.index-banner {
    position: relative;
    width: 100%;
}

.index-banner .banner-loop img {
    width: 100%;
}

.banner-pagination {
    position: absolute;
    z-index: 9;
    text-align: center;
    width: 100%;
    bottom: 10px;
}

.banner-pagination .swiper-pagination-bullet-active {
    background: #fff;
}

.banner-pagination span {
    width: 50px;
    height: 3px;
    border-radius: 0;
    margin: 0 3px;
}

.about {
    background: url(../images/about_bg.jpg?1) top center no-repeat;
    padding: 80px 0;
    
    color: #fff;
    background-size: cover;
     
}
.tit_cn{
    font-size: 30px;
    font-weight: 600;
    text-align: center;
}
.tit_en {
    font-size: 14px;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    margin-top: 10px;
    text-transform: uppercase;
}

.tit_line{
    width: 80px;
    margin: 0 auto;
    height: 2px;
    background: var(--SW-PAGE-ROOT-COLOR);
    margin-top: 5px;
}

.about_box{
    line-height: 1.6;
    margin-top: 40px;
}
.about_box p{
    padding: 0;
    margin: 0;
    margin-top: 15px;
}

.product{
    padding: 80px 0 0;
}
.product_box{
    margin-top: 40px;
}
.product_box ul {
    margin-left: -20px;
    margin-right: -20px;
    margin-top: 45px;
}
.product_box ul li {
    margin: 0px 20px 90px;
    width: calc(33.333% - 40px);
    float: left;
}
.product_box ul li .imgs {
    height: 220px;
    overflow: hidden;
}

.product.gz{
    
    padding-bottom: 0;
}

.product_box ul li img {
    width: 100%;
    height: 220px;
}

.product_box .title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    text-align: center;
}

.product_box .detail {
    line-height: 1.8;
}

@media (min-width: 992px) {
}

@media (min-width: 1025px) {
}

@media screen and (min-width: 1600px) {
     
}

@media screen and (max-width: 1600px) {
}

@media screen and (max-width: 1440px) {
}

@media screen and (max-width: 1366px) {
}

@media screen and (max-width: 1250px) {
}

@media screen and (max-width: 1024px) {
    
}

@media screen and (max-width: 768px) {
    .product_box ul {
        margin-left: 0px;
        margin-right: 0px;
    }
    .product_box ul li {
        margin: 0px 0px 40px;
        width: 100%;
        float: none;
    }
}

@media screen and (max-width: 740px) {
}

@media screen and (max-width: 640px) {
}

@media screen and (max-width: 540px) {
}

@media screen and (max-width: 480px) {
}

@media screen and (max-width: 413px) {
}

@media screen and (max-width: 375px) {
}