.index_banner {
    width:100%;
    height:100vh;
    position: relative;
    overflow: hidden;
}
.index_banner .swiper-slide {
    width:100%;
    overflow: hidden;
    height:100%;
}

.index_banner .swiper-slide img {
    width:100%;
    height:100vh;
}


.index_banner .swiper-pagination-bullets {
    bottom:5%;
}
.index_banner .swiper-pagination-bullet {
    width:1rem;
    height:1rem;
}
.index_banner .swiper-button-prev {
    left:5%
}
.index_banner .swiper-button-next {
    right:5%
}

.index_banner .swiper-button-next, .index_banner .swiper-button-prev {
    color:var(--comcolor)
}
.index_banner .swiper-pagination-bullet-active {
    background:var(--comcolor)
}



@media  screen and (max-width: 1000px) {
    .index_banner,.index_banner .swiper-slide img  {
        height:auto;
    }
    .index_banner .swiper-button-next:after,.index_banner .swiper-button-prev:after {
        font-size: 1.5rem;
    }
}





.index_about {
    position: relative;
    padding: 5rem 0;
    background: #fff;
    overflow-x: hidden;
}
.index_about .title {
    margin-bottom: 3rem;
    font-size: 2.5rem;
    text-align: center;
}
.index_about .intro {
    font-size: 1rem;line-height: 2rem;text-indent: 2rem;
}
.index_about ul {
    display: flex;
    padding: 3rem 0;
}
.index_about ul li{
    flex:1;
    text-align: center;
}
.index_about ul li .tit{
    font-weight: 600;
    font-size: 1.2rem;
    height:4rem;
    margin: 1.5rem 0;
    color: #595959;
}
.index_about ul li .indicator .num{
    font-size: 2.5rem;
    color:var(--comcolor);
    font-weight: 600;
}
.index_about ul li .indicator i{
    font-size: 1.5rem;
}


@media  screen and (max-width: 1000px) {
    .index_about {
        padding:3rem 0;
    }
    .index_about .title {
        font-size: 2rem;
    }
}
@media  screen and (max-width: 765px) {
    .index_about ul {
        display: block;
        padding: 3rem 0;
    }
    .index_about ul li{
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid #e1e1e1;
    }
    .index_about ul li img {width:6rem;}
    .index_about ul li .tit {
        height:auto;
        margin: 1rem 0;
    }
    .index_about ul li .indicator .num {
        font-size: 2rem;
    }
}



.index_products {
    width:100%;padding: 5rem 0;
    background: url('../images/probg.jpg');
    background-size: cover;
    background-position: center center;
    position:relative;
    overflow: hidden;
    border-top-right-radius: 10rem;
    border-bottom-left-radius: 10rem;
}
.index_products .title {
    text-align: center;
    width:80%;
    margin: 0 auto;
}
.index_products .title .tit {
    font-weight: bold;
    font-size: 3rem;
    color: var(--comcolor);;
}

.index_products .intro {
    font-size: 1rem;
    line-height: 2rem;
    margin-top: 1rem;
    color:#fff;
}

.index_products .product_carousel {
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
    padding-bottom:2rem;
}
.index_products .products_list:not(:first-child) {
    display: none;
}
.index_products .products_list .item .box{
    position: relative;
    display: block;
    text-align: center;
    background: #fff;
    overflow: hidden;
    border: 1px solid #dee2e6 !important;
}
.index_products .products_list .item .img img{
    display: block;
}
.index_products .products_list .item .box .title{
    position: relative;
    display: block;
    padding: 1.2rem 1rem;
    font-size: 1rem;
    font-weight: 700;
}
.index_products .products_list .item .box .title a {
    position: relative;
    width:100%;
    height:3rem;
    color: #575757;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.index_products .products_list .item .overlay {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #fcb026e8;
    align-items: center;
    z-index: 5;
}


@media  screen and (min-width: 1000px) {
    .index_products ul{
        width:100%;
        margin: 3rem 0;
    }
    .index_products ul li {
        float: left;
        width: 23.5%;
        margin-right: 2%;
        margin-bottom: 0.6rem;
    }
    .index_products ul li:nth-child(4n) {
        margin-right: 0;
    }
    .index_products ul li a{
        font-size: 1rem;
        height: 3.2rem;
        background: #f1f1f1;
        border-radius: 3rem;
        display: flex;
        justify-content: center;
        align-items: center;
        padding:0 5%;
        text-align: center;
    }
    .index_products ul li a img {
        width:2.5rem;
        margin-right: 0.2rem;
    }
    .index_products ul li.act a {
        box-shadow: 0 0 0.8rem var(--comcolor) inset;
    }

    .index_products .products_list .item {
        width: 23.5%;
        margin-right: 2%;
        margin-bottom: 1rem;
        float: left;
        position: relative;
    }
    .index_products .products_list .item:nth-child(4n) {
        margin-right: 0;
    }
    .index_products .products_list .item .overlay .p_line {
        position: absolute;
        top: 5%;
        left: 5%;
        right: 5%;
        bottom: 5%;
    }
    .index_products .products_list .item .overlay .p_line:before {
        content: '';
        position: absolute;
        transition: all 0.75s;
        border-top: 1px solid #fff;
        border-bottom: 1px solid #fff;
        width: 0;
        height: 100%;
        left: 50%;
        top: 0;
    }
    .index_products .products_list .item .overlay .p_line:after {
        content: '';
        position: absolute;
        transition: all 0.75s;
        border-left: 1px solid #fff;
        border-right: 1px solid #fff;
        width: 100%;
        height: 0;
        top: 50%;
        left: 0;
    }
    .index_products .products_list .item:hover .overlay {
        opacity: 1;
        visibility: visible;
    }
    .index_products .products_list .item:hover .overlay .p_line:after,
    .index_products .products_list .item:hover .overlay .p_line:before
    {width:100%;height:100%;top:0;left:0;}
    .index_products .products_list .item:hover .box .title {
        opacity: 0;
    }
    .index_products .products_list .item:hover .overlay .go{
        color:#fff;
        width: 95%;
        text-align: center;
        position: absolute;
        top:50%;
        left:50%;
        transform: translate(-50%,-50%);
    }
    .index_products .products_list .item .overlay .go .tit{
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    .index_products .products_list .item .overlay .go i{
        font-size: 1.5rem;
        color:#fff;
    }

}

@media  screen and (max-width: 1000px){
    .index_products {
        padding: 2rem 0;
        border-top-right-radius: 5rem;
        border-bottom-left-radius: 5rem;
    }
    .index_products .title {
        width:100%;
    }
    .index_products .title .tit {
        font-size: 1.5rem;
    }
    .index_products ul{
        width:100%;
        margin: 2rem 0;
    }
    .index_products ul li {
        width:49%;
        margin-right: 2%;
        float: left;
        margin-bottom: 0.6rem;
    }
    .index_products ul li:nth-child(2n) {
        margin-right: 0;
    }
    .index_products ul li a{
        height:4rem;
        text-align: center;
        font-size: 0.9rem;
        padding:0 0.5rem;
        border-radius: 2.8rem;
        background: #f1f1f1;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .index_products ul li a img{
        width:2.5rem;
        margin-right: 0.3rem;
    }
    .index_products ul li.act a{
        box-shadow: 0 0 0.8rem var(--comcolor) inset;
    }
    .index_products ul li.act a{
        background: var(--comcolor);
        color:#fff;
    }
    .index_products .products_list .item  {
        width:49%;
        margin-right: 2%;
        float: left;
        margin-bottom: 0.6rem;
    }
    .index_products .products_list .item:nth-child(2n) {
        margin-right: 0;
    }
    .index_products .products_list .item .box .title{
        padding: 0.6rem 0.5rem;
    }
}








.index_advantages {
    position: relative;
    padding: 5rem 0 2rem;
}
.index_advantages .title {
    width:80%;
    margin: 0 auto;
}
.index_advantages .title h3 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}
.index_advantages .title .desc {
    font-size: 1rem;
    line-height: 2rem;
    color:#7d7d7d
}
.index_advantages ul {
    margin-top: 4rem;
}
.index_advantages ul li {
    width:48%;
    float: left;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    color:#333;
}
.index_advantages ul li:nth-child(odd) {
    margin-right: 4%;
    clear: both;
}
.index_advantages ul li .tit{
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}
.index_advantages ul li img{
    margin-right: 1rem;
}
.index_advantages ul li .des{
    font-size: 1rem;
    line-height: 2rem;
    height: 10rem;
    overflow-y: auto;
}

@media  screen and (max-width: 1000px){
    .index_advantages {
        position: relative;
        padding: 3rem 0;
    }
    .index_advantages .title {
        width: 100%;
    }
    .index_advantages .title h3 {
        font-size: 1.5rem;
    }
    .index_advantages ul {
        margin-top: 2rem;
    }
    .index_advantages ul li {
        width:100%;
        margin-right: 0;
        margin-bottom: 1rem;
    }
    .index_advantages ul li img {
        width:3rem;
    }
    .index_advantages ul li .tit {
        font-size: 1.5rem;
    }
    .index_advantages ul li .des {
        height:auto;
    }
}



.index_factory {
    position: relative;
    padding: 5rem 0;
    background: #fff;
    width:100%;
    overflow: hidden;
    background: url(../images/probg.jpg) center center / cover no-repeat;
    background-attachment: fixed;
}
.index_factory .title {
    width:80%;
    margin: 0 auto;
}
.index_factory .title h3{
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: #ffffff;
}
.index_factory .title .desc {
    font-size: 1rem;
    line-height: 2rem;
    margin-bottom: 2rem;
    color: #ffffff;
}
.index_factory ul li {
    float: left;
    width:23.5%;
    margin-right: 2rem;
}
.index_factory ul li img {
    width:100%;
    aspect-ratio: 144 / 108;
}


@media  screen and (max-width: 1000px){
    .index_factory .title {
        width: 100%;
    }
    .index_factory ul li {
        float: left;
        width:48%;
        margin-right: 2rem;
    }
}







.index_news{position: relative;width:100%;z-index: 9;background: #fff;padding: 2rem 0;overflow-x: hidden;}

.index_news .title { text-align: center;}
.index_news .title h3{
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}
.index_news .title .desc {
    font-size: 1rem;
    line-height: 2rem;
    margin-bottom: 2rem;
}

@media  screen and (min-width: 768px){
    .index_news .box {display: flex;margin-top: 30px;}
    .index_news .news_item{width:25.25%;margin-right:1%;border-right:1px solid #e1e1e1;padding-right: 1%;}
    .index_news .news_item:last-child {
        margin-right: 0;
        padding-right: 0;
        border:0;
        width:24.25%;
    }
    .index_news .news_item .img{width: 100%;overflow: hidden;transition: all .3s;position:relative;}
    .index_news .news_item .img img{width: 100%;transition: all .3s;}
    .index_news .news_item .wz{position: relative;padding:1.25rem 0;}
    .index_news .news_item .wz h3{font-size: 1.2rem;line-height: 2.4rem;
        overflow: hidden; color: #000;margin-bottom: 1.25rem;transition: all .3s;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;

    }
    .index_news .news_item .wz .time{font-size: 1rem;color: #595353;margin-bottom: 1rem;}
    .index_news .news_item .wz p{font-size: 0.9rem;line-height: 1.8rem;height:3.6rem; overflow: hidden;color: #595353;margin-bottom: 1rem;transition: all .3s;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;}


    .index_news .news_item:hover .wz h3{color: var(--comcolor);}
    .index_news .news_item:hover .wz .time,.index_news .news_item:hover .wz p{color:var(--comcolor);}
}

@media  screen and (max-width: 768px){
    .index_news .box {margin-top: 2rem;}
    .index_news .news_item {margin-bottom: 0.5rem;padding-bottom: 0.25rem;border-bottom:1px solid #e1e1e1;}
    .index_news .news_item a{display: flex;}
    .index_news .news_item .img{width: 45%;overflow: hidden;transition: all .3s;position:relative;padding-right: 2%;}
    .index_news .news_item .img img{width: 100%;transition: all .3s;}
    .index_news .news_item .wz{width: 55%;position: relative;}
    .index_news .news_item .wz h3{font-size: 1rem;
        overflow: hidden; color: #2f2f2f;margin-bottom: 0.3rem;transition: all .3s;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }
    .index_news .news_item .wz .time{font-size: 0.9rem;color: #595353;margin-bottom: 0.5rem;}
    .index_news .news_item .wz p{font-size: 0.8rem;line-height: 1.6rem;height:3.2rem; overflow: hidden;color: #595353;margin-bottom: 0.3rem;transition: all .3s;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;}
}