.mian{
    /*height: 100%*/
}
.main_nav {
    margin: 0.2rem 0.4rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px dashed #ccc;
}
.main_title{
    width:1.51rem;
    height:0.37rem;
    font-size:0.36rem;
    /*font-family:MicrosoftYaHei;*/
    font-weight:bold;
    color:rgba(51,51,51,1);
}
/* 关于我们菜单 */
.main_btn{
    display: flex;
    justify-content: space-around;
    /*flex-wrap: wrap;*/
    margin-top: 0.2rem;
}
.main_btn li{
    width: 33%;
    height: 0.7rem;
    line-height: 0.7rem;
    margin: 0.1rem;
    text-align: center
}
.main_btn li {
    display: block;
    font-size:0.32rem;
    /*font-family:MicrosoftYaHei;*/
    font-weight:400;
    color:rgba(102,102,102,1);
    border-radius: 0.08rem;
    background:rgba(234,234,234,1);
}

.main_btn_1{
    display: flex;
    justify-content: space-around;
    /*flex-wrap: wrap;*/
    margin-top: 0.2rem;
}
.main_btn_1 li{
    width: 33%;
    height: 0.7rem;
    line-height: 0.7rem;
    margin: 0.1rem;
    text-align: center
}
.main_btn_1 li {
    display: block;
    font-size:0.26rem;
    height: 0.6rem;
    line-height: 0.6rem;
    font-weight:400;
    color:#fff;
    border-radius: 0.3rem;
    background:rgba(234,234,234,1);
}

/*.main_btn li:first-of-type {
    background-color: #1974F5 ;
    color: #fff;
}*/
/*.main_btn li:active{
    background-color: #1974F5 ;
    color: #fff;
}*/
.main_btn .active {
    background-color: #1974F5 ;
    color: #fff;
}
/* 关于我们菜单 end */

.main_btn_1 .active {
    color: #fff;
    font-size: 0.32rem;
    font-weight: 400;
}

.mian_contain{
    margin:0.2rem 0.4rem
}
.contain_title{
    text-align: center;
    font-size:0.3rem;
    /*font-family:MicrosoftYaHei;*/
    font-weight:400;
    color:rgba(51,51,51,1);
    line-height:0.56rem;
}


.contain_text{
    text-indent: 2em;
    font-size:0.28rem;
    /*font-family:MicrosoftYaHei;*/
    font-weight:400;
    color:rgba(102,102,102,1);
    line-height:0.56rem;
}