body,html {height:auto;overflow-y:auto;}
body{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;}
.body{position:relative;background:#fff;box-sizing:border-box;}
.html_home{position:absolute;top:0;left:0;right:0;bottom:0;overflow:hidden;}
.html_home body{height:100%;overflow:hidden;padding:0;}
.body_home{height:100%;overflow:hidden;}
.body_b{position:fixed;left:0%;top:100%;bottom:0;right:0;background:#fff;overflow:hidden;transition:top 0.7s cubic-bezier(0.5,0,0.2,1) 0s;z-index:1;overflow:auto;outline:none;}
.body_b.dis *{background-image:none;}
.body_b *{outline:none;}
.body_b.showdiv{top:0;}

@media screen and (max-width:1100px) {
	/***手机滚动大图截断高度***/
	.html_home,.html_home body{height:auto;overflow:auto;}
	.body_home{height:auto;overflow:visible;}
	.body_b{width:auto;height:auto;position:static;opacity:1;transform:none;overflow:hidden;}
}