.page-index .w-1920{width:1920px}.page-index .main img{display:block}.page-index .hero-test-btn{position:absolute;left:326px;top:413px;width:445px;height:68px;background:transparent;cursor:pointer}.page-index .back-top-banner{position:absolute;left:391px;top:353px;width:368px;height:58px;padding:0;border:0;background:transparent;cursor:pointer}.page-index .back-top-banner-second{top:447px;height:62px}.page-index .back-top-banner-third{top:775px;height:60px}