body{
    background-color: #efefef;
}
.con_inner{
    padding-top: 20px;
}
.prism-player_con .prism-player{
    width: 800px;
    height: 450px;
    background-color: #ccc;
    position: relative;
}
.cover-player{
   
    width: 100%;
}
.cover-player .cover-img{
    position: absolute;
    top: 0;
    left: 0;
}
.cover-player .mc{
    position: absolute;
    top: 0;
    display: block;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.5);   
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

}
.cover-player .mc span{
    font-size: 30px;
    color: #ffffffab;
    margin-top: 5px;
}


.prism-player_con .download_del{
    width: 336px;
    height: 350px;
    background-color:#fff;
    padding: 43px 22px 57px 22px;
    /* position: relative; */
}
.download_top{
    border-bottom: 1px solid #e5e5e5;
    text-align: left;
}
.download_top h1{
    font-size: 24px;
}
.download_top p a{
    display:inline-block;
    width: 47px;
    height: 17px;
    line-height: 17px;
    border: 1px solid #707070;
    border-radius: 20px;
    font-size: 12px;
    color: #707070;
    text-align:center;
    text-indent: 8px;
    position: relative;
    margin: 25px 10px 27px 0;
}
.download_top p{
    position: relative;
}
.download_top p .person{
    display: block;
    width: 110px;
    height: 24px;
    background: url(../images/download_del/person_bg.png) no-repeat;
    position: absolute;
    right: -26px;
    top: 20px;
    text-align: center;
    line-height: 24px;
    padding-top: 2px;
    color: #fff;
}
.download_top p a::before{
    display: block;
    content: "";
    width: 9px;
    height: 12px;
    background: url(../images/download_del/right_01.png) no-repeat;
    position: absolute;
    top: 3px;
    left: 5px;
}
.download_center{
    padding: 80px 74px 45px 45px;
    color: #5b5b5b;
}
.status_num_l{
    position: relative;
    width: 100px;
    text-align: center;
}
.status_num_l::before{
    display: block;
    content: '';
    width: 54px;
    height: 36px;
    background: url(../images/download_del/num.png) no-repeat;
    position: absolute;
    left: 20px;
    bottom: 35px;
}
.status_num_r{
    position: relative;
    width: 50px;
    text-align: center;
}
.status_num_r::before{
    display: block;
    content: '';
    width: 54px;
    height: 36px;
    background: url(../images/download_del/keji.png) no-repeat;
    position: absolute;
    left: 6px;
    bottom: 35px;
}
.prism-player-del-box{
    margin-top: 20px;
}
.player-del_l{
 width: 700px;
 background-color: #fff;
 padding: 45px 50px;
 min-height: 1240px;
 margin-bottom: 20px;

}
.player-del_r{
    width: 356px;
    background-color:#fff;
    padding: 25px 12px;
    margin-bottom: 20px;
}
/* 弹框 */
.popout{
    color: #fff;
    position: absolute;
    left: -2px;
    z-index: 1;
    display: none;
    width: 327px;
    bottom: 112px;
}

.popout_box {
    position: relative;
    padding: 11px;
    border-radius: 10px;
    background-color: #fb6c92;
}
.popout_box .box{
    width: 300px;
    height: 20px;
    background-color: #fff;
}

.popout .sanjiao{
    width: 0;
    height: 0;
    border-width: 10px 10px 0;
    border-style: solid;
    border-color: #fb6c92 transparent transparent;
    margin: 40px auto;
    position: absolute;
    bottom: -47px;
    left: 161px;
}
.popout_r{
    margin-top: 10px;
    margin-left: 105px;
}
.popout_r p{
    font-weight: 700;

}
.popout_r span{
    color: #383633;
    margin-left: 5px;
    font-size:16px;
    font-weight: 700;
}

/* 提取码 */
.popout1{
    color: #fff;
    position: absolute;
    left: -2px;
    z-index: 1;
    display: none;
    width: 327px;
    bottom: 112px;
    padding-bottom: 15px;
    display: none;
    text-align: center;
    height: 81px;
    color: #fff;
    background-color: #fb6c92;
    line-height: 80px;
    margin-bottom: 15px;
    border-radius: 10px;
    font-size: 20px;
    padding-top: 10px;
}
.popout1 .sanjiao{
    width: 0;
    height: 0;
    border-width: 10px 10px 0;
    border-style: solid;
    border-color: #fb6c92 transparent transparent;
    margin: 40px auto;
    position: absolute;
    bottom: -47px;
    left: 161px;
}
.popout1_box span{
    color: #000;
}
.download_btn{
    position: relative;
}
.download_btn a{
    display: block;
    width: 326px;
    height: 44px;
    line-height: 44px;
    font-size: 16px;
    color: #fff;
    text-align: center;
}
.download_btn a:visited{
    color: #fff;
}
.download_btn a:hover{
    color: #fff;
    text-decoration:underline;
}
.download_btn .fx{
    background-color: #fb6c92;
    position: relative;
    
}
.download_btn #fx::before{
    display: block;
    content: "";
    width: 23px;
    height: 19px;
    background: url(../images/download_del/icon01.png) no-repeat;
    position: absolute;
    top: 12px;
    left: 20px;
    
}
.download_btn #fx::after{
    display: block;
    content: "";
    width: 23px;
    height: 19px;
    background: url(../images/download_del/icon03.png) no-repeat;
    position: absolute;
    top: 17px;
    right: 20px;
    
}
.download_btn .fx::before{
    display: block;
    content: "";
    width: 23px;
    height: 19px;
    background: url(../images/download_del/icon01.png) no-repeat;
    position: absolute;
    top: 12px;
    left: 60px;
    
}
.download_btn .fx::after{
    display: block;
    content: "";
    width: 23px;
    height: 19px;
    background: url(../images/download_del/icon03.png) no-repeat;
    position: absolute;
    top: 17px;
    right: 60px;
    
}
.download_btn .gl{
    background-color: #57bcff;
    margin-top: 24px;
    position: relative;
    
}
.download_btn .gl::before{
    display: block;
    content: "";
    width: 23px;
    height: 23px;
    background: url(../images/download_del/icon02.png) no-repeat;
    position: absolute;
    top: 11px;
    left: 60px; 
}
.download_btn .gl::after{
    display: block;
    content: "";
    width: 23px;
    height: 19px;
    background: url(../images/download_del/icon03.png) no-repeat;
    position: absolute;
    top: 17px;
    right: 60px;
}

.player-del-t{
    font-size: 30px;
    padding-bottom: 45px;
    text-align: center;
}
.course_js{
    /* background-color: palegoldenrod; */
}
.course_js h2{
    font-size: 17px;
    text-align: left;
    border-bottom: 1px solid #f5f5f5;
    padding-bottom: 12px;
    text-indent: 20px;
    position: relative;
}
.course_js h2::before{
    display: block;
    content: "";
    width: 98px;
    height: 3px;
    background-color: #2adfad;
    position: absolute;
    bottom:0;
    left: 3px;
}
.course_js p{
    text-align: left;
    font-size: 14px;
    padding: 20px 0;
    line-height: 2;
   
}
.vider_directory{
    margin-top: 20px;
}
.vider_directory h2{
    font-size: 17px;
    text-align: left;
    border-bottom: 1px solid #f5f5f5;
    padding-bottom: 12px;
    text-indent: 20px;
    position: relative;
}
.vider_directory h2::before{
    display: block;
    content: "";
    width: 98px;
    height: 3px;
    background-color: #2adfad;
    position: absolute;
    bottom:0;
    left: 3px;
}
.vider_directory .video_list{
    max-height: 870px;
    overflow: auto;
    margin-top: 20px;
}
.vider_directory .video_list::-webkit-scrollbar-track{
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
border-radius: 10px;
background-color: #F5F5F5;
}
.vider_directory .video_list::-webkit-scrollbar{
width: 10px;
height: 10px;
}
.vider_directory .video_list::-webkit-scrollbar-thumb{
border-radius: 10px;
-webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
background-color: rgba(0, 0, 0, .3);
height: 50px;
width: 5px;
}
.vider_directory .video_list li{
    height: 48px;
    line-height: 48px;
    text-align: left;
    border-bottom: 1px solid #f5f5f5;
    padding-left: 23px;
    font-size: 14px;
}

.vider_directory .video_list li:first-child{
    background-color: #f5f5f5;
}

.vider_directory .video_list li:first-child .btn{
    display: block;
    width: 30px;
    height: 30px;
    background: url(../images/download_del/btn_02.png) no-repeat;
    float: right;
    margin-right: 20px;
    margin-top: 10px;
}

.vider_directory .video_list li a{
    color: #756b71;
    width: 100%;
    height: 100%;
    display: block;
}
.vider_directory .video_list li:first-child a{
    cursor: pointer !important;
}
.hot_video_top h2{
    border-bottom: 1px solid #e5e5e5;
    font-size: 24px;
    text-align: left;
    padding-bottom: 10px;
    color: #333333;
    text-indent:16px;
}
.hot_video_list{
    padding: 25px 12px 0 12px;
}
.hot_video_list li{
    text-align: left;
    margin-bottom: 20px;
    /* padding-left: 35px; */
    position: relative;
    height: 26px;
    line-height: 22px;
    

}
.hot_video_list li span{
    display: block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    background-color: #b1bec7;
    border-radius: 5px;
    text-align: center;
    float: left;
    color: #fff;
}
.hot_video_list li:first-child span{
    background-color: #f94d96;

}
.hot_video_list li:nth-child(2) span{
    background-color: #a68ff4;

}
.hot_video_list li:nth-child(3) span{
    background-color: #2adfad;

}
/* .hot_video_list li::before{
    display: block;
    content: "";
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    background-color: red;
    color: #fff;
    border-radius: 5px;
    position: absolute;
    top:2px;
    left: 0;

} */
/* .hot_video_list li:nth-child(1)::before{
    content: "1";
    background-color: #ff3000;
   
}
.hot_video_list li:nth-child(2)::before{
    content: "2";
    background-color: #fd6200;
   
}
.hot_video_list li:nth-child(3)::before{
    content: "3";
    background-color: #feb403;
   
}
.hot_video_list li:nth-child(4)::before{
    content: "4";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(5)::before{
    content: "5";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(6)::before{
    content: "6";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(7)::before{
    content: "7";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(8)::before{
    content: "8";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(9)::before{
    content: "9";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(10)::before{
    content: "10";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(11)::before{
    content: "11";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(12)::before{
    content: "12";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(13)::before{
    content: "13";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(14)::before{
    content: "14";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(15)::before{
    content: "15";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(16)::before{
    content: "16";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(17)::before{
    content: "17";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(18)::before{
    content: "18";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(19)::before{
    content: "19";
    background-color: #6d84a8;
   
}
.hot_video_list li:nth-child(20)::before{
    content: "20";
    background-color: #6d84a8;
   
} */
.hot_video_list li a{
    font-size: 14px;
    color: #353535;
    padding-left: 32px;
    display: block;
}

/* 资料平台 start */
.video_l_pt{
   width: 380px;
   height: 280px;
   background: url(../images/download_del/line.png) center center no-repeat;
   overflow: hidden;
   box-sizing: border-box;
   -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
   background-color:#fff;
   margin-bottom: 20px;
    
}

.video_l_pt ul li{
    position: relative;
    float: left;
    width: 190px;
    height: 140px;
    overflow: hidden;
}
.video_l_pt ul li.gengxin{
    /* background-color: #20b59c; */
}
.video_l_pt ul li:hover{
    box-shadow: 0 0 10px #ccc;
}
.video_l_pt ul li a{
    width: 100%;
    height: 100%;
    display: block;
    font-size: 18px;
    font-family: "微软雅黑";
    color: #666666;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-decoration: none;
}
.video_l_pt ul li a p{
    margin-top: 10px;
}
.video_l_pt ul li a:hover{
    text-decoration: underline;
}
.video_l_pt ul li a.zl_c{
    color: #666666;
}
a.zl_c{
}
.video_l_pt ul li.gengxin{
  
}
.video_l_pt ul li a.zl_c i{
    background: url(../images/download_del/zl_icon.png) no-repeat center center;

}
.video_l_pt ul li a.db_c{
    color: #666666;
    width: 135px;
    height: 100px;
    /* background-color: #20b59c; */
    margin: 0 auto;
    margin-top: 20px;
}
.video_l_pt ul li a.db_c i{
    background: url(../images/download_del/dy_icon.png) no-repeat center center;
  
}
.video_l_pt ul li a.pj_c{
    color: #666666;
}
.video_l_pt ul li a.pj_c i{
    background: url(../images/download_del/pj_icon.png) no-repeat center center;
  
}

.video_l_pt ul li a.jl_c{
    color: #666666;
}
.video_l_pt ul li a.jl_c i{
    background: url(../images/download_del/db_icon.png) no-repeat center center;
   
}
.video_l_pt ul li i{
    display: block;
    width: 48px;
    height: 46px;
    /* margin: 20px auto; */
   
}


/* qq群 */
/* .bottom_b{
    width: 100%;
    height: 100px;
    background-color: pink;
} */

/* 资料平台 end */


/* 新样式 */
/* .content_box{
    padding-top: 55px;
} */
.kc_down{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top:40px;
    position: relative;
}
.kc_down::before{
    display: block;
    content:"";
    width: 1px;
    height: 50px;
    background-color: #ccc;
    position: absolute;
    top: 42px;
    left: 14px;
}
.kc_down:last-child::before{
    display:none;
}
.kc_down .icon_down{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/xz_k.png) no-repeat;
}
.kc_down .icon_down.active{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/xz_s.png) no-repeat;
}

.kc_down .gl_b{
    margin-left: -12px;
}
.kc_down .icon_btn{
    /* width:118px;
    height: 37px;
    line-height: 37px;
    text-align: center;
    background-color: #ff3105;
    color: #fff;
    border-radius: 5px; */

    width:118px;
    height: 37px;
    line-height: 37px;
    text-align: center;
    background-color: #fff;
    color: #ff3105;
    border-radius: 5px;
    border: 1px solid #ff3105;
   
}
.kc_down .icon_btn a{
    display: block;
    width: 100%;
    height: 100%;
    line-height: 37px;
    text-decoration: none;
    color: #ff3105;
}
.kc_down .kc_t{
    font-size: 16px;
    font-weight: 700;
    color: #333333;
}
.kc_down .kc_s{
    font-size: 14px;
    color: #848484;
}
.content_box .college .icon_btn a{
    width:118px;
    height: 37px;
    line-height: 37px;
    text-align: center;
    background-color: #fff;
    color: #ff3105;
    border-radius: 5px;
    /* border: 1px solid #ff3105; */

}
.content_box .college .icon_down{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/gl_k.png) no-repeat;
}
.content_box .college .icon_down.active{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/gl_s.png) no-repeat;
}
/* .content_box .college:hover .icon_down{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/gl_s.png) no-repeat;
} */
.content_box .exchange .icon_down{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/qq_k.png) no-repeat;
}
.content_box .exchange .icon_down.active{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/qq_s.png) no-repeat;
}

/* .content_box .exchange:hover .icon_down{
    display: block;
    width: 29px;
    height: 29px;
    background: url(../images/download_del/qq_s.png) no-repeat;
} */
.content_box .exchange .icon_btn a{
    width:118px;
    height: 37px;
    line-height: 37px;
    text-align: center;
    background-color: #fff;
    color: #ff3105;
    border-radius: 5px;
    /* border: 1px solid #ff3105; */

}
.content_box .icon_btn a.active{
    background-color: #ff3105;
    color: #fff;
}
.content_box .kc_down a:hover{
    /* background-color: #ff3105;
    color: #fff; */
}