* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}
a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video {
	outline: 0;
	border: 0;
	vertical-align: baseline;
	font-family:Microsoft YaHei,PingFang SC, Verdana, Helvetica Neue, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;
	font-size: 100%;
	word-wrap: break-word; font-weight:normal;
}


li, ol, ul {
	list-style: none
}
blockquote, q {
	quotes: none
}
.banner {
	width: 100%;
	height: 700px;
	overflow: hidden;
	position: relative
}
.banner img{width: 100%;	}
.banner>ul {
	display: none;
	position: absolute;
	top: 0;
	left: 0
}
.banner>ul>li {
	float: left;
	overflow:hidden;
}
.banner>ul>li>a {
	display: block;
	font-size: 200px;
	text-align: center;
	
	font-weight: 700;
}
.left-btn, .right-btn {
	width:54px;
	height: 54px;
	position: absolute;
	top: 45%;
	right: 30px;
	background: url(../images/right.png);
	cursor: pointer
}
.left-btn {
	left: 30px;
	background: url(../images/left.png)
}
.img-btn-list {
	width: 100%;
	position: absolute;
	bottom: 20px;
	left: 0;
	text-align: center
}
.img-btn-list>span {
	display: inline-block;
	width: 20px;
	height: 20px;
	margin: 0 6px;
	cursor: pointer;
	border:1px solid #fff;
}
.img-btn-list>span.current {
	background:url(../images/ban_nav.png) no-repeat;border:none;
	width: 20px;
	height: 20px;	
}
@media screen and (min-width:1900px) and (max-width:1920px){
.banner {
	height: 1000px;}
.img-btn-list {
	bottom: 30px;		
	}
}