.about-l img{height:100%;object-fit:contain}
section.product .product-img{position:relative;padding-bottom:100%;}
section.product .product-img img{position:absolute;top:0;left:0;height:100%;object-fit:contain;width:100%;}
.about-l img{max-height:400px;}
.home-about{margin:50px 0}
.home-about .container{display:flex;justify-content:space-between;flex-wrap:wrap;align-items:center;}
.home-about-lef{width:48%;}
.home-about-rig{width:48%;}
.home-about-name{font-weight:bold;font-size:25px;color:var(--fontcolor);}
.home-about-lef p{margin-top:10px;}
@media (max-width:1024px){.home-about-lef{width:100%;}
.home-about-rig{width:100%;margin-top:20px}}
@media (max-width:768px){.home-about{margin:30px 0}
.home-about-name{font-size:22px}}
.home-certi {padding:50px 0px;background:url(https://css02.v15cdn.com/m418/images/certi_bg.webp) var(--color) left top repeat;margin-bottom:50px}
.home-certi .home-tit{color:#fff}
.certi-swiper {padding:30px 0 40px}
.certi-swiper .swiper-slide {position:relative;transition:transform .2s ease;display:block;}
.certi-swiper .swiper-slide img {max-width:100%}
.certi-swiper .certi-item:after {content:"";display:block;padding-top:140%}
.certi-swiper .img-wrap {position:absolute;top:0;left:0;width:100%;height:100%}
.certi-swiper .certi-name {padding:10px 0;font-size:20px;text-align:center;color:#fff}
.certi-swiper .certi-dot {width:10px;height:10px;background:#fff;position:absolute;border-radius:50%;left:50%;margin-left:-5px}
@media (min-width:1025px){.certi-swiper .swiper-slide-next+.swiper-slide {transform:translate3d(0,0,0) scale(1.1)}
.certi-swiper .swiper-slide-next+.swiper-slide .certi-dot {display:none}
.certi-swiper .swiper-slide-next+.swiper-slide .certi-name {background:#fff;color:var(--color);position:relative}
.certi-swiper .swiper-slide-next+.swiper-slide .certi-name:after {content:"";position:absolute;bottom:-5px;display:block;height:4px;width:100%;background:#043c81;left:0}}
.certi-swiper:after {content:"";display:block;position:absolute;bottom:35px;width:100%;height:1px;background:#fff;left:0}
@media (max-width:1024px){.certi-swiper .swiper-slide-next{transform:translate3d(0,0,0) scale(1.1)}
.certi-swiper .swiper-slide-next .certi-dot {display:none}
.certi-swiper .swiper-slide-next .certi-name {background:#fff;color:var(--color);position:relative}
.certi-swiper .swiper-slide-next .certi-name:after {content:"";position:absolute;bottom:-5px;display:block;height:4px;width:100%;background:#043c81;left:0}}
@media (max-width:768px){.home-certi{padding:50px 0}
.certi-swiper .certi-name{font-size:17px}
.home-certi .home-tit{margin-bottom:0}}
@media (max-width:540px){.home-certi{padding:20px 0}
.certi-swiper .certi-name{font-size:12px;padding:5px 0;line-height:1.4}}