* {
	padding:0;
	margin:0
}
.banner {
	width:100%;
	min-width: 1200px;
	height:400px;
	font-size:0;
	overflow:hidden;
	position:relative;
	margin-top: 70px;
}
.banner_img {
	width:100%;
	height:400px;
	position:absolute;
	left:0;
	top:0
}
.banner_img li {
	width:100%;
	height:400px;
	display:inline-block;
	background-position:center;
	background-repeat:no-repeat;
	float:left;
	list-style:none;
}
.banner_img li h1{font-size: 44px; line-height: 50px;font-weight: lighter;}
.banner_img li .banner-content{font-weight: lighter;}
.banner_img li .banner-content p{padding: 26px 0 40px;font-size: 22px;opacity: .8;}
.banner_img li .banner-content .a-btn{font-size: 16px;padding: 9px 42px;border-radius: 5px;border: 1px solid #fff;color:#FFFFFF;font-weight: lighter;cursor: pointer;transition: all .2s ease-in-out;}
.banner_img li .banner-content .a-btn:hover{background: rgba(255, 255, 255, .2);color:#ffffff;}
.banner_list {
	height:20px;
	top:380px;
	position:relative;
	margin:0 auto;
	z-index:1;
}
.banner_list span {
	box - sizing: content - box;
    opacity: .8;
    outline: 0;
    border: 0;
    padding: 8px 8px;
    background: rgba(255, 255, 255, .2);
    margin: 2px 5px;
    overflow: hidden;
    transition: all1s;
    cursor: pointer;
	border-radius:10px
}
.banner_list .spcss {
	 background: rgba(255, 255, 255, .8);
}