@font-face {
	font-family: 'siyuan';
	src: url("../font/SourceHanSansCN-Regular.woff2");
}

@font-face {
	font-family: 'NeoTech';
	src: url("../font/NeoTech.woff2");
}

html {
	overflow-x: hidden;
	overflow-y: auto;
}

body,
a {
	font: 14px/1.5 "microsoft yahei";
	color: #181818;
}

.en-font {
	font-family: "microsoft yahei";
}

.w1200 {
	position: relative;
	width: 1200px;
	margin-left: auto;
	margin-right: auto;
}

.fl {
	float: left;
}

.fr {
	float: right;
}


.header {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 9999;
	width: 100%;
	height: 72px !important;
	background-color: transparent;
}

.header.fixed {
	background-color: #fff;
	border-bottom: 1px solid #eee;
	box-shadow: 0 0 3px #ddd;
}

.header.fixed li.ai-nav .sub-nav {
	background-color: rgba(17, 93, 170, 0.8);
}

.header.fixed li.ai-nav .sub-nav p:hover,
.header.fixed li.ai-nav .sub-nav p.on {
	background-color: rgba(17, 93, 170, 0.8);
}


.on a h6 {
	color: #00c0ff !important;
	font-weight: 600;
}

.header.slide li h6 {
	color: black;
}

.header nav.other .logo {
	margin-left: 0;
}

.header nav.other ul {
	margin-right: 0;
}

.header .logo {
	float: left;
	margin-left: 100px;
	display: block;
	height: 100%;
}

.header .logo img {
	margin-top: 15px;
	width: 190px;
	height: 52px;
}

.header ul {
	float: right;
	margin-right: 100px;
}

.header li {
	float: left;
	height: 72px;
	padding-top: 22px;
	margin: 0 30px;
	text-align: right;
}

.header li.ai-nav {
	position: relative;
}

.header li.ai-nav .sub-nav {
	display: none;
	position: absolute;
	top: 72px;
	left: 50%;
	-webkit-transform: translateX(-50%);
	-ms-transform: translateX(-50%);
	transform: translateX(-50%);
	width: 175px;
	background-color: rgba(33, 56, 75, 0.8);
}

.header li.ai-nav .sub-nav.show {
	display: block;
}

.header li.ai-nav .sub-nav a {
	color: #fff;
	display: block;
	line-height: 50px;
	text-align: center;
	font-size: 18px;
}

.header li.ai-nav .sub-nav p {
	height: 50px;
}

.header li.ai-nav .sub-nav p.on,
.header li.ai-nav .sub-nav p:hover {
	background-color: #0d5baa;
}

.header li a.on {
	color: #0d5baa;
}

.header li:last-child {
	margin-right: 0;
}

.header li h6 {
	font-size: 16px;
	position: relative;
	margin-bottom: 8px;
	color: #fff;
	font-weight: normal;
}

.header li h6:after {
	content: '';
	width: 0;
	height: 4px;
	background-color: #00c0ff;
	position: absolute;
	bottom: -26px;
	left: 50%;
	-webkit-transform: translateX(-50%);
	-ms-transform: translateX(-50%);
	transform: translateX(-50%);
}

.header .nav-icon {
	float: right;
	display: none;
}

.banner-area {
	height: 550px;
	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
}

.banner-area .w1200 {
	display: table;
	height: 100%;
}

.banner-area .word-area {
	display: table-cell;
	vertical-align: middle;
	color: #fff;
}

.banner-area .word-area h3 {
	margin-bottom: 70px;
	position: relative;
	font-size: 34px;
	line-height: 1;
	font-weight: normal;
	text-transform: uppercase;
}

.banner-area .word-area h3:after {
	content: '';
	display: block;
	width: 30px;
	height: 1px;
	background-color: #fff;
	position: absolute;
	bottom: -34px;
	left: 0;
}

.banner-area .word-area h4 {
	font-size: 26px;
	line-height: 1;
	font-weight: normal;
	margin-bottom: 18px;
}

.banner-area .word-area p {
	font-size: 16px;
}


.goTop {
	display: none;
	position: fixed;
	bottom: 10%;
	right: 4%;
	z-index: 9999;
	cursor: pointer;
}


.footer {
	background-color: #f5f5f5;
	padding: 50px 0 60px;
}

.footer dl {
	float: left;
	width: 120px;
	margin-right: 50px;
}

.footer dl a:hover {
	text-decoration: underline;
	color: #115daa;
}

.footer dt {
	margin-bottom: 20px;
}

.footer dt a {
	font-weight: 600;
	display: block;
	font-size: 18px;
}

.footer dd {
	margin-bottom: 10px;
}

.footer dd a {
	display: block;
	font-size: 16px;
	color: #777777;
}

.footer .contact-box {
	float: right;
	width: 260px;
	font-size: 16px;
	color: #777777;
}

.footer .contact-box p:first-child {
	color: #181818;
}

.footer .contact-box h3 {
	margin-top: 5px;
	margin-bottom: 25px;
	color: #181818;
	font-size: 24px;
	line-height: 1;
	font-weight: 600;
}

.footer .copyright {
	margin-top: 60px;
	padding-top: 60px;
	border-top: 1px solid #ddd;
	font-size: 16px;
}


.swiper-button-prev,
.swiper-button-next {
	outline: none;
}

.swiper-button-prev {
	background-image: url("../image/gray-L.png");
}

.swiper-button-next {
	background-image: url("../image/gray-R.png");
}

.mobile-img {
	display: none;
}