*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
ul li{
	list-style: none;
}
a{
	text-decoration: none;
}
a:hover{
	text-decoration: none;
}
body{
	background: #F5F5F5;
}

/*banner*/
.solve-banner{
	position: relative;
	width: 100%;
	margin-top: 100px;
}
.solve-banner-img{
width: 100%;
}
.solve-banner-img img{
	width: 100%;
	height: 480px;
}
.solve-con{
	position: absolute;
	top: 20%;
	left: 20%;
	width: 30%;
	color: #fff;
}
.solve-con h1{
	font-size: 30px;
	margin-bottom: 30px;
}
.solve-con p{
	font-size: 16px;
}
/*banner结束*/
/*导航栏*/
.solve-water-nav{
	width: 1200px;
	margin: 0 auto;
	padding: 30px 0;
	
}
.solve-water-nav ul{
	display: flex;	
    display:-webkit-flex;
	justify-content: space-around;
	padding-bottom: 20px;
	border-bottom:1px solid #000;
}
.solve-water-nav ul li a{
	font-size: 18px;
	color: #000;
}
.solve-water-nav ul li{
	position: relative;
}
.num::after{
	content: "";
	position: absolute;
	bottom: -23px;
	left: 0;
	width: 100%;
	height: 5px;
	background: #B5010C;
}
/*导航栏结束*/
/*电气连接系统*/
.solve-free{
	width: 1200px;
	margin: 20px auto;
	margin-bottom: 0;
	padding: 30px;
	background: #fff;
	overflow: hidden;
}
.free-left{
	float: left;
	width: 40%;
	padding: 20px;
}
.free-left h3{
	margin-top: 0;
}
.free-left p{
	margin-top: 30px;
	font-size: 16px;
	line-height: 25px;
}
.free-right{
	float: right;
	width: 50%;
}
.free-right img{
	width: 100%;
}
/*电气连接系统结束*/
/*白条*/
.tips{
	width: 1200px;
	margin: 20px auto;
	text-align: center;
	font-size: 20px;
	padding: 15px 0;
	background: #fff;
}
.tips:hover{
	color: #fff;
	background: #B4000C;
}
/*白条结束*/
/*解决方案开始*/

.solve{
	
	width: 1200px;
	margin: 0 auto;
	/*margin-top: 30px;*/
}
.solve .solve-fon{
	margin-bottom: 20px;
}
.solve .solve-fon h1{
	font-size: 30px;
	margin-top: 65px;
}
.solve-img{
	position: relative;
}
.solve-img .solve-img-part1 img{
	width: 100%;
	padding: 0;
}
.add a{
	display: inline-block;
	width: 31px;
	height: 31px;
}

.add a img{
	width: 100%;
}
.add span{
	padding: 10px 0;
    background: rgba(0,0,0,.05);
    border-radius: 20px;
}
.add span a{
	display: inline;
	width: auto;
	height: auto;
	padding: 10px 20px;
    background: rgba(0,0,0,.05);
    border-radius: 20px;
	color: #000;
}
.add span a:hover{
	color: #fff;
	background: #B4000C;
}
.spanchange{
	background: #B4000C !important;
	color: #fff !important;
}
.add1{
	position: absolute;
    left: 76%;
    bottom: 34%;
}
.add2{
	    position: absolute;
    bottom: 43%;
    right: 48%;
}
.add3{
	    position: absolute;
    bottom: 35%;
    right: 80%;
}
.add4{
	    position: absolute;
    top: 25%;
    right: 78%;
}
.add5{
	    position: absolute;
    top: 22%;
    right: 55%;
}
.add6{
	    position: absolute;
    top: 10%;
    right: 27%;
}


/*.solve{
	
	width: 1200px;
	margin: 0 auto;
	margin-top: 30px;
}
.solve .solve-fon{
	margin-bottom: 20px;
}
.solve .solve-fon h1{
	font-size: 30px;
}
.solve-img{
	position: relative;
}
.solve-img .solve-img-part1 img{
	width: 100%;
}
.add a{
	display: inline-block;
	width: 31px;
	height: 31px;
}
.add a img{
	width: 100%;
}
.add span{
	padding: 10px 20px;
    background: rgba(0,0,0,.05);
    border-radius: 20px;
}
.add1{
	position: absolute;
    left: 76%;
    bottom: 34%;
}
.add2{
	    position: absolute;
    bottom: 43%;
    right: 48%;
}
.add3{
	    position: absolute;
    bottom: 35%;
    right: 80%;
}
.add4{
	    position: absolute;
    top: 25%;
    right: 78%;
}
.add5{
	    position: absolute;
    top: 22%;
    right: 55%;
}
.add6{
	    position: absolute;
    top: 10%;
    right: 27%;
}*/


/*解决方案结束*/

@media only screen and (max-width:1240px ) {
	.solve-water-nav{
		width: 90%;
	}
	.solve-free{
		width: 90%;
	}
	.tips{
		width: 90%;
	}
	.solve{
		width: 90%;
	}
}
@media only screen and (max-width: 980px) {
	.solve-water-nav{
		width: 100%;
	}
	.solve-free{
		width: 100%;
	}
	.solve{
		width: 100%;
	}
	.solve-water-nav ul li a{
		font-size: 16px;
	}
	.tips{
		width: 100%;
		font-size: 16px;
	}
}
@media only screen and (max-width:500px ) {
	.solve-banner-img img{
		height: auto;
	}
	.solve-con{
		position: static;
		top: 0;
		left: 0;
		color: #000;
		width: 100%;
		padding: 010px;
	}
	.solve-con h1{
	font-size: 18px;
	margin-bottom: 10px;
	margin-top: 5px;
}
.solve-con p{
	font-size: 14px;
}
.free-left{
	float: none;
	width: 100%;
	padding: 0;
}
.free-right{
	float: none;
	width: 100%;
}
.tips{
	padding: 15px 20px;
	font-size: 12px;
}
.solve{
	margin-top: 20px;
}
}