@media (max-width:1920px) {
}
@media (max-width:1599px) {
}
@media (max-width:1477px) {}

@media (max-width:1365px) {}

@media (max-width:1199px) {}

@media (max-width:990px) {}

@media (max-width:767px) {
    .home-banner h1{
        font-size: 23px;
        margin-bottom: 17px !important;
    }
    
    .home-banner h2 {
        font-size: 17px;
        line-height: 1.3;
        margin-bottom: 7px;
    }
    .homeban-box{
        height: 310px;
    }
    .polykemi-swiper .swiper-slide .main-inner{
        padding: 0;
    }
    .help-tit1{
        font-size: 18px;
        padding: 0;
            margin-bottom: 7px;
    }
    .help-tit2{
        font-size: 15px;
        margin-bottom: 10px;
        white-space: nowrap;
    }
    .help-tit3{
        font-weight: bold !important;
        font-size: 17px !important;
        margin-top: 5px;
    }
    .help-tit3:after{
        top: 8px !important;
    }
    .polykemi-swiper .swiper-slide .main-inner{
        top: 34%;
    }
    .big-link .main-inner h3 {
        width: 100%;
    font-size: 26px !important;
    }
    .home-more{
            font-size: 18px !important;
    }
    .home-more:after{
        top: 9px !important;
    }
}