@media screen and (min-device-width:751px){
    .fixed-menu{
        background: #F8F8F8;
    }
    .chairman{
        background: #ffffff;
    }
    .banner-text-box{
        position: absolute;
        bottom: 30px;
        width: 100%;
    }
    .banner-text-box-body{
        display: flex;
        flex-direction: row-reverse;
    }
    .banner-text-box-text{
        width: 1200px;
    }
    .banner-text-box-title{
        font-size: 36px;
        color: #f8f8f8;
        text-align: left;
    }
    .banner-text-box-content{
        margin-top: 20px;
        font-size: 17px;
        line-height: 24px;
        color: #f1f1f1;
        animation: bounceIndown 1.5s cubic-bezier(0.215,0.355,0.61,1) 0s 1 alternate forwards;
        -webkit-animation: bounceIndown 1.5s cubic-bezier(0.215,0.355,0.61,1) 0s 1 alternate forwards;
    }
    @keyframes bounceIndown{
        0%{
            opacity: 0;
            transform: translate3d(0,100px,0);
            -webkit-transform: translate3d(0,100px,0);
            -moz-transform: translate3d(0,100px,0);
            -ms-transform: translate3d(0,100px,0);
            -o-transform: translate3d(0,100px,0);
    }
        50%{
            opacity: 0;
            transform: translate3d(0,50px,0);
            -webkit-transform: translate3d(0,50px,0);
            -moz-transform: translate3d(0,50px,0);
            -ms-transform: translate3d(0,50px,0);
            -o-transform: translate3d(0,50px,0);
    }
        100% {
            opacity: 1;
            transform: translate3d(0px, 0px, 0);
            -webkit-transform: translate3d(0px, 0px, 0);
            -moz-transform: translate3d(0px, 0px, 0);
            -ms-transform: translate3d(0px, 0px, 0);
            -o-transform: translate3d(0px, 0px, 0);
        }
    }
    .content-box{
        width: 100%;
    }
    .content-box-row1{
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding-top: 55px;
    }
    .content-box-row1 div{
        width: 565px;
        height: 225px;
        overflow: hidden;
    }
    .content-box-row1 img{
        width: 565px;
        height: 225px;
    }
    .content-box-row1 img:hover {
        transform: scale(1.1);
        -webkit-transform: scale(1.1);
        -moz-transform: scale(1.1);
        -ms-transform: scale(1.1);
        -o-transform: scale(1.1);
    }
    .content-box-row2{
        color: #333333;
        font-size: 14px;
        line-height: 24px;
        margin-top: 30px;
    }
    .content-box-row4{
        padding-bottom: 80px;
    }
    .content-box-row4-title{
        color: #333333;
        font-size: 32px;
        margin: 30px 0 20px 0;
    }
   .swiper-slide-img-m,.content-box-m-title,.content-box-m-row1,.content-box-m-row4,.last-img{
        display: none !important;
    }
}
@media screen and (min-device-width:300px) and (max-device-width:750px){
    .banner-text-box,.foot-box,.content-box-row1,.content-box-row4{
        display: none;
    }
    .content-box{
        width: 100%;
    }
    .content-box-m-title{
        margin-top: .3rem;
        font-size: .35rem;
        color: #333333;
        font-weight: bold;
    }
    .content-box-row2{
        color: #333333;
        font-size: .23rem;
        margin-top: .3rem;
    }
    .content-box-row2 p{
        margin-bottom: .4rem;
    }
    .content-box-row4{
        padding-bottom: 80px;
    }
    .content-box-m-row1{
        width: 100%;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .content-box-m-row1 div{
        width:3.25rem ;
        height: 2.0rem;
        margin-bottom: .2rem;
    }
    .content-box-m-row1 div img{
        width:3.25rem ;
        height: 2.0rem;
    }
    .content-box-m-row4{
        color: #333333;
        font-size: .23rem;
        margin-top: .3rem;
    }
    .last-img{
        width: 100%;
        margin-top: .3rem;
        padding-bottom: .4rem;
    }
    .last-img img{
        width: 100%;
    }
}