.swiper{
   width: 100%;
}
.swiper img{
    width: 100%;
}
.tab_list {
    width: 100%;
    height: 62px;
    background: #FFFFFF;
    box-shadow: 0px 2px 10px 3px rgba(240,240,240,0.5);
    justify-content: center;
}
.tab_list li{
    width: 176px;
    line-height: 62px;
    text-align: center;
}
.tab_list li:hover{
    cursor: pointer;
}
.tab_list li.on{
    position: relative;
}
.tab_list li.on:after{
    content:'';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 113px;
    height: 2px;
    background: #B71D28;
}
.tab_item{
    display: none;
}
.service-box{
    padding-top: 80px;
    padding-bottom: 98px;
}
.service-box p{
    margin: 86px 0 73px;
    color:#4F4F4F;
    font-size: 26px;
    text-align: center;
}
.service-box img{ 
    display: block;
    margin: 0 auto;
    width: 987px;
    height: 457px;
}
.service-box img.img{ 
    width: 950px;
    height: 432px;
}


.product-box {
    padding-top: 90px;
}
.product-box .product-item{
    margin-bottom: 100px;
}
.product-box .product-item .left{
    flex-direction: column;
    justify-content: center;
    width: 365px;
    height: 240px;
    margin-right: 85px;
}
.product-box .product-item .left span{
    font-size: 26px;
    color: #4F4F4F;
    line-height: 37px;
    text-align: center;
}
.product-box .list .item{
    margin-right: 30px;
}
.product-box .list .item span{
    font-size: 14px;
    color:#4F4F4F;
    line-height: 20px;
    text-align: center;
}
.product-box .list .item span.sub{
    font-size: 12px;
    color:#9C9C9C;
    line-height: 20px;
}