.swiper .swiper-slide{background-position:50%;background-size:100% auto;background-repeat:no-repeat}.index-title{font-size:28px;position:relative;padding-bottom:50px;margin-top:64px;clear:both}.index-title:after{content:"";width:52px;height:2px;background:#aaa;position:absolute;bottom:30px}.important-work{overflow:hidden}.important-work dl{border:1px solid #ebebeb;width:246px;float:left;margin-right:41px}.important-work dd{text-align:center;line-height:50px;color:#353535;font-size:16px}.important-work dt img{width:100%;height:346px}.promotional-video{width:1130px;margin:0 auto;flex-wrap:wrap}.promotional-video dl{width:565px}.promotional-video dl dt iframe{width:565px;height:318px}.promotional-video dl dd{line-height:50px;color:#000;font-size:20px}.brand-cooperation{margin:0 auto;margin-bottom:70px}.brand-cooperation dl{width:302px}.brand-cooperation dd{width:302px;text-align:center;line-height:50px;color:#353535;font-size:16px}.brand-cooperation dt img{width:100%;height:251px}@media screen and (max-width:500px){.important-work{height:232px;overflow:hidden}.important-work>div{width:1573px}.important-work dl{border:1px solid #ebebeb;width:120px;float:left;margin-right:11px}.important-work dd{text-align:center;line-height:50px;color:#353535;font-size:16px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.important-work dt img{width:100%;height:180px}.promotional-video{padding:0;margin:0 auto;flex-wrap:wrap}.promotional-video dl{width:100%;margin-bottom:20px}.promotional-video dl dt video{width:100%;height:160px}.promotional-video dl dd{line-height:50px;color:#000;font-size:20px}.brand-cooperation{flex-wrap:wrap}.brand-cooperation dl{margin-bottom:20px;width:100%}.brand-cooperation dd{text-align:center;line-height:50px;color:#353535;font-size:16px}.brand-cooperation dt img{width:100%;height:180px}}@media screen and (min-width:501px){.swiper-button-prev,.swiper-container-rtl .swiper-button-next{left:15%}.swiper-button-next,.swiper-container-rtl .swiper-button-prev{right:15%}}