.swiperFirstPage{margin:100px 0;height:300px}.swiperFirstPage img{width:100%;height:100%}.swiperBg{position:relative}.swiperBg .swiperFont{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-weight:700;color:#fff}.carousel-item{width:100%;height:auto!important}.Usage_scenarios .useage_title{text-align:center;color:#007acc;margin-top:30px;margin-bottom:50px}.Usage_scenarios .Usage_Main{margin-bottom:20px}.Usage_scenarios .Usage_Main .useage{text-align:center;margin-bottom:20px}.Usage_scenarios .Usage_Main .useage img{width:290px;height:160px}.Usage_scenarios .Usage_Main .useage .useage_txt{font-weight:700}.titleIcon{width:45px;height:45px;display:inline-block}@media screen and (max-width:999px){.carousel-item{margin-top:20px;height:150px!important}.carousel-item img{height:100%!important;width:100%!important}.swiperFirstPage{margin:40px 0!important;height:30vw!important}.swiperFirstPage .swiperFont{font-size:12px!important}}