body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, fieldset, lengend, button, input, textarea, th, td {
	margin: 0;
	padding: 0;
   _background-image:url(about:blank);
   _background-attachment:fixed;
}


ul,ol,li {
	list-style: none;
}

a {
	text-decoration: none ; 
    color:#000000 ;
}


.footer {
	background-color: #fff;
	border-top: 1px solid #e1e1e1;
}
.footer-top {
	width: 1200px;
	height: 320px;
	margin: 0 auto;
}
.footer-help ul li {
	margin-top: 45px;
	display: inline-block;
	float: left;
	margin-right: 20px;
	width: 115px;
}
.footer-help ul li:last-child {
	margin-right: 0;
}
.footer-help li dt {
	font-size: 16px;
	margin-bottom: 23px;
}
.footer-help li dt a {
	color: #444;
	transition: all linear .2s;
}
.footer-help li dt a:hover {
	color: #ff8d00;
}
.footer-help li dd {
	font-size: 14px;
	margin-bottom: 8px;
}
.footer-help li dd a {
	color: #888;
	transition: all linear .2s;
}
.footer-help li dd a:hover {
	color: #ff8d00;
}
.footer-contact {
	width: 390px;
	margin-top: 45px;
	float: right;
}
.QRcode {
	float: left;
	text-align: center;
	margin-top: 3px;
	cursor: pointer;
}
.QRcode:hover img {
	animation: rockGo .4s linear 1;
}
@keyframes rockGo {
 0% {
 transform: translateY(0) scale(1.0) rotate(5deg);
}
 25% {
 transform: translateY(-2px) scale(1.02) rotate(-1deg);
}
 50% {
 transform: translateY(0px) scale(1.0) rotate(0deg);
}
 75% {
 transform: translateY(-1px) scale(1.01) rotate(0deg);
}
 100% {
 transform: translateY(0) scale(1.0) rotate(0deg);
}
}
.contact-detail {
	text-align: right;
}
.contact-detail h3 {
	color: #666;
	font-size: 20px;
	font-weight: normal;
	margin-bottom: 20px;
}
.contact-detail p {
	color: #888;
	font-size: 14px;
	line-height: 24px;
}
.contact-detail .help-phone {
	color: #ff8d00;
}
.contact-detail .help-phoneNum {
	color: #ff8d00;
	font-size: 30px;
	margin-top: 10px;
	margin-bottom: 10px;
}
.contact-detail img {
	margin-top: -3px;
	margin-right: 4px;
}
.footer-mid {
	width: 1200px;
	margin: 0 auto;
	border-top: 1px solid #e1e1e1;
	border-bottom: 1px solid #e1e1e1;
	/*text-align: center;*/
	padding-top: 14px;
	padding-bottom: 14px;
}
.footer-mid p {
	/*display: inline-block;*/
	color: #999;
	text-align: center;
	margin-bottom: 5px;
}
.footer-mid ul {
	display: inline-block;
	padding: 0 28px;
}
.footer-mid li {
	/*display: inline-block;*/
	float: left;
	color: #666;
	/*margin-right: 18px;*/
	margin-bottom: 5px;
}
.footer-mid li:after {
	margin-left: 22px;
	content: '|';
	color: #d5d5d5;
	font-size: 12px;
}
.footer-mid li:last-child {
	margin-right: 0px;
}
.footer-mid li:nth-child(10n):after {
	content: '';
	margin-left: 0px;
}
.footer-mid li a {
	color: #666;
	margin-left: 22px;
	display: inline-block;
	/* width: 67px;*/
	text-align: center;
}
.footer-mid li a:hover {
	text-decoration: underline;
}
.footer-btm {
	text-align: center;
	padding-top: 27px;
	padding-bottom: 27px;
}
.footer-btm p {
	color: #999;
}
.footer-btm p span {
	color: #d5d5d5;
	margin-left: 22px;
	transition: all linear .2s;
}
.footer-btm p span:hover {
	color: #ff8d00;
}

.top {
	background-color: #fff;
}
.header, .nav, .advantage, .items, .three, .resource, .lecture, .expert, .partner {
	width: 1200px;
	margin: 0 auto;
}

.nav {
}
.nav ul {
	padding-top: 15px;
	padding-bottom: 15px;
}
.nav > ul > li {
	display: inline-block;
	width: 10.6%;
	text-align: center;
	font-size: 16px;
	color: #666;
	position: relative;
}
.nav .active a {
	-border-top: 2px solid #ff8d00;
	padding-top: 20px;
}
.nav li:hover > a {
	border-top: 2px solid #ff8d00;
	padding-top: 20px;
}
.nav .sub-nav li:hover a {
	border-top: 0;
}
.nav li a {
	transition: height .3s linear;
}
.nav li a:hover {
	color: #e75a03;
}
.nav .active a {
	color: #e75a03;
}
.nav li .sub-nav {
	position: absolute;
	max-height: 0;
	overflow: hidden;
	visibility: hidden;
	opacity: 0;
	transition: all .4s linear;
	box-shadow: 0 0 5px #999;
	/*margin-top: 12px;*/
	margin-bottom: 20px;
	/* padding-top: 12px; */
	/*padding-bottom: 20px;*/
	/* top: -16px; */
	/*z-index: -99;*/
	z-index: 99;
	background: #fff;
}
.nav li .sub-nav li:before {
	/*content: '▸';*/
	margin-left: -20px;
	padding-right: 20px;
	color: #666;
}
.nav li .sub-nav li:first-child:before {
	content: '';
}
.nav li:hover .sub-nav {
	max-height: 1380%;
	visibility: visible;
	opacity: 1;
}
.nav .sub-nav li {
	display: inline-block;
	/*margin-left: -10px;*/
	width: 130px;/*border-bottom: 1px solid;*/
    /*border-color: #cacaca;*/
   /* border-image: linear-gradient( 90deg, #fff, #dadada, #cacaca , #dadada, #fff) 0 0 1 0;*/
    padding-bottom: 15px;
    
}
.nav .sub-nav li:first-child {
	-margin-bottom: 10px;
}
.nav .sub-nav li a {
	-margin-left: -10px;
}
.nav .sub-nav li:first-child a {
	margin-left: 0px;
}
.nav .sub-nav li:first-child {
	margin-left: 0px;
	border-bottom: 0;
}
.nav .sub-nav li span {
	display: block;
	width: 100%;
	height: 12px;
	background: url('../images/mg.png');
	background-repeat: no-repeat;
	background-position: center;
}