33px; */
    display: block;
    color: #333;
    font-size: 24px;
    border-bottom: 1px solid #e4e7ed;
    padding: 20px 20px 10px;
}

.wrap-part-right li {
    overflow: hidden;
    margin-bottom: 20px;
}

.wrap-part-right .cpzx_li_img {
    width: 45%;
    float: left;
}

.wrap-part-right .cpzx_li_nr {
    width: 50%;
    float: right;
    padding: 0px 0px;
}

.wrap-part-right .cpzx_li {
    border-radius: 0px !important;
}

.cpzx_li_nr span {
    bottom: 0;
}

@media (max-width: 768px) {
    /*课程中心详情页*/
    .zxkc_jieshao {
        margin: 20px 20px 30px;
    }

    .wrap-part-left {
        width: 100%;
        float: none;
        margin-bottom: 20px;
    }

    .wrap-part-right {
        width: 100%;
        float: none;
    }

    .content_part1 {
        padding: 20px 15px 20px;
    }

    .content_part2 {
        padding: 0px 15px 30px;
    }

        .content_part2 .content_img > img {
            width: 100%;
            height: auto;
        }

    .content_img .mask img {
        width: 50px;
        height: 50px;
    }

    .content_img .mask span {
        font-size: 16px;
    }

    .content_part2 .content_img {
        display: block;
        float: none;
        width: 100%;
    }

    .content_part2 .content_text {
        width: 100%;
        float: none;
    }

    .content_text .text_part1 {
        margin-top: 20px;
    }

        .content_text .text_part1 a {
            font-size: 16px;
        }

    .content_text .text_part6 a {
        height: 30px;
        line-height: 30px;
    }

    .wrap-part {
        padding: 0px 15px 15px 15px;
        height: auto;
    }

    .cjwt_box li {
        padding: 10px 0;
    }

    .cjwt_box .cjwt_title {
        font-size: 14px;
        line-height: 30px;
        height: 30px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        padding: 0px 30px 0px 0px;
        display: block;
    }

    .cjwt_box .arrow {
        top: 16px;
    }

    .cjwtmenu li img {
        width: 16px;
        height: 16px;
        margin: -3px 10px 0px 0px;
    }

    .cjwtmenu li {
        font-size: 12px;
        line-height: 20px;
        /*! height: 20px; */
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        padding-right: 30px;
    }

    .zxkc_mfei {
        font-size: 12px;
        margin-right: 0px;
        top: 10px;
    }

    .lesson_msg h2 {
        font-size: 14px;
        line-height: 30px;
    }

    .mt20 {
        margin-top: 0px;
        padding-bottom: 10px;
        margin-bottom: 10px;
    }

    .lesson_msg p {
        font-size: 12px;
        line-height: 24px;
    }

    .lesson_msg {
        padding: 10px 0;
    }

    .wrap-part-right .cpzx_li_nr h3 {
        font-size: 12px;
        height: 24px;
    }

    .wrap-part-right_title a {
        /*! height: 20px; */
        display: block;
        color: #333;
        font-size: 18px;
        border-bottom: 1px solid #e4e7ed;
        padding: 10px 20px;
        /*! line-height: 40px; */
        /*! height: 40px; */
    }
}





/*html,body{height: 100%;}*/
.kczx_video_header {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #f3f5f6;
    box-shadow: 0 4px 8px 0 rgba(28,31,33,.1);
    z-index: 2;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

    .kczx_video_header h3 {
        padding: 0px 30px;
        line-height: 60px;
        font-size: 16px;
        color: #333;
    }

        .kczx_video_header h3 img {
            display: inline-block;
            vertical-align: middle;
            margin-right: 24px;
        }

.kczx_video_center {
    width: 100%;
    background: #1c1f21;
    height: 100vh;
    overflow: hidden;
}

.kczx_video_box {
    display: flex;
    height: 100%;
    position: relative;
    padding: 100px 40px 40px;
    overflow: hidden;
    box-sizing: border-box;
}

.kczx_video_left {
    background: #000;    
    width: 100%;
    height: 100%;
    min-height: 640px;
}

.kczx_video_right {
    background: #26292c;
    height: 100%;
    width: 480px;
    margin-left: 20px;
    overflow: auto;
}

    .kczx_video_right .expmenu {
        padding: 0px 20px;
    }

    .kczx_video_right li {
        position: relative;
        cursor: pointer;
    }

    .kczx_video_right .cjwt_title {
        font-size: 14px;
        line-height: 48px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        display: block;
        padding-right: 20px;
        color: #fff;
    }

    .kczx_video_right .cjwtmenu li {
        height: 30px;
        line-height: 30px;
    }

        .kczx_video_right .cjwtmenu li a {
            font-size: 12px;
            color: #ccc;
            line-height: 30px;
            height: 30px;
            display: block;
            padding: 0px 25px;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }

    .kczx_video_right .cjwtmenu a:hover {
        display: block;
        color: #ff7700;
    }

.video_bg_img01 {
    position: absolute;
    top: 10px;
    left: 0;
    width: 17px;
    height: 12px;
    background: url("../images/viedo_bg_img01.png")0px 0px no-repeat;
    background-size: auto;
    background-size: 100% 100%;
}

.video_bg_img02 {
    position: absolute;
    display: none;
    top: 10px;
    right: 0;
    width: 12px;
    height: 12px;
    background: url("../images/viedo_bg_img03.png")0px 0px no-repeat;
    background-size: auto;
    background-size: 100% 100%;
}

.kczx_video_right .cjwtmenu a:hover .video_bg_img01 {
    background: url("../images/viedo_bg_img02.png")0px 0px no-repeat;
}

.kczx_video_right .cjwtmenu .video_active {
    color: #ff7700;
}

.video_active .video_bg_img01 {
    background: url("../images/viedo_bg_img02.png")0px 0px no-repeat;
}

.video_active .video_bg_img02 {
    display: block;
}

.kczx_video_right .arrow {
    display: block;
    width: 20px;
    height: 20px;
    background: no-repeat center;
    position: absolute;
    right: 0px;
    top: 16px;
}

.kczx_video_right li .arrow.up {
    background-image: url(../images/cjwt_d.png);
}

.kczx_video_right li .arrow.down {
    background-image: url(../images/cjwt_u.png);
}

.kczx_video_right li .cjwtmenu {
    display: none;
}














@media (max-width: 768px) {
    .kczx_video_header h3 {
        padding: 0px 20px;
        line-height: 50px;
        font-size: 14px;
    }

        .kczx_video_header h3 img {
            display: inline-block;
            vertical-align: middle;
            margin-right: 10px;
        }

    .kczx_video_center {
        height: 100vh;
        overflow: auto;
    }

    .kczx_video_box {
        display: block;
        height: auto;
        padding: 80px 20px 30px;
    }

    .kczx_video_left {
        height: auto;
        width: 100%;
    }

    .kczx_video_right {
        height: auto;
        width: 100%;
        margin-left: 0px;
        overflow: auto;
    }

        .kczx_video_right .expmenu {
            padding: 20px 20px;
        }

        .kczx_video_right .cjwtmenu li {
            height: 30px;
            line-height: 30px;
        }

        .kczx_video_right .arrow {
            width: 16px;
            height: 16px;
            top: 19px;
        }

        .kczx_video_right li .arrow.up {
            background-size: auto;
            background-size: 100% 100%;
            width: 12px;
            height: 12px;
        }

        .kczx_video_right li .arrow.down {
            background-size: auto;
            background-size: 100% 100%;
            width: 12px;
            height: 12px;
        }
}