body{
    background: #F8F8F8;
}
.banner {
    width: 100%;
}

.banner img {
    display: block;
    width: 100%;
    object-fit: cover;
    min-height: 21.875rem;

}


.product{
    overflow: hidden;
    margin-top: 2.5rem;
}
.product>ul{
    margin-bottom: 3.75rem;
}
.product>ul>li{
    background: #ffffff;
    padding: 3.125rem;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
}
.product>ul>li .l{
    width: 37.3134%;/* 500px */
}
.product>ul>li .l .icon{
    width: 6.25rem;
    height: 6.25rem;
    background-repeat: no-repeat;
    background-size: 100%;
}
.product>ul>li .l .icon img:nth-child(2){
    display: none;
}
.product>ul>li .l h3{
    font-size: 2rem;
    line-height: 2.625rem;
    font-weight: normal;
    margin: 1.375rem 0;
}
.product>ul>li .l p{
    font-size: 1rem;
    line-height: 1.875rem;
}
.product>ul>li .l:hover .icon{
    background-position: left bottom;
}
.product>ul>li .l:hover h3{
    color: #0154A4;
}
.product>ul>li .r{
    width: 57.0149%;/* 764px */
}
.product>ul>li .r .lm{
    width:auto;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
}
.product>ul>li .r .lm::-webkit-scrollbar{
    width: 3px;
    height: 3px;
    background-color: #E5E5E5;
}
.product>ul>li .r .lm::-webkit-scrollbar-track{
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    border-radius: 10px;
    background-color: #E5E5E5;
}
.product>ul>li .r .lm::-webkit-scrollbar-thumb
{
    border-radius: 10px;
    background-color: #333333;
}

.product>ul>li .r .lm div{
    display: inline-block;
    font-size: 1rem;
    line-height: 1.375rem;
    margin-right: 1.875rem;
    cursor: pointer;
}
.product>ul>li .r .lm div:last-child{
    margin-right: 0;
}
.product>ul>li .r .lm div.on{
    color: #0154A4;
    border-bottom: 1px solid #0154A4;
}

.product>ul>li .r .list>div{
    justify-content: space-between;
    display: none;
}
.product>ul>li .r .list>div.on{
    display: flex;
    justify-content: center;
    align-items: center;
    /*border: 1px solid #dfd7d7;*/
    height: 337px;
}
.product>ul>li .r .list>div span{
    display: block;height: 330px;
    /*: 48.6910%;*/
}
.product>ul>li .r .list>div span img{
    /*width: 100%;aspect-ratio: 464/560;*/ height: 330px;
}

@media (max-width: 1200px) {
    .banner{
        margin-top: 5rem;
    }
}


@media (max-width: 768px) {
    .banner{
        margin-top: 0;
    }
    .banner img{
        min-height: auto;
    }

    .product{
        margin-top: 1.875rem;
    }
    .product>ul>li{
        padding: .625rem;
        margin-bottom: .9375rem;
        flex-direction: column;
    }
    .product>ul>li .l{
        width: 100%;
        margin-bottom: .9375rem;
    }
    .product>ul>li .l .icon{
        width: 3.125rem;
        height: 3.125rem;
    }
    .product>ul>li .l h3{
        font-size: 1.25rem;
        margin:  0;
    }
    .product>ul>li .l p{
        font-size: .875rem;
        line-height: 1.5;
    }
    .product>ul>li .r{
        width: 100%;
    }
    .product>ul>li .r .lm div{
        margin-right: .9375rem;
    }
    
    .product>ul>li .r .list>div.on{
        height: 12.625rem;
    }
    
    .product>ul>li .r .list>div span{
        display: block;height: 12.375rem;
        /*: 48.6910%;*/
    }
    
    .product>ul>li .r .list>div span img{
        /*width: 100%;aspect-ratio: 464/560;*/ height: 12.375rem;
    }
}