.sec1{position:relative}.sec1 .item_title{display:inline-block;width:80%;position:absolute;left:0;right:0;margin:20% auto 0 auto;z-index:2;text-align:center}.sec1 .item_title sapn{display:block;letter-spacing:1px;width:100%}.sec1 .item_banner{position:relative;display:inline-block;width:100%;height:800px}.sec1 .item_banner span{display:inline-block;width:100%;height:100%;position:relative;background-size:cover;background-position:center bottom;background-repeat:no-repeat}.sec2{position:relative;z-index:2;padding:30px 0 50px 0}@media screen and (min-width:992px){.sec1 .item_banner span{display:inline-block;width:100%;height:100%;position:relative;background-size:100% auto;background-position:center bottom;background-attachment:fixed;overflow:hidden;background-repeat:no-repeat}}@media screen and (min-width:600px) and (max-width:767px){}@media screen and (max-width:991px){.sec1 .item_banner{height:500px}.sec1 .item_banner span{background-position:center top}.sec1 .item_title{margin:220px auto 0 auto}}@media screen and (max-width:767px){.sec1 .item_banner{height:80vh}.sec1 .item_banner span{background-position:center top}.sec1 .item_title{margin:70% auto 0 auto}}@media screen and (max-width:330px){}