*{
	padding: 0;
	margin: 0;
	text-decoration: none;
	list-style: none;
	box-sizing: border-box;
}
body,html{
	font-family: "microsoft yahei","黑体";
	overflow-x: hidden;
}
a:link,a:visited,a:active{
	color: inherit;
}
.text-indent{
	text-indent: 2em;
}
.content-txt{
	font-size: 14px;
	color: #4f4f4f;
	line-height: 28px;
}
#nav{
	max-width: 1920px;
	min-width: 960px;;
	background: rgb(20,20,20);
}
#nav ul{
	width: 865px;
	margin: 0 auto;
	font-size: 12px;
	float: right;
	margin: 15px 0;
}
#nav ul li{
	float: left;
	text-align: center;
	border-right: 1px solid #4f4f4f;
	padding: 0 7px;
}
#nav ul li:last-child{
	border-right: none;
}
#nav ul li a{
	color: white;
}
#logo{
	display: block;
	float: left;
	margin-top: 5px;
}
.clearfix{
	zoom: 1;
}
.clearfix:after{
	content: ".";
	height: 0;
	display: block;
	visibility: hidden;
	clear: both;
}
#return-top{
	position: fixed;
	width: 48px;
	height: 48px;
	background: rgba(0,0,0,0.8);
	right: 10px;
	bottom: 15px;
	padding: 10px 5px 0 5px;
	display: none;
	cursor: pointer;
}
#return-top:hover{
	background: rgb(0,0,0);
}
#tyfoot {

    width: 100%;
    background-color: #005699;
    height: 145px;
    text-align: center;
    color: #DEDEDE;
    font-size: 9pt;
    left: 0;
    border-top: #DFDFDF 8px solid;
}
#tyfoot_body {
    width: 980px;
    margin: 0 auto;
    margin-top: 20px;
}
#tyfoot_txt {
	
    float: left;
    width: 590px;
    text-align: left;
    line-height: 20px;
    color: #DEDEDE;
   
}
#tyfoot_txt a:visited {
    color: #DEDEDE;
    text-decoration: none;
	    padding-left: 2px;
    padding-right: 2px;
}
#tyfoot_txt a:link {
    color: #DEDEDE;
    text-decoration: none;
  
   
}
#tyfoot_txt a:hover {
    color: #FF0;
    text-decoration: none;
  
}
#tyfoot_logo img {
    border: 0;
}

#tit{
	font-size: 42px;
	color: #4f4f4f;
	width: 1100px;
	text-align: center;
	margin: 42px auto;
}
.m-tit{
	font-size: 24px;
	color: #4f4f4f;
	margin-top: 18px;
}
#daoyu{
	width: 1100px;
	margin: 0 auto;
	position: relative;
	height: 169px;
}
#d-tit{
	font-size: 32px;
	color: white;
	width: 64px;
	height: 102px;
	background: #a0a0a0;
	text-align: center;
	padding-top: 8px;
	position: absolute;
	top: 35px;
	z-index: 2;
}
#d-con{
	position: absolute;
	width: 1070px;
	border: 1px solid #a0a0a0;
	height: 169px;
	left: 32px;
	padding-top: 50px;
	padding-left: 50px;
	padding-right: 42px;
}
.product{
	width: 1100px;
	margin: 42px auto 0 auto;
	position: relative;
	min-height: 375px;
}
.p-img{
	width: 499px;
	height: 281px;
	position: absolute;
	z-index: 2;
}
.p-con,.p-con-border{
	width: 630px;
	padding-left: 84px;
	padding-top: 42px;
	padding-right: 42px;
	padding-bottom: 84px;
	position: absolute;
	right: 0;
	min-height: 344px;
}
.p-con-border{
	border: 1px solid #A0A0A0;
}
.p-con{
	background: #d4d4d4;
}
.p-img{
	box-shadow: 8px 8px 16px #A0A0A0;
}
.detail{
	background: #eeeeee;
	text-align: center;
	color: #4f4f4f;
	width: 84px;
	position: absolute;
	right: 42px;
	transition: all 0.2s;
	margin-top: 21px;
}
.detail:hover{
	box-shadow: 0 2px 2px 0 #A0A0A0;
}