*{
	margin:0px;
	padding:0px;
}
body{
	width: 100%;
	background: #A20000
}
header,header .head{
	width: 100%;
}
.head img{
	width: 100%
}
.main{
	width: 100%;
	position: relative;
	top: -145px;
}
.main .pro_ptgs,.main .pro_show{
	width: 1200px;
	margin:0 auto;
	background: #fff;
}
.pro_ptgs>img,.pro_show>img{
	display: block;
	margin:0 auto;
	padding-top: 45px;
}
.pro_ptgs>p{
	width: 90%;
	margin:0 auto;
	font-size: 20px;
	letter-spacing: 2px;
	color:#555;
	line-height: 35px;
	text-indent: 2em;
	margin-top: 25px;
}
.pro_ptgs>ul{
	width: 100%;
	margin:0 auto;
	overflow: hidden;
}
.pro_ptgs>ul li{
	float: left;
	width: 25%;
	margin:0 auto;
	text-align: center;
}
.pro_ptgs>ul li img{
	width: 100%;
}
.pro_ptgs>p:nth-of-type(2){
	padding-bottom: 50px;
}
.main .pro_show{
	margin-top: 35px;
}
.pro_show>div{
	margin-top: 30px;
	padding-bottom: 20px;
}
.pro_show p{
	float: left;
	width: 50%;
	margin:0 auto;
	text-align: center;
}
.pro_show>div p img{
	width: 96%;
}
.main .pro_button{
	width: 1200px;
	margin:0 auto;
	text-align: center;
	margin-top: 25px;
}
.pro_button a{
	display: inline-block;
}
.pro_button a:first-of-type{
	margin-right: 20px;
}
.pro_button a:last-of-type{
	margin-left: 20px;
}