html {
	-webkit-text-size-adjust: none;
	overflow-x: hidden
}

html, body {
	height: 100%;
	width: 100%;
	background-color: #fff;
	margin: 0 auto;
	padding: 0;
	font: 14px Microsoft YaHei, "微软雅黑", Lucida, Verdana, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Droid Sans Fallback, SimSun, sans-serif;
	color: #333;
	text-align: left;
	position: relative
}

ul, li {
	padding: 0;
	margin: 0;
	list-style-type: none
}

img {
	border: 0;
	vertical-align: middle
}

h1, h2, h3, h4, h5, h6, form, p {
	padding: 0;
	margin: 0
}

a {
	color: #333;
	text-decoration: none;
	transition: all .4s ease 0s;
	-webkit-transition: all .4s ease 0s;
	-moz-transition: all .4s ease 0s
}

a:hover {
	color: #000;
	text-decoration: none
}

input, textarea, select, button {
	outline: none;
	resize: none;
	vertical-align: middle;
	font: 13px Microsoft YaHei, "微软雅黑", Lucida, Verdana, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Droid Sans Fallback, SimSun, sans-serif
}

html, body {
	scrollbar-face-color: #2d77bf;
	scrollbar-highlight-color: #2d77bf;
	scrollbar-shadow-color: #2d77bf;
	scrollbar-3dlight-color: #2d77bf;
	scrollbar-arrow-color: #2d77bf;
	scrollbar-track-color: #2d77bf;
	scrollbar-darkshadow-color: #2d77bf
}

::-webkit-scrollbar {
	width: 4px;
	height: 8px;
	background-color: #fff
}

::-webkit-scrollbar-track {
	border-radius: 10px;
	background-color: #fff
}

::-webkit-scrollbar-thumb {
	border-radius: 10px;
	background-color: #186ece;
	-webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3)
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
	display: block
}

.flex {
	display: -webkit-box !important;
	display: -webkit-flex !important;
	display: -ms-flexbox !important;
	display: flex !important;
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap
}

.cell {
	-webkit-box-flex: 1;
	-webkit-flex: 1;
	-ms-flex: 1;
	flex: 1;
	width: 0;
	-webkit-flex-basis: 0;
	-ms-flex-preferred-size: 0;
	flex-basis: 0;
	max-width: 100%;
	display: block
}

.flex_column {
	display: flex;
	flex-direction: column;
	justify-content: center
}

.flex_column_center {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center
}

/**/
header {
	background: rgba(255, 255, 255, 0.9);
	height: 76px;
	position: relative;
	box-shadow: 0 4px 6px 4px rgba(100, 100, 100, 0.05);
	backdrop-filter: blur(5px)
}

header .logo {
	position: absolute;
	left: 2%;
	top: 10%;
	bottom: 10%;
	width: 200px;
	background: url('../images/logo.png?v=2026051902') no-repeat 0 center;
	background-size: auto 60%
}

header .login-menu {
	position: absolute;
	right: 2%;
	top: 0;
	bottom: 0
}

header .login-menu a {
	display: inline-block;
	text-align: center;
	width: 100px;
	height: 40px;
	line-height: 40px;
	border-radius: 100px;
	color: #880dc1;
	border: 1px solid #880dc1
}

header .login-menu a:hover {
	border: 1px solid #fff;
	color: #fff;
	background-image: linear-gradient(40deg, #880dc1, #2e86f4);
	opacity: 0.8
}

header.small {
	height: 50px
}

header.small .login-menu a {
	height: 30px;
	line-height: 30px
}

/**/
.home-container {
	background: #fff;
	height: 100%;
	overflow: hidden;
	position: relative
}

.home-container header {
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	z-index: 3;
	transition: all 0.7s ease-out 0s;
	opacity: 0;
	transform: translateY(-100%)
}

.home-container.show header {
	transform: none;
	opacity: 1
}

.home-main-container {
	position: fixed;
	z-index: 900;
	background: #fff;
	left: 0;
	right: 0;
	top: 100%;
	bottom: 0;
	overflow: auto;
	transition: top 0.8s cubic-bezier(0.5, 0, 0.2, 1) 0s
}

.home-main-container.show {
	top: 0
}

.home-main-container header {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	z-index: 300;
	transition: all 0.5s ease-out 0s;
	opacity: 0;
	transform: translateY(-100%)
}

.home-main-container.show header {
	transition: all 0.7s ease-in-out 0.5s;
	transform: none;
	opacity: 1
}

/**/
.main-swiper {
	position: fixed;
	z-index: 800;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0
}

.main-swiper .pagination {
	position: fixed;
	z-index: 800;
	left: 50%;
	bottom: 20px;
	text-align: center;
	transform: translate(-50%, 0)
}

.main-swiper .pagination .swiper-pagination-switch {
	display: inline-block;
	width: 80px;
	height: 2px;
	border-radius: 100px;
	background: rgba(255, 255, 255, 0.3);
	margin: 0 5px;
	cursor: pointer
}

.main-swiper .pagination .swiper-active-switch {
	background: rgba(255, 255, 255, 1);
	height: 4px
}

.main-swiper .arrow-down {
	position: absolute;
	z-index: 100;
	left: 50%;
	bottom: 40px;
	height: 50px;
	width: 50px;
	transform: translate(-50%, 0);
	animation: arrowBounce 1.5s linear infinite;
}

/* 关键帧：弹跳动画（上下移动） */
@keyframes arrowBounce {
	0% {
		transform: translateY(0);
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		transform: translateY(10px);
		opacity: 0;
	}

}

/**/
.section-content .section-title {
	text-align: center;
}

.section-content .section-title .main-title {
	font-size: 40px;
	font-weight: bold;
	color: #000;
}

.section-content .section-title .sub-title {
	text-transform: uppercase;
	font-size: 18px;
	color: #999;
}

.section-content .section-title.white .main-title {
	color: #fff;
}

.section-content .section-title.white .sub-title {
	color: #fff;
}

/**/
.section-academic-exchange {
	height: calc(100vh - 50px);
	background: url('../images/bg.jpg?v=2026051902') no-repeat center center;
	background-size: cover;
	padding-top: 100px;
}

.section-academic-exchange .section-content {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 60px;
	padding: 0 100px;
	margin-top: 30px;
}

.section-academic-exchange .section-content .item {
	margin: 0 20px;
	position: relative;
	height: calc(100vh/2 - 180px);
	background-image: linear-gradient(160deg, rgba(240, 246, 255, 1), rgba(255, 255, 255, 1) 50%);
}

.section-academic-exchange .section-content .item .icon {
	position: absolute;
	z-index: 10;
	right: 0;
	bottom: 0;
	width: 100%;
	height: 100%;
}

.section-academic-exchange .section-content .item:nth-child(1) .icon {
	background: url('../images/1.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item:nth-child(2) .icon {
	background: url('../images/2.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item:nth-child(3) .icon {
	background: url('../images/3.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item:nth-child(4) .icon {
	background: url('../images/4.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item:nth-child(5) .icon {
	background: url('../images/5.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item:nth-child(6) .icon {
	background: url('../images/6.png') no-repeat right bottom;
	background-size: auto 100%;
}

.section-academic-exchange .section-content .item .item-info {
	position: absolute;
	z-index: 100;
	left: 20px;
	top: 20px;
	height: 100px;
}

.section-academic-exchange .section-content .item .item-info .item-title {
	font-size: 34px;
	color: #000;
	font-weight: bold;
}

.section-academic-exchange .section-content .item .item-info .item-desc {
	font-size: 14px;
	color: #999;
	margin-top: 20px;
}

/**/
.solution {
	height: calc(100vh - 50px);
	background: #4bb5ff;
	background-size: cover;
	padding-top: 100px;
}

.solution .section-content {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 60px;
	padding: 0 100px;
	margin-top: 30px;
}

.solution .section-content .item {
	margin: 0 20px;
	position: relative;
	height: calc(100vh - 400px);
	background: #fff;
}

.solution .section-content .item .icon {
	height: calc(100% - 100px);
	background: #333;
}

.solution .section-content .item .item-info {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	padding: 0 20px;
	height: 100px;
}

.solution .section-content .item .item-info .item-title {
	font-size: 34px;
	color: #000;
	padding-top: 10px;
}

.solution .section-content .item .item-info .item-desc {
	font-size: 14px;
	color: #999
}

/**/
.technical-capability {
	height: calc(100vh - 50px);
	background-size: cover;
	padding-top: 100px;
}

.technical-capability .section-content {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 60px;
	padding: 0 100px;
	margin-top: 30px;
}

.technical-capability .section-content .item {
	margin: 0 20px;
	position: relative;
	height: calc(100vh - 400px);
	background: #fff;
}

.technical-capability .section-content .item .icon {
	height: calc(100% - 100px);
	background: #333
}

.technical-capability .section-content .item .item-info {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	padding: 0 20px;
	height: 100px;
}

.technical-capability .section-content .item .item-info .item-title {
	font-size: 34px;
	color: #000;
	padding-top: 10px;
}

.technical-capability .section-content .item .item-info .item-desc {
	font-size: 14px;
	color: #999
}

/**/
.copyrights {
	padding: 100px 0;
	text-align: center;
	font-size: 12px;
}