#app {
	background: #fff;
}

section {
	padding: 9vw 0 9vw 0;
}

.top img {
	width: 100%;
}

.list-group-item {
	background: none;
}

.nav-item {
	width: 8vw;
	height: 2.4vw;
	text-decoration: auto;
}

.nav-item .cl_Dblue {
	text-decoration: auto;
}

.nav-item:hover {
	background: url(../images/cd.png) center/100% no-repeat;
}

.nav-logob {
	width: 12vw;
}

.zindex-nav {
	position: absolute;
	z-index: 120;
}

.zindex-logo {
	position: absolute;
	z-index: 100;
}

.banner-bj {
	height: 55vw;
}

.txt {
	margin-top: 5vw;
}

.logo {
	width: 10%;
	margin: auto;
}

.logoa {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-direction: column;
	flex-wrap: nowrap;
}

.logo .img1 {
	display: block;
	width: 100%;
	margin-bottom: 10px;
}

.logo .img2 {
	display: block;
	width: 75%;
}

.txt img {
	width: 100%;
}

.nav-cl {
	top: 3vw;
}

.nav-cl .cl_Dblue {
	color: #3F6A9D;
}

.nav-item {
	txt-shadow: -0.5vw 0.5vw 0.3vw #888888;
}

.nav-item :hover {
	color: #fff;
}

.s3 {
	width: 83vw;
	margin: auto;
}

.s5 {
	width: 83vw;
	margin: auto;
	padding: 3vw 0;
}

.s3-l {
	width: 15vw;
	padding-left: 2vw;
	padding-right: 2vw;
	line-height: 5vw;
}

.s3-r {
	width: 65vw;
}

.s3 .s3-l .nav-link {
	color: #929292;
}

.nav-pills .nav-link.active {
	background-image: url(../images/s3-l.png);
	color: #fff;
}

.s3 .s3-r {
	padding: 1.5vw 2vw;
	background: url(../images/s3-r.png) center/100% 100% no-repeat;
	;
}

.title-c {
	color: #3F6A9D;
}

.anli-title {
	padding: 12vw 0 0 12vw;
	height: 20vw;
	width: 40vw;
}

.card {
	border: 0px solid rgba(0, 0, 0, .125);
}

.card-title {
	margin-bottom: 0.5vw;
}

#section4 .container {
	width: 83vw;
	max-width: 90vw;
}
#section6{
	width: 100%;
    max-width: 100%;
}
#section6 .container {
	width: 83vw;
	max-width: 90vw;
}

#section7 .container {
	width: 83vw;
	max-width: 90vw;
}

.s7-title {
	letter-spacing: 2vw;
}

.s7-content {
	letter-spacing: 0.3vw;
}

.s7-pic2 {
	margin-top: -10vw;
}

.s7-pic3 {}

.s8-ico {
	width: 5vw;
	margin: auto;
}

.s8 {
	width: 90vw;
}

.s8-box {
	width: 20vw;
	background-color: rgba(255, 255, 255, 0.3);
	border-radius: 3vw;
	padding: 3vw 1vw 2vw 1vw;
}

.dh {
	transform: translateY(100%);
	opacity: 0;
	transition: opacity 1s, transform 1s;
}

.dh.move {
	transform: translateY(0);
	opacity: 1;
	animation-name: slide-in;
	animation-duration: 1.5s;
}

.card-title {
	margin-bottom: 0.5vw;
}

@keyframes slide-in {
	0% {
		transform: translateY(100%);
		opacity: 0;
	}

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

.swiper-container {
	width: 100%;
	height: 100%;
}

.swiper-slide {
	text-align: center;
	font-size: 0.9vw;
	/* Center slide text vertically */
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-box-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
}

.swiper1 {
	width: 90%;
}

.swiper1 .card .card-img-top {
	height: 20vw;
}

.swiper1 .card .card-body {
	height: 10vw;
}

.swiper2 .card .card-img-top {
	height: 45vw;
}

.swiper2 .card .card-body {
	height: 5vw;
}
.swiper3{
	padding: 1vw;
}

.swiper3 .card .card-img-top {
	height: 20vw;
}

.swiper3 .card .card-body {
	height: 10vw;
}

.swiper4 {
	width: 92%;
	height: 75%;
	margin-left: auto;
	margin-right: auto;
	position: relative;
	overflow: hidden;
	list-style: none;
	padding: 0;
	z-index: 1;
	display: block;
}

.swiper4 .event {
	text-align: left;
}

.course-swiper {
	width: 100%;
	height: 100%;
}

.course {
	width: 100vw;
	height: 46vw;
}

.course-top {
	height: 20%;
}

.course-title {
	font-size: 48px;
	font-weight: normal;
	letter-spacing: 0px;
	color: #ffffff;
	margin-left: 7%;
	padding-top: 2vw;
}

.horizontal-line {
	width: 163px;
	height: 5px;
	background: #3F6A9D;
	z-index: 2;
	margin-left: 3%;
	margin-top: -0.3vw;
}

.course-time {
	font-size: 24px;
	font-weight: normal;
	letter-spacing: 0px;
	color: #3F6A9D;
	margin-left: 7%;
}

.course1 {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	flex-direction: column;
	flex-wrap: nowrap;
	justify-content: flex-end;
}

.course2 {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	flex-direction: column;
	flex-wrap: nowrap;
	justify-content: flex-start;
}

.course3 {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	flex-direction: column;
	flex-wrap: nowrap;
	justify-content: center;
}

.split-line {
	width: 2px;
	height: 100%;
	background: #00397e;
	opacity: 0.3;
	position: absolute;
	right: -1vw;
	bottom: 0;
}

.swiper4 .title {
	overflow: hidden;
}

.event-year-num {
	font-size: 7vw;
	float: left;
	color: #5397e9;
}

.event-year-txt {
	color: #ffffff;
	font-size: 2vw;
	float: left;
	margin-top: 24px;
	margin-left: 10px;
}

.swiper4 .event {

}

.event-content {
	margin-top: 1vw;
	width: 20vw;
	line-height: 2vw;
	position: relative;
}

.event-ul {
	color: #3F6A9D;
	font-size: xxx-large;
	list-style-type: none;
	/*去掉默认的项目符号
*/
	padding-left: 0;
	/*去掉左侧填充*/
}

.event-content::before {
	content: '';
	position: absolute;
	left: -2vw;
	top: 1.1vw;
	transform: translateY(-50%); 
	width: 1vw;
	height: 1vw;
	background-color: #5397e9;
	border-radius: 50%;
}

.event-ul .event-txt {
	color: #ffffff;
	font-size: initial;
	letter-spacing: 0.1vw;
	line-height: 2vw;
}

.s8 {
	font-size: 0.8vw;
}