html {
	overflow-y: scroll;
}
body, h1, h2, h3, h4, h5, h6, hr, p, dl, dt, dd, ul, ol, li, pre, form, button, input, textarea, table, th, td {
	margin: 0;
	padding: 0;
}
body, button, input, select, textarea {
	font: 12px/20px 'simsun',Arial,sans-serif;
}
input {
	outline: none;
}
button {
	cursor: pointer;
}
ul, ol {
	list-style: none;
}
img {
	border: 0;
	vertical-align: middle;
}
em, i {
	font-style: normal;
}
a {
	text-decoration: none;
	outline: none;
	color: #676767;
}
a:hover {
	text-decoration: underline;
	color: #ce0000;
}
.clear {
	clear: both;
	height: 0px;
	overflow: hidden;
}
/* clearfix */
.clearfix:after {
	content: '.';
	display: block;
	visibility: hidden;
	height: 0;
	font-size: 0;
	clear: both;
}
.clearfix {
	*zoom: 1;
}

/* css */
.main-img{
	background-attachment: fixed;
	background-repeat: no-repeat;
	-webkit-background-size: cover;
	background-size: cover;
}
.head-img{
	width: 100%;
	height: 100%;
	background: url(../images/1.jpg) no-repeat;
	-webkit-background-size: cover;
	background-size: cover;
}
/* nav */
.nav{
	width: 1000px;
	margin: 130px auto 0;
}
.nav li{
	display: inline;
	float: left;
	width: 115px;
	margin: 0 25px;
	cursor: pointer;
}
.nav li img{
	width: 115px;
	height: 115px;
}
.nav li p{
	margin-top: 5px;
	font: 14px/20px 'microsoft yahei';
	text-align: center;
}
/* 插图 */
.bg-img{
	width: 100%;
	height: 394px;
	margin-top: 45px;
	background-attachment: fixed;
	background-repeat: no-repeat;
	-webkit-background-size: cover;
	background-size: cover;
	overflow: hidden;
}
/* 插入图1 */
.img1{
	background-image: url(../images/figures/1.jpg);
}
.img2{
	background-image: url(../images/figures/2.jpg);
}
/* 标题 */
.title{
	width: 700px;
	margin: 160px auto 0;
	font: 30px/40px 'microsoft yahei',Arial,sans-serif;
	color: #fff;
	text-align: center;
}
/* 文字部分 */
.text-wrap{
	width: 700px;
	padding-top: 40px;
	margin: 0 auto;
	font: 18px/30px 'microsoft yahei', Arial,sans-serif;
	text-align: center;
	color: #444;
}
.text-wrap p{
	margin: 40px 0;
	text-align: left;
}
/* 焦点图 */
.focus{
	position: relative;
	margin-top: 40px;
	overflow: hidden;
}
.focus ul{
	position: absolute;
	left: 0;
	top: 0;
}
.focus ul li{
	float: left;
	text-align: center;
}
.focus ul li img{
	width: 100%;
	height: 100%;
}
.focus ol{
	position: absolute;
	left: 50%;
	bottom: 10px;
}
.focus ol li{
	display: inline;
	float: left;
	width: 10px;
	height: 10px;
	margin: 0 10px;
	background: #5c5c5c;
	border-radius: 10px;
	cursor: pointer;
}
.focus ol li.active{
	background: #35afec;
}
.left,.right{
	width: 50px;
	height: 50px;
	position: absolute;
	top: 218px;
	border-radius: 50%;
	cursor: pointer;
	background: #b7b7b7;
}
.left{
	left: 60px;
}
.right{
	right: 60px;
}
/* 对比图*/
.img-con{
	margin-bottom: 80px;
	text-align: center;
}
.img-con img{
	width: 100%;
	height: 100%;
}
.img-con1 img{
	max-width: 1920px;
	max-height: 640px;
}
.img-con2 img{
	max-width: 1400px;
	max-height: 467px;
}
.img-con3 img{
	max-width: 1400px;
	max-height: 788px;
}
/* 观点 */
.viewpoint{
	width: 720px;
	margin: 50px auto 0;
	font: bold 20px/1.5 microsoft yahei;
	color: #555;
	text-align: center;
}
.viewpoint:after, .viewpoint:before{
	content:"";
	display: block;
	width: 45px;
	height: 44px;
	margin: 0 auto;
	background-repeat: no-repeat;
	-webkit-background-size: cover;
	background-size: cover;
}
.viewpoint:after{
	margin-top: 20px;
	background-image: url(../images/sign/after.jpg);
}
.viewpoint:before {
	margin-bottom: 20px;
	background-image: url(../images/sign/before.jpg);
}
/* foot */
.footer{
	padding: 50px 0;
	background: #000;
	color: #fff;
	line-height: 2;
}
.footer a{
	color: #fff;
}
.foot-main{
	width: 380px;
	margin: 0 auto;
	font: 40px Arial,sans-serif;
	text-align: center;
	letter-spacing: .5px;
}
.footer-share{
	margin: 30px 0;
	text-align: center;
}
.footer-share ul{
	width: 100%;
}
.footer-share li{
	display: inline-block;
	width: 32px;
	height: 32px;
	margin: 0 10px;
	background-image: url(../images/sign/share_icons.png);
	background-repeat: no-repeat;
}
.footer-share li:nth-child(1){
	background-position: 0 -102px;
}
.footer-share li:nth-child(2){
	background-position: 0 -1612px;
}
.footer-share li:nth-child(3){
	background-position: 0 -260px;
}
.footer-share li:nth-child(4){
	background-position: 0 -156px;
}
.footer-share li:nth-child(5){
	background-position: 0 -52px;
}
.foot-main p{
	margin-top: 10px;
	font-size: 18px;
}
.foot-main p:before{
	content:"";
	display: block;
	width: 160px;
	height: 2px;
	margin: 0 auto 10px;
	background: #fff;
}
.footer p{
	text-align: center;
}
.footer address{
	text-align: center;
	font-style: normal;
}