@media screen and (max-width: 1200px){
    .navbar{
        width: 600px;
        padding: 10px 0;
        line-height: 40px;
    }
    .r4 .cont{
        height: 1000px;
    }
    .r3 .pull-left{
        width: 33.33333333%;
    }
    .r3 .pull-right{
        width: 66.666666666%;
    }
}
@media screen and (max-width: 1000px){
    .r5 .pull-left{
        width: 33.33333333%;
    }
    .r6 .pull-left {
        width: 25%;
    }
    .r2 .sec{
        height: 250px;
        padding: 74px 12% 0;
    }
}
@media screen and (max-width: 900px){
    .r1 .body-content{
        max-width: 640px;
        height: auto;
        width: auto;
        background-image: none;
        margin: 0 auto -24px;
    }
    .r1 .item{
        position: relative;
        left: 0;
        right: 0;
        bottom: 0;
        top: 0;
        text-align: left;
        max-width: 100%;
        padding-left: 75px;
        float: left;
        width: 46%;
        margin: 0 2% 24px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }
    .r1 .title{
        font-weight: normal;
        padding: 0;
    }
    .r1 .item .h .c{
        position: absolute;
        left: 0;
        top: 0;
    }

    .r2 .pull-left{
        float: none;
        width: auto;
        font-size: 0;
        margin-bottom: 24px;
    }
    .r2 .cc,
    .r2 .sec{
        display: inline-block;
        vertical-align: middle;
        font-size: 14px;
    }
    .r2 .body-content{
        padding: 0 20px;
        margin-bottom: -24px;
    }
    .r2 .cc{
        width: 35%;
        padding-top: 35%;
    }
    .r2 .sec{
        width: 62%;
        margin: 0 0 0 3%;
        background-image: none;
        padding: 0;
        height: auto;
    }
    .r4 .pull-left{
        float: none;
        width: auto;
    }
    .r4 .cont .h{
        font-weight: normal;
        display: inline-block;
        text-align: left;
    }
    .r4 .cont .h .b{
        font-size: 28px;
    }
    .r4 .cont .h .s{
        font-size: 14px;
    }
    .r4 .cont{
        height: auto;
    }
    .r4 .cont{
        height: auto;
        cursor: pointer;
        padding-bottom: 10px;
        /*text-align: center;*/
    }
    .r4 .cont .slide{
        display: none;
    }
    .r3 .pull-right{
        display: none;
    }
}


@media screen and (max-width: 850px){
    .hide-mob{
        display: none;
    }
    .navbar{
        position: absolute;
        left: 0;
        right: 0;
        width: auto;
        float: none;
        top: 100%;
        background-color: #fff;
        z-index: 100;
        border-top: 1px solid #eee;
        border-bottom: 1px solid #eee;
        text-align: center;
    }
    .navbar li{
        float: none;
    }
    .navbar>li:hover .sub{
        display: none;
    }
    .nav {
        height: 70px;
        line-height: 70px;
        z-index: 100;
    }
    .nav .logo img{
        max-width: 60%;
    }
    .navbar-button{
        position: absolute;
        right: 10px;
        top: 50%;
        display: block;
        cursor: pointer;
        margin-top: -19px;
    }
    .navbar-button span{
        display: block;
        width: 32px;
        height: 3px;
        background-color: #444;
        margin: 7px 4px;
    }
    .r3 .pull-left{
        width: 50%;
    }
    .r7 .pull-left{
        width: 46%;
        margin-bottom: 24px;
    }
    .r7 .body-content{
        margin-bottom: -34px;
    }
}

@media screen and (max-width: 640px){
    .r1 .item{
        float: none;
        width: auto;
        margin: 0 0 24px;
        padding-left: 56px;
    }
    .r1{
        padding-left: 20px;
        padding-right: 20px;
    }
    .title .b{
        font-size: 24px;
    }
    .title .s{
        font-size: 14px;
    }
    .r1 .item .h .cover-img{
        width: 50px;
        height: 50px;
    }
    .r1 .item .h,
    .r3 .cont .h,
    .r4 .cont .h .b{
        font-size: 18px;
    }
    .r1 .item p,
    .r3 .cont p,
    .r4 .cont .h .s,
    .r2 .cc .tt .b,
    .r5 .cont .t{
        font-size: 14px;
    }
    .r6 .pull-left {
        width: 33.333333333%;
    }
    .r5 .pull-left{
        width: 50%;
    }
    .r3 .cont .o{
        width: 64px;
        height: 64px;
        line-height: 64px;
        font-size: 24px;
    }
    .r3 .pull-left .cont:before{
        top: 32px;
    }
    .r3 .pull-left .cont{
        padding: 0 10px 10px;
    }
    .r3 .cont p{
        height: 67px;
    }
    .r3 .row{
        background-size: 100% auto;
    }
    .r4 .cont .h{
        padding: 14px 0 19px 36px;
    }
    .r2 .cc .tt p{
        display: none;
    }
    .r2{
        background-position: right bottom;
    }
}