@charset "UTF-8";

@media screen and (max-width: 1440px){
    .second-bar > div{
        width: 200px;
    }
}

@media screen and (max-width: 1430px){
    .air-technology .process ul li + li{
        margin-left: 30px;
    }
}
@media screen and (max-width: 1400px){
    .air-composition .collecting > div,
    .air-composition .maintenance > div,
    .air-features .collecting > div,
    .air-features .unit,
    .air-situation .auto,
    .air-technology .process ul,
    .air-technology .auto,
    .air-technology .server{
        width: 95%;
    }
}

@media screen and (max-width: 1200px){
    .air-features .unit ul li p{
        margin-bottom: 15px;
    }
    .air-technology .process ul li{
        width: 220px;
    }
}

@media screen and (max-width: 1024px){
    .air-features .unit ul li p{
        margin-bottom: 10px;
    }
}

@media screen and (max-width: 1100px){
    .second-bar > div + div{
        margin-left: 50px;
    }
}

@media screen and (max-width: 1000px){
    .air-composition .with-water .pic,
    .air-situation .auto p,
    .air-technology .auto p{
        width: 95%;
    }
}

@media screen and (max-width: 768px){
    .second-bar > div {
        width: 160px;
    }
    .second-bar > div + div {
        margin-left: 25px;
    }
    .air-composition .with-water p{
        width: 95%;
    }
    .air-features .collecting{
        padding: 30px 0;
    }
    .air-features .title h3{
        font-size: 18px;
    }
    .air-features .title{
        margin-bottom: 20px;
    }
    .air-features .unit ul li{
        width: 100%;
        height: auto;
        margin-bottom: 20px;
    }
    .air-features .unit ul li + li{
        margin-left: 0;
    }
    .air-features .unit{
        padding: 30px 0;
    }
    .air-features .transmission{
        width: 95%;
        margin: auto;
        padding-bottom: 30px;
    }
    .air-features .transmission p{
        font-size: 13px;
    }
    .air-technology .process ul li{
        width: 23.5%;
    }
    .air-technology .process ul li + li{
        margin-left: 1.5%;
    }
    .air-technology .process ul li p{
        width: 80%;
    }
    .air-technology .process{
        padding: 60px 0;
    }
    .air-technology .auto{
        padding-top: 30px;
    }
}

@media screen and (max-width: 425px){
    .second-bar > div {
        width: 40%;
    }
    .second-bar > div{
        margin-bottom: 20px;
    }
    .second-bar > div:nth-child(2n+1){
        margin-left: 0;
    }
    .air-composition .title h3{
        font-size: 18px;
    }
    .air-composition .collecting{
        padding: 30px 0;
    }
    .air-composition .title{
        margin-bottom: 20px;
    }
    .air-composition .with-water{
        padding: 30px 0;
    }
    .air-composition .maintenance{
        padding: 30px 0;
    }
    .air-features .unit ul li:nth-child(1){
        padding-bottom: 150px;
    }
    .air-situation .auto .title h3{
        font-size: 18px;
    }
    .air-situation .auto .title{
        margin-bottom: 20px;
    }
    .air-situation .auto{
        padding-top: 30px;
    }
    .air-situation .auto ul li{
        width: 49%;
        margin-bottom: 10px;
    }
    .air-situation .auto ul li + li{
        margin-left: 2%;
    }
    .air-situation .auto ul li:nth-child(2n+1){
        margin-left: 0;
    }
    .air-situation .auto ul{
        margin: 30px 0;
    }
    .air-technology .process ul li{
        width: 49%;
        margin-bottom: 100px;
    }
    .air-technology .process ul li + li{
        margin-left: 2%;
    }
    .air-technology .process ul li:nth-child(2n+1){
        margin-left: 0;
    }
    .air-technology .process{
        padding: 60px 0 0;
    }
    .air-technology .auto .title h3{
        font-size: 18px;
    }
    .air-technology .auto .title{
        margin-bottom: 20px;
    }
    .air-technology .auto ul li{
        width: 49%;
    }
    .air-technology .auto ul li + li{
        margin-left: 2%;
    }
    .air-technology .auto ul li:nth-child(2n+1){
        margin-left: 0;
    }
    .air-technology .auto ul{
        margin: 30px 0;
    }
    .air-technology .server .title{
        margin-bottom: 20px;
    }
    .air-technology .server .title h3{
        font-size: 18px;
    }
    .air-technology .server p{
        margin-bottom: 20px;
    }
    .air-technology .server{
        padding-bottom: 30px;
    }
    .air-technology .server .pic > div{
        width: 100%;
        margin-bottom: 20px;
    }
    .air-technology .process ul li h3{
        font-size: 18px;
    }
}