html, body {
	position: relative;
	width: 100%;
	height: 100%;
}

body {
	color: #333;
	box-sizing: border-box;
}
html, body, h1, h2, div, a {
	margin: 0;
	padding: 0;
	font-family: "PingFang SC","Helvetica Neue","Segoe UI","Microsoft YaHei","微软雅黑",sans-serif;
	-webkit-font-smoothing: antialiased;
}
a {
	text-decoration: none;
}
.flex-row {
	display: flex;
}
.flex-wrap {
	flex-wrap: wrap;
}
.header-bar-wrapper {
	width: 100%;
	background-color: transparent;
	position: fixed;
	z-index: 1;
	box-shadow: 0 2px 0px 0 rgba(0, 0, 0, 0);
	transition: box-shadow 0.3s;
}

.header-bar-wrapper.active {
	background-color: white;
	box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.header-bar-content-wrapper {
	margin: auto;
	height: 250px;
	background-image: url('../static/logo.png');
	background-repeat: no-repeat;
	background-position: 0 center;
	background-size: 188px 140px;
	background-color: transparent;
	transition: background-size 0.2s
}

.header-bar-wrapper.active .header-bar-content-wrapper {
	height: 60px;
	background-size: 149px 42px;
	background-image: url('../static/logo-head.png');
}
.banner-header-wrapper {
	height: 700px;
	width: 100%;
	color: black;
	padding: 20px;
	box-sizing: border-box;
	font-weight: bold;
	background-image: url('../static/home/banner1.jpg');
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}
.banner-header-wrapper h1 {
	font-size: 35px;
}
.content-wrapper .content-pannel-title {
	text-align: center;
	margin-bottom: 50px;
	margin-top: 90px;
}
.content-wrapper .content-pannel-desc {
	font-size: 20px;
	line-height: 40px;
	margin: auto;
	transition: width 0.2s;
}
.content-wrapper .product-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	margin-top: 100px;
}
.product-list .prod-item {
	margin-bottom: 20px;
	background-size: 100% 100%;
	background-position: center;
	background-repeat: no-repeat;
	box-shadow: 0 2px 0px 0 rgba(0, 0, 0, 0);
	transition: box-shadow 0.2s, background-size 0.2s;
}
.product-list .prod-item:hover {
	cursor: pointer;
	box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.2);
	background-size: 105% 105%;
}

.prod-1 {
	background-image: url('../static/home/prod-1.jpg');
	position: relative;
}
.prod-2 {
	background-image: url('../static/home/prod-2.jpg');
	position: relative;
}
.prod-3 {
	background-image: url('../static/home/prod-3.jpg');
}
.prod-4 {
	background-image: url('../static/home/prod-4.jpg');
}

.bottom-banner {
	max-width: 100%;
	height: auto;
	margin-top: 90px;
}

.icp-logo{
	height: 200px;
	background-image: url('../static/logo.png');
	background-repeat: no-repeat;
	background-position: center;
	background-size: auto 70%;
	margin-top: 60px;
	margin-bottom: 40px;
}
.icp-comp{
	font-size: 14px;
	text-align: center;
	font-weight: bold;
}
.icp-gov{
	display: block;
	text-align: center;
	margin-top: 20px;
	padding-bottom: 90px;
	font-weight: bold;
}

@media screen and (max-width: 790px) {
	.header-bar-content-wrapper {
		width: 100%;
		background-position: 10px 5px;
	}
	.banner-header-wrapper h1 {
		margin-top: 285px;
		margin-bottom: 5px;
	}
	.content-wrapper{
		padding: 20px
	}
	.product-list .prod-item {
		width: 100%;
		height: 200px;
		background-size: contain;
	}
	.product-list .prod-item:hover{
		background-size: contain;
	}
}

@media screen and (min-width: 790px) {
	.header-bar-content-wrapper {
		width: 750px;
	}
	.banner-header-wrapper h1 {
		width: 750px;
		margin: auto;
		margin-top: 285px;
		margin-bottom: 5px;
	}
	.banner-header-wrapper div {
		width: 750px;
		margin: auto;
	}
	.content-wrapper .content-pannel-desc {
		width: 750px;
	}
	.product-list .prod-item {
		width: 160px;
		height: 90px;
	}
}

@media screen and (min-width: 1050px) {
	.header-bar-content-wrapper {
		width: 970px;
	}
	.banner-header-wrapper h1 {
		width: 970px;
		margin: auto;
		margin-top: 285px;
		margin-bottom: 5px;
	}
	.banner-header-wrapper div {
		width: 970px;
		margin: auto;
	}
	.content-wrapper .content-pannel-desc {
		width: 970px;
	}
	.product-list .prod-item {
		width: 220px;
		height: 115px;
	}
}

@media screen and (min-width: 1440px) {
	.header-bar-content-wrapper {
		width: 1200px;
	}
	.banner-header-wrapper h1 {
		width: 1200px;
		margin: auto;
		margin-top: 285px;
		margin-bottom: 5px;
	}
	.banner-header-wrapper div {
		width: 1200px;
		margin: auto;
	}
	.content-wrapper .content-pannel-desc {
		width: 1200px;
	}
	.product-list .prod-item {
		width: 280px;
		height: 140px;
	}
}