*{
	margin: 0;
	padding: 0;
	font-family: "微软雅黑";
}
#cas{
	position: fixed;
	top: 0;
	z-index: 5;
}
li{
	list-style: none;
}
header{
	position: absolute;	
	top: 0;
	width: 100%;
	min-width: 1200px;
	height: 600px;
	z-index: 2;
}	
header div{
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 3;
	background: rgba(0,0,0,0.05) url('img/1.png') 0 0 ;
}
header img{
	position: relative;
	width: 100%;
	height: 100%;
	max-width: 1920px;
	z-index: 1;
}
nav {
	width: 100%;
	z-index: 999;
    display:block;
}
.fixed {
	position: fixed;
	top: 6px;
}
nav div{
	max-width: 1200px;
	height: 64px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-radius: 4px;
	background: #fff;
	color: #333;
}
nav div ul{
	display: flex;
	justify-content: space-around;
}
nav div .nav{
	display: flex;
	align-items: center;
	width: 488px;
	margin-right: 86px;
}
nav div ul li{
	display: flex;
	align-items: center;
	color: #333;
}
nav div ul li a:hover{
	border-bottom: 2px solid #333;
}
nav div ul li a{
	text-decoration: none;
	font-size: 16px;
	letter-spacing: 1px;
	border-bottom: 2px solid transparent;
	color: #333333;
	transition: all 1s ease;
}
nav div ul li p a{
	font-size: 16px;
}
.logo {
	width: 241px;
	height: 53px;
	margin-left: 10px;
}
.login{
	width: 190px;
	margin-right: 10px;
}

/*

banner

*/
#header{
	position: relative;
	z-index: 99;
}

.logoBanner{
	width: 1200px;
	height: 400px;
	margin: 200px auto 0;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.logoBanner img{
	width: 122px;
	height: 122px;
	border-radius: 50%;
	background: #2b82cb;
	margin-bottom: 64px;
}
.logoBanner p{
	font-size: 24px;
	line-height: 1;
	letter-spacing: 2px;
	color: #fefefe;
	margin-bottom: 60px;
}
.logoBanner button{
	width: 133px;
	height: 32px;
	border-radius: 10px;
	border: solid 2px #ffffff;
	font-size: 14px;
	letter-spacing: 1px;
	outline: none;
	color: #fefefe;
	background: transparent;
	transition: all 1s ease;
}
.download div button:nth-child(2),
.logoBanner button:nth-child(2){
	margin: 0 54px;
}
/*

	文字描述TDC

*/
.font{
	height: 396px;
	max-width: 626px;
	background: #fff;
	margin:0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	overflow: hidden;
}
.font h4{
	font-size: 24px;
	line-height: 1;
	letter-spacing: 1px;
	margin:50px 0 26px; 
}
.font p{
	font-size: 14px;
	color: #000000;
	line-height: 24px;
	letter-spacing: 1px;
	text-align: center;
}
/*
	
	下载中心

*/
.download{
	width: 100%;
	height: 570px;
	overflow: hidden;
	background: url("img/2.png") 0 0;
}
.download > p{
	font-family: Arial;
	font-size: 24px;
	letter-spacing: 5px;
	color: #ffffff;
	text-align: center;
	margin: 52px 0 12px; 
}
.download div{
	position: relative;
	max-width: 1200px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin:0 auto;
	z-index: 11;
}
.download div ul li{
	display: flex;
	margin:0 auto; 
	align-items: flex-start;
	justify-content: center;
}
.download div ul li img{
	height: 70px;
}
.start{
	height:70px;
}
.download div ul .left_li img{
	margin-left: 66px;
}
.download div ul .right_li img{
	margin-right: 62px;
}
/*
	
	合作伙伴	

*/
.posPartner{
	height: 598px;
	width: 1200px;
	margin: 0 auto;
}
.partner{
	position: absolute;
	top: 0;
	height: 598px;
	z-index: 10;
}
.partnerBox{
	position: absolute;
	height: 598px;
	z-index: 11;
}
.partnerBox p{
	font-size: 24px;
	line-height: 1;
	letter-spacing: 2px;
	color: #000000;
	text-align: center;
	margin:55px 0 38px;
}
.partnerBox div{
	width: 1200px;
	margin:0 auto;
}
.partnerBox div ul{
	display: flex;
	align-items: center;
	justify-content: flex-start;
	flex-wrap: wrap;
}
.partnerBox div ul li{
	width: 164px;
	height: 80px;
	margin-right: 36px;
}
.partnerBox div ul li a{
	display: inline-block;
	width: 100%;
	height: 100%;
}
.partnerBox div ul li img{
	width: 164px;
	height: 80px;
    transition: all 1s ease;
	box-shadow: 0px 10px 20px 0px rgba(0,0,0,.4);
}
.partnerBox div:nth-child(2) ul li{
	margin-bottom: 43px;
}
.partnerBox div ul li img:hover{
    transform: translate3d(0,-10px,0);
}
/*
	
	footer	

*/

footer{
	width: 100%;
	height: 500px;
	position: relative;
	overflow: hidden;
}
.footerBG{
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 4;
	background-image: linear-gradient(-45deg, 
		#44c7df 0%,
		#1f6094 100%), 
	linear-gradient(
		#f8b551, 
		#f8b551);
}
.footerFont{
	width: 100%;
	margin:0 auto;
	position: absolute;
	top: 0;
	z-index: 9;
}
.footerFont p{
	text-align: center;
	color: #FFF;
}
.footerFont p:first-child{
	font-size: 36px;
	line-height: 1;
	margin:123px 0 40px;
	letter-spacing: 3px;
}
.footerFont ul{
	position: relative;
	max-width: 1200px;
	margin:0 auto;
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 11;
}
.footerFont ul li{
	width: 56px;
	height: 56px;
	position: relative;
}
.footerFont ul li:nth-child(2){
	margin:0 34px; 
}
.footerFont p:nth-child(3){
	font-size: 16px;
	letter-spacing: 1px;
	color: #ffffff;
	margin:48px 0 18px;
}
.footerFont a{
	display: block;
	max-width: 1200px;
	font-size: 16px;
	margin: 0 auto;
	text-align: center;
	text-decoration: none;
	letter-spacing: 1px;
	color: #fff;
}

button:hover{
	background: rgba(255,255,255,0.4);
}
.footerFont ul li img:first-child{
	position: absolute;
	top: 0;
	opacity: 1;
	z-index: 9;
}
.footerFont ul li img:nth-child(2){
	position: absolute;
	top: 0;
	opacity: 0;
	z-index: 9;
}
.showImg li img{
	transition: all 1s ease;
}
.showImg li:first-child:hover .showleftImg{
	opacity: 0;
}
.showImg li:first-child:hover .leftImg{
	opacity: 1;
}
.showImg li:nth-child(2):hover .showcentImg{
	opacity: 0;
}
.showImg li:nth-child(2):hover .centImg{
	opacity: 1;
}
.showImg li:nth-child(3):hover .showrightImg{
	opacity: 0;
}
.showImg li:nth-child(3):hover .rightImg{
	opacity: 1;
}
.events_sec {
	background: url("img/bg_1.jpg") no-repeat center top;
}

.events_sec .content {
	height: 824px;
	background: url("img/main_1.jpg") no-repeat center top;
	padding-top: 136px;
}

.events_sec h3 {
	background: url("img/ic_events.png") no-repeat -40px -132px;
	width: 334px;
	height: 115px;
	margin: 0 auto;
}

.events_list {
	padding-top: 10px;
}

.events_list .ic_time {
	display: block;
	background: url("img/ic_events.png") no-repeat -428px -30px;
	width: 38px;
	height: 68px;
	margin: 0 auto;
}

.events_list .ic_arr {
	display: block;
	background: url("img/ic_events.png") no-repeat -476px -38px;
	width: 38px;
	height: 59px;
	margin: 0 auto;
	position: relative;
	top: -14px;
}

.events_list ul {
	position: relative;
}

.events_list li {
	position: relative;
	height: 68px;
}

.events_list .ic_events {
	position: absolute;
	width: 51px;
	height: 68px;
	top: 0;
	overflow: hidden;
}

.events_list .txt_events {
	font-size: 18px;
	line-height: 22px;
	color: #fff;
	position: absolute;
	white-space: nowrap;
	top: -12px;
	text-shadow: 0 0 8px #1890ff;
}

.events_list .txt_events strong {
	display: block;
	font-size: 30px;
	line-height: 34px;
	font-weight: 400;
}

.events_list .right_li {
	margin-left: 50%;
}

.events_list .right_li .ic_events {
	left: -7px;
	background: url("img/ic_events.png") no-repeat -396px -116px;
}

.events_list .right_li .txt_events {
	left: 56px;
}

.events_list .left_li {
	text-align: right;
	width: 50%;
}

.events_list .left_li .ic_events {
	right: -7px;
}

.events_list .left_li .ic_events i {
	position: absolute;
	top: 0;
	right: 0;
	width: 51px;
	height: 68px;
	background: url("img/ic_events.png") no-repeat -460px -116px;
}

.events_list .left_li .txt_events {
	right: 56px;
}

.events_list .ic_time {
	animation: enttime_effect 1s ease both;
	-webkit-animation: enttime_effect 1s ease both;
}

@keyframes enttime_effect {
	0%,18%,45%,72% {
		transform: translateY(0);
		height: 32px;
	}

	36% {
		transform: translateY(-10px);
		height: 32px;
	}

	54% {
		transform: translateY(-5px);
		height: 32px;
	}

	100% {
		height: 68px;
	}
}

@-webkit-keyframes enttime_effect {
	0%,18%,45%,72% {
		-webkit-transform: translateY(0);
		height: 32px;
	}

	36% {
		-webkit-transform: translateY(-10px);
		height: 32px;
	}

	54% {
		-webkit-transform: translateY(-5px);
		height: 32px;
	}

	100% {
		height: 68px;
	}
}

.events_list li:nth-child(1) .ic_events {
	animation: entic_effect .8s 1s linear both;
	-webkit-animation: entic_effect .8s 1s linear both;
}

.events_list li:nth-child(2) .ic_events {
	animation: entic_effect .8s 1.8s linear both;
	-webkit-animation: entic_effect .8s 1.8s linear both;
}

.events_list li:nth-child(3) .ic_events {
	animation: entic_effect .8s 2.6s linear both;
	-webkit-animation: entic_effect .8s 2.6s linear both;
}

.events_list li:nth-child(4) .ic_events {
	animation: entic_effect .8s 3.4s linear both;
	-webkit-animation: entic_effect .8s 3.4s linear both;
}

.events_list li:nth-child(5) .ic_events {
	animation: entic_effect .8s 4.2s linear both;
	-webkit-animation: entic_effect .8s 4.2s linear both;
}

.events_list li:nth-child(6) .ic_events {
	animation: entic_effect .8s 5s linear both;
	-webkit-animation: entic_effect .8s 5s linear both;
}

@keyframes entic_effect {
	0% {
		width: 20px;
		height: 24px;
		opacity: 0;
	}

	40% {
		width: 20px;
		height: 24px;
		opacity: 1;
	}

	100% {
		width: 51px;
		height: 68px;
	}
}

@-webkit-keyframes entic_effect {
	0% {
		width: 20px;
		height: 24px;
		opacity: 0;
	}

	40% {
		width: 20px;
		height: 24px;
		opacity: 1;
	}

	100% {
		width: 51px;
		height: 68px;
	}
}

.events_list li:nth-child(1) .txt_events {
	animation: enttxt_effect .8s 1s linear both;
	-webkit-animation: enttxt_effect .8s 1s linear both;
}

.events_list li:nth-child(2) .txt_events {
	animation: enttxt_effect .8s 1.8s linear both;
	-webkit-animation: enttxt_effect .8s 1.8s linear both;
}

.events_list li:nth-child(3) .txt_events {
	animation: enttxt_effect .8s 2.6s linear both;
	-webkit-animation: enttxt_effect .8s 2.6s linear both;
}

.events_list li:nth-child(4) .txt_events {
	animation: enttxt_effect .8s 3.4s linear both;
	-webkit-animation: enttxt_effect .8s 3.4s linear both;
}

.events_list li:nth-child(5) .txt_events {
	animation: enttxt_effect .8s 4.2s linear both;
	-webkit-animation: enttxt_effect .8s 4.2s linear both;
}

.events_list li:nth-child(6) .txt_events {
	animation: enttxt_effect .8s 5s linear both;
	-webkit-animation: enttxt_effect .8s 5s linear both;
}

@keyframes enttxt_effect {
	0% {
		transform: translateY(-10px);
		opacity: 0;
	}

	100% {
		transform: translateY(0);
		opacity: 1;
	}
}

@-webkit-keyframes enttxt_effect {
	0% {
		-webkit-transform: translateY(-10px);
		opacity: 0;
	}

	100% {
		-webkit-transform: translateY(0);
		opacity: 1;
	}
}

.events_list .ic_arr {
	animation: entarr_effect .6s 5.8s linear both;
	-webkit-animation: entarr_effect .6s 5.8s linear both;
}

@keyframes entarr_effect {
	0% {
		opacity: 0;
	}

	100% {
		opacity: 1;
	}
}

@-webkit-keyframes entarr_effect {
	0% {
		opacity: 0;
	}

	100% {
		opacity: 1;
	}
}

.showImg li,.partnerBox li{
    margin: 0;
}