.body .topBanner{background-image:url(./home_banner.BiBs1UNb.png);background-repeat:no-repeat;background-size:auto;height:100vh;position:relative;width:100%}.body .topBanner .banner_img{display:block;height:100%;width:100%}.body .topBanner .center_text{color:#fff;font-size:3.64583rem;position:absolute;text-align:center;top:22.13542rem;width:100%}.body .topBanner .center_text .title{-webkit-box-sizing:border-box;box-sizing:border-box;display:-webkit-box;display:-ms-flexbox;display:flex;font-size:1.875rem;margin-top:2.60417rem;padding:0 36%;position:relative}.body .topBanner .center_text .title .left{border-color:transparent transparent #1b254a;border-style:none solid solid;border-width:0 3.90625rem 3.90625rem 0;height:3.4375rem;line-height:3.4375rem;width:15.625rem}.body .topBanner .center_text .title .right{border-color:#1890ff transparent transparent;border-style:solid;border-width:3.90625rem 0 0 3.90625rem;height:3.4375rem;margin-left:-3.90625rem;width:15.625rem}.body .topBanner .center_text .title .right span{display:block;position:absolute;top:.52083rem}.body .top_nav{height:3.75rem;left:0;position:absolute;top:0;width:100%}