@media screen and (max-width: 1680px){
    .intro>div .box {
        width: 612px;
        height: 350px;
    }
    .intro>div>.text {
        width: 537px;
    }
    .intro>div>.text p {
        font-size: 14px;
    }
    .business li {
        margin-right: 50px;
    }
    .scheme li {
        width: 520px;
    }
    .product li {
        width: 403px;
    }
    .product .swiper-container .swiper-button-prev {
        left: 100px;
    }
    .product .swiper-container .swiper-button-next {
        right: 100px;
    }
    .product .bannerBox{
        width: 1220px;
    }
}
@media screen and (max-width: 1440px){
    .scheme {
        height: 650px;
    }
    .scheme ul{margin-top: 40px;}
    .scheme ul li{margin-bottom: 40px;}
    .scheme ul li .title{font-size: 20px;padding-left: 30px;}
    .scheme ul li .title::before{width: 16px;height: 16px;margin-top: -8px;}
    .scheme ul li .txt{padding-left: 30px;}
    .product .bannerBox .swiper-button-prev {
        background-size: 70%;
        left: -110px;
    }
    .product .bannerBox .swiper-button-next {
        background-size: 70%;
        right: -130px;
    }
    .intro>div>p {
        font-size: 35px;
    }
    .business>p {
        font-size: 35px;
    }
    .scheme div>p {
        font-size: 35px;
    }
    .scheme li span {
        font-size: 20px;
    }
    .scheme li p {
        font-size: 14px;
        margin-left: 66px;
        margin-bottom: 50px;
    }
    .scheme {
        height: 570px;
    }
    .product p {
        font-size: 35px;
    }
}
@media screen and (max-width: 1280px){
    .product .bannerBox .swiper-button-prev {
        left: -46px;
    }
    .product .bannerBox .swiper-button-next {
        right: -68px;
    }
}
@media screen and (max-width: 750px){
    .head span {
        margin-top: 3rem;
        margin-bottom: 0px;
        font-size: .56rem;
    }
    .head p {
        width: 6.9rem;
        height: auto;
        color: #FFFFFF;
        line-height: .45rem;
        margin-top: .28rem;
    }
    body>.nav{
        display: none;
    }
    .intro {
        padding-top: .6rem;
        padding-bottom: .6rem;
    }
    .intro>div>p {
        margin-bottom: .6rem;
        font-size: .56rem;
    }
    .intro>div>.text {
        width: 6.9rem;
        height: auto;
        line-height: .6rem;
    }
    .intro>div>.text p {
        width: 6.9rem;
        margin-bottom: .6rem;
    }
    .intro>div .player {
        width: .8rem;
        height: .8rem;
    }
    .intro>div .box {
        width: 6.9rem;
        height: auto;
    }
    .business>p {
        font-size: .56rem;
        margin-top: .6rem;
        margin-bottom: 0;
    }
    .business ul{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .business li {
        width: 3.45rem;
        margin-right: 0px;
        margin-top: .6rem;
        text-align: center;
    }
    .business li img {
        width: 1rem;
        height: 1rem;
        display: block;
        margin: 0 auto;
    }
    .business li span {
        font-size: .34rem;
        margin-top: .3rem;
        margin-bottom: .3rem;   
    }
    .business li p {
        font-size: .25rem;
        line-height: .3rem;
    }
    .scheme {
        height: auto;
        margin-top: .6rem;
        background: url(../../images/applicationDetails2.png) no-repeat;
        background-size: cover;
    }
    .scheme div>p {
        font-size: .56rem;
        margin-top: .4rem;
    }
    .scheme div>ul {
        font-size: .56rem;
        margin-top: .3rem;
        display: block;
    }
    .scheme ul li {
        width: 6.9rem;
        margin-bottom: .4rem;
    }
    .scheme ul li .title{font-size: .4rem;line-height: .6rem;padding-left: .5rem;}
    .scheme ul li .title::before{width: .3rem;height: .3rem;margin-top: -.15rem;}
    .scheme ul li .txt{font-size: .26rem;margin-top: .2rem;padding-left: .5rem;}

    .product {
        height: auto;
        padding-bottom: .6rem;
    }
    .product p {
        font-size: .56rem;
        margin-top: .6rem;
    }
    .product .bannerBox {
        width: 6.9rem;
    }
    .product .bannerBox .swiper-button-prev {
        display: none;
    }
    .product .bannerBox .swiper-button-next {
        display: none;
    }
    .product .swiper-container {
        margin-left: 0;
        margin-right: 0;
        width: 6.9rem;
    }
    .product li {
        width: 6.9rem;
    }
    .product img {
        margin-top: .3rem;
    }
    .product span {
        margin-top: .3rem;
        font-size: .5rem;
    }
}