.banner{background:#2d241f url(image/page/tasintro/pc/tas-intro-banner-pc.jpg) center no-repeat;height:450px}.self{cursor:pointer}.btn{padding:60px;font-size:16px;text-align:center;line-height:40px}.btn span{cursor:pointer;padding:60px;display:inline-block;vertical-align:top;padding:0 44px;border:1px solid #3c4aa5;border-radius:24px;-webkit-transition:all .3s;transition:all .3s;background:#3c4aa5;color:#fff}