.banner {
	width: 100%;
	position: relative;
}

.banner img {
	display: block;
	width: 100%;
}
.main .crumbs {
    max-width:1200px;
	height: 50px;
	line-height: 50px;
	margin:0 100px;
	/* border-bottom: 1px solid #000; */
}.main .crumbs  a {
	color: #000;
}
.main .crumbs  i {
	font-style: unset;
	color: #0080ca;
}
.main .crumbs .about-item1{
	color: #0080ca;
	font-size: 20px;
	vertical-align: middle;
}
.p-nav {
	margin-top: 30px;
}
.p-nav ul {
	width: 50%;
	float: right;
}
.p-nav ul li {
	float:left;
	width: 25%;
	text-align: center;
	
}.p-nav ul li a {
	color: #000;
}
.p-nav ul li:hover a {
	border-bottom: 2px solid red;
	padding-bottom: 10px;
}
.p-nav ul li.active a{
	border-bottom: 2px solid red;
	padding-bottom: 10px;
}
.canshu,
.chanpin {
    max-width:1200px;
	margin-top: 30px;
	margin:30px auto;
	/* position: relative; */
}
.chanpin .c-left {
	width: 55%;
	margin-right: 1%;

	/* background-color: #0080ca; */
	
}
.chanpin .c-left h4 {
	color: #0080ca;
	font-weight: 300;
	
}
.chanpin .c-right {
	/* width: 44%; */
	/* background-color:#000 */
	width: 400px;
}

.chanpin .c-right h4 {
	
	font-weight: 300;
}

.preview_img {
	margin-top: 30px;
	/*width: 400px;*/
    position: relative;
    /*height: 350px;*/
    border: 1px solid #ccc;
}
.preview_img .xiao {
	width: 100%;
	/*max-height: 350px;*/
}
.preview_img i {

	position: absolute;
	bottom: -10px;
	left: 10px;
	border-bottom: 10x solid transparent;
	border-top: 10px solid #0080ca;
	border-left: 10px solid transparent;
	border-right: 10px solid transparent;
}
.mask {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 200px;
    background: #0080ca;
    opacity: .5;
	border: 1px solid #ccc;
	cursor:crosshair ;
}

.big {
    display: none;
    position: absolute;
    left: 579px;
    top: 0;
    width: 500px;
    height: 500px;
    z-index: 999;
    border: 1px solid #ccc;
	overflow: hidden;
	background-color: #f5f5f5;
}

.big img {
	width:800px;
	height: 686px;
    position: absolute;
    top: 0;
    left: 0;
}

.items{
	/* position: absolute; */
	width: 360px;
	height: 80px;
	margin-top: 20px;
}
.items .item img{
	width: 80px;
	height: 60px;
}
.items .item{
	float: left;
	list-style: none;
	margin-right: 4px;
	
}
.c-right-pic img {
	width: 100%;
}
.c-right-pic {
	margin-top: 30px;
	padding: 0 20px 20px 20px;
	box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.3);
}
.canshu {
	
	font-size: 20px;
}
.canshu h4 {
	font-weight: 300;
	
}
.canshu  img {
	margin-top: 30px;
	max-width: 100%;
	width: auto;
	box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.3);
}

@media screen and (max-width: 1450px) {
	.main .container {
		width: 1200px;
	}

}

@media screen and (max-width: 1250px) {
	.main .container {
		width: 1000px;
	}
	
}

@media screen and (max-width: 1050px) {

	.main .container {
		width: 100%;
		box-sizing: border-box;
		padding: 0 20px;
		background-color: #FFFFFF;
	}
	

}

@media screen and (max-width: 800px) {

}