body{background-color:#fff}.promotion_banner{background-size:100% 600px;background-repeat:no-repeat;text-align:center;color:#fff;padding-bottom:50px;height:auto;display:flex;flex-direction:column;align-items:center;justify-content:center}.promotion_banner h1{font-size:64px;line-height:72px;color:#fff;padding:48px 0 16px}.promotion_banner p{font-size:28px;line-height:36px;color:#fff;margin:0 auto 65px;max-width:900px}@media(max-width:1110px){.promotion_banner h1{font-size:calc(1.3875rem + 1.65vw);padding:15px 0 0px}.promotion_banner p{font-size:16px;line-height:20px;max-width:100%;padding:0 15px;margin:0 auto 0px}.promotion_banner{background-size:cover;height:550px}.banner_video{width:100%;padding-right:15px;padding-left:15px;margin:0px auto 48px;padding:0px 0 0;text-align:center}}.banner_video{max-width:1000px;margin:0 auto;padding:80px 0 0;width:100%}