@charset "UTF-8";

*{padding: 0;margin: 0;outline: 0}
body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td{margin:0;padding:0; border:0px;}
body,button,input,select,textarea{font-family:'Microsoft YaHei','宋体';}
body{font-size:14px;height:100%;}
h1,h2,h3,h4,h5,h6{font-size:100%;}
ul,ol,li{list-style:none;}
i,em,b{font-style:normal; display:block; line-height:20px;}
a{text-decoration:none;}
a:link, a:visited, a:hover, a:active {text-decoration: none;cursor: pointer;}
fieldset,img{border:0;}
.fl{float:left;}
.fr{float:right;}
.clear{clear:both;}
.clearfix:after{content:".";display:block;height:0;clear: both;visibility:hidden;}
body{min-width: 1006px;}



.pcBox{
    width: 968px;
    margin: 0 auto;
}

/*===========================pc版在线课程列表页================================*/

.zxkc-tit {
    background: #f5f5f5;
    position: relative;
    padding-top: 6px;
    padding-bottom: 5px;
}
.zxkc-tit h2{
    display: inline-block;
    font-size: 18px;
    line-height: 34px;
    color: #fff;
    background: #0049b5;
    padding-left: 14px;
    padding-right: 24px;
    border-radius: 0 5px 5px 0;
    font-weight: normal;
}

.zxkc-tit a{
    position: absolute;
    right: 18px;
    top: 0;
    font-size: 14px;
    line-height: 44px;
    color: #0049b5;
}
.zxkc_list ul li{
    float: left;
    width: 30.99%;
    margin-left: 3.515%;
    margin-bottom: 48px;
}
.zxkc_list ul li:nth-child(3n+1){
    margin-left: 0;
}
.zxkc_list ul li a{
    display: block;
    color: inherit;
}
.zxkc_list ul li a .img_hz{
    position: relative;
    height: 193px;
    overflow: hidden;
}
.zxkc_list ul li .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_list ul li .txt h2{
    font-size: 16px;
    color: #333;
    line-height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 10px;
}
.zxkc_list ul li .txt i{
    display: block;
    width: 20px;
    height: 2px;
    background: #0049b5;
    margin: 0 auto 6px;
}
.zxkc_list ul li .txt p{
    font-size: 14px;
    line-height: 20px;
    color: rgba(17, 17, 17, 0.6);
    text-align: center;
}
.zxkc_list ul li .txt{
    padding-top: 29px;
}
.zxkc_list ul li:hover .img_hz img{
    transform: scale(1.05);
}
.zxkc_list ul li:hover .txt h2{
    color: #0049b5;
}
.zxkc_list ul{
    padding-top: 28px;
    padding-bottom: 33px;
}

/*======================pc版在线课程内容页==========================*/

.zxkc_dtl_item .block1{
    font-size: 0;
}
.zxkc_dtl_item .block1 .img_hz{
    display: inline-block;
    vertical-align: top;
    width: 483px;
    height: 323px;
    position: relative;
}
.zxkc_dtl_item .block1 .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_dtl_item .block1 .txt{
    display: inline-block;
    vertical-align: top;
    width: 445px;
    margin-left: 40px;
}
.zxkc_dtl_item .block1 .txt h2{
    font-size: 24px;
    color: #111111;
    line-height: 34px;
    font-weight: normal;
    margin-bottom: 23px;
}
.zxkc_dtl_item .block1 .txt>div{
    position: relative;
    padding-left: 110px;
    margin-bottom: 13px;
}
.zxkc_dtl_item .block1 .txt div p{
    font-size: 16px;
    line-height: 28px;
    color: rgba(17, 17, 17, 0.7);
}
.zxkc_dtl_item .block1 .txt div.dx p{
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 84px;
}
.zxkc_dtl_item .block1 .txt div.js p{
    display: -webkit-box;
    /* -webkit-line-clamp: 4; */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: auto;
}
.zxkc_dtl_item .block1 .txt div span{
    position: absolute;
    left: 0;
    top: 0;
    font-size: 16px;
    line-height: 28px;
    color: rgba(17, 17, 17, 0.7);
    padding-left: 25px;
}
.zxkc_dtl_item .block1 .txt div span img{
    position: absolute;
    left: 0;
    top: 5px;
}
.zxkc_dtl_item .block1{
    padding-bottom: 21px;
    margin-bottom: 38px;
    border-bottom: 1px solid #f0f0f0;
}
.zxkc_dtl_item .block2 li{
    float: left;
    width: 30.99%;
    margin-left: 3.515%;
    margin-bottom: 33px;
}
.zxkc_dtl_item .block2 li:nth-child(3n+1){
    margin-left: 0;
}


.zxkc_dtl_item .block2 li a{
    display: block;
    color: inherit;
}
.zxkc_dtl_item .block2 li a .img_hz{
    position: relative;
    height: 193px;
    overflow: hidden;
}
.zxkc_dtl_item .block2 li .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_dtl_item .block2 li .txt h2{
    font-size: 16px;
    color: #333;
    line-height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 8px;
}
.zxkc_dtl_item .block2 li .txt p{
    font-size: 14px;
    line-height: 20px;
    color: rgba(17, 17, 17, 0.6);
    text-align: center;
}
.zxkc_dtl_item .block2 li .txt{
    padding-top: 16px;
}
.zxkc_dtl_item .block2 li:hover .img_hz img{
    transform: scale(1.05);
}
.zxkc_dtl_item .block2 li:hover .txt h2{
    color: #0049b5;
}
.zxkc_dtl_item .block2 .gd a{
    display: block;
    width: 125px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 34px;
    color: #0049b5;
    text-align: center;
    border: 1px solid #dddddd;
    border-radius: 50px;
    background: #fafafa;
    transition: .5s;
}
.zxkc_dtl_item .block2 .gd a:hover{
    color: #fff;
    background: #0049b5;
    border-color: #0049b5;
}

.zxkc_dtl_list li a{
    display: block;
    font-size: 16px;
    line-height: 44px;
    color: #111;
    padding-left: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.zxkc_dtl_list li{
    position: relative;
}
.zxkc_dtl_list li:before{
    position: absolute;
    content: '';
    left: 0;
    top: 50%;
    width: 9px;
    height: 2px;
    background: #0049b5;
    margin-top: -1px;
}
.zxkc_dtl_list li:hover a{
    color: #0049b5;
}
.zxkc_dtl_list{
    padding-top: 23px;
}
.zxkc_dtl_item{
    margin-bottom: 37px;
}