@media only screen and (max-width :1200px){.and{width:300px;height:380px}}@media only screen and (max-width :992px){.and{width:250px;height:320px}}@media only screen and (max-width :768px){.title{font-size:80px;line-height:100px}.desc{font-size:25px}.and{display:none}}@media only screen and (max-width :480px){.logotype{position:absolute;left:50%;bottom:10%;width:120px;margin-left:-60px}.logotype img{max-width:120px}}@media only screen and (max-width :320px){.title{font-size:60px;line-height:80px}.desc{font-size:20px}}