/* 公共样式表css */
html,body {
    margin: 0;
    font-family: "Microsoft Yahei","Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: normal
}

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


body {
	background: #fff;
}

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;
}



button {
    outline: 0;
}


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

li {
    list-style: none;
}


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

.clearfix {
}

/* 必要布局样式css */
.large-content {
	height: 100%;
	background-size: cover;
	background-position: center;
	-webkit-transition: all 1s;
	-moz-transition: all 1s;
	-ms-transition: all 1s;
	-o-transition: all 1s;
	transition: all 1s;
	width: 100%;
	padding-top: 80px;
	padding-right: 0;
	padding-bottom: 80px;
	padding-left: 0;
	background-image: url(../images/port-bg.png);
	background-repeat: no-repeat;
}

.large-group {
	width: 100%;
	position: relative;
	height: auto;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}




.large-header em {
font-size: 45px;
	line-height: 50px;
	color: #333;
	text-align: center;
	width: 100%;
	margin-top: 100px;
	margin-bottom: 50px;
}

.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: 100%;
	margin-top: 40px;
}
@media screen and (min-width:1025px) {
	.large-header {
	font-size: 36px;
	line-height: 50px;
	color: #FFF;
	text-align: center;
	width: 100%;
	margin-bottom: 40px;
	background-image: url(../images/home__title__icon.png);
	background-repeat: no-repeat;
	background-position: center bottom;
	padding-bottom: 16px;
}
.large-header-b {
	font-size: 36px;
	line-height: 50px;
	color: #000;
	text-align: center;
	width: 100%;
	margin-bottom: 40px;
	background-image: url(../images/home__title__icon.png);
	background-repeat: no-repeat;
	background-position: center bottom;
	padding-bottom: 16px;
}
.large-switch-middle ul li {
	cursor: pointer;
	width: 19%;
	height: 210px;
	color: #fff;
	overflow: hidden;
	float: left;
	margin: 0.5px;
	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;
}
}
@media screen and (max-width:1024px) {
.large-switch-middle ul li {
	cursor: pointer;
	width: 49%;
	height: 210px;
	color: #fff;
	overflow: hidden;
	float: left;
	margin: 0.5px;
	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 0.3s;
    -moz-transition: opacity 0.3s;
    -ms-transition: opacity 0.3s;
    -o-transition: opacity 0.3s;
    transition: opacity 0.3s;
}

.large-item-img {

    display: block;
    text-align: center;
    height: 80px;
    margin: 0 auto;
    -webkit-transition: all 0.8s;
    -moz-transition: all 0.8s;
    -ms-transition: all 0.8s;
    -o-transition: all 0.8s;
    transition: all 0.8s;
}

.large-item-img img {
	height: 80px;
}

.large-item-title {
	position: relative;
	text-align: center;
	margin-top: 5px;
}

.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 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
}

.large-switch-middle .large-item-link:hover {
	color: #fff;
	border-top-color: #f49d00;
	border-right-color: #f49d00;
	border-bottom-color: #f49d00;
	border-left-color: #f49d00;
	background-color: #f49d00;
}

.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 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    margin-top: 15px;
}

.large-switch-middle .large-switch-item:hover .large-item-img img {
	width: 50px;
	height: 50px;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-ms-transition: all 0.5s;
	-o-transition: all 0.5s;
	transition: all 0.5s;
	display:none;
}

.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%;
	max-width:1200px;
	margin-right: auto;
	margin-left: auto;
}