h1 {
	font-size: 54px;
	color: #000;
	font-weight: 300;
	margin: 0
}

h2 {
	font-size: 42px;
	color: #000;
	font-weight: 300;
	margin: 0
}

section {
	margin-top: 50px
}

.app-link {
	font-size: 16px !important;
	color: #2e82f7 !important;
	opacity: .9
}

.app-link:hover {
	opacity: 1
}

.subnavi-layout {
	position: sticky;
	top: 0;
	z-index: 99;
	background: #f5f7fa
}

.subnavi-content {
	display: flex;
	align-items: center
}

.subnavi-content>div:nth-child(1) {
	width: 120px
}

.subnavi-popup {
	padding: 0;
	height: 0;
	overflow: hidden;
	flex-direction: column;
	position: absolute;
	width: 160px;
	top: 80px;
	left: 0;
	background: #fff;
	box-shadow: 0 8px 10px 0 rgba(0, 0, 0, .12);
	opacity: .98;
	transition: all .3s
}

.subnavi-popup a {
	padding-left: 30px;
	height: 36px;
	line-height: 36px;
	font-size: 14px;
	color: #333
}

.subnavi-popup a:hover {
	background-color: #f8f8f8;
	color: #428ef8
}

.subnavi-l {
	padding: 16px 0;
	position: relative
}

.subnavi-l:hover .subnavi-category {
	color: #2e82f7
}

.subnavi-l:hover img {
	transform: rotate(180deg);
	content: url(../images/icon_arrow_down_click@2x.png)
}

.subnavi-l-t {
	display: flex;
	justify-content: space-between;
	font-size: 14px;
	color: #333;
	height: 20px;
	align-items: center;
	cursor: pointer;
	position: relative
}

.subnavi-l:hover .subnavi-popup {
	display: flex;
	height: auto;
	padding: 10px 0
}

.subnavi-l-t>div:nth-child(2) {
	width: 20px;
	height: 20px;
	margin-right: 20px
}

.subnavi-l-t img {
	width: 100%;
	height: 100%;
	transition: all .3s
}

.subnavi-l-b {
	display: flex;
	height: 30px;
	font-size: 18px;
	color: #333;
	align-items: flex-end
}

.subnavi-l>div:nth-child(3) {
	top: 30px;
	right: 0;
	position: absolute;
	width: 1px;
	height: 20px;
	background-color: #c6c6c6
}

.subnavi-r {
	margin-left: 20px
}

.subnavi-r>div {
	display: flex;
	flex-wrap: wrap;
	column-gap: 30px;
	row-gap: 10px
}

.subnavi-r a {
	font-size: 14px;
	color: #333;
	display: flex
}

.subnavi-r a:hover {
	color: #428ef8
}

.gch-layout {
	background: url(../images/banner_guochanhuanjing@2x.png) no-repeat center;
	background-size: cover
}

.app-layout {
	background-color: #fafcff
}

.gs-layout {
	height: 500px;
	width: 100%;
	background: url(../images/banner_gaishu@2x_f22afe7bb5c34f779e3105e0d12f2efe.png) no-repeat center;
	background-size: cover
}

.app-content {
	padding: 70px 0;
	display: flex;
	justify-content: space-between
}

.app-title {
	width: 500px;
	font-size: 54px;
	color: #000
}

.app-description {
	font-size: 18px;
	color: #000;
	line-height: 36px;
	width: 450px;
	margin-top: 20px
}

.app-keyword {
	margin-top: 10px
}

.app-keyword li {
	font-size: 18px;
	line-height: 30px
}

.app-img {
	width: 600px;
	height: 340px
}

.app-img img {
	width: 100%;
	height: 100%
}

.item-title {
	font-size: 42px;
	color: #000;
	text-align: center
}

.item-layout {
	display: flex;
	justify-content: space-between;
	margin-top: 60px
}

.item-img {
	width: 600px;
	height: 340px
}

.item-img img {
	width: 100%;
	height: 100%
}

.item-content {
	width: 500px
}

.item-content>div:nth-child(1) {
	font-size: 20px;
	color: #000;
	line-height: 34px
}

.item-content>div:nth-child(2) {
	font-size: 18px;
	color: #666;
	margin-top: 20px
}

.item-content>div:nth-child(2) li {
	height: 34px
}

.item-content>div:nth-child(3) {
	margin-top: 20px
}

.res-layout {
	margin-top: 60px;
	display: flex;
	flex-wrap: wrap;
	column-gap: 80px;
	row-gap: 60px
}

.res-item {
	width: 560px
}

.res-item>div:nth-child(1) {
	font-size: 20px;
	color: #2e82f7;
	line-height: 26px
}

.res-item>div:nth-child(2) {
	margin-top: 10px;
	font-size: 16px;
	color: #333;
	line-height: 28px
}

.pro-layout {
	margin-top: 60px
}

.pro-item {
	border-bottom: 1px solid #ccc
}

.pro-item>div:nth-child(1) {
	font-size: 20px;
	color: #000;
	line-height: 26px;
	padding-top: 16px
}

.pro-item>div:nth-child(2) {
	margin-top: 10px;
	padding-bottom: 20px;
	font-size: 16px;
	color: #333;
	line-height: 28px
}

.gs-title {
	width: 100%
}

.gs-description {
	width: 670px;
	margin-top: 50px
}