.problem{
	padding-top: 60px;
	padding-bottom: 30px;
}
.problem>.middle>h2{
	background: url(../img/problem.png) no-repeat center center;
}
.problem_nav{
	width: 1200px;
	overflow: hidden;
	margin-top: 50px;
	padding-left: 150px;
	padding-right: 150px;
	border-bottom: 1px solid #ccc;
}
.problem_nav li{
	width: 300px;
	float: left;
	text-align: center;
	cursor: pointer;
}
.problem_nav li span{
	display: inline-block;
	border-bottom: 2px solid #fff;
}
.problem_nav li.current span{
	border-bottom: 2px solid #ff5256;
}
.problem_list{
	overflow: hidden;
	margin-top: 30px;
}
.problem_list>li{
	width: 1200px;
	display: none;
}
.problem_list>li.current{
	display: block;
}
.problem_list>li li{
	width: 240px;
	height: 300px;
	float: left;
	position: relative;
	overflow: hidden;
	text-align: center;
	transition: all 600ms ease;
}
.problem_list>li li:hover{
	transform: scale(1.2);
}
.problem_list>li li
.problem_list>li li .tubiao{
	width: 60px;
	height: 60px;
	display: block;
	position: absolute;
	top: 40px;
	left: 90px;
}
.problem_list>li li h2{
	width: 240px;
	position: absolute;
	top: 120px;
	left: 0;
	color: #fff;
	font-size: 20px;
}
.problem_list>li li .subtitle{
	color: #fff;
	font-size: 16px;
}
.project{
	padding-top: 60px;
	padding-bottom: 30px;
	background: #f1f1f1;
	overflow: hidden;
}
.project>.middle>h2{
	background: url(../img/Solution.png) no-repeat center center;
	margin-bottom: 50px;
}
.project_nav{
	width: 180px;
	height: 480px;
	float: left;
}
.project_nav li{
	width: 180px;
	height: 160px;
	opacity: 0.5;
	cursor: pointer;
}
.project_nav li.current{
	opacity: 1;
}
.project_list{
	width: 1000px;
	height: 480px;
	margin-left: 20px;
	float: left;
}
.project_list li {
	display: none;
}
.project_list li.current{
	display: block;
}
.bright{
	padding-top: 60px;
	padding-bottom: 30px;
	overflow: hidden;
}
.bright>h2{
	background: url(../img/advantage.png) no-repeat center center;
}
.bright>div{
	padding-top: 40px;
	padding-bottom: 40px;
}
.bright .middle{
	overflow: hidden;
}
.bright .middle>div{
	width: 600px;
	float: left;
}
.bright .middle .img img{
	display: block;
}
.bright .middle h4{
	font-size: 30px;
	font-weight: 400;
}
.bright .middle p{
	margin-top: 30px;
	margin-bottom: 30px;
	padding-right: 40px;
}
.bright .middle ul{
	overflow: hidden;
}
.bright .middle ul li{
	width: 180px;
	height: 48px;
	line-height: 48px;
	float: left;
	margin-bottom: 24px;
}
.bright .middle ul li img{
	width: 46px;
	height: 48px;
	float: left;
	margin-right: 10px;
}
.bright .middle .btn a:first-child button{
	border: 1px solid #666;
	background: #fff;
	outline: none;
	padding: 4px 12px;
	border-radius: 6px;
	margin-right: 12px;
	cursor: pointer;
}
.bright .middle .btn a:last-child button{
	border: 1px solid #ff5256;
	background: #ff0000;
	color: #fff;
	outline: none;
	padding: 4px 12px;
	border-radius: 6px;
	cursor: pointer;
}
.bright .zhangmf{
	background: #f1f1f1;
}
.experience{
	padding-top: 60px;
	padding-bottom: 30px;
	overflow: hidden;
	background: url(../img/experience.png) no-repeat center center;
	background-size: cover;
}
.experience h2{
	background: url(../img/system.png) no-repeat center center;
	color:#fff;
}
.experience h2 .subtitle{
	color: #fff;
}
.experience .form{
	width: 760px;
	height: 360px;
	background: #fff;
	margin: 30px auto 30px;
	padding: 30px 80px;
	border-radius: 12px;
}
.experience .form h4{
	text-align: center;
	font-size: 24px;
	color: #ff0000;
	background: url(../img/bg20190802006.png) repeat-x center;
}
.experience .form h4 span{
	padding:0 16px;
	display: inline-block;
	background: #fff;
}
.experience input{
	display: block;
	width: 100%;
	margin-top: 20px;
	padding-top: 8px;
	padding-bottom: 8px;
	text-align: center;
	outline: none;
	border: 1px solid #fff;
	background: #eee;
	color: #333;
	cursor: pointer;
	font-size: 16px;
}
.experience input[name="name1"]{
	margin-top: 30px;
}
.experience input[type="submit"]{
	background: #ff5256;
	color: #fff;
}
.system{
	padding-top: 60px;
	padding-bottom: 30px;
	overflow: hidden;
} 
.system h2{
	background: url(../img/system1.png) no-repeat center center;
}
.system .middle{
	position: relative;
}
.system img{
	display: block;
	margin: 0 auto;
	margin-top: 50px;
}
.system li{
	width: 350px;
	height: 150px;
	padding-left: 45px;
}
.system li h4{
	font-size: 24px;
	font-weight: 400;
}
.system li p{
	margin-top: 10px;
}
.system li:nth-child(1){
	position: absolute;
	top: 100px;
	left: 0;
	background: url(../img/20190808002.png) no-repeat left top;
	background-size: 36px 36px;
}
.system li:nth-child(2){
	position: absolute;
	top: 100px;
	right: 0;
	background: url(../img/20190808003.png) no-repeat left top;
	background-size: 36px 36px;
}
.system li:nth-child(3){
	position: absolute;
	bottom: 100px;
	left: 0;
	background: url(../img/20190808004.png) no-repeat left top;
	background-size: 36px 36px;
}
.system li:nth-child(4){
	position: absolute;
	bottom: 100px;
	right: 0;
	background: url(../img/20190808005.png) no-repeat left top;
	background-size: 36px 36px;
}
.promote{
	height: 473px;
	padding-top: 40px;
	padding-bottom: 30px;
	overflow: hidden;
	background: url(../img/20190808006.png) no-repeat center center;
	background-size: cover;
}
.promote h2{
	color: #fff;
}
.promote h2 .subtitle{
	color: #fff;
}