.cert1-swiper .swiper-slide{overflow: hidden;}
.cert1-swiper .swiper-slide img{width:100%;transition: all .3s ease;}
.cert1-swiper .swiper-slide:hover img{transform: scale(1.05);}
.cert2-swiper .swiper-slide{overflow: hidden;}
.cert2-swiper .swiper-slide img{width:100%;transition: all .3s ease;}
.cert2-swiper .swiper-slide:hover img{transform: scale(1.05);}