.pagehistory .history-item .history-img{border-top-color:transparent;}
.pagehistory .history-item .history-img .img{border-right-color:transparent;}
.pagehistory .history-item:nth-child(even) .history-img .img{border-left-color:transparent}
.pagehistory .pagehistory-swiper .axle-wire {background:#999}
@media (min-width:769px){.pagehistory .swiper{height:1074px}}  
.about-history-video{display: flex; align-items: center;justify-content: center;}