* {
	margin: 0;
	padding: 0;
}

/*
1920/100 = 19.2   1vw = 19.2px
*/
body {
	background: #ffffff;
	font-family: "微软雅黑", sans-serif;
	font-size: 0.73vw;
	color: #000;
}

.contact {
	height: 5vw;
	position: absolute;
	right: 10vw;
	text-decoration: none;
	line-height: 5vw;
	color: #000000;
	font-size: 1vw;
}

.banner {
	width: 100%;
	height: auto;
	padding-top: 4.68vw;
}

@media screen and (max-width: 768px) {
	.banner {
		padding-top: 1rem;
	}

	.ad-chunk ul li {
		width: 100%;
		float: left;
		list-style: none;
	}

	.ad-chunk-tit {
		width: 90%;
		height: 37.45vw;
		margin: 10px auto;
		overflow: hidden;
		position: relative;
	}

	.title p:nth-of-type(1) {
		font-size: 5vw;
		/*45px*/
		line-height: 10vw;
		/*78px*/
	}

	.title p:nth-of-type(2) {
		font-size: 3.5vw;
		/*36px*/
		color: #415285;
		line-height: 5vw;
		/*62px*/
	}

	.type-chunk ul li {
		width: 17%;
		height: auto;
		float: left;
		margin: 1vw 0 0 10vw;
		text-align: center;
		list-style: none;
	}

	.type-chunk ul li p {
		padding: 1.5vw 0;
		font-size: 3vw;
		color: #415285;
	}

	.size {
		font-size: 8vw !important;
	}
	.ad-chunk-con {
		width: 80%;
		margin: 1.5625vw auto;
		font-size: 3vw;
		display: flex;
		justify-content: center;
	}
}

@media screen and (min-width:768px) {

	.ad-chunk ul li {
		width: 24.5%;
		float: left;
		list-style: none;
		margin: 0 0 1vw 0.1vw;
	}

	.ad-chunk ul li:nth-child(1) {
		margin-top: 4vw;
	}

	.ad-chunk ul li:nth-child(2) {
		margin-top: 2vw;
	}

	.ad-chunk ul li:nth-child(3) {
		/* margin-top: 1vw; */
	}

	.ad-chunk ul li:nth-child(4) {
		margin-top: 4vw;
	}

	.li-chunk {
		width: 99%;
		height: auto;
		overflow: hidden;
		box-shadow: 0 0 0.5vw #d6d6d6;
	}

	.ad-chunk-tit {
		width: 100%;
		height: 11.45vw;
		margin: 0 auto;
		overflow: hidden;
		position: relative;
	}
	
	.title p:nth-of-type(1) {
		font-size: 3vw;
		/*45px*/
		line-height: 5vw;
		/*78px*/
	}
	
	.title p:nth-of-type(2) {
		font-size: 1.2vw;
		/*36px*/
		color: #415285;
		/* line-height: 2vw; */
		/*62px*/
	}

	.type-chunk ul li {
		width: 10%;
		height: 10vw;
		float: left;
		margin: 1vw 0 0 10vw;
		text-align: center;
		list-style: none;
	}

	.type-chunk ul li p {
		padding: 1.5vw 0;
		font-size: 1vw;
		color: #415285;
	}

	.size {
		font-size: 3vw !important;
	}
	
	.ad-chunk-con {
		width: 80%;
		margin: 1.5625vw auto;
		font-size: 0.9375vw;
	}
}

.banner img {
	width: 100%;
	height: 100%;
}

/*优势模块*/
.advantage-bg {
	width: 100%;
	height: auto;
	overflow: hidden;
	background-color: #f5f5f5;
}

.advantage {
	width: 70%;
	margin: 3.2vw auto 3vw auto;
}

.types {
	width: 80%;
	margin: 3.2vw auto 1vw auto;
}

.title {
	width: 100%;
}

.title p {
	width: 100%;
	text-align: center;
}

.ad-chunk,
.type-chunk {
	width: 100%;
	overflow: hidden;
	margin-top: 2vw;
	/*534px*/
	position: relative;
}

.ad-chunk ul {
	width: 100%;
}


.ad-chunk ul li:hover>.li-chunk>.ad-chunk-tit>.model {
	top: 0;
}

.ad-chunk ul li:nth-of-type(1),
.ad-chunk ul li:nth-of-type(2) {
	/* border-right: 0.052vw solid #f2f2f2; */

}


.model {
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, .5);
	position: absolute;
	top: -100%;
	left: 0;
	z-index: 2;
	transition: all .5s;
	color: #fff;
	display: flex;
	align-items: center;
}

.model p {
	padding: 2vw;
	font-size: 0.8vw;
}

.ad-chunk-tit1 {
	background: url(https://jishukeji.oss-cn-beijing.aliyuncs.com/guanwang/ad6.png) no-repeat;
	background-size: 100% 100%;
}

.ad-chunk-tit2 {
	background: url(https://jishukeji.oss-cn-beijing.aliyuncs.com/guanwang/ad5.png) no-repeat;
	background-size: 100% 100%;
}

.ad-chunk-tit3 {
	background: url(https://jishukeji.oss-cn-beijing.aliyuncs.com/guanwang/pr3.png) no-repeat;
	background-size: 100% 100%;
}

.shadow {
	box-shadow: 0 1px 10px 2px #ccc;
}

.background {
	background: url(../image/H5-ad.png);
}

.line-height {
	line-height: 11.45vw;
}

/*分类模块*/
.types {
	/*padding-bottom: 14.45vw;*/
}

.type-chunk ul {
	width: 100%;
}


.icon-div {
	width: 100%;
	overflow: hidden;
	transition: all 1s;
}

.icon-div:hover {
	transform: rotate(360deg);
}

.onep {
	opacity: 0;
}