html,
body {
	color: #333;
	margin: 0;
	font-family: myriad set pro, helvetica neue, Helvetica, Arial, Verdana, sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-weight: 400;
	font-family: "微软雅黑";
}

* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box
}

a {
	text-decoration: none;
	color: #000
}

img {
	border: 0
}

body {
	background: #fff;
	color: #666
}

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

a {
	text-decoration: none;
	color: #08acee
}

button {
	outline: 0
}

img {
	border: 0
}

button,
input,
optgroup,
select,
textarea {
	margin: 0;
	font: inherit;
	color: inherit;
	outline: none
}

li {
	list-style: none
}

a {
	color: #666
}

a:hover {
	color: #eee
}

.clearfix::after {
	clear: both;
	content: ".";
	display: block;
	height: 0;
	visibility: hidden
}

.clearfix {}

.large-content {
	height: 725px;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center 50%;
	-webkit-transition: all 1s;
	-moz-transition: all 1s;
	-ms-transition: all 1s;
	-o-transition: all 1s;
	transition: all 1s;
	padding: 80px 0;
	background-color: #252525;
}

.large-group {
	width: 60%;
	margin: 0 auto;
	position: relative;
	height: auto;
	top: 50%;
	margin-top: -240px!important;
}

.large-header {
	font-weight: 400;
	text-align: center;
	margin-bottom: 40px;
	color: #fff
}

.large-header em {
	display: block;
	margin-bottom: 14px;
	font-style: normal;
	font-size: 30px
}

.large-switch-circle ul {
	font-size: 16px;
	color: #fff;
	text-align: center
}

.large-switch-circle ul li {
	opacity: .8;
	cursor: pointer;
	margin: 0 20px;
	position: relative;
	display: inline-block
}

.large-switch-circle ul li:hover {
	color: #fff;
	opacity: 1
}

.large-switch-circle ul .on {
	opacity: 1
}

.large-switch-circle ul .on:after {
	content: '';
	width: 20px;
	height: 1px;
	display: inline-block;
	background: #fff;
	position: absolute;
	bottom: -10px;
	left: calc(50% - 10px);
	animation: bigdata-underline-grow both .3s
}

.large-switch-middle {
	/* width: 1180px; */
	width: 100%;
	/* margin-top: 40px; */
	position: absolute;
	z-index: 1
}

.large-switch-middle ul li {
	cursor: pointer;
	width: 234px;
	height: 160px;
	color: #fff;
	overflow: hidden;
	float: left;
	/* margin: .5px; */
	background-image: -webkit-linear-gradient(bottom, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
	background-image: -moz-linear-gradient(bottom, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
	background-image: -moz-linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
	background-image: -o-linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
	background-image: linear-gradient(to top, rgba(47, 42, 65, 0.5) 0%, #2e3d50 100%);
	background-repeat: repeat
}

.large-switch-item {
	opacity: 1;
	-webkit-transition: opacity .3s;
	-moz-transition: opacity .3s;
	-ms-transition: opacity .3s;
	-o-transition: opacity .3s;
	transition: opacity .3s
}

.large-item-img {
	width: 60px;
	display: block;
	text-align: center;
	height: 80px;
	margin: 0 auto;
	-webkit-transition: all .8s;
	-moz-transition: all .8s;
	-ms-transition: all .8s;
	-o-transition: all .8s;
	transition: all .8s
}

.large-item-img img {
	width: 50px;
	height: 50px
}

.large-item-title {
	position: relative;
	text-align: center
}

.large-item-title:after {
	content: '';
	display: block;
	position: absolute;
	width: 20px;
	height: 1px;
	background: #fff;
	bottom: -10px;
	left: calc(50% - 10px)
}

.large-item-text {
	opacity: .4;
	height: 0;
	margin: 20px 0;
	padding: 0 20px;
	text-align: center;
	font-size: 12px;
	overflow: hidden;
	line-height: 20px
}

.large-item-link {
	opacity: 0;
	display: block;
	width: 100px;
	margin: auto;
	color: #fff;
	font-size: 12px;
	text-align: center;
	line-height: 28px;
	border: 1px solid #fff;
	text-decoration: none;
	cursor: pointer;
	-webkit-transition: all .3s;
	-moz-transition: all .3s;
	-ms-transition: all .3s;
	-o-transition: all .3s;
	transition: all .3s
}

.large-switch-middle .large-item-link:hover {
	color: #fff;
	border-color: #108cee;
	background: #108cee
}

.large-switch-middle .large-switch-item:hover {
	background-image: -webkit-linear-gradient(top, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
	background-image: -moz-linear-gradient(top, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
	background-image: -moz-linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
	background-image: -o-linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
	background-image: linear-gradient(to bottom, #406594 0%, rgba(87, 17, 118, 0.4) 100%);
	background-repeat: repeat
}

.large-switch-middle ul li:hover .large-item-img {
	height: 45px;
	-webkit-transition: all .5s;
	-moz-transition: all .5s;
	-ms-transition: all .5s;
	-o-transition: all .5s;
	transition: all .5s;
	margin-top: 15px
}

.large-switch-middle .large-switch-item:hover .large-item-img img {
	width: 30px;
	height: 30px;
	-webkit-transition: all .5s;
	-moz-transition: all .5s;
	-ms-transition: all .5s;
	-o-transition: all .5s;
	transition: all .5s
}

.large-switch-middle .large-switch-item:hover .large-item-text {
	height: initial
}

.large-switch-middle .large-switch-item:hover .large-item-link {
	opacity: 1
}

.large-switch-item .large-item-img {
	margin-top: 50px
}

.large-switch-dx {
	position: relative;
	text-align: center;
	line-height: 212px
}

.large-switch-middle .large-switch-item-clear:hover {}

.large-switch {
	width: 100%
}