@media screen and (min-width: 1200px) {
    .our{
        width: 51%;
        margin:0 auto ;
    }
    .our>img{
        display: block;
        margin: 0 auto;
    }
    .our_kuai{
        display: flex;
        margin-top: 20px;
    }
    .our .our_kuai .kuai_one{
        background: #2e75e0;
        width:270px;
        height: 260px;
        text-align: center;
        position: relative;
    }
    .our .our_kuai .kuai_one img{
        width: 17%;
        margin: 0 auto;
        position: absolute;
        top: 23%;
        left: 40%;
        transition: all 0.4s;
    }
    .our .our_kuai .kuai_one:hover img{
        left: 45%;
    }
    .our .our_kuai .kuai_one p{
        position: relative;
        top: 125px;
        color: white;
        font-size: 14px;
        padding: 0 25px;
    }
    .our .our_kuai .kuai_one>a{
        position: absolute;
        top: 180px;
        left: 70px;
        background: #3f8bfe;
        padding: 9px 30px;
        color: white;
        font-size: 16px;
        border-radius: 5px;
    }
    .our .our_kuai .kuai_one>a:hover{
        background: #1f5a91;
    }
    .our_kuai .kuai_two{
        background: #eeeeee;
        width:270px;
        height: 260px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .our_kuai .kuai_three{
        background: f9f9f9;
        width:270px;
        height: 260px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .our_kuai .kuai_two img,.our_kuai .kuai_three img{
        padding: 20px 0;
    }
    .our_kuai .kuai_two h4,.our_kuai .kuai_three h4{
        font-size: 20px;
        font-weight: bold;
        color:#333;

    }
    .our_kuai .kuai_two p,.our_kuai .kuai_three p{
        font-size: 14px;
        padding: 17px 0;
        color: #000;
    }
    .kuai_two:hover .yin{
        top: 0px !important;
        z-index: 100;
        transform: all 0.6s;
    }
    .kuai_three:hover .yin{
        top: 0px !important;
        z-index: 100;
        transform: all 0.6s;
    }
    .our_kuai .kuai_two .yin,.our_kuai .kuai_three .yin{
        background: #303030;
        opacity:0.9;
        width:270px;
        height: 260px;
        position: absolute;
        top: 260px;
        transition: all 0.6s;
        padding: 35px 0;
    }
    .kuai_two .yin a,.kuai_three .yin a{
        position: inherit;
    }
    .kuai_two .yin li,.kuai_three .yin li{
        text-align: center;
        padding: 20px;
    }
    .kuai_two .yin>li a{
        color:white;
        transition: all 0.4s;
        font-size:20px;
    }
    .kuai_three .yin>li a{
        color:white;
        transition: all 0.4s;
        font-size:20px;
    }
    .kuai_two .yin>li a:hover{
        margin-left: 15px;
        color: #2e75e0;
        font-weight: 700;
    }
    .kuai_three .yin>li a:hover{
        margin-left: 15px;
        color: #2e75e0;
        font-weight: 700;
    }
    .start{
        text-align: center;
        padding: 40px 0;
    }
    .our .our_kuai .tou{
        display: none;
    }
    #phone_footer{
        display: none;
    }
}





@media screen and (max-width: 1200px) {
    .our{
        width: 300px;
        text-align: center;
        margin: 30px auto;
    }
    .our .our_kuai .jiantou{
        display: none;
    }
    .our .our_kuai .kuai_two .yin,.our .our_kuai .kuai_three .yin{
        display: none;
    }
    .kuai_one>a{
        display: none;
    }
    .kuai_one>p{
        font-size: 12px;
        color: white;
    }
    .our .our_kuai .kuai_one{
        background: #2e75e0;
        text-align: center;
        height: 80px;
        padding: 20px 10px 0 10px;
    }
    .our .our_kuai .kuai_one img
    {
        width: 10%;
    }
    .start img{
        width: 100%;
    }
    .kuai_two{
        background: #eee;
        padding: 20px;
    }
    .kuai_two a{
        color:#000;
    }
    .kuai_three{
        background: #f9f9f9;
        padding: 20px;
    }
    .kuai_three a{
        color:#000;
    }
    .kuai_two img,.kuai_three img{
        width: 35%;
    }
    .kuai_two img,.kuai_three img{
        width: 35%;
    }
    .kuai_two h4,.kuai_three h4{
        padding: 10px;
    }
    .kuai_two p,.kuai_three p{
        font-size:12px ;
    }
    .start{
        width: 300px;
        margin: 0 auto;
    }
    #footer{
        display: none;
    }
}