/* .banner{
    width:100%;
    height:244px;
    background: url(../images/bannerTop_01.jpg)center no-repeat;
    position: relative;
    background-size: cover;
    margin: 0 auto;
    min-width: 1200px;
} */
.logo{
    width:1200px;
    margin: 0 auto;
    padding-top: 60px;
}
.banner img{
    display: block;
    width:196px;
    height:77px;
    float: left;
}
.banner1 img{
    width: 100%;
    height: auto;
    min-width: 1200px;
    position: relative;
    margin: 0 auto;
    vertical-align: bottom;
}
/* tab切换按钮 */
.tab_background{
    width:100%;
    height:auto;
    background: url(../images/tab_bei_03.jpg)center no-repeat;
    position: relative;
    background-size: 100% 100%;
    margin: 0 auto;
    min-width: 1200px;
    padding-top: 60px;
    padding-bottom: 60px;
}
.tab_backgroundCenter{
    width: 935px;
    height: auto;
    margin: 0 auto;
}

.table {
    width: 100%;
}

.box-1 {
    height: 150px;
    text-align: center;
}

.box-1 li {
    list-style-type: none;
    line-height: 50px;
    float: left;
    display: block;
    width: 295px;
    height:150px;
}

.li-frist {
    transform: translate(0, -10px); 
    transition: .4s;
    -webkit-transition: .4s;
}

.bg {
    transform: translate(0, -10px); 
    transition: .4s;
    -webkit-transition: .4s;
}

.items {
    display: none;
}

.list2 img{
    width:295px;
    height:150px;
}
.di{
    width:1200px;
    height:303px;
    background: url(../images/jssd.png) center no-repeat;
    position: relative;
    background-size: cover;
}
.di1{
    width:1200px;
    height:303px;
    background: url(../images/banzhu.png) center no-repeat;
    position: relative;
    background-size: cover;
}
.di2{
    width:1200px;
    height:303px;
    background: url(../images/jyteacher.png) center no-repeat;
    position: relative;
    background-size: cover;
}
.di p{
    display: inline-block;
    margin: 80px 140px;
    font-size: 24px;
    color:#fff;
}
.di1 p{
    display: inline-block;
    margin: 80px 140px;
    font-size: 24px;
    color:#fff;
}
.di2 p{
    display: inline-block;
    margin: 80px 140px;
    font-size: 24px;
    color:#fff;
}
.di p i{
    color:#00c4ff;
}

.tabone{
    width:100%;
    height:auto;
    background: url(../images/wed_03.jpg)center no-repeat;
    position: relative;
    background-size: 100% 100%;
    margin: 0 auto;
    min-width: 1200px;
    
}
.tabOnecenter{
    width:1200px;
    height:auto;
    margin: 0 auto;
}
.juxing{
    width:100%;
    height:auto;
    background: url(../images/juxing.png) center no-repeat;
    background-size: 100% 100%;
    position: relative;
    margin: 0 auto;
    padding-top: 55px;
    padding-bottom: 55px;
    display: flex;
}

.juxing_contentimg img {
    width:594px;
    height:338px;
}

.juxing_contentimg .juxing_img_content {
    position: relative;
    padding: 0;
    width:594px;
    height:338px;
}

.juxing_contentimg .juxing_img_content .juxing_mask {
    position: absolute;
    left: 0px;
    width:594px;
    height:338px;
    background: url(../images/meng.png) center no-repeat;
    background-size: cover;
    display: none;
}

.juxing_left{
    width:594px;
    height:338px;
    background-color: #000;
    margin-left: 55px;
    margin-right: 50px;
}
.juxing_right{
    margin-top: 80px;
}
.juxing_right p{
    font-size: 24px;
    color: #fff;
}
.hard{
    width:296px;
    height:43px;
    background: url(../images/yuanx-2.png)center no-repeat;
    background-size: cover;
    position: relative;
    margin-top: 15px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    padding-left: 10px;
    line-height: 40px;
    margin-bottom: 15px;
}
.hard span{
    color: #0b80ce;
}
.juxing_right i{
    font-size: 16px;
    color:#fff;
}


.video_bottom{
    width:100%;
    height:auto;
    background-color: #1d1171;
    border-radius: 25px;
    margin-top: 80px;
    padding-top: 60px;
    padding-bottom: 60px;
}
.video_bottom1{
    background-color: #010194 !important;
}
.video_bottom2{
    background-color: #8309ff !important;
}
.video_bottom img{
    display: block;
    margin: 0 auto;
}
.video_bottom ul{
    width:100%;
    display: inline-block;
    margin-top: 65px;
    margin-left: 60px;
    margin-right: 60px;
}
.video_bottom ul li{
    width:347px;
    float: left;
    text-align: center;
    font-size: 18px;
    color:#fff;
}
.boVideo{
    width:100%;
    height:195px;
    /* background-color: #000; */
    margin-bottom: 30px;
    border-radius: 5px;
}
.videoRen img{
    width: 100%;
    height: auto;
    min-width: 1200px;
    position: relative;
    margin: 0 auto;
    vertical-align: bottom;
}
.contentimg img {
    width: 100%;
    height: 195px;
}

.contentimg .img_content {
    position: relative;
    padding: 0;
    width: 235px;
    height: 100px;
}

.contentimg .img_content .mask {
    position: absolute;
    top: 0px;
    left: -174px;
    width: 347px;
    height: 195px;
    background: url(../images/meng.png) center no-repeat;
    background-size: cover;
    display: none;
}

.confe-about {
    width: 100%;
    height: auto;
    min-width: 1200px;
    padding-bottom: 60px;
    position: relative;
    margin: 0 auto;
    padding-top: 60px;
}
.div_center {
    width: 1200px;
    position: relative;
    text-align: center;
    margin: 0px auto;
}
.program-title {
    width: 100%;
    height: auto;
    position: relative;
    padding-top: 50px;
}
.program-title h2 {
    font-size: 44px;
    color: #000000;
    font-weight: bold;
}
.confe-about-ul {
    display: flex;
    display: -webkit-flex;
    -webkit-flex-direction: row;
    flex-direction: row;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin-top: 30px;
}
.confe-about-ul li {
    width: 388px;
    height: auto;
    padding: 40px 0px;
    background: #fff;
    box-shadow: 0 5px 15px 1px rgba(0,0,0,0.05);
    margin-top: 40px;
    opacity: 0.9;
    top: 0px;
    position: relative;
    transition: .4s;
    -webkit-transition: .4s;
}
.confe-about-ul span {
    display: block;
    font-size: 16px;
    color: #444444;
    line-height: 26px;
    margin-top: 10px;
}
.confe-about-ul li:hover{top:-10px;transition:.4s; -webkit-transition:.4s;}