.keclassify_banner{
    width: 100%;
    height: 130px;
    background: url("../../img/courseware/keclassify/banner.png") no-repeat center;
    background-size: cover;
    min-width: 1200px;
    margin-top: 70px;
}

.leftbj {
    display: block;
    position: absolute;
    top: 270px;
    left: 0;
}

.rightbj {
    display: block;
    position: absolute;
    top: 200px;
    right: 0;
}

.keclassify_content {
    width: 1300px;
    margin: 80px auto 70px auto;
    overflow: hidden;
    box-sizing: border-box;
    padding: 40px 50px 100px 50px;
    min-height: 600px;
    position: relative;
    text-align: center;
}
.xz_p1{
    margin-bottom: 40px;
    font-size: 18px;
    color: #ff4725;
    font-weight: bold;
}

.ydImg {
    width: 345px;
    height: 186px;
    display: block;
    position: absolute;
    top: 205px;
    left: 544px;
    cursor: pointer;
    z-index: 1001;
}

.keclassify_listA {
    /*float: left;*/
    width: 340px;
    height: 200px;
    position: relative;
    margin-left: 40px;
    border-radius: 10px;
    box-sizing: border-box;
    display: inline-block;
    transition: all 0.3s linear;
}
.updating{
    position: absolute;
    top: 20px;
    left: 20px;
}

.keclassify_listA:hover {
    box-shadow: 0 10px 20px rgba(25,24,40,0.25);
    transform:scale(1.06);
}

.keclassify_listA:first-child {
    margin-left: 0;
}

.rlist {
    background: url("../../img/courseware/keclassify/rbj.png") no-repeat center;
    background-size: cover;
    border: 2px solid #F24C49;
}

.ylist {
    background-size: cover;
}

.tuiImg {
    width: 92px;
    /*height: 91px;*/
    display: block;
    position: absolute;
    top: -4px;
    right: -4px;
}

.keclassify_tita {
    width: 100%;
    display: block;
    position: absolute;
    top: 30px;
    left: 0;
    font-size: 20px;
    color: #E66400;
    text-align: center;
}

.keclassify_titb {
    width: 100%;
    display: block;
    position: absolute;
    top: 60px;
    left: 0;
    font-size: 32px;
    text-align: center;
}

.rtitb {
    color: #CC3015;
}

/*.ytitb {
    color: #E66400;
}*/

.keclassify_titc{
    width: 100%;
    display: block;
    position: absolute;
    top: 120px;
    left: 0;
}

.keclassify_titd {
    width: 120px;
    height: 40px;
    border-radius: 20px;
    display: block;
    margin: 0 auto;
    font-size: 16px;
    font-weight: bold;
    color: #ffffff;
    text-align: center;
    line-height: 40px;
}

.rtitd {
    background: #CC3014;
    box-shadow: 0px 1px 5px rgba(204,48,20,0.5);
}

/*.ytitd {
    background: #FD8222;
    box-shadow: 0px 1px 5px rgba(204,48,20,0.5);
}
*/

.rlist:hover {
    transition: all .2s linear;
    -webkit-transition: all .2s linear;
    -ms-transition: all .2s linear;
    -moz-transition: all .2s linear;
    -o-transition: all .2s linear;
}

/*.rlist:hover .rtitd {
    transition: all .2s linear;
    -webkit-transition: all .2s linear;
    -ms-transition: all .2s linear;
    -moz-transition: all .2s linear;
    -o-transition: all .2s linear;
    background: #ba2307;
}*/

.ylist:hover {
    transition: all .2s linear;
    -webkit-transition: all .2s linear;
    -ms-transition: all .2s linear;
    -moz-transition: all .2s linear;
    -o-transition: all .2s linear;
}

/*.ylist:hover .ytitd {
    transition: all .2s linear;
    -webkit-transition: all .2s linear;
    -ms-transition: all .2s linear;
    -moz-transition: all .2s linear;
    -o-transition: all .2s linear;
    background: #f17412;
}*/

/*�����ɲ�*/
.ydMeng {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.ydOver {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.keclassify_titz {
    position: absolute;
    top: 24px;
    left: 0;
    text-align: center;
    display: block;
    font-weight: 400;
    color: #E56300;
    font-size: 22px;
    width: 100%;
}
/* 导航 */
.detail_nav {
    overflow: hidden;
    width: 1000px;
    margin: 0 auto;
    margin-top: 20px;
}

.detail_navA {
    float: left;
    font-size: 15px;
    color: #666666;
    line-height: 24px;
}

.detail_navI {
    float: left;
    width: 24px;
}

.detail_navP {
    float: left;
    font-size: 15px;
    color: #666666;
    margin: 0 5px;
    line-height: 24px;
}



@media (max-width: 1440px){
    .keclassify_banner{
        height: 110px;
        background: url("../../img/courseware/keclassify/sbanner.png") no-repeat center;
        background-size: cover;
        min-width: 1000px;
        margin-top: 53px;
    }

    .leftbj {
        top: 214px;
        content: url("/static/pc/img/courseware/keclassify/sleftbj.png");
    }

    .rightbj {
        top: 110px;
        content: url("/static/pc/img/courseware/keclassify/srightbj.png");
    }

    .keclassify_content {
        width: 1000px;
        margin: 90px auto 0 auto;
        min-height: 450px;
    }

    .keclassify_listA {
        width: 276px;
        height: 163px;
        margin-left: 36px;
    }

    .rlist {
        background: url(../../img/courseware/keclassify/srbj.png) no-repeat center;
        background-size: cover;
    }

    .ylist {
        background: url(../../img/courseware/keclassify/sybj.png) no-repeat center;
        background-size: cover;
    }

    .tuiImg {
        content: url(/static/pc/img/courseware/keclassify/tui.png);
        width: 60px;
        height: 59px;
    }


    .keclassify_titb {
        font-size: 26px;
        top: 48px;
    }

    .keclassify_titd {
        width: 98px;
        height: 32px;
        border-radius: 16px;
        line-height: 32px;
        font-size: 14px;
    }

    .keclassify_titc {
        top: 98px;
    }

    .keclassify_tita {
        font-size: 16px;
        top: 21px;
    }

    .ydImg {
        content: url("/static/pc/img/courseware/keclassify/syd1.png");
        width: 288px;
        height: 156px;
        top: 171px;
        left: 455px;
    }

    .keclassify_titz {
        font-size: 18px;
    }

}