@charset "UTF-8";

@media screen and (max-width: 1400px){
    .about > div,
    .power > div{
        width: 95%;
    }
}

@media screen and (max-width: 1200px){
    .about{
        background-size:auto 500px ;
    }
    .about > div .right{
        margin-top: 130px;
    }
}

@media screen and (max-width: 1024px){
    .about{
        background-size:auto 550px ;
    }
    .power .bottom li .one{
        font-size: 30px;
    }
    .power .bottom li .two{
        font-size: 25px;
    }
    .power .bottom li + li:before{
        bottom: 0;
    }
}

@media screen and (max-width: 768px){
    .introduction{
        padding-bottom: 30px;
    }
    .about > div .left,
    .about > div .right{
        width: 100%;
        float: none;
    }
    .about > div .right{
        margin-top: 20px;
    }
    .power .bottom li .two {
        font-size: 20px;
    }
    .power .bottom li .one {
        font-size: 23px;
    }
    .about > div .left h3,
    .power .top h3{
        font-size: 24px;
    }
    .about > div{
        padding: 30px 0;
    }
    .about > div .left h3, .power .top h3{
        font-size: 18px;
    }
    .about > div .left span{
        margin-bottom: 20px;
    }
    .power > div{
        padding-top: 30px;
    }
    .power .top p{
        margin: 20px 0;
        line-height: 25px;
    }
    .power .bottom li{
        width: 50%;
        margin-bottom: 10px;
    }
    .power .bottom li:nth-child(3):before{
        display: none;
    }
    .power .bottom .end .one:after{
        font-size: 20px;
    }
}

@media screen and (max-width: 375px){
    .power .bottom li{
        font-size: 12px;
    }
    .power .bottom li .one{
        font-size: 16px;
    }
    .power .bottom li .two{
        font-size: 14px;
    }
}