.section_title {
    position: relative;
    text-align: center;
}
.section_title .cn {
    font-weight: bold;
    font-size: 3rem;
    color: var(--comcolor);
}
.section_title .en{
    font-size: 5rem;
    font-weight: bold;
    color: #00a0e92e;
    text-transform: uppercase;
    white-space: nowrap;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -2rem;
    width: 100%;
}
.section_title .intro {
    font-size: 1rem;
    line-height: 2rem;
}


.view_more{display: inline-block;padding:0.6rem 1.6rem;background: var(--comcolor);color:#ffffff;}
.view_more:hover {background: var(--subcolor);}


@media  screen and (max-width: 1000px){
    .section_title {
        position: relative;
        display: block;
    }
    .section_title .cn {
        font-size: 2rem;
    }
    .section_title .en{
        font-size: 3rem;
        top: -1rem;
    }
}


.index_banner { position: relative;width:100%;}
.index_banner .swiper-slide img {
    width:100%;
    height:100vh;
}
.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 .ban_txt {
    position: absolute;
    z-index: 99;
    color: #FFFFFF;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.index_banner .ban_txt .txt p{
    font-size: 1.8rem;
    margin-bottom: 30px;
}
.index_banner .ban_txt .txt p:first-child{
    font-size: 3.1rem;
    font-weight: 600;

}

.index_banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
    width:3rem;
    border-radius: 0.5rem;
}


.index_banner .mouse {
    position: absolute;
    left:5%;
    bottom:10%;
    z-index: 999;
    display: flex;
    align-items: center;
    color:#fff;
}
.index_banner .mouse .mouseOf {
    height: 1.75rem;
    position: relative;
    width: 1.75rem;
    display: block;
}
.index_banner .mouse .mouseOf svg {
    width:100%;
    height:100%;
    display: block;
}
.index_banner .mouse .mouseOf:after {
    -webkit-animation: scroll-down 1.5s ease-in-out infinite;
    animation: scroll-down 1.5s ease-in-out infinite;
    background-color: #fff;
    border-radius: 2px;
    content: "";
    height: 7px;
    left: 50%;
    position: absolute;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 2px
}
@keyframes scroll-down {
    0% {
        opacity: 0;
        top: 2px
    }
    30%,70% {
        opacity: 1
    }
    to {
        opacity: 0;
        top: calc(100% - 9px)
    }
}




@media  screen and (max-width: 1000px){
    .index_banner .swiper-slide img {
        height:auto;
    }
    .swiper-button-next:after,.swiper-button-prev:after {
        font-size: 2rem;
    }
}






.index_products {
    width: 100%;
    padding:3rem 0;
}

.index_products .category{
    margin-top: 2rem;
}

.index_products .category li {
    float: left;
    margin-right: 2%;
    margin-bottom: 1rem;
}
.index_products .category li a{
    height: 3rem;
    text-align: center;
    font-size: 1rem;
    border-radius: 0.5rem;
    background: #f1f1f1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10%;
}
.index_products .category li.act a{
    background: var(--comcolor);
    color:#fff;
}

.productList { margin-top: 2rem;}
.productList .products:not(:first-child) { display: none;}
.productList .products .item {
    float: left;
    border: 1px solid #eee;
    padding:0.8rem;
    margin-bottom: 1rem;
}
.productList .products .item .title { height:3rem; display: flex; justify-content:center;align-items: center;}

.productList .products .item .img { position: relative;}
.productList .products .item img { display: block;}
.productList .products .item .overlay {
    display: none;
    width: 100%;
    height:100%;
    position: absolute;
    left:0;
    top:0;
    background: #00000050;
    align-items: center;
    justify-content: center;
    color:#fff;
}

.productList .products .item:hover {border: 1px solid var(--comcolor); }
.productList .products .item:hover .title{ color: var(--comcolor); }
.productList .products .item:hover .overlay{ display: flex; }

@media  screen and (min-width: 1000px){
    .index_products .category li {
        width:17.5%;
        margin-right: 3%;
    }
    .index_products .category li:nth-child(5n) {
        margin-right: 0;
    }

    .productList .products .item {
        width: 32%;
        margin-right: 2%;
    }
    .productList .products .item:nth-child(3n) {
        margin-right: 0;
    }
}

@media  screen and (max-width: 1000px){

    .index_products .category li {
        width:32%;
        margin-right: 2%;
    }
    .index_products .category li:nth-child(3n) {
        margin-right: 0;
    }

    .index_products { padding:2rem 0;}
    .productList { margin-top: 1rem;}
    .productList .products .item {
        width: 49%;
        margin-right: 2%;
        padding:0.2rem;
    }
    .productList .products .item:nth-child(2n) {
        margin-right: 0;
    }
}






.index_about {
    width:100%;padding:5rem 0;position: relative;z-index: 1;background: url('../images/abbg.jpg') no-repeat center top;
}
.index_about .cont {
    background: #ffffff;
    box-shadow: 0 0 65px 0 rgba(0, 0, 0, 0.1);
    padding: 5rem 4rem;
}
.index_about .cont h3 {
    font-size: 2rem;
    color:var(--comcolor);
}
.index_about .cont .intro {
    padding:1rem 0;
    font-size: 1rem;
    line-height: 2rem;
}
.index_about .cont .intro > :nth-child(n+6) {
    display: none;
}


.index_about .service {margin-top: 1rem;margin-bottom: 2rem;}
.index_about .service h4 {color:#1e1e1e;font-size: 1.5rem;}
.index_about .service li {
    padding: 0.3rem 0;
    color: #555;
    position: relative;
    padding-left: 2rem;
}
.index_about .service li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #e74c3c;
    font-weight: 700;
    font-size: 1.5rem;
}

@media  screen and (max-width: 765px){
    .index_about .cont {
        display: block;
        padding: 3rem 1rem;
    }
    .index_about .cont h3 { font-size: 1.5rem;}
}




.index_case { width:100%;padding:3rem 0 2rem;}
.index_case .cont {margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.index_case .cont .item { border-radius: 0.8rem;position: relative;overflow: hidden;}
.index_case .cont .item img {display: block;transition: 1s;}
.index_case .cont .item .wz {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1rem;
    color: white;
    text-align: center;
}
.index_case .cont .item:hover img { transform: scale(1.1);}
@media  screen and (max-width: 765px){
    .index_case { width:100%;padding:2rem 0;}
    .index_case .cont { grid-template-columns: repeat(2, 1fr);gap: 0.5rem; }
    .index_case .cont .item .wz {
        padding: 1rem 0.3rem;
    }
    .index_case h3 {font-size: 0.9rem;line-height: 1.5;}
}



.inside_banner {
    position: relative;
    width:100vw;
    overflow: hidden;
    background: url(../images/index_fixed.jpg) center center / cover no-repeat;
    background-attachment: fixed;
    padding:10rem 0;
    text-align: center;
}
.inside_banner:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 0;
    background-color: #000;
    opacity: .25
}

.inside_banner .box {
    position: relative;
    z-index: 1;
    color: #fff;
    text-align: center
}
.inside_banner .title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem
}
.inside_banner .desc{
    margin-top: 2.5rem;
}
.inside_banner .desc p{
    font-size: 2rem;
    line-height: 4rem;
}
.inside_banner .view_more {
    margin: 0 auto;
    margin-top: 2rem;
}

@media  screen and (max-width: 1000px){
    .inside_banner {
        padding:5rem 0;
    }
    .inside_banner .title {
        font-size: 1.8rem;
    }
    .inside_banner .desc {
        margin-top: 1.8rem;
    }
    .inside_banner .desc p{
        font-size: 1rem;
        line-height: 2rem;
    }
}





.index_news{position: relative;padding: 2rem 0;z-index: 9;}
.index_news .cont {margin-top: 2rem; }

.index_news .item {width: 100%;}
.index_news .item .img{width: 100%;overflow: hidden;transition: all .3s;position:relative;}
.index_news .item .img img{width: 100%;transition: all .3s;}
.index_news .item .wz{position: relative;padding:1.25rem 1rem;}
.index_news .item .wz h3{font-size: 1.2rem;line-height:1.5;color: #000;margin-bottom: 1.25rem;transition: all .3s;overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;}
.index_news .item .wz .time{font-size: 1rem;color: #595353;margin-bottom: 1rem;}
.index_news .item .wz .desc{font-size: 0.9rem;line-height: 1.8rem;height:3.6rem; overflow: hidden;color: #595353;transition: all .3s;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;}

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

@media  screen and (min-width: 765px){
    .index_news .item{width:32%;margin-right: 2%;float: left;box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);border-radius: 0.8rem;overflow: hidden;}
    .index_news .item:nth-child(3n) {margin-right: 0;}
}

@media  screen and (max-width: 765px){
    .index_news { padding:2rem 0; }
    .index_news .cont { margin-top: 1rem;}
    .index_news .item a {display: flex;align-items: center;justify-content: space-between;}
    .index_news .item .img{width: 50%;overflow: hidden;transition: all .3s;position:relative;padding:0.5rem;}
    .index_news .item .img img{width: 100%;transition: all .3s;}
    .index_news .item .wz{width: 48%;position: relative;}
    .index_news .item .wz h3{font-size: 1.1rem;margin-bottom: 0.5rem;}
    .index_news .item .wz .time{font-size: 1rem;color: #595353;margin-bottom: 0.5rem;}
    .index_news .item .wz .desc{font-size: 0.9rem;}
}