.head .right li:nth-of-type(2) a {
    color: #007cc2;
    font-weight: bold;
	}
.banner{
	height:600px;
	background: url(../images/banner5.png) no-repeat;
	/*background-color: rgba(188,188,188,0.3);*/
	background-size:cover;
	position:relative;
}
.banner .mask{
	width:100%;
	height:100%;
	position:absolute;
	top:0;
	left:0;
	background-color: rgba(27,27,27,0.3);
	z-index: 1;
}
	.banner h2{
		position:absolute;
		left:0;
		right:0;
		margin:0 auto;
		top:240px;
		text-align: center;
		font-size: 50px;
		color:#fff;
		font-family: "苹方","常规";
		z-index: 2;
	}
	.banner span{
		position:absolute;
		left:0;
		right:0;
		margin:0 auto;
		top:310px;
		text-align: center;
		font-size: 26px;
		color:#ebeaf0;
		font-family: "苹方","细体";
		z-index: 2;
	}
	.jieshao-box{
		margin-top:73px;
		position: relative;
	}
	.jieshao-box h2{
		font-size: 200px;
		position: absolute;
		left:148px;
		bottom:0;
		z-index: 5;
		color:rgba(102,102,102,0.06);
	}
	.jieshao{
		height:100%;
		padding-top:49px;
		padding-bottom:80px;
		background-color:#f5f9fc ;
	}
	.jieshao:after{
		display: block;
		clear:both;
		content: "";
	}
	.jieshao-box{
		display: block;
		clear:both;
		content: "";
	}
	.jieshao h3{
		font-size:26px ;
		text-align: center;
	}
	.jieshao .jscon{
		width:83%;
		margin:0 auto;
		margin-top:60px;
		color:#666;
		font-size:20px ;
	}
	.jieshao ul{
		width:100%;
		margin-top:80px;
	}
	.jieshao ul:after{
		content: "";
		display: block;
		clear:both;
		height:0;
	}
	.jieshao ul li{
		width:25%;
		text-align: center;
		float:left;
	}
	.jieshao ul li span,.jieshao ul li.add b{
		font-size: 50px;
		color:#343434;
		font-weight: bold;
	}
	.jieshao ul li b{
		font-size: 30px;
	}
	.jieshao ol{
		width:100%;
		margin-top:30px;
	}
	.jieshao ol li{
		width:25%;
		text-align: center;
		float:left;
		color:#343434;
		font-size: 30px;
	}
	.natural-box{
		margin-top:73px;
		background: url(../images/banner6.png) no-repeat;
		background-size:cover;
		position:relative;
		padding-top:38px;
		box-sizing: border-box;
	}
	.natural-box .mask{
		width:100%;
		height:100%;
		position:absolute;
		left:0;
		top:0;
		background-color: rgba(27,27,27,0.5);
		z-index: 0;
	}
	.natural-box:after{
		content: "";
		display: block;
		clear:both;
		height:0;
	}
	.natural{
		height:100%;
		z-index: 1;
		position: relative;
	}
	.natural:after{
		content: "";
		display: block;
		clear:both;
		height:0;
	}
	.natural h3{
		margin:0 auto;
		text-align: center;
		top:38px;
		font-size: 28px;
		color:#fff;
	}
	.natural ul{
		width:100%;
		margin-top:76px;
		padding-bottom: 80px;
	}
	.natural ul:after{
		content: "";
		display: block;
		clear:both;
		height:0;
	}
	.natural ul li{
		height:383px;
		float:left;
		margin-right:20px;
	}
	.location-box{
		background-color: #f5f9fc;
		margin-top:52px;
		padding-bottom: 70px;
	}
	.location{
		overflow: hidden;
	}
		.item1{
			padding-top:46px;
		}
		.item2{
			padding-top:50px;
			width: 50%;
			display: inline-block;
			float: left;
		}
		.item3{
			padding-top:50px;
			width: 50%;
			display: inline-block;
			float: right;
			padding-left: 60px;
			box-sizing: border-box;
		}
			.item1 h4{
				left:0;
				right:0;
				text-align: center;
				top:47px;
				font-size: 28px;
				color:#343434;
				font-weight: bold;
			}
			.item2 h4{
				top:32px;
				text-align: center;
				font-size: 28px;
				color:#343434;
				margin-bottom: 19px;
				text-align: left;
				padding-top: ;
				font-weight: bold;
			}
			.item3 h4{
				text-align: left;
				font-size: 28px;
				color:#343434;
				/* padding-left: 23px; */
				font-weight: bold;
			}
			.item1 ul{
				width:100%;
				margin-top:38px;
			}
			.item1 ul:after{
				content: "";
				display: block;
				clear:both;
				height:0;
			}
			.item2 ul:after{
				content: "";
				display: block;
				clear:both;
				height:0;
			}
			.item3 ul:after{
				content: "";
				display: block;
				clear:both;
				height:0;
			}
				.item1 ul li{
				width:50%;
				float:left;
				line-height:50px;
				}
					.item1 ul li:nth-of-type(2n){
						padding-left:30px;
						box-sizing: border-box;
					}
				.item1 ul li span{
					font-size: 20px;
					color:#343434;
				}
				.item1 ul li b{
					font-size:18px;
					color:#666;
				}
				.item2 ul{
				width:100%;
				}
				.item2 ul li{
				/* float:left; */
				width:100%;
				/* line-height:50px; */
				text-align: left;
				margin-bottom: 14px;
				}
				.item2 ul li:nth-of-type(2n){
						/* padding-left:60px; */
						box-sizing: border-box;
					}
				.item2 ul li span{
					font-size: 24px;
					color:#343434;
				}
				.item2 ul li b{
					font-size: 20px;
					color:#666;
				}
				.item3 ul{
				width:100%;
				margin-top:19px;
			}
				.item3 ul li{
				/* float:left; */
				width:100%;
				/* line-height:50px; */
				text-align: left;
				margin-bottom: 14px;
				}
					.item3 ul li:nth-of-type(2n){
						/* padding-left:60px; */
						box-sizing: border-box;
					}
				.item3 ul li span{
					font-size: 24px;
					color:#343434;
				}
				.item3 ul li b{
					font-size: 20px;
					color:#666;
				}
		.operate-box:after{
			content: "";
			display: block;
			clear:both;
			height:0;
		}
		.operate{
			padding-top: 70px;
			margin-bottom: 178px;
			border-radius: 5px;
			background: url(../images/operate.png) no-repeat;
			background-size:cover;
			position: relative;
		}
		.operate:after{
			content: "";
			display: block;
			clear:both;
			height:0;
		}
		.operate .mask{
			width:100%;
			height:100%;
			position:absolute;
			left:0;
			top:0;
			background-color: rgba(27,27,27,0.5);
			z-index: 0;
		}
		.operate h4{
			font-size:30px;
			text-align: center;
			color:#fff;
			z-index: 1;
			position: relative;
			
		}
		.operate form{
			width:320px;
			z-index: 1;
			margin-left:78px;
			margin-top:66px;
			display: inline-block;
			float:left;
			position: relative;
		}
		.message1{
			display:block;
			float:right;
			width:564px;
			margin-top:66px;
			margin-bottom:76px;
			border:0;
			font-size: 20px;
			height:340px;
			border-radius: 20px;
			text-indent: 40px;
			padding-top:20px;
			box-sizing: border-box;
			z-index: 1;
			margin-right:174px;
			position: relative;
			font-family: "微软雅黑";
		}
			.operate form input{
				height:60px;
				margin-bottom:30px;
				width:100%;
				border:0;
				border-radius: 30px 30px;
				padding-left:30px;
				box-sizing: border-box;
			}
		.sub{
			display: inline-block;
			position: absolute;
			bottom:-30px;
			width:360px;
			height:60px;
			text-align: center;
			line-height: 60px;
			color:#fff;
			font-size:22px ;
			background-color:#007cc2 ;
			z-index: 1;
			right: 297px;
		}
		input::-webkit-input-placeholder{
			color:#666;
			font-size: 20px;
		}
		textarea::-webkit-input-placeholder{
			color:#666;
			font-size: 20px;
		}
		@media  screen and (max-width:780px) {
			.banner{
				height:auto!important;
			}
			.banner h2{
				top:80px;
				font-size: 40px;
			}
			.banner span{
				top:150px;
			}
			.jieshao,.natural,.location,.item1,.item2,.item3,.operate{
				width:100%;
			}
			.operate{
				/* padding-top: 30px; */
				padding:30px 10px 0;
				box-sizing: border-box;
				margin-bottom: 90px;
			}
			.operate h4{
				font-size: 24px;
			}
			.item3{
				/* padding-left: 0; */
				padding: 0 10px;
				margin-top: 20px;
				box-sizing: border-box;
			}			.item3 ul li span{
				font-size: 18px;
			}
			.item3 ul li b{
				font-size: 14px;
			}
			.natural ul{
				width:100%;
				padding:0 1%;
				box-sizing: border-box;
			}
			.natural ul li{
				width:24%;
				float:left;
				margin-right:1%;
			}
			.natural ul li:last-child{
				float:right;
				margin-right:0;
			}
			.natural ul li:last-child {
			}
			.natural ul li:last-child{
				float:right;
				margin-right:0;
			}
			.natural ul li img{
				width:100%;
			}
			.operate form{
			width:270px;
			margin-left:50px;
			overflow: hidden;
			}
			.message1{
				/* width:350px;
				margin-right:50px; */
				width: 80%;
				margin: 0 auto;
				float: none;
				text-indent: 30px;
			}
			.sub{
				left:50%;
				margin-left:-180px;
			}
		}
	@media  screen and (max-width:640px ) {
		.jieshao-box{
			margin-top: 40px;
		}
		.jieshao{
			padding: 30px 10px 0;
			box-sizing: border-box;
		}
		.jieshao .jscon{
			margin-top: 20px;
			width: 100%;
			font-size: 16px;
		}
		.operate form{
			width:200px;
		}
		.message1{
				/* width:300px; */
				/* margin-right:50px; */
				height: 160px;
				margin-bottom: 50px;
		}
	}
	@media  screen and (max-width:480px ) {
		.jieshao-box h2{
			font-size: 100px;
			left:50px;
		}
	.jieshao ul li span {
   		 font-size: 40px;
    	color: #343434;
    	font-weight: bold;
		}
		.jieshao ul li b {
   		 font-size: 26px;
    	color: #343434;
		}	
		.jieshao ol li {
   		 font-size: 16px;
		}
		.natural ul li{
			height:150px;
		}
		.natural ul li:last-child{
			float:left;
		}
		.location ul li {
			width:100%;
			padding: 0 10px!important;
			box-sizing: border-box;
		}
		.item2{
			padding: 0 10px;
			box-sizing: border-box;
		}
		.location h4{
			font-size: 18px;
		}		.item1 ul li span{
			font-size: 18px;
		}
		.item1 ul li b{
			font-size: 14px;
		}
		.location ul li:nth-of-type(2n) {
			padding:0;
		}
		.location h4{
			font-size: 18px;
		}
		.location .item2 ul {
			margin-top: 20px;
		}
		.location .item2 ul li span{
			font-size: 18px;
		}		.item2 ul li b{
			font-size: 18px;
		}
		.item2{
			margin-top: 20px;
		}
		.operate form{
			width:100%;
			margin-left:0;
			margin-top: 30px;
		}
		.operate form input{
			height:50px;
			display: block;
			border-radius: 15px;
			width:80%;
			margin: 0 auto 20px;
		}
		input::-webkit-input-placeholder{
			color:#666;
			font-size: 16px;
		}
		textarea::-webkit-input-placeholder{
			color:#666;
			font-size: 16px;
		}
		.message1{
			margin-top:20px;
			/* height:150px; */
			width: 80%;
		}
	}
	@media screen and (max-width:480px ) {
		.banner{
			height:auto!important;
			}
			.banner h2{
				font-size: 30px;
				top:60px;
			}
			.banner span{
				font-size: 20px;
				top:110px;
			}
			.jieshao h3{
				font-size: 24px;
			}
			.jieshao ul{
				margin-top:30px;
			}
			.jieshao ul li span{
				font-size: 30px;
			}
			.jieshao ul li b{
				font-size: 20px;
			}
			.jieshao ul li span,.jieshao ul li.add b{
				font-size: 25px;
			}
			/* .jieshao ul li:nth-child(1),.jieshao ul li:nth-child(2){
				width: 23%;
			} */
}