.banner{padding:40px 0 80px;text-align:center;background:#f8f9fa}.banner h1{font-size:64px;line-height:88px;margin-bottom:24px}.banner p.desc{max-width:840px;margin:0 auto 60px}@media (max-width:767px){.banner h1{font-size:40px;line-height:46px}.banner p.desc{margin:0 auto 30px}.banner .btn-bl{width:200px;min-width:200px}}