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.text-box>.title{display:block;font-size:4.6rem;font-weight:700;height:1em;line-height:1em;margin-bottom:2rem;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.index-4 .idnex-4_columns ._content_ .list>li article .text-box .index-4-des{display:-webkit-box;height:7.2em;margin-bottom:2rem;overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:4;-webkit-box-orient:vertical}.index-4 .index-4_product{padding:var(--block-gap,6rem) 0;--item:4;--gap:3rem;--itemWidth:calc(100%/var(--item) - var(--gap)*(var(--item) - 1)/var(--item))}.index-4 .index-4_product a{color:inherit}.index-4 .index-4_product ._content_ .list{align-items:flex-start;display:flex;flex-wrap:wrap;justify-content:flex-start}.index-4 .index-4_product ._content_ .list>li{margin-bottom:var(--mini-gap,var(--gap));margin-right:var(--gap);width:var(--itemWidth)}@media screen and (min-width:1200px){.index-4 .index-4_product ._content_ .list>li:nth-last-child(-n+4){margin-bottom:unset}.index-4 .index-4_product ._content_ .list>li:nth-child(4n){margin-right:unset}}.index-4 .index-4_product ._content_ .list>li article:hover .text-box>.title{color:var(--pointColor,var(--themeColor))}.index-4 .index-4_product ._content_ .list>li article:hover .img-box .img{transform:scale(1.05)}.index-4 .index-4_product ._content_ .list>li article:hover .img-box:after{opacity:1}.index-4 .index-4_product ._content_ .list>li article .img-box{height:26rem;margin-bottom:2rem;width:100%}.index-4 .index-4_product ._content_ .list>li article .img-box:after{background-color:rgba(0,0,0,.25);content:"";inset:0;opacity:0;position:absolute;transition:.2s ease-out;z-index:9}.index-4 .index-4_product ._content_ .list>li article .text-box{background-color:var(--bgthemeColor,#f4f4f4);padding:15px}.index-4 .index-4_product ._content_ .list>li article .text-box .title{display:block;font-size:2.4rem;margin-bottom:10px;max-width:100%;overflow:hidden;text-overflow:ellipsis;transition:color .15s ease;white-space:nowrap}.index-4 .index-4_product ._content_ .list>li article .text-box .index-4-des{display:-webkit-box;overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:3;-webkit-box-orient:vertical;height:5.4em;line-height:1.8em}.index-4 .index-4_about{background-color:var(--bgthemeColor,#ededed);padding:var(--block-gap,8rem) 0}.index-4 .index-4_about .about_main{align-items:flex-start;display:flex;justify-content:flex-start;margin-bottom:3rem}.index-4 .index-4_about .about_main>div{flex:1}.index-4 .index-4_about .about_main .about_main-left{padding-right:3rem}.index-4 .index-4_about .about_main .about_main-left .index-4-des,.index-4 .index-4_about .about_main .about_main-left header{margin-bottom:2rem}.index-4 .index-4_about .about_main .about_main-right .img-box{height:40rem;width:100%}.index-4 .index-4_about .thumbs .img-box{height:18rem}.index-4 .index-4_advantage{padding:var(--block-gap,10rem) 0}.index-4 .index-4_advantage ._content_{align-items:flex-start;column-gap:var(--mini-gap,6rem);-webkit-column-gap:var(--mini-gap,6rem);-moz-column-gap:var(--mini-gap,6rem);-o-column-gap:var(--mini-gap,6rem);display:flex;justify-content:flex-start}.index-4 .index-4_advantage ._content_ .advantage-left{flex-shrink:0;width:30%}.index-4 .index-4_advantage ._content_ .advantage-left header{margin-bottom:var(--block-gap,6.5rem)}.index-4 .index-4_advantage ._content_ .advantage-left .img-box{height:28rem}.index-4 .index-4_advantage ._content_ .advantage-left .img-box:hover:after{transform:translate(-50%,-50%) scale(.9)}.index-4 .index-4_advantage ._content_ .advantage-left .img-box:hover .img{transform:scale(1.15)}.index-4 .index-4_advantage ._content_ .advantage-left .img-box:after{color:#333;font-family:YG-icon;font-size:4rem;left:50%;pointer-events:none;position:absolute;top:50%;transform:translate(-50%,-50%);transition:.25s ease-in;will-change:transform}.index-4 .index-4_advantage ._content_ .advantage-right{flex-grow:1;max-width:100%;min-width:0}.index-4 .index-4_advantage ._content_ .advantage-right .list{--item:2;--gap:var(--mini-gap,3rem);--itemWidth:calc(100%/var(--item) - var(--gap)*(var(--item) - 1)/var(--item));column-gap:var(--gap);-webkit-column-gap:var(--gap);-moz-column-gap:var(--gap);-o-column-gap:var(--gap);display:flex;flex-wrap:wrap;row-gap:var(--gap)}.index-4 .index-4_advantage ._content_ .advantage-right .list>li{width:var(--itemWidth)}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article{align-items:flex-start;display:flex;flex-direction:row-reverse;justify-content:flex-start}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article:hover .i,.index-4 .index-4_advantage ._content_ .advantage-right .list>li article:hover .img-box{background-color:#fff;box-shadow:0 .4rem 1.6rem 0 rgba(51,51,51,.1)}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box{flex-grow:1;max-width:100%;min-width:0}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .title{font-size:var(--fz-20,18px);font-weight:600;line-height:1.3em;transition:all .5s}@media screen and (min-width:1025px){.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .title{margin-bottom:1.6rem}}@media screen and (min-width:621px)and (max-width:1024px){.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .title{margin-bottom:1.2rem}}@media screen and (max-width:620px){.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .title{margin-bottom:1rem}}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .i,.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .img-box{align-items:center;display:flex;flex-shrink:0;font-size:4rem;height:6.5rem;justify-content:center;margin-right:var(--mini-gap,1.5rem);padding:.75rem;transition:.25s ease-out;width:6.5rem;will-change:background-color,box-shadow}.index-4 .index-4_oem{background-color:var(--bgthemeColor,#d6d6d6);padding:var(--block-gap,10rem);--item:2;--gap:3rem;--itemWidth:calc(100%/var(--item) - var(--gap)*(var(--item) - 1)/var(--item))}.index-4 .index-4_oem ._content_>header{margin-bottom:var(--mini-gap,5rem);text-align:center}.index-4 .index-4_oem ._content_ .list{align-items:flex-start;display:flex;flex-wrap:wrap;justify-content:flex-start}.index-4 .index-4_oem ._content_ .list>li{margin-bottom:var(--gap);margin-right:var(--gap);width:var(--itemWidth)}@media screen and (min-width:620px){.index-4 .index-4_oem ._content_ .list>li:nth-last-child(-n+2){margin-bottom:unset}.index-4 .index-4_oem ._content_ .list>li:nth-child(2n){margin-right:unset}}.index-4 .index-4_oem ._content_ .list>li article{background-color:#fff;padding:6rem}.index-4 .index-4_oem ._content_ .list>li article header>h4{color:#000;display:block;font-size:2.2rem;font-weight:600;margin-bottom:10px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.index-4 .index-4_oem ._content_ .list>li article .index-4-des{display:-webkit-box;height:7.2em;margin-bottom:var(--mini-gap,2rem);overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:4;-webkit-box-orient:vertical}@media screen and (max-width:1024px){.index-4 .index-4_banner .swiper-box .text-box{width:85%}.index-4 .index-4_banner .swiper-box .img-box{height:46rem}.index-4 .idnex-4_columns ._content_ .list>li article .text-box{max-width:unset;padding:3rem;width:100%}.index-4 .idnex-4_columns ._content_ .list>li article .text-box>.title{font-size:3rem}.index-4 .index-4_product{padding-left:15px;padding-right:15px;--item:2}.index-4 .index-4_product ._content_ .list>li article .img-box{height:100%;height:65%;padding-top:65%;position:relative;width:100%}.index-4 .index-4_product ._content_ .list>li article .img-box .img{height:100%;left:0;object-fit:cover;position:absolute;top:0;width:100%}.index-4 .index-4_product ._content_ .list>li:nth-last-child(-n+2){margin-bottom:unset}.index-4 .index-4_product ._content_ .list>li:nth-child(2n){margin-right:unset}.index-4 .index-4_about{padding-left:15px;padding-right:15px}.index-4 .index-4_about .about_main .about_main-right .img-box{height:36rem}.index-4 .index-4_about .thumbs .img-box{height:14rem}.index-4 .index-4_advantage{padding-left:15px;padding-right:15px}.index-4 .index-4_advantage ._content_ .advantage-left{width:40%}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .index-4-des{height:4.2em;line-height:1.4em}.index-4 .index-4_oem{padding-left:15px;padding-right:15px}.index-4 .index-4_oem ._content_ .list>li article{padding:3rem}}@media screen and (max-width:620px){.index-4 .index-4-title{font-size:2.8rem}.index-4 .index-4-des{font-size:16px}.index-4 .custom-swiper-button{display:none}.index-4 .index-4_banner .swiper-box .img-box{height:20rem}.index-4 .index-4_banner .swiper-box .text-box>h2{font-size:2rem}.index-4 .idnex-4_columns{padding-left:15px;padding-right:15px;--item:1;--gap:0%}.index-4 .idnex-4_columns ._content_ .list>li{margin-bottom:var(--mini-gap)!important}.index-4 .idnex-4_columns ._content_ .list>li:last-child{margin-bottom:unset!important}.index-4 .index-4_about .about_main{flex-direction:column}.index-4 .index-4_about .about_main .about_main-left{margin-bottom:var(--block-gap);padding-right:unset}.index-4 .index-4_about .about_main .about_main-left .index-4-des,.index-4 .index-4_about .about_main .about_main-left header{margin-bottom:var(--mini-gap)}.index-4 .index-4_about .about_main .about_main-right .img-box{height:auto}.index-4 .index-4_about .about_main{margin-bottom:var(--mini-gap)}.index-4 .index-4_advantage ._content_{flex-direction:column}.index-4 .index-4_advantage .advantage-right .list{--item:1;--gap:0%}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .i,.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .img-box{font-size:3.2rem;height:5rem;width:5rem}.index-4 .index-4_advantage ._content_ .advantage-right .list>li article .text-box .title{font-size:var(--fz-18,16px)}.index-4 .index-4_advantage ._content_ .advantage-left{margin-bottom:var(--mini-gap);width:100%}.index-4 .index-4_advantage ._content_ .advantage-left .img-box{height:auto}.index-4 .index-4_oem{--item:1;--gap:0%}.index-4 .index-4_oem ._content_ .list>li{margin-bottom:var(--mini-gap)!important}.index-4 .index-4_oem ._content_ .list>li:last-child{margin-bottom:unset!important}.index-4 .index-4_oem ._content_ .list>li article{padding:var(--mini-gap)}}