.banner{width:100%;height:350px;background-image:url("../img/38.png");background-repeat:no-repeat;background-position:center;background-size:cover;min-width:1200px}.download_detail{width:1200px;margin:0 auto;text-align:center}.download_detail .title{color:#707070;height:62px;line-height:62px;border-bottom:1px solid #eaeaea}.download_detail .info{height:14px;line-height:14px;color:#969696;font-size:14px;margin-top:20px;margin-bottom:50px}.download_detail .video_wrapper{position:relative;width:650px;height:100%;left:50%;transform:translateX(-50%);cursor:pointer}.download_detail .video_wrapper .video_shadow{width:650px;height:100%;position:absolute;top:0;background-color:rgba(0,0,0,0.4);background-image:url("../img/40.png");background-position:center;background-size:92px;background-repeat:no-repeat}.download_detail .top_font{font-size:22px;color:#51b9d2;text-align:left;margin-top:42px}.download_detail .font_1{margin-top:10px}.download_detail .bottom_font{font-size:16px;color:#858585;line-height:32px;text-align:justify;margin-top:14px}.download_detail a.download{display:inline-block;border-radius:25px;width:160px;height:50px;background-color:#51b8d1;color:#fff;line-height:50px;font-size:24px;margin-top:92px;margin-bottom:70px}@media screen and (max-width: 1200px){.download_detail{width:100%}.download_detail .info{margin-bottom:20px}.download_detail .top_font{padding:0 15px}.download_detail .title{padding:10px 15px;height:auto;line-height:28px}.download_detail .video_wrapper{width:100%}.download_detail .video_wrapper video{width:100% !important}.download_detail .video_wrapper .video_shadow{width:100%}.download_detail .download{margin-top:20px !important;margin-bottom:20px !important}}