body{

}


.header_top{
    min-width: 1220px;
    height: 35px;
    line-height: 35px;
    width: 100%;
    background: rgba(226,226,226,0.3);
    box-sizing: border-box;
    padding: 0 33px;
}

.header_top span {
    display: inline-block;

    color: #262424;
}

.header_top span a{
    text-decoration: none;
    color: #000;
}

.header_top .tl{
    float: left;
}


.header_top .tr{
    float: right;
}

.header_top .tr b{
    font-size: 14px;
    font-weight: bolder;
    color: black;
}

.header {
    height: 60px;
    /*background: #fff;*/
    /*box-shadow: 0px 2px 5px #ebebeb;*/
    z-index: 10;
    position: relative;
    text-align: center;
    min-width: 1220px;
}

.header .logo {
    display: inline-block;
    float: left;
    width: 279px;
    /*margin: 8px 20px 0 0;*/
    background: url(/systemImages/logo.png) left;
    height: 60px;
}

.header .nav {
    display: inline-block;
}


.header .nav  li {
    display: inline-block;
    line-height: 60px;
}

.header .nav  li a {
    display: inline-block;
    padding: 0 20px;
    color: #fff;
    text-align: center;
    font-size: 16px;
    height: 60px;
    line-height: 60px;
    -webkit-transition: background-color .3s;
    font-size: 16px;
    transition: background-color .3s;
}
.header .nav  li a:hover{
    font-weight: bold;
    border-bottom: 2px solid orange;
}
.header .searchAndLogin{

    height: 60px;
    line-height: 60px;
    float: right;
    padding-right: 60px;
}

.header .searchAndLogin .search{

    float: left;

}


.header .searchAndLogin .search form {
    position: relative;
    width: 300px;
    margin: 0 auto;
}

.searchAndLogin .login{
    display: block;
    position: relative;
    float: right;
}


.d7:after {content:""; clear:both; display:table}
.d7 form {
    width: auto;
    float: right;
    margin-right: 30px;
}
.d7 input {
    width: 200px;
    height: 28px;
    padding-left: 15px;
    border-radius: 42px;
    border: 2px solid green;
    outline: none;
    position: relative;
    transition: .3s linear;
}

.d7 button {
    width: 42px;
    height: 42px;
    background: none;
    border: none;
    position: absolute;
    padding-right: 65px;
    top: 8px;
    right: 0px;
}
.d7 button:before{
    content: "\f002";
    font-family: FontAwesome;
    color: #324b4e;
}

/*.carousel{*/
/*    padding-top: 10px;*/
/*}*/

.w1220{
   width: 1220px;
   margin: 0px auto;
   overflow: hidden;
}

.course{
    padding-top: 0px;
    padding-bottom: 50px;
}

.course ul{
    width: 1220px;
    margin: 0 auto;
    padding-top: 42px;
}

.course .course_title{
    letter-spacing: .6px;
    line-height: 36px;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: #4D555D;
}

.course .course_title img {
    position: relative;
    top: -5px;
    right: 10px;
}

.course .course_title span {
    color: #93999F;
    font-size: 16px;
    font-weight: normal;
    margin: 0 2px;
}

.course .course_item{
    width: 224px;
    display: inline-block;
    margin: 20px 8px 0px 8px;
    position: relative;
}


.course .course_item:hover img {
    transform: scale(1.05);
    box-shadow: 3px 0px 9px 0px rgba(7, 17, 27, 0.1), 7px 7px 8px 0px rgba(7, 17, 27, 0.1);
    transition: all 0.3s;
}

.course .course_item b{
    width: 224px;
    height: 124px;
    border-radius: 8px;
    display: block;
    position: relative;
    top: 0px;
    transition: all .3s;
}

.course .course_item b.img {
    display: inline;
    width: 224px;
    height: 124px;
    border-radius: 8px;
    border: none;
    transition: 2s;
}

.course .course_item  img{
    width: 224px;
    height: 124px;
    border-radius: 8px;
    border: none;
    transition: 2s;
}

.course .course_item .content h5{
    padding: 8px;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    color: #07111B;
    /*height: 40px;*/
    line-height: 22px;
    word-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.course .course_item .content h5:hover{
    font-weight: bold;
}

.course .course_item .content p.word{
    line-height: 26px;
    padding: 0 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}

.course .course_item .content p.word .free{
    color: #6FBA41;
}

.course .course_item .content p.word .vip{
    color: red;
    font-weight: bold;
}

.course .course_item .content p.word span{
    margin-right: 16px;
}

.course .course_line{
    padding-top: 100px;
}

.footer{
    background: #32323B;
    padding-bottom: 0px;
    margin-top: 0px;

}

.footer .footer_left{
    float:left;
    padding-top: 50px;
    padding-bottom: 60px;
}



.footer .footer_left a{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0 10px;
}

.footer .footer_left span{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0 10px;
}

.footer .footer_left .footer_left_middle{
    padding-top: 5px;
}

.footer .footer_left .footer_left_bottom{
    padding-top: 5px;
}

.footer .footer_left .link{
    padding-top: 8px;
}

.footer .footer_left .link span{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0;
}

.footer .footer_left .link span.split{
    margin: 0 8px 0 8px;
}

.footer .footer_left .link a{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0;
}

.footer .footer_left .link span.title{
    margin-left: 10px;
}

.footer .footer_right{
    float: right;
    padding-top: 20px;
}

.footer .footer_right span{
    display: block;
    text-align: center;
    padding-top: 4px;
    color: #EAEAEA;
    font-size: 14px;
}

.footer .footer_right img{
    width: 99px;
    height: 99px;
}

.course_body{
    background-color: #EEEEEE;
}

.course_body .course_nav{
    padding-top: 20px;
    padding-bottom: 20px;
}

.course_body .course_intro{
    /*height: 320px;*/
    /*border: 1px solid #D6D6D6;*/
    /*box-sizing: border-box;*/
    /*background-color: #fff;*/
    /*padding: 20px;*/
    /*position: relative;*/
}

.course_intro .course_img{
    /*position: absolute;*/
    /*width: 446px;*/
    /*height: 250px;*/
    /*top: 20px;*/
    /*left: 20px;*/
}

.course_intro .course_img img{
    width: 448px;
    height: 280px;
}

.course_intro .course_detail{
    /*margin-left: 466px;*/
}



.course_intro .course_detail h1{
    font-size: 26px;
    color: #333333;
    font-weight: normal;
    margin-bottom: 20px;
    /*text-align: center;*/
}

.course_intro .course_detail p{
    margin-right: 50px;
    padding-bottom: 8px;
}


.course_intro .course_img2{
    position: absolute;
    bottom: 8px;
    right: 8px;

}

.course_intro .course_img2  img{
    width: 486px;
    height: 146px;
}

.course_intro .share{
    position: absolute;
    top: 18px;
    right: 18px;
}

.course_content{
    margin-top: 20px;
    padding-bottom: 40px;
}

.course_content .content_left{
    float: left;
    width: 912px;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
}

.course_content .content_left p{
    padding-top:4px;
}



.course_content .content_right{
    float: right;
    width: 282px;
}

.course_content .content_right .teacher{
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
    padding-left: 8px;
    padding-right: 8px;
}

.course_content .content_right .teacher img{
    width: 66px;
    height: 66px;
    border-radius: 50%;
    margin-top: 10px;
    float: left;
}

.course_content .content_right .teacher span{
    margin-left: 20px;
    font-size: 14px;
    color: #808080;
    line-height: 40px;
}

.course_content .content_right .teacher p{
    margin: 0px 0 0 86px;
    font-size: 12px;
    color: #808080;
    height: 40px;
    overflow: hidden;
}

.course_content .content_right .recommend{
    /*margin-top: 20px;*/
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
    padding-left: 8px;
    padding-right: 8px;
    padding-bottom: 20px;
}
.content_right .recommend img{
    width:254px;border-radius: 20px 20px 0 0;transition: all 0.5s;
}
.course_content .content_right .recommend ul.rcourse .mask{
    position: absolute;
    left: 0;
    top: 0;

    display: none;
    opacity: 0;
    width: 254px;
    height: 212px;

    background-image: linear-gradient(
            transparent,
            rgba(255,155,255,.6)
    );
    transition: all .5s;
}

.course_content .content_right .recommend .rcourse .str{
    position: absolute;
    bottom:-20px;left:5px;
    color:#000;
    /*padding-top: 5px;*/
}

.course_content .content_right .recommend ul.rcourse li{
    position: relative;
    overflow: hidden;
    margin-top: 20px;
}
.course_content .content_right .recommend ul.rcourse li:hover .str{
    bottom:10px;left:5px;
}
.course_content .content_right .recommend ul.rcourse li:hover .mask{
    display: block;opacity: 1;
}
.course_content .content_right .recommend ul.rcourse li:hover img{
    transform: scale(1.1,1.1);
}
.courseList_body .searchContent b{
    height: 20px;
    padding-right: 10px;
    line-height: 30px;
    font-weight: 700;
    font-size: 14px;
    color: #07111b;
    text-align: right;
    float: left;
}

.courseList_body .searchContent .opt{
    display: inline-block;
    line-height: 14px;
    margin-bottom: 10px;
    padding: 9px 12px;
    font-size: 14px;
    cursor: pointer;
    color: #14191e;
    margin-right: 10px;
}

.courseList_body .searchContent .on{
    background: #2ACBBB;
    color: #fff;
}

.courseList_body .searchContent a{
    float: left;
}

.courseList_body .searchContent{
    padding-top: 20px;
    padding-bottom: 10px;
}

.courseList_body .searchContent .li_1{
    height: 50px;
    border-bottom: 1px solid #edf1f2;
}

.courseList_body .searchContent .li_2{
    padding-top: 20px;
    height: 50px;
    border-bottom: 1px solid #edf1f2;
}

.courseList_body .searchContent .li_3{
    height: 50px;
    padding-top: 20px;
}

.courseList_body .searchContent .li_3 form{
    display: inline;
}

.courseList_body .searchContent .li_3 .s_input{
    height: 30px;
    width: 300px;
    display: inline;
}


.courseResult{
    background: #F3F5F7;
    padding-bottom: 30px;
}
.courseResult .course{
    padding-top: 20px;
}

.article_content{
    background: #fff;
    margin-top: 0px;

    padding-top: 35px;
    padding-left: 30px;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    padding-bottom: 20px;
}



.article_content .title{
    font-size: 24px;
    height: 56px;
    line-height: 56px;
    color: #010101;
    font-weight: normal;
    width: 100%;
    overflow: hidden;
}

.article_content .content{
    padding-top: 20px;
    padding-right: 20px;
    word-wrap:break-word;
}

.course_body .space{
    height: 40px;
}