*{
    padding: 0;
    margin: 0;
    text-decoration: none;
}
html, body{    
    width: 100%;
    height: 100%;
    overflow: auto;
}
.heads{
    height: 1rem;
    width: 100%;
    background: #0fbd8c;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
}
.heads iframe{
    float: left;
    width: 100%;
    height: 100%;
}
.headchild{
    width: calc(100% - .6rem);
    padding: 0 .3rem;
    height: auto;
    min-height: 1rem;
    position: relative;
    z-index: 3;
    background: #0fbd8c;
}
.headchild .head_title{
    line-height: 1rem;
    height: 1rem;
    color: #fff;
    text-align: center;
    font-size: .34rem;
}
.headchild .head_log{
    position: absolute;
    left: 0.3rem;
    top: calc(50% - .27rem);
    width: 5.03rem;
    height: .54rem;
    background: url(../images/logo.png) no-repeat;
    background-size: 100% 100%;
}
.headchild .nav{
    width: .4rem;
    height: .26rem;
    position: absolute;
    right: .3rem;
    padding: .1rem;
    top: calc(50% - .23rem);
}
.headchild .close_nav{
    background: url(../images/head_right_icon.png) no-repeat;
    background-size: .4rem ;
    background-position: center;
}
.headchild .open_nav{
    background: url(../images/head_right_icon.png) no-repeat;
    background-size: .4rem ;
    background-position: center;
}
.Nav_section{
    width: 100%;
    height: calc(100% - 1rem);
    position: fixed;
    top: -13rem;
    z-index: 2;
    left: 0;
    color: #ffffff;
    background: #0fbd8c;
}
.nav_list{
    width: calc(100% - .6rem);
    margin: 0 auto;
    position: relative;
    height: 100%;
    border-top:.015rem solid #fff;
}
.nav_list .nav_top{
    margin: 0 auto;
    margin-top: .25rem;
    width: calc(100% - 1.1rem);
}
.nav_top .nav_item{
    height: .65rem;
    line-height: .65rem;
    font-size: .22rem;
    color: #fff;
    font-weight: 600;
    border-bottom: .01rem solid #fff;
}
.nav_top .nav_item:last-child{
    border: 0;
}
.nav_bottom{
    height: auto;
    width: calc(100% - 1.1rem);
    margin: .3rem auto;
    color: #fff;
}
.nav_bottom .nav_items{
    height: .7rem;
    line-height: .7rem;
    padding-left: .25rem;
    font-size: .2rem;
    background: #27c498;
    border-radius: .04rem;
    position: relative;
    margin-bottom: .1rem;
}
.nav_bottom .nav_items .icon{
    display: inline-block;
    position: absolute;
    width: .14rem;
    height: .17rem;
    top: calc(50% - 0.085rem);
    right: .22rem;
    background: url(../images/nav_wai_icon.png) no-repeat;
    background-size: 100% 100%;
}
.nav_list .posit{
    position: absolute;
    bottom: .3rem;
    left: .55rem;
}
.nav_list .default{
    margin: 0 auto;
    margin-top: .3rem;
}
.section{
    width: 100%;
    height: calc(100% - 1rem);
    padding-top: 1rem;
}
.title_describe{
    padding-top: .1rem;
    font-size: .22rem;
    line-height: .33rem;
}
.programe_case{
    margin-top: .3rem;
    overflow: auto;
}
.case_item{
    width: 3.26rem;
    height: 2.96rem;
    display: inline-block;
    float: left;
    margin-bottom: .3rem;
    border: .02rem solid #0fbd8c;
}
.case_item:nth-child(2n){
    margin-left: .3rem;
}
.case_item img{
    width: .8rem;
    height: .8rem;
    display: block;
    margin: 0.58rem auto .15rem auto;
}
.case_item .item_caseTitle{
    font-size: .24rem;
    line-height: .28rem;
    color: #001f63;
    text-align: center;
}
.case_item .case_EN{
    font-size: .18rem;
    line-height: .24rem;
    max-width: 85%;
    text-align: center;
    margin: .1rem auto;
}