.banner_part{margin-top:0;height:100vh;width:100%;position:relative;margin-bottom:10px}.banner_part .banner_item,.banner_part .swiper-container{height:100%}.banner_part .banner_item .swiper_link,.banner_part .swiper-container .swiper_link{display:block;width:100%;height:100%}.banner_part .banner_item .banner_image,.banner_part .swiper-container .banner_image{width:100%;height:100%;background-size:cover;background-position:50%}.banner_part .banner_item .banner_video,.banner_part .swiper-container .banner_video{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;pointer-events:none}.banner_part .banner_item .banner_btn,.banner_part .swiper-container .banner_btn{position:absolute;top:50%;margin-top:-28px;z-index:10;width:56px;height:56px;border-radius:50%;background-color:rgba(0,0,0,.1);text-align:center;line-height:56px;color:#fff;font-size:20px;-webkit-transition:background .3s ease;transition:background .3s ease;cursor:pointer}.banner_part .banner_item .banner_btn .iconfont,.banner_part .swiper-container .banner_btn .iconfont{position:relative;z-index:10}.banner_part .banner_item .banner_btn.prev_btn,.banner_part .swiper-container .banner_btn.prev_btn{left:100px}.banner_part .banner_item .banner_btn.next_btn,.banner_part .swiper-container .banner_btn.next_btn{right:100px}.banner_part .banner_item .banner_btn:hover,.banner_part .swiper-container .banner_btn:hover{background-color:#00b9d7}.banner_part .banner_item .banner_pagination,.banner_part .swiper-container .banner_pagination{position:absolute;left:0;bottom:44px;z-index:10}.banner_part .banner_item .banner_pagination .swiper-pagination-bullet,.banner_part .swiper-container .banner_pagination .swiper-pagination-bullet{margin:0 10px 0 0;background-color:hsla(0,0%,100%,.8);-webkit-transition:all .3s ease;transition:all .3s ease;border-radius:8px}.banner_part .banner_item .banner_pagination .swiper-pagination-bullet.swiper-pagination-bullet-active,.banner_part .swiper-container .banner_pagination .swiper-pagination-bullet.swiper-pagination-bullet-active{width:20px;background-color:#fff}.banner_part .banner_item .banner_pagination .swiper-pagination-bullet:last-child,.banner_part .swiper-container .banner_pagination .swiper-pagination-bullet:last-child{margin-right:0}