.clear {
    display: block;
    clear: both;
}

a{
  
  
  
    text-decoration:none;
}


#class-center-site{
    width: 1080px;
    margin: 0 auto;
}
#top {
    width: 100%;
    z-index: 3;
    position: fixed;
    top: 0;
    display: flex;
    background-color: #FFFFFF;
    height: 80px;
    justify-content: center;
}

#class-top {
    width: 1100px;
    height: 80px;
   
    background-color: #FFFFFF;
    font-size: 0;

}

#class-top-nav {
    display: inline-block;
    height: 80px;
    line-height: 80px;
}

#class-top-nav > ul {
    font-size: 0;
    padding: 0;
    width: 880px;
    display: flex;
 
}

#class-top-nav > ul > li {

    list-style: none;
    display: inline-block;
}

#class-top-nav > ul > li > a {
    text-align: center;
    height: 50px;
    width: 120px;
    line-height: 50px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    color: #000000;
    display: inline-block;
}

#class-top-nav > ul > li > a:hover {
    color: #FFFFFF;
    background: url(/theme/images/video/class-top-nav.jpg) no-repeat;
}

#class-top-search {
    float: right;
    margin-top: 20px;
    display: inline-block;
    width: 210px;
    height: 35px;
    border-radius: 25px;
    border: 1px solid #d0d0d0;
}

#class-top-search > input {
    float: left;
    margin-top: 2px;
    outline: none;
    border-radius: 25px;
    margin-left: 10px;
    width: 150px;
    border: 0;
    height: 30px;
    font-size: 16px;
}

#class-top-search > span {
    margin-right: 15px;
    font-size: 28px;
    color: #d0d0d0;
}

/*top结束*/

/*center-main开始*/
#class-center {
    background-color: #eeeeee;
}

#class-center-bigmain {
    background-color: #FFFFFF;
    width: 1100px;
    margin: auto;
}

#class-center-site > div {
    height: 10px;
}

#class-center-site > ul {
    padding-left: 43px;
    line-height: 40px;
    font-size: 14px;

}

#class-center-site > ul > span {
    float: left;
    color: #000000;
    line-height: 45px;
}

#class-center-site > ul > li {
    margin: 3px;
    list-style: none;
    float: left;
    display: inline-block;
    height: 40px;
}

#class-center-site > ul > li > a {
    display: block;
    text-decoration: none;
    color: #000000;
    font-size: 14px;
}

/*site结束*/
#class-main, #class-main2 {
    padding: 24px 50px 30px 50px;
}

#class-video {
    padding-bottom: 70px;
}

#swiper {
    height: 70px;
    background-color: #3375F4;
}

#example_video {
    height: 440px;
    width: 700px;
    float: left;
}

#video-mulu {
    width: 300px;
    height: 440px;
    background-color: #0086B3;
    float: right;
}
#video-mulu ul li a{
    position: relative;
}
#video-mulu ul li a img{
    position: absolute;
    top: 10px;
    left: 8px;
}
#class-video > h1 {
    font-size: 20px;
    font-weight: bold;
    margin: 35px 0 30px 0;
}

#class-video > p {
    font-size: 14px;
    width: 385px;
    display: flex;
    justify-content: space-between;
}

#class-video > p > span > a {
    color: #9c9b9b;
}

/*kecehng开始*/
#class-kecheng-nav {
    font-size: 0;
    margin: 0;
    text-align: center;
    box-shadow: 0px 0 3px -1px white,
    0 -15px 10px -15px #b7d0ff,
    0 15px 10px -15px #b7d0ff,
    0px 0 3px -1px white;
}

#class-kecheng-nav > li {
    display: inline-block;
    font-size: 22px;
    height: 60px;
    line-height: 60px;
    width: 200px;
}

#class-kecheng-nav > li.on, #class-kecheng-nav > li:hover {
    font-weight: bold;
    color: #FFF;
    background: url(/theme/images/video/kecheng-nav.jpg) center no-repeat;
}

#class-kecheng > div {
    display: none;
    padding: 80px 0 40px;
    box-shadow: 0px 15px 10px -15px #b7d0ff;
}

#class-kecheng > div.on {
    display: block;
}

#class-kecheng > div.hi {
    display: none;
}

#class-kecheng > div > h1 {
    margin: 0;
    margin-bottom: 50px;
    height: 80px;
    line-height: 80px;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    background: url(/theme/images/video/title.jpg) no-repeat center;
}

#class-liangdian > li {
    height: 50px;
    list-style: none;
    margin-bottom: 32px;
}

#class-liangdian > li > span {
    display: inline-block;
    background: url(/theme/images/video/liang_dian.jpg) no-repeat;
    color: #FFFFFF;
    font-size: 22px;
    font-weight: bold;
    width: 182px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    margin-right: 20px;
}

#class-liangdian > li > a {
    padding: 0 45px 0 10px;
    text-decoration: none;
    border-bottom: 8px solid #b7d0ff;
    font-size: 18px;
    color: #000000;
}

#class-catalogue {
    padding-bottom: 35px;
}

#class-catalogue > p {
    margin: 0;
    background-color: #f5f6f6;
    font-size: 18px;
    height: 60px;
    line-height: 60px;
    padding-left: 10px;
}

#class-catalogue > p > span {
    padding: 0 20px;
    border-left: 5px solid #3375f4;
}

#class-catalogue > li {
    display: block;
    height: 79px;
    border-bottom: 1px solid #CCCCCC;
    list-style: none;
    line-height: 80px;
}

#class-catalogue > li > a {
    padding-left: 35px;
    text-decoration: none;
    color: #000000;
}

#class-catalogue > li > a > span {
    margin-right: 25px;
}

#class-catalogue > li > span {
    float: right;
}

#class-catalogue  .gengduo{
    display: block;
    margin: 35px auto 0;
    text-align: center;
    font-size: 20px;
    background: url(/theme/images/video/class-catalogue-more.jpg) center no-repeat;
    height: 65px;
    line-height: 65px;
    color: #FFFFFF;
}
#class-catalogue .gengduo:hover{
    color:#fff;
}

/*class-catalogue结束*/

/*class-main结束*/
#class-main2 {
    padding-bottom: 70px;

}

#learningPlan {
    background: url(/theme/images/video/learningPlan-bg.jpg) no-repeat center 210px;
    padding-bottom: 10px;
}

#learningPlan > div {
    margin: 15px 18px 0 10px;
    height: 200px;
    line-height: 26px;
    width: 225px;
    font-size: 16px;
    float: left;
}

#learningPlan > div > .liaojie {
    height: 40px;
    line-height: 40px;
    width: 200px;
    margin: 0 auto;
    background-color: #ea3553;
    color: #FFFFFF;
    text-align: center;
}

#learningPlan > div > p {
    margin: 0;
    font-size: 14px;
}

#learningPlan > div > p:nth-child(1) {
    line-height: 28px;
    padding-bottom: 20px;
    font-size: 16px;
}

#learningPlan > div > p:nth-child(1) > span {
    border-bottom: 5px solid #94b5f5;
}

#learningPlan > div > p:nth-child(2) > span {
    color: #ea3553;
    font-size: 24px;
}

#learningPlan > div > p:nth-child(3) {
    text-decoration: line-through;
}

#learningPlan > li {
    padding-top: 15px;
    height: 220px;
    display: inline-block;
    text-align: center;
    list-style: none;
    width: 230px;
}

#learningPlan > li:nth-child(4) {
    margin: 0 23px;
}

#learningPlan > li > img {
    height: 140px;
    width: 220px;
    box-shadow: darkgrey 0px 3px 10px 0px;
}

#learningPlan > li > p {
    font-size: 16px;
}

#class-baozhang {
    display: block;
    height: 100px;
    background: url(/theme/images/video/class-baozhang.jpg) no-repeat;
    width: 1100px;
}

#tuijian-main {
    display: flex;
    justify-content: space-between;
}

#tuijian-main > div {
    width: 220px;
    height: 255px;
    border: 1px solid #ececec;
}

#tuijian-main > div > img {
    height: 140px;
    width: 220px;
    box-shadow: darkgrey 0px 3px 10px 0px;
    margin: 0 auto 10px;

}

#tuijian-main > div > p {
    margin: 0;
}

#tuijian-main > div > p > span {
    color: #f14e4e;
}

#tuijian-main > div  > p > a {
    float: right;
    list-style: none;
    color: #ff4e4e;
}

#tuijian-main > div  > p:nth-child(2) {
    text-align: center;
    font-size: 16px;
    padding: 0;
}

#tuijian-main > div > p:nth-child(n+3) {
    color: #878789;
}

#tuijian-main > div  > p:nth-child(3) {
    text-align: right;
    padding: 10px 0 20px;
}

/*kecheng结束*/
#class-get {
    padding: 80px 0 40px;
}

#class-get > h1 {
    margin: 0;
    height: 80px;
    line-height: 80px;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    background: url(/theme/images/video/title.jpg) no-repeat center;
    margin-bottom: 80px;
}

#class-get > div {
    text-align: center;
    padding: 20px;
    display: inline-block;
    background: url(/theme/images/video/class-get.jpg) no-repeat;
    font-size: 0;
}

#class-get > div > span {
    float: left;
    width: 50px;
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    color: #FFFFFF;
}

#class-get > div > div {
    margin-top: 10px;
    margin-left: 20px;
    display: inline-block;
    width: 200px;
    height: 70px;
    padding: 25px 0;
    padding-right: 20px;
    font-size: 18px;
    text-align: left;
}

/*class-get结束*/

/*class-center结束*/

/*ul,li{*/
/*display:block;*/
/*}*/
/*li{*/
/*width:150px;*/
/*float:left;*/
/*border:1px solid black;*/
/*height:200px;*/
/*}*/
/*#content*/
/*{*/
/*width: 2030px;*/
/*margin-left: 0px;*/
/*}*/
/*#slider*/
/*{*/
/*margin-left: 40px;*/
/*overflow: hidden;*/
/*}*/
/*#leftA*/
/*{*/
/*display: block;*/
/*float: left;*/
/*left: 10px;*/
/*top: 5px;*/
/*position: absolute;*/
/*background-image: url();*/
/*}*/
/*#rightA*/
/*{*/
/*display: block;*/
/*float: right;*/
/*right: 10px;*/
/*top: 5px;*/
/*position: absolute;*/
/*background-image: url();*/
/*}*/
#swiper {
   /* width: 1000px; */
}

.swiper-container {
    margin: 0 auto;
}


#swiper .swiper-container .swiper-wrapper .swiper-slide {
    width: 150px;
    height: 60px;
    border-top: 2px solid #3375f4;
}

.swiper-wrapper
{
    width: 930px;
}

.swiper-container {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    /*border-top: 2px solid #0E0EFF;*/
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}