@charset "UTF-8";
/***************首页 start************/
.classify_box{
    position:absolute;
    z-index:99;
    top:50px;
    width:325px;
    height:600px;
    background:rgba(0,0,0,.5);
    transition:all .3s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify_box:hover{
    overflow:inherit;
}
.classify{
    width:100%;
    height:600px;
    padding:40px 0;
    transition:all .3s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify li{
    width:100%;
    padding:0 10px;
    border-bottom:1px solid rgba(255,255,255,0.1);
    font-size:14px;
    transition:all .5s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify li:last-child{ border:0;}
.classify li>a{
    display:block;
    width:100%;
    height:65px;
    line-height:65px;
    color:#fff;
    transition:all .5s;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
.classify li>a i{
    float:right;
    color:#ddd;
}
.classify li:hover{
    padding:0 5px 0 20px;
    color:#f6dd01;
}
.classify li:hover a.first{
    color:#f6dd01;
    font-size:15px;
}
.classify li:hover a.first i{
    color:#f6dd01;
}
/*二级 start*/
.classify .second{
    position:absolute;
    top:0;
    left:325px;
    width:400px;
    height:600px;
    background:rgba(0,0,0,0.6);
    padding:40px 20px;
    transition:all .5s;
    display:none;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify .second>a{
    position:relative;
    display:block;
    width:100%;
    line-height:30px;
    border-radius:50px;
    color:#fff;
    font-size:14px;
    padding:10px 0 10px 30px;
    margin-bottom:10px;
    transition:all .5s ease;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify .second>a::after{
    content:'';
    position:absolute;
    left:15px;
    top:50%;
    margin-top:-4px;
    width:8px;
    height:8px;
    background:#fff;
    border-radius:50%;
    overflow:hidden;
}
.classify .second>a:hover::after{
    background:#f6dd01;
}
.classify .second>a:hover{
    background:rgba(255,255,255,0.4);
    font-size:15px;
    color:#f6dd01;
    padding:10px 0 10px 40px;
}
.classify li:hover .second{
    display:block;
}
/*二级 end*/
/*专辑 end*/

/*banner start*/
#banner{
    position:relative;
    width:100%;
    min-width:1280px;
    height:600px;
    overflow:hidden;
}
#carouselmain div>a,#carouselmain div>span{
    position:absolute;
    left:50%;
    transform:translate(-50%,0);
    width:1920px;
    height:600px;
}
#carouselmain .blank{
    position:absolute;
    left:39%;
    bottom:165px;
    width:520px;
}
#carouselmain .blank a{
    position:static;
    left:auto;
    transform: translate(0);
    float:left;
    width:245px;
    height:48px;
    line-height:48px;
    background-image: -moz-linear-gradient( 0deg, #ff1e00 0%, #d81e21 100%);
    background-image: -webkit-linear-gradient( 0deg, #ff1e00 0%, #d81e21 100%);
    background-image: -ms-linear-gradient( 0deg, #ff1e00 0%, #d81e21 100%);
    border-radius:50px;
    color:#fff;
    font-size:18px;
    transition:all .3s;
}
#carouselmain .blank a:first-child{
    margin-right:35px;
}
#carouselmain .blank a:hover{
    box-shadow: 0 5px 5px 1px rgba(0,0,0,.2);
}
.layui-carousel-ind li.layui-this{
    width:22px;
    border-radius:10px;
}
.layui-carousel-ind{
    bottom:30px!important;
}
.layui-carousel-arrow{ 
    opacity:1;
    margin-top:-20px;
    width:40px;
    height:40px;
    line-height:40px;
}
/*banner end*/

/*两个重点 start*/
.important_tu{
    margin:30px auto;
    overflow:hidden;
}
.important_tu a{
    float:left;
    width:calc((100% - 20px)/2);
    height:150px;
    overflow:hidden;
}
.important_tu a img{
    width:100%;
    transition:all 0.36s ease;
}
.important_tu a:first-child{
     margin-right:20px;
}
.important_tu a:hover img{
    transform:scale(1.1,1.1);
    transition: all .5s;
}
/*两个重点 end*/

/*两个重点专题课程 start*/
#important{
    position:relative;
    z-index:2;
    width:100%;
    min-width:1280px;
    overflow:hidden;
}
#important .important_course{
    padding:25px 0 40px;
}
#important .important_course:first-child{
    background:url(../images/index_bg.jpg) no-repeat center bottom;
}
.important_course .course_list{
    max-width:1400px;
    margin:0 auto;
}
#important .important_course:first-child li{
    box-shadow: 0 0 5px 1px rgb(0 0 0 / 8%);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
/*两个重点专题课程 end*/

/*专家讲堂 start*/
#teacher{ 
    width:100%;
    min-width:1280px;
    height:1040px;
    background:url(../images/teacher_bg2.jpg) no-repeat center top;
    margin:-70px auto 0;
    overflow:hidden;
}
.teacher_title{
    margin:150px auto 0;
    text-align: center;
}
.teacherList{
    position:relative;
    width:1280px;
    margin:30px auto 50px;
}
.teacherList li{ 
    position:relative;
    filter:alpha(opacity=0);
    opacity: 0;
    width:100%;
    height:380px; 
    clear:both;
    box-sizing: border-box;
}
.teacher_img{
    position:absolute;
    z-index:2;
    left:0;
    width:286px;
    height:378px;
    border:5px solid #fceebe;
    border-radius:10px;
    overflow:hidden;
    box-sizing: border-box;
}
.teacher_img img{
    width:276px;
}
.pro{
    position: absolute;
    z-index:1;
    bottom:25px;
    left:0;
    width:100%;
    height:315px;
    padding:30px 40px 30px 320px;
    background:rgba(255,255,255,0.25);
    border-radius:10px;
    color:#fff;
    box-sizing: border-box;
}
.pro h1{
    position:relative;
    left:-2px;
    bottom:-20px;
    width:120px;
    height:40px;
    line-height:40px;
    background:#fceebe;
    font-size:24px;
    color:#d70610;
    text-align: center;
    margin-bottom:35px;
}
.pro h1::after{
    position:absolute;
    right:-20px;
    top:0;
    content:'';
    width:0;
    height:0;
    border:20px solid transparent; 
    border-right-width:10px;
    border-left-width:10px;
    border-color: transparent transparent #fceebe #fceebe;
}
.pro p{
    width:100%;
    color:#fff;
    font-size:16px;
    line-height:35px;
    margin:10px 0 20px;
    overflow:hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp:2;
}
.pro p span{
    font-size:17px;
}

.scroll {
    position:relative;
    width:1100px;
    margin:0 auto;
}
.s_pre, .s_next {
    position:absolute;
    display:block;
    width:40px;
    height:100px;
    top:50%;
    margin-top:-50px;
}
a.s_pre {
    left:0;
    background:url(../images/left_jt.png);
}
a.s_pre:hover {
    background:url(../images/left_jt2.png);
}
a.s_next {
    right:0;
    background:url(../images/right_jt.png);
}
a.s_next:hover {
    background:url(../images/right_jt2.png);
}
.outScroll_pic{  
    position:relative;
    width:960px; 
    height:162px;
    margin-left: 70px;
    overflow: hidden;
}
.scroll_pic {
    position:absolute;
    width:40000px; 
    margin:0 auto;
}
.scroll_pic li {
    float:left; 
    width:162px; 
    height:162px;
    border:5px solid #b31321;
    border-radius:10px;
    margin:0 15px; 
    cursor:pointer; 
    background:#000;
    overflow:hidden;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}
.scroll_pic li img {
    width:100%;
    filter:alpha(opacity=80);
    -moz-opacity:0.8;opacity: 0.8;
}
.scroll_pic li:hover img,
.scroll_pic li:hover{
    filter:alpha(opacity=100);
    -moz-opacity:1;opacity:1;
}
#small_pic li.currently{
    border-color:#fceebe;
}
.currently img {
    filter:alpha(opacity=100)!important;
    -moz-opacity:1!important;opacity:1!important;
}
.teacher_more{
    display:block;
    width:160px;
    line-height:45px;
    border:2px solid #fff;
    border-radius:5px;
    color:#fff;
    font-size:16px;
    margin:50px auto 0;
    text-align:center;
    transition:all .5s ease;
    overflow:hidden;
}
.teacher_more i{
    transition:all .3s ease;
}
.teacher_more:hover{
    width:200px;
    color:#fff;
    box-shadow:0 5px 15px 0 rgba(245,199,17,0.5);
}
/* 专家讲堂 end*/

/*专辑列表 start*/
#course .course:nth-child(odd){
    background:url(../images/index_bg.jpg) no-repeat center bottom;
}
.title{
    width:100%;
    margin-bottom:10px;
    text-align: center;
    overflow:hidden;
}
.course_more{
    display:block;
    width:180px;
    height:50px;
    line-height:50px;
    background-color:#d70610;
    box-shadow: 0px 1px 7.2px 0.8px rgba(229, 63, 63, 0.33); 
    border-radius:50px;
    font-size:16px;
    color:#fff;
    margin:40px auto 0;
    text-align:center;
    transition:all .5s ease;
    overflow:hidden;
}
.course_more i{
    transition:all .3s ease;
}
.course_more:hover{
    width:220px;
    color:#fff;
    font-size:17px;
    box-shadow:0 2px 8px 0 rgba(201,20,24,0.5);
} 
.course{
    position:relative;
    width:100%;
    min-width:1280px;
    padding:25px 0 0;
}
.course .layui-container{
    padding-bottom:40px;
}
.course_box{
    width:100%;
    margin-top:25px;
}
.course_tu{
    position:relative;
    float:left;
    width:calc(50% - 10px);
    margin-right:20px;
    overflow:hidden;
}
.course_tu img{
    width:100%;
}
.course_bottom{
    position:absolute;
    bottom:0;
    width:100%;
    height:70px;
    line-height:70px;
    overflow:hidden;
}
.course_bottom a{
    float:left;
    width:30%;
    background:rgba(201,20,24,0.8);
    color:#fff;
    font-size:18px;
    text-align: center;
    transition:all .5s;
    box-sizing: border-box;
}
.course_bottom:hover a{
    width:100%;
    font-size:20px;
}
.course_bottom h2{
    float:right;
    width:70%;
    background:rgba(244,244,244,0.8);
    color:#000;
    font-size:24px;
    text-align: center;
    transition:all .5s;
    overflow:hidden;
}
.course_bottom:hover h2{
    width:0;
}
.course_box .course_list{
    float:left;
    width:calc(50% - 10px);
}
.course_box .course_list li{
    width:calc(50% - 10px);
    margin:0;
}
.course_box .course_list li:first-child{
    margin-right:20px;
}
/*专辑列表 end*/

/*小banner start*/
.ad{
    width:100%;
    height:120px;
    overflow:hidden;
}
.ad_banner1{ background:url("../images/ad_banner1.jpg") no-repeat center;}
.ad_banner2{ background:url("../images/ad_banner2.jpg") no-repeat center;}
.ad_banner3{ background:url("../images/ad_banner3.jpg") no-repeat center;}
/*小banner end*/
/*课程分类 end*/
/****************首页 end***************/