/* 头部背景色 */
body {
	position: relative;
}

.bg-light {
	background-color: #FFFFFF !important;
	box-shadow: -10px 0 8px 1px rgba(0, 0, 0, 0.2);
	width: 100%;
	position: fixed;
	z-index: 999;
}

.nav-link:hover {
	color: #FF6A00 !important;
}

.dropdown-item:hover {
	color: #FF6A00 !important;
}


html {
	font-size: 62.5%;
	font-family: 'helvetica neue', tahoma, arial, 'hiragino sans gb', 'Simsun', sans-serif;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td,
hr {
	margin: 0;
	padding: 0
}

body {
	line-height: 1.333;
	font-size: 12px;
	position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-size: 100%;
	font-family: arial, 'hiragino sans gb', 'microsoft yahei', 'Simsun', sans-serif;
}

li {
	list-style: none
}

a:link,
a:visited {
	text-decoration: none
}


.head-v3 {
	position: fixed;
	z-index: 100;
	width: 100%;
	box-shadow: -10px 0 8px 1px rgba(0, 0, 0, 0.2);
}

.head-v3 .navigation-inner {
	margin: 0 auto;
	width: 100%;
	position: relative;
	height: 70px;
}

.navigation-up {
	height: 70px;
	background: #fff;
}

.navigation-up .navigation-v3 {
	width: 100% !important;
}

.navigation-up .navigation-v3 ul {
	width: 100% !important;
}

.navigation-up .navigation-v3 li {
	float: left;
	font: normal 16px/59px "microsoft yahei";
	color: #fff;
}

.navigation-up .navigation-v3 .nav-up-selected {
	background: #fff;
}

.navigation-up .navigation-v3 .nav-up-selected-inpage {
	background: #fff;
}

.navigation-up .navigation-v3 li h2 {
	font-weight: normal;
	padding: 0;
	margin: 0;
}

.navigation-up .navigation-v3 li h2 a {
	color: #555;
	display: inline-block;
	height: 40px;
	line-height: 40px;
	font-family: "microsoft yahei";
	margin-top: 15px;
}

.navigation-up .navigation-v3 li h2 a:hover {
	color: #FD832C;
	border-bottom: 2px solid #FD832C;
}

.navigation-down {
	position: absolute;
	top: 70px;
	left: 0px;
	width: 100%;
	z-index: 999;
}

.navigation-down .nav-down-menu {
	width: 100%;
	margin: 0;
	background: #fff;
	position: absolute;
	top: 0px;
	box-shadow: -8px 3px 6px 1px rgba(0, 0, 0, 0.2);
}

.navigation-down .nav-down-menu .navigation-down-inner {
	margin: auto;
	width: 100%;
	position: relative;
	display: flex;
	justify-content: space-around;
}

.navigation-down-right {
	width: 88% !important;
	margin-left: 6%;
	padding: 50px 0;
	display: none;
	background-color: #FFFFFF;
}

.show {
	display: block !important;
}

.navigation-down .nav-down-menu dl {
	float: left;
}

.navigation-down .menu-1 dt {
	font: normal 16px "microsoft yahei";
	color: #FD832C;
	padding-bottom: 10px;
	border-bottom: 1px solid #FD832C;
	margin-bottom: 10px;
}

.navigation-down .menu-1 dd {
	line-height: 24px;
}

.navigation-down .menu-1 dd a {
	color: #555;
	/* font-weight: 600; */
	font: 600 15px/30px "microsoft yahei";
}

.navigation-down .menu-1 dd p {
	color: #777;
	font: normal "microsoft yahei";
	margin-bottom: 10px;
}

.navigation-down .menu-1 dd a:hover {
	color: #FD832C;
}

.navigation-down .menu-2 dd a,
.navigation-down .menu-3 dd a {
	color: #555;
	font: normal 16px "microsoft yahei";
}

.siteitem .row dl dd a {
	line-height: 70px;
	font-size: 16px;
}

.col-md-1,
.col-md-2 {
	padding: unset;
}

.dropdown-menu .title {
	color: #FD832C;
	margin: 15px 0 0;
}

.bigdatatlt li{
	width: 44%;
	margin-left: 36%;
}

.bigdatatlt h2,.bigdatatlt a{
	width: 100%;
	text-align: center;
}

@media screen and (max-width: 992px) {
	.navigation-up .navigation-v3 li {
		font: normal 14px/59px "microsoft yahei";
	}
}

@media screen and (max-width: 1199px) {
	.bigdatatlt li{
		width: 54%;
	}
}