.video-back {
	width: 100%;
	height: 100vh;
	object-fit: cover;
	font-family: PingFang SC, Hiragino Sans GB, Microsoft YaHei, Helvetica Neue, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
}

img {
	border: 0;
	display: block;
}

a:visited {
	color: #FFFFFF;
	text-decoration: none;
}

a:link {
	color: #FFFFFF;
	text-decoration: none;
}

a:hover {
	color: #FFFFFF;
	text-decoration: none;
}

a:active {
	color: #FFFFFF;
	text-decoration: none;
}

@media (max-width: 1919px) {
	.head {
		position: absolute;
		top: 20px;
		width: 100%;
		text-align: center;
	}

	.head .title {
		font-size: 30px;
		margin-bottom: 10px;
		font-weight: 600;
		color: #000000;
	}

	.head .sub {
		font-size: 14px;
		margin-bottom: 10px;
	}
}

@media (min-width: 1920px) {
	.head {
		position: absolute;
		top: 20px;
		width: 100%;
		text-align: center;
	}

	.head .title {
		font-size: 50px;
		margin-bottom: 10px;
		font-weight: 600;
		color: #000000;
	}

	.head .sub {
		font-size: 18px;
		margin-bottom: 10px;
	}
}

.bottom2 {
	position: absolute;
	bottom: 20px;
	color: #000000;
	display: flex;
	justify-content: center;
	width: 100%;
	font-size: 12px;
}

.bottom2 a {
	color: #000000;
	margin-left: 10px;
}

.first .more {
	position: absolute;
	bottom: 50px;
	color: #FFFFFF;
	display: flex;
	justify-content: center;
	width: 100%;
}

.first .more img {
	height: 80px;
}

.first .bottom {
	position: absolute;
	bottom: 20px;
	color: #FFFFFF;
	display: flex;
	justify-content: center;
	width: 100%;
	font-size: 12px;
}

.first .bottom a {
	margin-left: 10px;
}

.first .logo {
	position: absolute;
	top: 20px;
	left: 100px;
	display: flex;
	color: #FFFFFF;
	font-size: 14px;
	font-weight: 400;
	align-items: center;
	line-height: 25px;
}

.first .logo img {
	width: 160px;
	margin-right: 10px;
}

.first .nav {
	position: absolute;
	top: 40px;
	display: flex;
	color: #FFFFFF;
	width: 480px;
	right: 8%;
	justify-content: space-between;
	font-size: 18px;
	font-weight: 400;
	color: #FFFFFF;
	letter-spacing: 1px;
	line-height: 30px;
	z-index: 999;

}

.first .nav .active {
	border-bottom: 2px solid #CBAC7F;
}

#section1 {
	margin: 0 0px;
	background: url(../images/session1_bg.jpg?1) no-repeat 100% 100%;
	background-position: 0;
	background-size: 100% auto;

}

.session1 .flex {
	margin-top: 110px;
	margin-bottom: 40px;
	display: flex;
}

.session1 .flex .left {
	width: 300px;
	margin-left: 100px;
}

.session1 .flex .left .item {
	display: flex;
	padding: 10px 10px;
	cursor: pointer;
}

.session1 .flex .left .item .icon {
	margin-right: 10px;
}


.session1 .flex .left .item .select img {
	height: 100px;

}

.session1 .flex .left .item .default img {
	margin-left: 25px;
	height: 60px;

}

.session1 .flex .right {
	/* background-color: #1D7DB1; */
	cursor: pointer;
	flex: 1;
}

.session1 .flex .right .content {
	margin-left: 30px;
}

.session1 .flex .right .active {}

.session1 .flex .right .active .item {
	/* position: absolute;	 */
	margin-left: 10px;

}

.session1 .flex .right .active .itempic {
	width: 100%;
	z-index: 20;
}

.session1 .flex .right .bg {
	position: absolute;
	width: 20%;
	z-index: 0;
}

.session1 .flex .right .bgpic {
	width: 100%;
}

.session1 .flex .right .default {

	margin-left: 10px;
}

.session1 .flex .right .default img {

	width: 100%;
}

.session1 .flex .right .morebar {
	display: flex;
	justify-content: center;
	position: absolute;
	bottom: 60px;
	width: 70%;
	z-index: 500;
}

.session1 .flex .right .morebar img {
	width: 100px;
}

.session2 {
	margin: 100px 10% 40px;
}

.session2 img {
	width: 100%;
}

.session2 .head {}

.session2 .flex {
	margin-top: 20px;
	display: flex;
	justify-content: space-between;
}

.session2 .flex .center {
	text-align: center;
	width: 30%;
}

.session2 .flex .title {
	height: 42px;
	font-size: 24px;
	font-weight: 600;
	color: #CBAC7F;
	line-height: 42px;
}

.session2 .flex .desc {

	font-size: 14px;
	font-weight: 600;
	color: #000000;
	line-height: 22px;
}

.session3 {
	margin: 0 10%;
	display: flex;
	justify-content: center;
	flex-direction: column;
	align-items: center;
}

.session3 .center {
	margin-top: 100px;
	margin-bottom: 40px;
	display: flex;
	justify-content: center;
	align-items: center;

}

.session3 img {
	width: 80%;
}



.swiper-container {
	width: 100%;
	height: 80%;
}

.swiper-slide {
	text-align: center;
	font-size: 18px;
	/* background: #fff; */
	width: 80%;
	/* 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;
	/* transform: scale(0.75); */
}

.swiper-slide-active,
.swiper-slide-duplicate-active {
	transform: scale(1);
}

.swiper-slide:nth-child(1n) {
	width: 40%;

}