*{
    margin:0; padding:0;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td { margin: 0; padding: 0;  font-family: "微软雅黑"; }
fieldset, img { border: 0; }
ul, ol, li { list-style: none; font-family:'Microsoft YaHei'; }

/* remember to define focus styles! */
:focus { outline: 0; }
address, caption, cite, code, dfn, em, strong, th, var, optgroup { font-style: normal; font-weight: normal; }
h1, h2, h3, h4, h5, h6 { font-size: 100%; font-weight: normal; }
abbr, acronym { border: 0; font-variant: normal; }
input, button, textarea, select, optgroup, option { font-family: inherit; font-size: inherit; font-style: inherit; font-weight: inherit; background-color: #fff; border: none;}
code, kbd, samp, tt { font-size: 100%; }
a{text-decoration:none; }
a:hover{
    text-decoration: none;
}
/*@purpose To enable resizing for IE */
/*@branch For IE6-Win, IE7-Win */
input, button, textarea{ *font-size: 100%;}
ol, ul { list-style: none; }

/* tables still need 'cellspacing="0"' in the markup */
table,tr,td { border-collapse: collapse; border-spacing: 0; margin:0;padding:0;}
caption, th { text-align: left; }
sup, sub { font-size: 100%; vertical-align: baseline; }

/* remember to highlight anchors and inserts somehow! */
blockquote, q { quotes: none; }
blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; }

/**Common Css**/
.fr { float: right; *display: inline;}
.fl { float: left; *display: inline;}
/*文本超出显示省略号*/
.ehn, .otw, .tow { text-overflow: ellipsis; overflow: hidden; white-space: nowrap; }
/*清除浮动*/
.clearfix { clear: both; *zoom:1;}
.clearfix:after { display: block; clear: both; content: "\0020"; visibility: hidden; height: 0; }
.none {display: none;}


.header{
	width: 1920px;
	height: 90px;
	background: url(../../images/index/top_background.png);
}
.header .logo{
	width: 18.75%;
	height: 90px;
	line-height: 90px;
	padding-left: 30px;
	padding-top: 11px;
}
.header .nav{
	height: 90px;
	line-height: 90px;
}
.header .nav a{
	display: block;
	float: left;
	text-align: center;
	margin: 0 24px;
	
}
.header .nav a i{
	width: 23px;
	height: 28px;
	margin-top: 32px;
	margin-right: 5px;
	display: inline-block;
	background: aqua;
}
.header .nav a i.home{
	background: url(../../images/index/home.png) no-repeat;
}
.header .nav a i.download{
	background: url(../../images/index/download.png) no-repeat;
}
.header .nav a span{
	float: right;
}
	
.banner{
	width: 1920px;
	height: 853px;
	background-image:url(../../images/index/banner_background.png);
	background-size: 100%, 100%;
}

.content{
	width: 1920px;
	/* height: 3171px; */
	background:url(../../images/index/content_background_no.png) no-repeat;
}
.content .item{
	width: 1200px;
	
	margin: 0 auto;
	padding: 50px 0;
	position: relative;
}
.content .item p{
	margin-bottom: 25px;
}
.content .item2{
	text-align: right;
}
.content .item .title2{
	font-size: 50px;
}
.content .item .title3{
	font-size: 30px;
	color: #b1b1b1;
}
.content .item .title4{
	position: absolute;	
	top:90px;
}
.content .item1 .title4{	
	right: 0;
}
.content .item2 .title4{	
	left: 0;
}
.content .item3 .title4{	
	right: 0;
}
.content .item1 .image{
	width: 100%;
	height: 346px;
	line-height: 346px;
	background: url(../../images/index/item01_img02.png)no-repeat right center;
}
.content .item2 .image{
	width: 100%;
	height: 446px;
	line-height: 446px;
	background: url(../../images/index/item02_img02.png)no-repeat left center;
}
.content .item2 .image img{
	margin-top: 60px;
}
.content .item3 .image{
	width: 100%;
	height: 346px;
	line-height: 346px;
	background: url(../../images/index/item03_img02.png)no-repeat right center;
}


.content .item4 .logo{
	width: 200px;
	margin: 0 auto 50px;
}
.content .item4 .download{
	width: 1050px;
	margin: 0 auto;
}
.footer{
	height: 50px;
	line-height: 50px;
	text-align: center;
	background: rgba(0, 0, 0, .5);
	color: #fff;
	font-size: 14px;
}

.footer i {
	color: #ffaf00;
}