.main1 .Hbanner-box {
			background: url('../images/bg-exhibition.jpg') no-repeat;
			background-size: 100% 100%;
		}

		.main1 .Hbanner {
			max-width: 1550px;
			margin: auto;
			padding: 80px 0;
		}

		.main1 .Hbanner h1 {
			color: #83DDD9;
			font-family: 'Popins-Bold';
			font-size: 46px;
			margin-bottom: 50px;
		}

		.main1 .Hbanner h1 span {
			color: #FFFFFF;
		}

		.main1 .Hbanner p {
			margin-bottom: 5px;
			color: #fff;
			font-family: 'Popins-Light';
		}

		.main1 .box {
		/*	display: flex;
			flex-direction: column;
			position: absolute;
			right: 30px;
			top: 550px;
			z-index: 10;*/
		}

		.main1 .box a {
			margin: 4px 0;
		}

		.main1 .box img {
			width: 28px;
			height: 28px;
		}
		 
	.main2 div {
		border-right: 0;
		text-align: center;
		padding: 0;
	}
main {
	max-width: inherit;
	margin: auto;
}
	.main2 .ul1 {
		display: flex;
		flex-wrap: wrap;
		padding: 120px 0;
	}

	 

		.main2 .preview-swiper {
			background: #00000070;
			left: 0;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 100;
		}

		.main2 .swiper-container2 {
			position: relative;
			width: 80%;
			left: 10%;
			top: 20%;
		}

		.main2 .swiper-slide {
			text-align: center;
		}

		.main2 .swiper-slide img {
			width: 60%;
		}

	/*	.main2 .preview-swiper .swiper-button-next {
			right: 22%;
		}

		.main2 .preview-swiper .swiper-button-prev {
			left: 22%;
		}

		.main2 .preview-swiper .swiper-button-prev img {
			width: 50px;
		}*/

	/*	.main2 .preview-swiper .swiper-button-next img {
			transform: rotateY(180deg);
			width: 50px;
		}*/

		.main2 .preview-swiper .swiper-button-next::after,
		.main2 .preview-swiper .swiper-button-prev::after {
			display: none;
		}

		.main2 .preview-swiper .off {
			position: absolute;
			right: 20%;
			top: -10%;
			cursor: pointer;
		}

		.main3 {
			max-width: 1640px;
			margin: auto;
		}

		.main3 .box .head {
			display: flex;
			align-items: center;
			justify-content: space-between;
			color: #231814;
			font-family: 'Popins-Bold';
			font-size: 20px;
			margin: 70px 0 20px;
		}

		.main3 .box .head .img1 {
			width: 180px;
			border-right: 1px solid #D0D0D1;
			padding-right: 10px;
			margin-right: 10px;
			height:auto;
		}

		.main3 .box .head .img2 {
			width: 50px;
		}

		.main3 .box .head .left {
			display: flex;
			align-items: center;
		}

		.main3 .box .head .right a {
			background-color: #339E9B;
			color: #fff;
			font-family: 'Popins-Medium';
			padding: 10px 20px;
			border-radius: 8px;
			display: flex;
			align-items: center;
		}

		.main3 .box .head .right a img {
			width: 20px;
			margin-right: 10px;
		}

		.main3 .box .content {
			background-color: #EEEEEE;
			height: 500px;
			width: 100%;
			margin-bottom: 50px;
		}

		.main4 {
			max-width: 1540px;
			margin: auto;
		}
.main2 > ul {
margin:0}

.main4 .box {
	padding: 60px 0;
	display: flex;
	justify-content: space-between;
}

		.main4 .box .left-box {
			width: 49%;
			background-color: #339E9B;
			padding: 70px 50px;
		}

		.main4 .box .left-box h1 {
			color: #fff;
			font-family: 'Popins-Medium';
			font-size: 27px;
		}

		.main4 .box .left-box ul li,
		.main4 .box .left-box p {
			color: #fff;
			font-family: 'Popins-Light';
			position: relative;
			font-size: 16px;
		}

		.main4 .box .left-box ul li::before {
			content: '';
			width: 4px;
			height: 4px;
			position: absolute;
			left: -10px;
			top: 0.6em;
			background: #fff;
			border-radius: 50%;
		}

		.main4 .box .left-box .btn {
			display: flex;
			flex-direction: column;
			max-width: 80%;
			margin: 50px 0;
			padding: 0;
		}

		.main4 .box .left-box .btn button {
			font-family: 'Popins-Light';
			background-color: #339E9B;
			color: #fff;
			border: 1px solid #fff;
			margin: 5px 0;
			padding: 5px 0;

		}

		.main4 .box .left-box .btn button:first-child {
			background-color: #fff;
			color: #339E9B;
		}

		.main4 .box .left-box img {
			width: 100%;
		}

		.main4 .box .right-box {
			width: 49%;
			background-color: #F9F9F9;
			padding: 30px 20px;
		}

		.main4 .box .right-box h1 {
			color: #339E9B;
			font-family: 'Popins-Bold';
			font-size: 19px;
		}

		.main4 .box .right-box p {
			font-size: 10px;
			color: #5F5F5F;
			font-family: 'Popins-Light';
			margin: 20px 0;
		}

		.main4 .box .right-box p a {
			color: #339E9B;
		}

			.main4 .form {
				margin-top: 70px;
				display: flex;
				flex-wrap: wrap;
				justify-content: space-between;
				background: aliceblue;
				padding: 0;
				margin-bottom: 0;
			}

		.main4 .form .form-item {
			width: 49%;
			margin-top: 20px;
		}

		.main4 .form .form-item2 {
			width: 100%;
			margin-top: 20px;
		}

		.main4 .form .form-item h2,
		.main4 .form .form-item2 h2 {
			color: #46413E;
			font-family: 'Popins-Medium';
			font-size: 14px;
		}

		.main4 .form .form-item h2 span,
		.main4 .form .form-item2 h2 span {
			color: #E63842;
		}

				.main4 .form select,
				.main4 .form input {
					width: 100%;
					font-family: 'Popins-Medium';
					font-size: 10px;
					border: 0;
					border-bottom: 1px solid #8A8A8A;
					background-color: transparent;
					outline: none;
					padding: 10px 0;
					border-radius:0;
				}

		.main4 .form select:focus,
		.main4 .form input:focus {
			border-bottom: 1px solid #E63D80;
			color: #8A7575;
		}

		.main4 .form .nochange,
		.main4 .form .nochange::placeholder {
			color: #E50C1D;
		}

		.main4 .form .submit-box {
			display: flex;
			justify-content: flex-end;
			width: 100%;
			margin-top: 50px;
		}

		.main4 .form .submit-box p {
			color: #E50C1D;
			opacity: 0;
		}

		.main4 .form .submit-box .submit {
			color: #fff;
			background-color: #339E9B;
			width: auto;
			padding: 15px 80px;
			margin-left: 40px;
			font-size: 24px;
		}


		.main4 .form .submit-box .submit:focus {
			border: 0;
		}

		.boxx {
			display: flex;
			flex-direction: column;
			position: fixed;
			right: 10px;
			top: 60%;
			z-index: 999;
		}

		.boxx a {
			margin: 4px 0;
		}

		.boxx img {
			width: 28px;
			height: 28px;
		}

		@media screen and (max-width:1080px) {

			.main1 .box {
			/*	display: flex;
				flex-direction: column;
				position: absolute;
				right: 30px;
				top: 550px;
				z-index: 10;*/
			}

			.main1 {
				margin-top: 160px;
			}

			.main4 .box {
				flex-direction: column;
			}

			.main4 .box .left-box,
			.main4 .box .right-box {
				width: calc(100% - 40px);
				margin: 10px 20px;
			}

			.main2 .preview-swiper {
				top: 10%;
			}

			.main2 .preview-swiper .off {
				right: 20%;
				top: -17%;
			}

		}

		@media screen and (max-width:768px) {
			.boxx {
				flex-direction: unset;
				justify-content: space-around;
				width: 100%;
				background-color: #fff;
				bottom: 0;
				right: 0;
				top: auto;
				padding: 10px 0;
			}

			.main3 .box .content {
			height:400px;}


			.main1 .Hbanner {
				padding: 40px 0;
			}

			.main1 .Hbanner-box {
				background-size: cover;
				background-position: center;
			}

			.main1 .Hbanner h1 {
				font-size: 20px;
				margin: 20px 10px;
			}

			.main1 .Hbanner p {
				margin: 10px;
			}

			.main1 .Hbanner .btn {
				display: flex;
				flex-direction: column;
			}

			.main1 .Hbanner .btn .btn1,
			.main1 .Hbanner .btn .btn2 {
				font-size: 16px;
			}

			.main1 .Hbanner .btn .btn2 {
				margin: 20px 0;
			}

			.main4 .box .left-box,
			.main4 .box .right-box {
				padding: 20px;
			}

			.main4 .form .form-item {
				width: 100%;
			}

			.main4 .form .submit-box {
				flex-direction: column-reverse;
				align-items: center;
			}

			.main4 .form .submit-box .submit {
				margin-left: 0;
			}

			.main2 .ul1 {
				padding: 50px 0;
			}

			.main2 .swiper-slide img {
				width: 100%;
			}

			.main2 .swiper-container2 {
				top: 42%;
				overflow-x: clip;
			}

			.main2 .preview-swiper .off {
				top: -20%;
				right: 5px;
				z-index: 10;
				width: 20px;
			}

			.main2 .preview-swiper .off img {
				width: 100%;
			}

			.main2 .preview-swiper .swiper-button-next,
			.main2 .preview-swiper .swiper-button-prev {
				/*	display: none;*/
				width: auto;
			}

			.main2 .preview-swiper .swiper-button-next {
				right: 10%;
			}

			.main2 .preview-swiper .swiper-button-prev {
				left: 10%
			}

			.main3 .box {
				margin: 10px;
			}

			.main3 .box .head {
				flex-direction: column;
				justify-content: center;
			}

			.main3 .box .head .left {
				text-align: center;
				flex-direction: column;
			}

			.main3 .box .head .left .img1 {
				border: 0;
			}

			.main3 .box .head .left>div {
				display: flex;
				align-items: center;
				border-top: 1px solid #D0D0D1;
				margin-top: 10px;
				padding-top: 10px;
				font-size: 18px;
			}

			.main3 .box .head .right {
				margin-top: 20px;
			}

		}