@media only screen and (max-width: 1000px){
    body{
        margin: 0;
        padding: 0;
        width: 100%;
    }
    header div{
        width: 100%;
    }
    nav ul li{
        display: block;
        font-size: 12px;
        margin: 10px 5px;
    }
    nav ul{
        display: block;
        position: relative;
        right: 0;
        z-index: 99999999999999;
    }
    nav ul li a{
        font-size: 12px;
        color: #000;
    }
    .active{
        color: #000;
    }
    header{
        height: auto;
        padding: 0px 0 100px 0
    }
    header .casehead{
        width: 100%;
        display: inline-flex;
    }
    header .casehead div{
        width: 100%!important;
    }
    header .casehead nav{
        width: 100%!important;
        display: block;
    }
    .logoimg{
        position: relative;
    }
    .bannecatdog{
        display: none;
    }
    .banner{
        text-align: center;
        margin: 0;
        padding: 0;
    }
    .lapi{
        display: none;
    }
    .homeimg{
        display: none;
    }
    .case3{
        display: block;
        width: 100%;
        margin-top: 0px;
        padding: 0;
    }
    .case3 div{
        display: inline-block;
        width: 100%;
        margin-top: 0px;
        padding: 20px 0px;
    }
    .caseblock{
        display: block;
        width: 100%;
        margin-top: 0px;
    }
    .caseblock div{
        display: block;
        width: 100%;
        margin-top: 0px;
        padding: 20px 0px;
    }
    .case1{
        width: 100%;
    }
    .case2{
        width: 100%;
        display: block;
    }
    .case5{
        width: 100%;
        display: block;
        text-align: center;
    }
    .case5 div img{
        width: 50px;
    }
    footer{
        height: auto;
    }
    footer .case3{
        display: block;
    }

    /*text*/
    h1{
        font-size: 30px;
    }
    h2{
        font-size: 40px;
    }
    h3{
        font-size: 30px;
    }
    .row{
        width: 100%;
    }
    .gleb{
        height: auto;
        width: 100%;
    }
    .dogcall{
        height: auto;
        width: 100%;
    }
    div.about a{
        display: block;
    }
    div.case1 a{
        display: block;
    }
}
@media only screen and (max-width: 750px){
    body{
        margin: 0;
        padding: 0;
        width: 100%;
    }
    header div{
        width: 100%;
    }
    nav ul li{
        display: block;
        font-size: 12px;
        margin: 10px 5px;
    }
    nav ul{
        display: block;
        position: relative;
        right: 0;
        z-index: 99999999999999;
    }
    nav ul li a{
        font-size: 12px;
        color: #000;
    }
    .active{
        color: #000;
    }
    header{
        height: auto;
        padding: 0px 0 100px 0
    }
    header .casehead{
        width: 100%;
        display: inline-flex;
    }
    header .casehead div{
        width: 100%!important;
    }
    header .casehead nav{
        width: 100%!important;
        display: block;
    }
    .logoimg{
        position: relative;
    }
    .bannecatdog{
        display: none;
    }
    .banner{
        text-align: center;
        margin: 0;
        padding: 0;
    }
    .lapi{
        display: none;
    }
    .homeimg{
        display: none;
    }
    .case3{
        display: block;
        width: 100%;
        margin-top: 0px;
        padding: 0;
    }
    .case3 div{
        display: inline-block;
        width: 100%;
        margin-top: 0px;
        padding: 20px 0px;
    }
    .caseblock{
        display: block;
        width: 100%;
        margin-top: 0px;
    }
    .caseblock div{
        display: block;
        width: 100%;
        margin-top: 0px;
        padding: 20px 0px;
    }
    .case1{
        width: 100%;
    }
    .case2{
        width: 100%;
        display: block;
    }
    .case5{
        width: 100%;
        display: block;
        text-align: center;
    }
    .case5 div img{
        width: 50px;
    }
    footer{
        height: auto;
    }
    footer .case3{
        display: block;
    }

    /*text*/
    h1{
        font-size: 30px;
    }
    h2{
        font-size: 40px;
    }
    h3{
        font-size: 30px;
    }
    .row{
        width: 100%;
    }
    .gleb{
        height: auto;
        width: 100%;
    }
    .dogcall{
        height: auto;
        width: 100%;
    }
    div.about a{
        display: block;
    }
    div.case1 a{
        display: block;
    }
}