body{
    background: #fff;
}
.box{
    width: 100%;
    margin: 0 auto;
    background: url(../img/bg-pc1.png) no-repeat center 3020px;
}

.banner{
    /* height: 450px;
    background: #c1c1c1; */
    margin-bottom: 120px;
}

.jasoncarousel{position:relative;width:810px;height:320px;margin:0 auto ;overflow: hidden;}
.jasoncarousel ul{list-style:none;padding:0;margin:0;position:absolute;top:0;left:0;cursor: pointer;}
/*.jasoncarousel img{display: block;width: 100%;height: 100%;}*/
.jasoncarousel .next,.jasoncarousel .prev{position:absolute;left:0;top:50%;transform: translate(0,-50%);padding:10px 5px;width:30px;height:50px;line-height:50px;background-color: rgba(0,0,0,.3);text-align:center;color:#fff;}
.jasoncarousel .next{left:auto;right:0;}
.jasoncarousel .page{position: absolute;left:50%;bottom:15px;z-index: 10;transform: translate(-50%,0)}
.jasoncarousel .page span{display:inline-block;margin:0 5px;width:15px;height:15px;line-height:30px;text-align:center;background-color:rgba(255, 255, 255, 0.5);border-radius:50%;z-index: 3;cursor: pointer;}
.jasoncarousel .page span.active{background-color:#fff;}
.jasoncarousel .prev{width: 50px;height: 50px;position:absolute;left:50px;top:50%;transform: translate(0,-50%);opacity:0.6;cursor: pointer;z-index: 15;
    display: none;opacity: 0;
}
.jasoncarousel .next{width: 50px;height: 50px;position:absolute;right:50px;top:50%;transform: translate(0,-50%);opacity:0.5;cursor: pointer;z-index: 15;
    display: none;opacity: 0;
}








main{
    width: 1200px;
    margin: 0 auto ;
    padding-top: 40px;
}
main h4{
    width: 1200px;
    font-size: 30px;
    color: #303133;
    line-height: 42px;
    margin: 0px auto 10px;
    text-align: center;
}
main>h4{
    margin-bottom: 36px;
}
main .course_nav{
    width: 1200px;
    /* display: flex; */
    /* justify-content:space-between; */
}
main .course_nav div{
    float: left;
    margin-right: 50px;
    font-size: 24px;
    line-height: 42px;
    color: #909399;
    border-bottom:3px solid transparent;
    cursor: pointer;
}
main .course_nav div:hover{
    border-bottom:3px solid #409EFF;
    color: #409EFF;
}
main .course_nav .course_nav_in{
    border-bottom:3px solid #409EFF;
    color: #409EFF;
}
main .course_nav .course_nav_many{
     float: right ;
     margin-right: 10px;
}
.course_main{
    display: none;
    height: 573px;
    padding-top: 13px;
}
.course_main_in{
    display: block;
}
.cos_mi_4{
    float: left;
    margin-right: 53px;
    width:260px;
    height: 260px;
    box-shadow:0px 5px 50px rgba(133,138,209,0.3);
    margin-bottom:20px;
    border-radius:10px;
    background: #fff;
}
.cos_mi_4:nth-child(4n){
     margin-right: 0px;
}
.cos_mi_4_img{
  position:relative;
    width: 260px;
    height: 146px;
}
.cos_mi_4_img img{
    position:absolute;
    top:0;
    left:0;
      border-top-left-radius:10px;
    border-top-right-radius:10px;
   width: 260px;
    height: 146px;
}
.cos_mi_4 p{
    width: 231px;
    line-height: 25px;
    height: 50px;
    font-size: 18px;
    margin-left: 15px;
    margin-top: 10px;
    text-align: justify;
    color: #909399;
}
.cos_mi_4 p:hover{
     color: #409EFF;
}
.cos_mi_4_show{
    position: relative;
}
.cos_mi_4_show a>div:nth-child(1){
    margin-left: 15px;
    margin-top: 10px;
    width: 70px;
    line-height: 24px;
    font-size: 14px;
    text-align: center;
    color: #FA5555;
    border:1px solid #FA5555;
}
.cos_mi_4_show>div:nth-child(2){
    position: absolute;
    right: 15px;
    top: 0;
    line-height: 24px;
    color: #409EFF;
}
.course_btn{
    margin: 20px auto 0;
    width:268px;
    height:50px;
    background:rgba(64,158,255,1);
    font-size: 18px;
    color:rgba(255,255,255,1);
    line-height: 50px;
    text-align: center;
    opacity:1;
    border-radius:39px;
    cursor: pointer;
}
.course_btn:hover{
    background: #3589e0;
}




.student{
    margin-top: 100px;
     text-align: center;
}
.student>div{
    margin:38px auto 0;
    width:1200px;
}

.student_demo{
    float:left;
    margin-right:30px;
    margin-bottom:25px;
    padding-left:24px;
    padding-top:24px;
    width:356px;
    height:280px;
    background:rgba(255,255,255,1);
    box-shadow:0px 5px 50px rgba(133,138,209,0.3);
    border-radius:10px;
    position:relative;
}
.student .student_demo:nth-child(3n){
    margin-right:0;
}

.student_demo_img{
    width: 73px;
    height: 73px;
    box-shadow:0px 3px 24px rgba(24,0,106,0.33);
    border-radius: 50%;
}
.student_demo_img img{
    width:100%;
    height:100%;
}
.student_user{
    position:absolute;
    top:45px;
    right:24px;
    text-align:right;
}
.student_user p{
    font-size:14px;
    color:#303133;
    line-height:24px;
}
.student_user {
    line-height:19px;
    font-size:14px;
    color:#999;
}

.student_demo>p{
    margin-top:10px;
    width:332px;
    font-size:14px;
    color:#303133;
    text-align:left;
}


/* 学习路径 */
.studyPath{
    margin: 140px auto 0;
    
}
.studyPath>div{
    margin: 30px auto 20px;
    width: 506px;
}
.studyPath_case{
    float: left;
    margin-right: 58px;
    cursor: pointer;
}
.studyPath_case:nth-child(3){
    margin-right: 0;
}

.studyPath_case>div{
    width:126px;
    font-size: 14px;
    color: #188EEE;
    border:2px solid #188EEE;
    text-align: center;
    border-radius:5px;
}
.studyPath_case div:nth-child(1){
    height: 65px;
    line-height: 65px;
}
.studyPath_case div:nth-child(2){
    position: relative;
    width:130px;
    margin-top: 8px;
    background: transparent;
    height: 5px;
    border:none;
    border-radius:5px;
}
.studyPath_case div:nth-child(2)::after{
    content: '';
    position: absolute;
    top:-7px;
    left: 65px;
    width: 0;
    height: 0;
    border-top:2px solid transparent;
    border-left:2px solid transparent;
    border-right:2px solid transparent;
    border-bottom:5px solid transparent;
}
.studyPath .studyPath_case_in div:nth-child(1){
    color: #fff;
    background: #188EEE;
}

.studyPath .studyPath_case_in div:nth-child(2){
    background: #188EEE;
}

.studyPath .studyPath_case_in div:nth-child(2)::after{
    border-bottom:5px solid #188EEE;

}
.studyPath>p{
    margin: 0 auto;
    text-align: center;
    width: 1080px;
    height: 370px;
}
.studyPath>p img{
    max-width: 1080px;
}
/* 专业学习平台 */
 .skill_show{
     width: 1200px;
     margin: 0 auto;
 }
 .skill_show>div{
     margin-top: 30px;
     margin-bottom: 77px;
 }
.skill_show_case{
    float: left;
    margin-right: 26px;
    width:280px;
    height:100px;
    background:rgba(229,239,255,1);
    opacity:1;
    border-radius:5px;
    transition: ease 0.2s;
}
.skill_show_case:hover{
    background: #BCD6FF;
    box-shadow: 0px 12px 24px 0px rgba(62, 145, 255, 0.2);
    transform: translateY(-5px);
}
    
.skill_show_case:nth-child(4){
    margin-right: 0;

}
.skill_show_case>div{
    float: left;
}
.skill_show_case>div:nth-child(1){
    margin: 30px 24px;
    width: 40px;
    height: 40px;
}
.skill_show_case>div:nth-child(1) img{
    width: 100%;
    height: 100%;
}
.skill_show_case>div:nth-child(2){
    margin: 17px 0 0;
    width: 160px;
    font-size: 18px;
}

.skill_show_case>div:nth-child(2) p{
    margin-top: 3px;
    width: 174px;
    font-size: 12px;
    color: #666777;
    line-height:18px;
    letter-spacing: 0;
}

/* 立即注册 */
.bgc_img2 h4{
   width: 1200px;
    font-size: 30px;
    color: #303133;
    line-height: 42px;
    margin: 0px auto 10px;
    text-align: center;
}
.bgc_img2 .register>p{
    margin-top: 10px;
    text-align: center;
    height:28px;
    font-size:20px;
    line-height:28px;
    color:rgba(96,98,102,1);
}

.register>div{
    width: 350px;
    margin: 27px auto 0;

}
/* .register>div>input{
    padding-left: 35px;
    width:398px;
    height:58px;
    background:rgba(255,255,255,1);
    box-shadow:0px 5px 50px rgba(133,138,209,0.3);
    opacity:1;
    border-radius:29px;
} */
.register>div>button{
        margin-bottom:120px;
    width:350px;
    line-height:58px;
    color: #fff;
    background-image: linear-gradient(to right, #FF9341,#FF5D00);
    /* background:rgba(64,158,255,1); */
    box-shadow:0px 5px 50px rgba(133,138,209,0.3);
    font-size: 20px;
    letter-spacing: 2px;
    opacity:1;
    border-radius:29px;
    cursor: pointer;
}
.register>div>button:active{
    background:#2977c7 ;
}


.bgc_img2{
    margin : 0 auto;
 width: 100%;
 background: url(../img/bg-pc2.png) no-repeat left 410px;
}

.right{
    position: fixed;
    top: 45%;
    right: 1%;
    padding-left: 6px;
    padding-right: 6px;
    padding-top: 10px;
    width:48px;
    height:230px;
    background:rgba(255,255,255,1);
    border:1px solid rgba(220,223,230,1);
    box-shadow:0px 12px 24px rgba(137,139,213,0.16);
    border-radius:5px;
    font-size: 12px;
    color: #909399;
    z-index: 9999;
}
.right>div{
    position: relative;
    margin-top: 10px;
    cursor: pointer;
}
/* .right>div>div{
  
    padding: 15px;
    background:rgba(255,255,255,1);
    border:1px solid rgba(220,223,230,1);
    box-shadow:0px 12px 24px rgba(137,139,213,0.16);
} */
.right>div p{
    text-align: center;
}
.right>hr{
    margin-left: 4px;
    width:40px;
    height:0px;
    border:1px solid rgba(235,238,245,1);
    opacity:1;
}
.telePhone:hover>div{
    display: block;
}
.telePhone>div{
    display: none;
    position: absolute;
    left: -190px;
    top: 0;
    width:163px;
    height:62px;
    background:rgba(255,255,255,1);
    border:1px solid rgba(220,223,230,1);
    box-shadow:0px 12px 24px rgba(137,139,213,0.16);
    opacity:1;
    border-radius: 5px;
}
.telePhone>div::after{
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translate(0,-50%);
    content: '';
    border-left: 8px solid  #fff;
    border-top: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid transparent;
}
.telePhone>div::before{
    position: absolute;
    right: -17px;
    top: 50%;
    transform: translate(0,-50%);
    content: '';
    border-left: 8px solid  #dcdfe6;
    border-top: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid transparent;
}
.telePhone>div>div{
    padding-top: 10px;
    margin-left: 15px;

}
.telePhone>div>p{
    margin-left: 15px;
   width:124px;
    height:22px;
    font-size:16px;
    font-weight:800;
    line-height:24px;
    color:rgba(48,49,51,1);
    opacity:1;
}
.imgApp:hover>div{
    display: block;
}
.imgApp>div{
    display: none;
    position: absolute;
    left: -150px;
    top: -60px;
    padding:15px;
    background: #fff;
    border:1px solid rgba(220,223,230,1);
    box-shadow:0px 12px 24px rgba(137,139,213,0.16);
    border-radius: 5px;
}
.imgApp>div::after{
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translate(0,-50%);
    content: '';
    border-left: 8px solid  #fff;
    border-top: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid transparent;
}
.imgApp>div::before{
    position: absolute;
    right: -17px;
    top: 50%;
    transform: translate(0,-50%);
    content: '';
    border-left: 8px solid  #dcdfe6;
    border-top: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid transparent;
}
.right a{
  color: #909399;
}


/*发展历程*/



.history{
    margin-left:-360px;
    margin-top:108px;
    width: 1920px;
}
.history-img{
    width: 1920px;
    height: 385px;
    background-image: url(../img/guan2.png);
    background-size: 1920px;
}
.history-img>p{
    padding-top: 120px;
    font-size: 32px;
    width: 1200px;
    margin:0 auto;
    text-align: center;
    font-weight: 800;
    color:#fff;
    letter-spacing:3px;
    margin-bottom: 40px;
}

.line {
    width: 520px;
    height: 100px;
   margin: 0 auto;
}

.line1 {
    width: 24px;
    height: 24px;
    float: left;
    position: relative;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.line1_1 {
    position: absolute;
    font-size: 16px;
    top: -30px;
    text-align: center;
    left:5px;
    color: #fff;
    margin-left: -10px;
}

.line1_2 {
    width: 18px;
    height: 18px;
    position: absolute;
    top: 3px;
    left: 3px;
    border-radius: 50%;
}
#line1_2 {
background: #fff;;
}
.line2 {
    float: left;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    width: 100px;
    margin-top: 11px;
}
.history-event{
    margin-top: 90px;
    /* width: 12px; */
    width: 1200px;
    margin: 0 auto;
    margin-top: 90px;
    overflow: hidden;
}
.history-even-box{
    width: 3500px;
    height: 220px;
    position: relative;
    left:0;
}
.history-event-new{
    width: 300px;
    margin-right: 50px;
    float: left;
}
.history-event-new p{
    font-style: italic;
    font-size: 24px;
    height: 29px;
    line-height: 29px;
    margin-bottom: 16px;
    color: #303133;
    font-weight: 800;
}
.history-event-new hr{
    color:#DCDFE6;
    border-top:none;
    margin-bottom: 8px;
}
.history-event-new div{
    float: left;
    font-size: 14px;
    line-height: 32px;
    color:rgba(96,98,102,1);
}
.history-event-new-shuo{
    width: 250px;
}




/*我们的优势*/

.good{
    width: 1200px;
    margin: auto;
}
.good-head{
    padding-top: 80px;
    width: 100%;
    text-align: center;
    font-size: 35px;
    color:#303133;
    font-weight: 800;
    line-height: 49px;
    height: 49px;
    letter-spacing: 30px;
    margin-bottom: 39px;
}
.good1-head1{
    font-size: 23px;
    height: 32px;
    line-height: 32px;
    font-weight: 800;
    margin-bottom: 37px;
}
/* .good1-img{
    height: 1px;
} */
.good1-img div{
    width: 140px;
    height: 100px;
    background: #ccc;
    float: left;
    margin-right: 11px;
    position: relative;
    top: 0;
    left: 0;
}
.good1-img div img{
    position: absolute;
    left:0;
    top:0;
    width: 100%;
    height: 100%;
}
.good1-img div p{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: 18px;
    font-weight: 800;
    color:#fff;
}
.good1-show{
    font-size: 16px;
    line-height: 45px;
    color: #303133;
    padding-top: 10px;
    margin-bottom: 80px;
}
.good2-head1{
    font-size: 23px;
    height: 32px;
    line-height: 32px;
    font-weight: 800;
    margin-bottom: 30px;
}
.good2-show{
    font-size: 16px;
    line-height: 36px;
    color: #303133;
    padding-top: 10px;
    margin-bottom: 52px;
}
.myShow{
    background: #F8FAFC;
    width: 280px;
    height: 220px;
    margin-right: 26px;
    float: left;
    margin-bottom: 54px;
}
.myShow:nth-child(4n){
    margin-right: 0;
}
.myShow-1{
    position: relative;
}
.myShow-1-img{
    width: 120px;
    height: 120px;
    background: #ccc;
    position: absolute;
    top:-20px;
    left:20px;
}
.myShow-1-img img{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.myShow-1-name{
    height: 100px;
}
.myShow-1-name-p1{
    color:#409EFF;
    font-size: 20px;
    font-weight: 400;
    padding-top: 33px;
    line-height: 20px;
    margin-bottom: 12px;
    text-align: right;
    margin-right: 20px;
}
.myShow-1-name-p2{
    font-size: 12px;
    color:#606266;
    font-weight: 400;
    line-height: 17px;
    text-align: right;
    margin-right: 20px;
}
.myShow-2{
    width: 239px;
    line-height: 23px;
    font-size: 12px;
    color:#606266;
    padding-left: 20px;
    padding-right: 21px;
    height: 89px;
    overflow: hidden;
    padding-top: 10px;
    transition:height 0.3s;
    background:#F8FAFC ;


}


/* 直播 */

.sowing {
    margin: 0 auto 100px;
    position: relative;
    width: 1200px;
}

.sowing>p {
    margin: 0 auto;
    padding-bottom: 30px;
    width: 120px;
    height: 42px;
    font-size: 30px;
    font-weight: bold;
    line-height: 42px;
    color: rgba(48, 49, 51, 1);
    opacity: 1;
}

.sowing .sowingleft {
    position: relative;
    width: 620px;
    height: 350px;
    background: rgba(0, 0, 0, .6);
}

.sowing .sowingleft>img {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: -1;
}

.sowing .sowingleft>div:nth-child(2) {
    padding-top: 68px;
    width: 620px;
    height: 33px;
    font-size: 24px;
    font-weight: bold;
    line-height: 33px;
    text-align: center;
    color: rgba(255, 255, 255, 1);
    opacity: 1;
}

.sowing .sowingleft>div:nth-child(3) {
    margin: 32px auto;
    width: 319px;
    height: 41px;
    line-height: 41px;
    background: rgba(0, 0, 0, 1);
    color: #fff;
    text-align: center;
    opacity: 1;
    border-radius: 21px;
}
.sowing .sowingleft>div:nth-child(3) img{
    position:relative;
    top:-14px;
    left:-3px;
}

.sowing .sowingleft>div:nth-child(4) {
    margin: 0 auto;
    width: 173px;
    height: 51px;
    line-height: 51px;
    color: #fff;
    text-align: center;
    background: rgba(64, 158, 255, 1);
    opacity: 1;
    border-radius: 3px;
    cursor: pointer;
}

.sowing .sowingleft>div:nth-child(5) {
    position: absolute;
   bottom: 0;
   width: 595px;
   padding-left: 25px;
   color: #fff;
   background:rgba(0,0,0,.3);
   height: 60px;
   line-height: 60px;
   font-size: 18px;
}

.sowing .sowingright {
    position: absolute;
    right: 0;
    top: 72px;
    width: 580px;
    background: #f4f4f4;
    height: 350px;
    overflow-y: auto;
}

.sowing .right-demo {
    padding-left: 32px;
    font-size: 0;
    cursor: pointer;
}

.sowing .right-demo img {
    margin-right: 20px;
    height: 50px;
}

.sowing .right-demo:last-child img {
    transform: rotate(180deg);
}

.sowing .right-demo span {
    display: inline-block;
    vertical-align: top;
    line-height: 50px;
    font-size: 16px;
}

.sowing .right-demo span:nth-child(2) {
    margin-right: 20px;
    width: 50px;
    text-align: left;
    color: rgba(153, 153, 153, 1);
    font-size: 15px;

}

.sowing .right-demo span:nth-child(3) {
    width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: rgba(48, 49, 51, 1);
    font-size: 15px;

}

#right-demo {
    background: #fff;

}

#right-demo span {
    color: #409EFFFF;

}
.sowing .right-demo:hover {
    background: #B6C0CA;
}

.sowing .right-demo:hover span {
    color: #fff;
}
.sowing .sowingright .right-demo1 span{
    color: #409EFFFF;
}