/*reset*/
html,body{
    height:100%;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, table,textarea,select, p, th, td {
    margin:0;
    padding:0;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
img,abbr {
    border:none;
}
caption, cite, code{
    font-style:normal;
    font-weight:normal;
}
ol, ul,li{
    list-style:none;
}
body{
    font-size: 12px;
    line-height: 1.5;
    font-family:'Microsoft Yahei', 微软雅黑,Arial ;
    color:#333;
    background:#fff;
}
input,select,textarea,button{
    font-size:14px;
    font-family:'Microsoft Yahei', 微软雅黑,Arial ;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}
a{
    color:#333;
    text-decoration:none;
}
a:hover{
    color:#006699;
    text-decoration:none;
}
.clear{
    clear:both;
    height:0;
    overflow:hidden;
}
.clearfix:after{
    content: "";
    display: block;
    clear: both;
    height: 0;
}

/*header*/
.header{

    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 70px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    z-index: 9999;
}
.header.fix{
    background: #fff;
    box-shadow: 0 12px 18px rgba(0,35,73,0.05);
    border-bottom: none;
}
.content{
    width: 1000px;
    margin: 0 auto;
    position: relative;
}
.logo{
    width: 114px;
    height: 33px;
    float: left;
    margin: 19px 0 0 10px;
}
.logo a img{
    width:128px;
    display: block;
}
.nav{
    float: left;
    margin-left: 60px;
}
.nav a{
    display: block;
    float: left;
    padding: 0 20px;
    line-height: 70px;
    font-size: 14px;
    color: #fff;
    position: relative;
}
.nav a .list{
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    bottom: -150px;
    background: #006699;
}
.nav a .list span{
    display: block;
    line-height: 50px;
    color: #fff;
    text-align: center;
    font-size: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.3);
}
.nav a .list span:last-child{
    border-bottom: none;
}
.nav a:first-child{
    padding: 0 30px;
}
.nav_mobile{
    display: none;
    width: 21px;
    height: 17px;
    position: absolute;
    right: 15px;
    top: 17px;
    background: url(./images/nav_mobile.png) no-repeat 0 0;
    background-size: 100%;
}
.nav a:hover,.nav a.cur{
    background: #006699;
}
.header.fix .nav a{
    color:#333;
}
.header.fix .nav a:hover,.header.fix .nav a.cur{
    color:#fff;
}
.header.fix .nav_mobile{
    background: url(./images/nav_mobile_black.png) no-repeat 0 0;
    background-size: 100%;
}
.nav_mobile_con{
    display: none;
    position: fixed;
    width: 100%;
    top: 51px;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
}
.nav_mobile_main{
    padding: 0 22px;
    background: #fff;
}
.nav_mobile_main a{
    display: block;
    line-height: 48px;
    border-bottom: 1px solid #EDEDED;
    font-size: 14px;
}
.nav_mobile_main a.cur{
    color: #006699;
}



.footer{
    padding: 50px 0 20px;
    background: #f7f7f7;
}
.vline{
    position: absolute;
    left: 50%;
    top: 25px;
    width: 1px;
    height: 50px;
    background: #c6c6c6;
}
.footer_logo{
    display: flex;
}
.footer_item{
    flex: 1;
}
.footer_item_left{
    width: 310px;
    float: right;
    margin-right: 20px;
}
.footer_item_left img{
    display: block;
    margin:0 auto 17px;
    width: 150px;
}
.footer_item_left p{
    text-align: center;
    font-size: 12px;
    line-height: 18px;
}
.footer_item_right{
    padding-left: 40px;
}
.qrcode_box{
    width: 140px;
    float: left;
}
.qrcode_box.w160{
    width: 160px;
}
.qrcode_box img{
    display: block;
    width: 80px;
    height: auto;
    margin: 0 auto 5px;
}
.footer_item_right p{
    font-size: 12px;
    line-height: 1;
    text-align: center;
}
.copyright{
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #999999;
    line-height: 18px;
}
.common_banner{
    display: block;
    width: 100%;
    height: auto;
}
.course_info{
    background: #fff;
    margin-top: -72px;
    box-shadow: 0 14px 28px rgba(0,0,0,0.05);
}
.gray_bg{
    background: #f7f7f7;
}
.title{
    padding-top: 50px;
    text-align: center;
}
.title h2{
    font-size: 30px;
    font-weight: bold;
    line-height: 1;
    color: #006699;
}
.title .line{
    width: 40px;
    margin: 14px auto 10px;
    height: 2px;
    background: #F58B1D;
}
.title p{
    color: #464955;
    font-size: 16px;
    line-height: 1.5;
}
.title.white h2{
    color: #fff;
}
.title.white .line{
    background: #fff;
}
.title.white p{
    color: #fff;
}
.title h2.second_title{
    font-size: 20px;
}
.title h2.second_title.spt{
    line-height: 1.3;
}
.com_flex{
    width: 1230px;
    margin-left: -30px;
}
.com_flex_item{
    width: 380px;
    float: left;
    margin: 0 0 30px 30px;
}
.ap_want{
    display: flex;
    margin-top: 30px;
    flex-flow: wrap;
}
.ap_want.teacher_box{
    margin-top: 25px;
}
.ap_want_item{
    flex: 1;
    margin-right: 20px;
    padding: 30px 0;
    text-align: center;
    color: #fff;
}
.ap_want_item:last-child{
    margin-right: 0;
}
.ap_want_item.item1{
    background: #12C2B8;
}
.ap_want_item.item2{
    background: #006699;
}
.ap_want_item.item3{
    background: #FDA63F;
}
.ap_want_item.item4{
    background: #EF7665;
}
.ap_want_item.item5{
    background: #006699;
}
.ap_want_item.item6{
    background: #F2C54E;
}
.ap_want_item.item7{
    background: #7e9ee9;
}
.ap_want_item.item8{
    background: #128ecd;
}
.ap_want_item.item9{
    background: #2abccd;
}
.ap_want_item.item10{
    background: #c5d73c;
}
.ap_want_item.item11{
    background: #fda72b;
}
.ap_want_item.item12{
    background: #148FCD;
}
.ap_want_item.item13{
    background: #2ABCCD;
}
.ap_want_item.item14{
    background: #FE5F92;
}
.ap_want_item.item15{
    background: #4BC234;
}
.ap_want_item.item16{
    background: #FDA72C;
}
.ap_want_item.item17{
    background: #C6D83C;
}
.ap_want_item img.ico{
    display: block;
    width: 60px;
    height: 60px;
    margin: 0 auto;
}
.ap_want_item h4{
    line-height: 1.5;
    font-size: 18px;
    margin: 20px 0 5px;
}
.ap_want_item p{
    line-height: 1.5;
    font-size: 14px;
    padding: 0 40px;
}
.ap_qrcode_box{
    margin-top: 50px;
}
.ap_qrcode_blue{
    height: 220px;
    background:linear-gradient(90deg,rgba(0,102,153,1) 22%,rgba(0,144,153,1) 100%);
}
.test_advisory{
    font-size: 16px;
    line-height: 1.2;
    text-align: center;
    color: #fff;
}
.ap_qrcode{
    display: block;
    width: 160px;
    height: auto;
    margin: -78px auto 50px;
    border: 6px solid #fff;
}
.ms_introduction{
    padding: 30px 50px;
}
.ms_introduction h4{
    font-size: 24px;
    line-height: 1;
    margin-bottom: 20px;
}
.ms_introduction p{
    font-size: 14px;
    line-height: 1.5;
}

/*teacher style*/
.am_teacher_box{
    margin-top:10px;
}
.teacher_item{
    flex: none;
    width:320px;
    margin-right: 20px;
    position: relative;
    margin-top:20px;
}
.teacher_item:nth-child(3n){
    margin-right:0;
}
.teacher_item img.teacher_avatar{
    display: block;
    width: 100%;
    height: auto;
}
.teacher_item:last-child{
    margin-right: 0;
}
.teacher_item_info{
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: rgba(0,35,73,0.6);
}
.teacher_info_dl{
    position:absolute;
    width: 100%;
    box-sizing: border-box;
    padding: 0 30px;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    text-align: center;
    color: #fff;
}
.teacher_info_dl dt{
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}
.teacher_info_dl dd{
    font-size: 12px;
}
.black_title{
    margin-top: 20px;
    font-size: 16px;
    line-height: 1;
}
.black_title span{
    display:block;
    width: 3px;
    height: 14px;
    background:#333;
    float:left;
    margin: 1px 10px 0 0;
}
.common_table_box{
    width: 100%;
    overflow-y: auto;
}
/**
        margin   padding
*/
.pd100{
    padding-bottom: 100px;
}
.pd70{
    padding-bottom: 70px;
}
.pd60{
    padding-bottom: 60px;
}
.pd50{
    padding-bottom: 50px;
}
.pd30{
    padding-bottom: 30px;
}
.mt60{
    margin-top: 60px;
}
.mt30{
    margin-top: 30px;
}
.mt25{
    margin-top: 25px;
}
.mt10{
    margin-top: 10px;
}
.right_bar{
    position: fixed;
    width: 60px;
    right: 0;
    bottom: 100px;
    z-index: 999;
}
.right_bar a.bar_item{
    display: block;
    height: 60px;
    background-color: #006699;
    background-image: url(../../images/wx_ico.png);
    background-repeat: no-repeat;
    margin-bottom: 1px;
}
.right_bar a.bar_item.wx_bar{
    background-position: 0 0;
}
.right_bar a.bar_item.top_bar{
    background-position: 0 -120px;
}
.right_bar a.bar_item .bar_tips{
    display: block;
    width: 128px;
    box-sizing: border-box;
    padding: 14px;
    height: auto;
    background: #fff;
    position: absolute;
    left: -185px;
    top: 0;
    opacity: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    transition: left 0.3s ease-in-out 0.1s, opacity 0.3s ease-in-out 0.1s;
}
.right_bar a.bar_item .bar_tips img{
    display: block;
    width: 100%;
    height: auto;
}
.right_bar a.bar_item .bar_tips:after{
    border-bottom: 5px solid transparent;
    border-top: 5px solid transparent;
    border-left: 6px solid #ffffff;
    right: -6px;
    top: 5px;
    content: "";
    height: 0;
    position: absolute;
    top: 20px;
    width: 0;
    z-index: 1;
}
.right_bar a.bar_item.hoverClass .bar_tips{
    left: -128px;
    opacity: 1;
}
.right_bar a.bar_item em{
    display: block;
    font-size: 12px;
    padding-top: 6px;
    color: #666;
    text-align: center;
    font-style: normal;
}
.table_tips{
    display:none;
    line-height: 1;
    text-align:center;
    padding-top: 10px;
    color:#464955;
}
@media (max-width: 1023px){
    .content{
        width: 100%;
        box-sizing: border-box;
        padding: 0 15px;
    }
    .title{
        padding-top: 30px;
    }
    .title h2{
        font-size: 24px;
    }
}
@media (min-width: 768px) and (max-width: 1023px){
    .nav{
        margin-left: 30px;
    }
    .nav a{
        padding: 0 15px;
    }
    .nav a:first-child{
        padding: 0 15px;
    }

    .title .line{
        margin: 6px auto 4px;
        height: 1px;
        width: 30px;
    }
    .title p{
        font-size: 14px;
    }
    .ms_introduction{
        padding: 30px 40px;
    }
    .ap_want_item{
        margin-right: 10px;
    }
    .teacher_item{
        width:32%;
        margin: 0 2% 10px 0;
    }
    .ap_qrcode_blue{
        height: 180px;
    }
    .ap_want_item h4{
        font-size: 16px;
    }
}
@media (max-width: 767px){
    .table_tips{
        display: block;
    }
    .header{
        height: 50px;
    }
    .logo{
        margin: 11px 0 0 10px;
    }
    .nav{
        display: none;
    }
    .nav_mobile{
        display: block;
    }

    .title p{
        font-size: 12px;
    }
    .logo a img{
        width: 90%;
        height: auto;
    }
    .footer{
        padding: 30px 0 10px;
    }
    .footer_logo{
        flex-wrap: wrap;
    }
    .footer_item{
        flex: none;
        width: 100%;
    }
    .vline{
        display: none;
    }
    .footer_item_left{
        width: 100%;
        margin: 0 0 10px;
        float: none;
    }
    .footer_item_left img{
        width: 100px;
        margin: 0 auto 10px;
    }
    .footer_item_right{
        width: 280px;
        margin: 0 auto;
        padding: 0;
    }
    .qrcode_box.w160{
        width: 140px;
    }
    .course_info{
        margin-top: -20px;
        box-shadow: 0 7px 14px rgba(0,0,0,0.05);
    }
    .ms_introduction{
        padding: 15px 20px;
    }
    .ms_introduction h4{
        font-size: 16px;
        margin-bottom: 10px;
    }
    .ms_introduction p{
        font-size: 12px;
    }
    .title h2.second_title{
        font-size: 16px;
    }
    .ap_want{
        flex-wrap: wrap;
        margin-top: 20px;
    }
    .ap_want_item{
        flex: none;
        width: 100%;
        margin: 0 0 10px 0;
        padding: 10px 0 10px 80px;
        box-sizing: border-box;
        position: relative;
        text-align: left;
        height: 100px;
    }
    .ap_want_item img.ico{
        position: absolute;
        width: 40px;
        height: 40px;
        top: 50%;
        left: 20px;
        transform:translate(0,-50%);
    }
    .ap_want_item h4{
        font-size: 14px;
        margin: 0 0 5px;
    }
    .ap_want_item p{
        font-size: 12px;
        padding: 0 10px 0 0;
    }
    .ap_want_item.item4,.ap_want_item.item5,.ap_want_item.item6{
        height: 82px;
    }
    .ap_want_item.item7,.ap_want_item.item8,.ap_want_item.item9,.ap_want_item.item10,.ap_want_item.item11{
        height: auto;
    }

    .teacher_item:nth-child(2n) {
        margin-right: 0;
    }
    .teacher_item{
        width: 48%;
        margin: 0 4% 10px 0;
    }

    .teacher_item:nth-child(3n) {
        margin-right: 4%;
    }
    .teacher_item:last-child{
        margin: 0 auto;
    }
    .teacher_info_dl{
        padding: 0 10px;
    }
    .black_title{
        font-size: 14px;
        line-height:1.5;
    }
    .black_title span{
        height: 12px;
        margin: 5px 5px 0 0;
    }
    .ap_qrcode_blue{
        height: 180px;
    }
    .test_advisory{
        font-size: 12px;
        line-height: 1.5;
    }
    .ap_qrcode{
        margin: -58px auto 30px;
    }
    .pd50{
        padding-bottom: 30px;
    }
    .mt30{
        margin-top: 20px;
    }
    .pd30{
        padding-bottom: 10px;
    }
    .right_bar{
        width: 40px;
    }
    .right_bar a.bar_item{
        height: 40px;
        background-size: 40px;
    }
    .right_bar a.bar_item.wx_bar{
        background-position: 0 0;
    }
    .right_bar a.bar_item.top_bar{
        background-position: 0 -80px;
    }
}


/*for index page*/
.swiper-container{
    width: 100%;
}
.swiper_img{
    display: block;
    width: 100%;
    height: auto;
}
.swiper-pagination-bullet{
    width: 14px;
    height: 14px;
    background: rgba(255,255,255,0.5);
}
.swiper-pagination-bullet-active{
    background: #fff;
    box-shadow: 0 0 20px rgba(255,255,255,1);
}
.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet{
    margin: 0 10px;
}
.swiper-pagination-fraction, .swiper-pagination-custom, .swiper-container-horizontal > .swiper-pagination-bullets{
    bottom: 130px;
}
.banner_sub{
    height: 150px;
    background: #F9FAFE;
}
.banner_sub_flex{
    padding-top: 24px;
    display: flex;
}
.banner_sub_flex dl{
    flex: 1;
}
.banner_sub_flex dl dt{
    height: 50px;
}
.banner_sub_flex dl dt.ets{
    background: url(../../images/partner1.png) no-repeat center;
    background-size: auto 90%;
}
.banner_sub_flex dl dt.toefl{
    background: url(../../images/partner2.png) no-repeat center;
    background-size: auto 100%;
}
.banner_sub_flex dl dt.national{
    background: url(../../images/partner3.png) no-repeat center;
    background-size: auto 90%;
}
.banner_sub_flex dl dt.stanford{
    background-position: center -180px;
}
.banner_sub_flex dl dd{
    color: #464955;
    line-height: 18px;
    padding: 12px 0;
    text-align: center;
}
.index_item{
    margin-top: 30px;
}
.who{
    display: flex;
    background: #0177C1;
}
.who_item{
    flex: 1;
    width: 50%;
    position:relative;

}
.who_item_left{
    width: 500px;
    right: 0;
    position: absolute;
    top:0;
    bottom:0;
}
.who_item_left_txt{
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(0,-50%);
}
.who_line{
    display: block;
    width: 40px;
    height: 2px;
    background: #fff;
    margin-top: 10px;
}
.who_item_left_txt h4{
    color: #fff;
    font-size: 24px;
}
.who_item_left ul{
    padding-top: 20px;
}
.who_item_left ul li{
    padding: 20px 0;
    height: 32px;
    line-height: 32px;
    cursor: pointer;
    color: #fff;
    font-size: 16px;
}
.who_item_left ul li span{
    display: block;
    float: left;
    box-sizing: border-box;
    width: 24px;
    height: 24px;
    border: 1px solid #fff;
    line-height: 22px;
    font-size: 12px;
    margin-right: 10px;
    text-align: center;
    margin-top: 4px;
}
.who_item_left ul li.cur{
    color: #F58B1D;
}
.who_item_left ul li.cur span{
    border-color: #F58B1D;
}
.gray_bg_box{
    background: #f7f7f7;
    padding-bottom: 30px;
}
.forces_box{
    width: 1020px;
    margin-left: -20px;
}
.forces_item{
    width:184px;
    height:246px;
    float:left;
    margin:0 0 20px 20px;
    background:#fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.03);
    position:relative;
}
.forces_up{
    width:100%;
    height:80px;
    padding:16px 0 0 0;
    box-sizing:border-box;
    position:relative;
}
.forces_up .common_bg{
    position:absolute;
    bottom:0;
    height:60px;
    left:0;
    width:100%;
    background: url(./images/forces_bg.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up .icon{
    width:30px;
    height:30px;
    margin:0 auto;
}
.forces_up.forces1 .icon{
    background: url(./images/idea_1.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up.forces2 .icon{
    background: url(./images/book_2.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up.forces3 .icon{
    background: url(./images/plan_3.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up.forces4 .icon{
    background: url(./images/abilty_4.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up.forces5 .icon{
    background: url(./images/exit_5.png) no-repeat center;
    background-size: 100% 100%;
}
.forces_up .text{
    text-align:center;
    font-size:16px;
    font-weight:bold;
    color:#fff;
}
.forces_down{
    padding:20px;
    font-size:14px;
    color:#666;
}
.forces_down .desc{
    line-height:20px;
}
.forces_item .line{
    bottom:20px;
    width: 50px;
    height: 2px;
    background: #796ACD;
    position:absolute;
    left:50%;
    transform:translate(-50%,0);
    bottom:20px;
}
.forces_item .line.forces1_line,.forces_up.forces1{
    background: #796ACD;
}
.forces_item .line.forces2_line,.forces_up.forces2{
    background: #EEB040;
}
.forces_item .line.forces3_line,.forces_up.forces3{
    background: #5AA5DA;
}
.forces_item .line.forces4_line,.forces_up.forces4{
    background: #E87653;
}
.forces_item .line.forces5_line,.forces_up.forces5{
    background: #E85368;
}
.why{
    width: 1020px;
    margin-left: -20px;
}
.why_item{
    width: 320px;
    float: left;
    margin:0 0 20px 20px;
    background:#fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.03);
}

.why_item_head{
    position: relative;
}
.why_item_head img{
    display: block;
    width: 100%;
    height: auto;
}
.why_item_head_mask{
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,35,69,0.6);
    z-index: 1;
}
.why_item_img_txt{
    position: absolute;
    left: 40px;
    right: 40px;
    top: 50%;
    transform:translate(0,-50%);
    line-height: 1.7;
    font-size: 14px;
    text-align: center;
    color: #fff;
}
.why_item_head span{
    display: block;
    width: 40px;
    height: 40px;
    position: absolute;
    left: 50%;
    bottom: -20px;
    margin-left: -20px;
    background-image: url(./images/why_new_ion.png);
    background-repeat: no-repeat;
    z-index: 2;
    background-size: 80px auto;
}
.why_item_head span.ico1{
    background-position: 0 0;
}
.why_item_head span.ico2{
    background-position: 0 -40px;
}
.why_item_head span.ico3{
    background-position: 0 -80px;
}
.why_item_head span.ico4{
    background-position: 0 -120px;
}
.why_item_head span.ico5{
    background-position: 0 -160px;
}
.why_item_head span.ico6{
    background-position: 0 -200px;
}
.why_item_head span.ico1.cur{
    background-position: -40px 0;
}
.why_item_head span.ico2.cur{
    background-position: -40px -40px;
}
.why_item_head span.ico3.cur{
    background-position: -40px -80px;
}
.why_item_head span.ico4.cur{
    background-position: -40px -120px;
}
.why_item_head span.ico5.cur{
    background-position: -40px -160px;
}
.why_item_head span.ico6.cur{
    background-position: -40px -200px;
}
.why_item_txt{
    padding: 20px 0 12px;
    text-align: center;
    line-height: 40px;
    font-size: 14px;
    color: #666;
}
.partner_box{
    background: url(./images/partner_bg.png) no-repeat center 40px;
    padding-bottom: 50px;
}
.partner_item{
    padding-top: 22px;
    width: 490px;
    height: 268px;
    float: left;
    margin:0 0 20px 20px;
    background:#fff;
    box-shadow: 0 6px 12px rgba(0,0,0,0.05);
    box-sizing: border-box;
}
.partner_item_img{
    height: 60px;
}

.partner_name{
    font-size: 14px;
    height: 60px;
    color: #000000;
    text-align: center;
    line-height: 22px;
    padding: 10px 20px 0;
}
.over_name{
    width:60%;
    margin:0 auto;
    text-align:center;
}
.partner_info{
    padding: 0 30px;
    line-height: 2.4;
    color: #4B4F5A;
}
.campus{
    height: 390px;
    overflow:hidden;
    background: url(./images/room_bg.png) no-repeat center;
}
.campus_con{
    width:100%;
}
.campus_item{
    width:320px;
    float:left;
    margin-left: 20px;
    background: rgba(255,255,255,0.7);
    height: 160px;
    box-sizing: border-box;
    padding-top: 30px;
    text-align: center;
}
.campus_item:first-child{
    margin-left: 0;
    background-color: transparent!important;
}
.campus_item h4{
    font-size: 16px;
    font-weight: bold;
    line-height: 32px;
}
.campus_item h4 span{
    display: inline-block;
    padding-right: 21px;
    background: url(./images/map_add.png) no-repeat right center;
    background-size: 16px;
}
.campus_item p.subtitle{
    font-size: 12px;
    line-height: 22px;
}
.campus_item_line{
    width: 30px;
    height: 1px;
    margin: 10px auto 0;
    background: #48494B;
}
.campus_item_adr{
    line-height: 18px;
    margin-top: 10px;
    font-size: 12px;
}

#swiper-container3 .swiper-slide{
    width: 50%;
}
.who_mask{
    width: 25%;
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(0,35,69,0.6);
    z-index: 99;
}
.who_mask_left{
    left: 0;
}
.who_mask_right{
    right: 0;
}
.swiper_txt{
    position: absolute;
    line-height: 40px;
    padding-top: 20px;
    width: 100%;
    left: 0;
    bottom: 0;
    text-align: center;
    color: #fff;
    font-size: 14px;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 100%);
}

@media (max-width: 1023px){
    .swiper-pagination-fraction, .swiper-pagination-custom, .swiper-container-horizontal > .swiper-pagination-bullets{
        bottom: 20px;
    }
    .swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet{
        margin: 0 3px;
    }
    .swiper-pagination-bullet{
        width: 8px;
        height: 8px;
    }
    .who_item:first-child{
        width: 40%;
    }
    .who_item:last-child{
        width: 60%;
    }
    .why{
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    .forces_box{
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    .index_item{
        margin-top: 20px;
    }
    .partner_box{
        padding-bottom: 30px;
    }
}
@media (min-width: 768px) and (max-width: 1023px){
    .who_item_left{
        width: 100%;
        box-sizing: border-box;
        padding: 0 30px;
    }
    .who_item_left_txt{
        padding-left: 60px;
    }
    .who_item_left ul{
        padding-top: 10px;
    }
    .who_item_left ul li{
        font-size: 14px;
        padding: 5px 0 ;
        height: 30px;
        line-height: 30px;
    }
    .who_item_left_txt h4{
        font-size: 16px;
    }
    .who_item_left ul li span{
        display: none;
    }
    .why{
        display: flex;
        flex-wrap: wrap;
    }
    .why_item{
        width: 32%;
        margin:0 2% 20px 0;
        float: none;
    }
    .partner_item:nth-child(2n),.why_item:nth-child(3n){
        margin-right: 0;
    }
    .why_item_img_txt{
        font-size: 12px;
        line-height: 1.5;
        left: 20px;
        right: 20px;
    }
    .partner_item{
        width: 49%;
        margin:0 2% 20px 0;
        float: none;
        height: auto;
        padding-bottom: 20px;
    }
    .forces_item{
        width:232px;

    }
    .forces_item:nth-child(4),.forces_item:nth-child(1){
        margin-left: 0;
    }
    .partner_name{
        height: 55px;
    }
    .over_name{
        width:80%;
    }
    .partner_info{
        padding: 0 20px;
    }
    .campus{
        height: 310px;
        background-size: auto 100%;
    }
    .campus_con{
        display:flex;
    }
    .campus_item{
        flex:1;
        margin-left: 20px;
    }
}
@media (max-width: 767px){
    #swiper-container3 .swiper-slide{
        width: 70%;
    }
    .who_mask{
        width: 15%;
    }
    .banner_sub_flex{
        flex-wrap: wrap;
        padding: 10px 0 0;
    }
    .swiper_txt{
        font-size: 12px;
    }
    .banner_sub_flex dl{
        flex: none;
        width: 100%;
        background: #fff;
        border-radius: 10px;
        margin-bottom: 10px;
    }
    .banner_sub{
        height: auto;
    }
    .banner_sub_flex dl dt{
        float: left;
        height: 36px;
        margin: 12px 0 12px 10px;
        width: 100px;
    }
    .banner_sub_flex dl dt.national{
        background-size: 80% auto;
    }
    .banner_sub_flex dl dt.ets{
        background-size: auto 70%;
    }
    .banner_sub_flex dl dt.toefl{
        background-size: auto 80%;
    }
    .banner_sub_flex dl dd{
        padding-left: 120px;
        text-align: left;
    }
    .index_item{
        margin-top: 20px;
    }

    .who_item_left{
        width: 100%;
        box-sizing: border-box;
        padding: 0 15px;
    }
    .who_item_left_txt{
        padding-left: 20px;
    }
    .who_item_left ul{
        padding-top: 10px;
    }
    .who_item_left ul li{
        font-size: 12px;
        padding: 5px 0 ;
        height: 12px;
        line-height: 12px;
    }
    .who_item_left_txt h4{
        font-size: 14px;
    }
    .who_item_left ul li span{
        display: none;
    }
    .who_line{
        display: none;
    }
    .forces_item{
        width:100%;
        float:none;
        margin: 0 0 10px;
    }
    .why_item{
        float: none;
        margin: 0 auto 10px;
    }
    .partner_box{
        padding-bottom: 40px;
    }
    .over_name{
        width:80%;
    }
    .partner_item{
        float: none;
        margin: 0 auto 10px;
        height: auto;
        padding-bottom: 20px;
        width:320px;
    }
    .partner_item_img{
        height: 40px;
    }
    .partner_name{
        height: 50px;
    }
    .partner_info{
        padding: 0 20px;
    }
    .campus{
        height: 670px;
        overflow:hidden;
        background: url(./images/m_room_bg.png) no-repeat center;
    }
    .campus_item{
        width:100%;
        margin: 0 auto 20px auto;
    }
}

@media (min-width: 768px) and (max-width: 1024px){

}
@media (min-width: 480px) and (max-width: 768px){

}
@media (max-width: 480px){

}



.menu {
    float: right;
    display: inline;
    line-height: 60px;
    position: relative
}

.menu ul {
    padding-right: 35px;
    zoom:1
}

.menu ul::after {
    content: "";
    display: block;
    clear: both
}

.menu ul.nosch {
    padding: 0
}

.menu li {
    float: left;
    display: inline;
    margin: 0 30px 0 0;
    position: relative
}

.menu li a {
    font-size: 16px;
    color: #333;
    position: relative;
    display: inline-block
}

.menu li a:hover {
    color: #0188fb
}

.menu li::before {
    content: "";
    width: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    opacity: .1;
    background: #0188fb;
    position: absolute;
    left: 50%;
    bottom: 0;
    -webkit-transition: all .2s;
    -moz-transition: all .2s;
    -o-transition: all .2s;
    transition: all .2s
}

.menu li:hover::before,.menu li.on::before {
    width: 32px;
    margin-left: -16px;
    opacity: 1
}

.menu li:hover a,.menu li.on a {
    color: #0188fb
}

.menu li .subnav {
    min-width: 200px;
    padding: 10px 0;
    line-height: 40px;
    border-top: 1px solid #0188fb;
    box-shadow: 0 2px 2px 0 #ddd;
    background: #fff;
    position: absolute;
    top: 60px;
    left: -20px;
    z-index: 99;
    display: none;
    -webkit-animation: fadeInUp .3s 0s ease both;
    -moz-animation: fadeInUp .3s 0s ease both
}

.menu li .subnav a {
    padding: 0 20px;
    font-size: 14px;
    border-bottom: 1px solid #f5f5f5;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    display: block
}

.menu li .subnav a::after {
    content: "\e6a6";
    font-size: 16px;
    color: #ccc;
    font-family: iconfont;
    font-weight: 600;
    position: absolute;
    top: 0;
    right: 15px;
    vertical-align: top;
    -moz-transition: opacity .5s;
    -o-transition: opacity .5s;
    -webkit-transition: opacity .5s;
    transition: opacity .5s
}

.menu li .subnav a:hover::after {
    color: #0188fb
}

.menu li .subnav a.on {
    color: #0188fb
}

.menu li .subnav a.on::after {
    opacity: 1
}

.menu li .subnav a:last-child {
    border: 0
}

.menu li .subnav::before {
    content: "";
    width: 0;
    height: 0;
    margin: -21px 0 0 0;
    border: 10px solid transparent;
    border-bottom-color: #0188fb;
    position: absolute;
    top: 0;
    left: 26px;
    z-index: 3
}

.menu li .subnav::after {
    content: "";
    width: 0;
    height: 0;
    margin: -20px 0 0 0;
    border: 10px solid transparent;
    border-bottom-color: #fff;
    position: absolute;
    top: 0;
    left: 26px;
    z-index: 3
}

.menu li.subcate:hover a {
    color: #0188fb
}

.menu li.subcate:hover::before {
    display: none
}

.menu li.subcate:hover .subnav {
    display: block
}

.menu li.subcate:hover .subnav a:hover {
    color: #0188fb
}

.menu li.subcate:hover .subnav a.on {
    color: #0188fb
}

.menu li.subcate:hover .subnav a.on::after {
    color: #0188fb
}

.menu li.subcate .subnav a {
    color: #333
}

.menu.on {
    width: 100%;
    float: left;
    display: inline;
    margin: 0 -20px;
    padding: 10px 20px 0;
    border-top: 1px solid #e4e8eb;
    background: #fff;
    position: absolute;
    top: 50px;
    z-index: 9;
    display: block
}

.menu.on li {
    width: 100%;
    float: none;
    line-height: 40px;
    border-bottom: 1px dotted #e4e8eb;
    display: block
}

.menu.on li a {
    display: block
}

.swiper_img {
    display: block;
    width: 100%;
    height: auto;
}

.postimg {
    width: 120px;
    height:98px;
    float: left;
    display: inline;
    margin: 0 20px 10px 0;
    border-radius: 3px;
    overflow: hidden;
}