.cert-box{height:548px;background:url(./bg-ys.png) center top no-repeat;background-size:100% 548px}#mySwiper{width:1200px;margin:0 auto;overflow:hidden}#mySwiper .swiper-slide{width:170px}#mySwiper .swiper-slide img{width:170px;height:250px}.bg-about-banner{background-image:url(./about-banner.png);background-position:center top;background-repeat:no-repeat;background-color:#193f80;background-size:auto 326px;height:326px}.about-banner-text{width:762px}.bg-res0102{background:url(./res0102.png) center top no-repeat #F8F8F8;background-size:auto 362px;height:362px}.bg-res0103{background:url(./res0103.png) center top no-repeat #458FFE;background-size:auto 119px;height:119px}