html,
body {
	position: relative;
	height: 100%;
}

body {
	background: #dfdfdf;
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	font-size: 14px;
	color: #000;
	margin: 0;
	padding: 0;
	background-color: #efefef;
	min-width: 1440px;
}

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

@font-face {
	font-family: 'CustomFont';
	src: url('./ZhiMangXing.woff2') format('woff2'),
		url('./ZhiMangXing.woff') format('woff');
	/* 如果有多个字体文件格式，可以依次列出 */
	font-weight: normal;
	font-style: normal;
}

.Card {
	width: 100%;
	display: flex;
}

.Left {
	width: 12.5%;
}

.Center {
	width: 75%;
}

.Right {
	width: 12.5%;
}

.Content {
	width: 87.5%;
}

.nav {
	height: 80px;
	background-color: white;
	align-items: center;
	position: fixed;
	top: 0;
	z-index: 9999;
	margin-bottom: 80px;
}

.navCenter {
	display: flex;
	align-items: center;
}

.centerLogo {}

.centerLogo .navbar-brand {
	font-family: 'CustomFont';
	font-size: 28px;
	color: #1863A4;
}

.centerCentent {
	width: 60%;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.navbar-nav {
	display: flex;
	padding: 0;
	margin: 0;
	list-style: none;
	width: 100%;
	display: flex;
}

.navbar-nav li {
	flex: 1;
	text-align: center;
	font-weight: 600;
	color: black;
}

.navbar-nav li a:hover {
	color: #1863A4;
}

.navRight {
	width: 12.5%;
}

.centerSearch {
	display: flex;
}

.searchImg img {
	width: 30px;
	height: 30px;
	margin: 0 30px;
}

.searchButton button {
	height: 35px;
	width: 80px;
	color: white;
	background-color: #0d6efd;
	border: none;
	outline: none;
	border-radius: 5px;
}

.swiper-slide {
	text-align: center;
	font-size: 18px;
	background: #fff;
}

.swiper-slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	/* 保持图片比例，并覆盖整个容器 */
	transition: transform 0.3s ease;
}

.swiper-slide:hover img {
	transform: scale(1.2);
	/* 放大1.2倍 */
}

/* 动态调整Swiper的高度 */
@media (max-width: 768px) {
	.swiper-slide img {
		height: auto;
		/* 高度自适应 */
	}
}

.cardFloat {
	z-index: 999;
	position: relative;
	top: -80%;
	display: flex;
}

.floatContent {
	display: flex;
}

.floatContent .cardFloatLeft {
	flex: 1;
}

.floatText {
	font-weight: 600;
	font-size: 50px;
	font-family: 'CustomFont';
	color: #1863A4;
	text-align: left;
}

.cardFloatRight {
	float: right;
}

.date-card {
	display: flex;
	width: 350px;
	height: 110px;
	border-radius: 20px;
	opacity: 1;
	background: rgba(255, 255, 255, 0.6);
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 0 10px;
}

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

.date-lift-g {
	font-family: Rubik;
	font-size: 18px;
	font-weight: normal;
	line-height: 25px;
	letter-spacing: 0px;
	color: rgba(0, 0, 0, 0.85);
}

.date-lift-n {
	font-family: Rubik;
	font-size: 12px;
	font-weight: normal;
	line-height: 17px;
	letter-spacing: 0px;
	color: rgba(0, 0, 0, 0.6);
}

.date-time {
	font-family: Rubik;
	font-size: 15px;
	font-weight: normal;
	letter-spacing: 0px;
	color: #000000;
}

.date-time div {
	display: flex;
	height: 100%;
	width: 100%;
	align-items: center;
}

.time-l {
	font-family: Rubik;
	font-weight: 400;
	font-size: 45px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.time-r {
	font-family: Rubik;
	font-weight: 400;
	font-size: 15px;
	display: flex;
	justify-content: center;
	align-items: center;
	text-indent: 1em;
}

.timeNav {
	display: flex;
	align-items: center;
	height: 100px;
}

.timeNavImg img {
	width: 30px;
	height: 30px;
	margin: 0 10px;
}

.timeNav-l {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 18px;
	font-weight: bold;
	line-height: 32px;
	letter-spacing: 0em;
	font-variation-settings: 'opsz' auto;
	color: #000000;
}

.timeNav-r {
	align-items: center;
	text-align: center;
	width: 18%;
}

.timeNav-r-t {
	font-size: 24px;
	font-weight: 600;
}

.timeLocation {
	display: flex;
}

.timeNavText {
	flex-direction: column;
	justify-content: center;
	align-items: center;
	height: 100%;
	text-indent: 1em;
}

.timeNav-lo-ti {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: bold;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000000;
}

.timeNav-lo-de {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #3D3D3D;
}

.mapImg {
	position: relative;
	height: 100%;
	flex: 1;
	overflow: hidden;
}

.mapImg img {
	width: 100%;
	height: 100%;
	-webkit-mask-image: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
	mask-image: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 25%);
	-webkit-mask-size: 200%;
	/* 遮罩初始宽度为两倍 */
	mask-size: 200%;
	-webkit-mask-position: 100% 0;
	/* 遮罩起始位置在右侧 */
	mask-position: 100% 0;
	animation: reveal 3s linear forwards;
	/* 动画持续3秒 */
}

/* 动画 */
@keyframes reveal {
	from {
		-webkit-mask-position: 50% 0;
		mask-position: 50% 0;
	}

	to {
		-webkit-mask-position: 0 0;
		mask-position: 0 0;
	}
}


.nowsInfo {
	background: #2D7ABC;
	height: 490px;
}

.nowsInfo-title {
	margin: 60px 0;
	height: 60px;
	display: flex;
}

.nowsInfo-text {
	flex: 1;
}

.nowsInfo-text-img {
	width: 100px;
	height: 25px;
}

.nowsInfo-text-img img {
	width: 100%;
	height: 100%;
}

.nowsInfo-text-en {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: normal;
	line-height: 32px;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #FFFFFF;
	opacity: 0.2;
}


.nowsInfo-next {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 15px;
	font-weight: normal;
	line-height: 60px;
	text-align: justify;
	/* 浏览器可能不支持 */
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #FFFFFF;
	white-space: nowrap;
}

.newsDetile {
	display: flex;
	height: 310px;
	width: 100%;
}

.newsDetile-list {
	height: 280px;
	width: 15%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	margin-top: 20px;
}

.my-auto {
	flex: 1;
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 16px;
	font-weight: 600;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #FFFFFF;
	opacity: 0.6;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
}

.my-auto.active {
	opacity: 1;
	background-color: rgba(255, 255, 255, 0.1);
	border-left: 3px solid #FFFFFF;
}

.newsDetile-content {
	display: none;
	width: 85%;
	height: 280px;
}

.newsDetile-content.active {
	display: flex;
}

.newsDetile-content-list {
	padding: 0 10px;
        width: 33%;
}

.newsDetile-content-title {
	margin-top: 25px;
	height: 55px;
	display: flex;
	align-items: center;
}

.newsDetile-content-title image {
	width: 30px;
	height: 46px;
}

.newsDetile-content-title span {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 15px;
	font-weight: 600;
	text-align: justify;
	/* 浏览器可能不支持 */
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #FFFFFF;
}

.newsDetile-content-text {
	padding: 20px 0;
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 14px;
	font-weight: normal;
	line-height: 28px;
	text-align: justify;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #FFFFFF;
	text-indent: 2em;
	display: -webkit-box;
	-webkit-line-clamp: 4;
	/* 显示前4行 */
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	height: 100px;
	/* 调整为4行的高度 */
}


.newsDetile-content-next {
	padding: 20px 0;
}

.newsDetile-content-next a {
	color: #FFFFFF;
}

.newsDetile-content-next img {
	margin-left: 5px;
}

.sciencePop {
	background: #ffffff;
	height: 610px;
}

.sciencePop-title {
	margin: 60px 0;
	height: 60px;
	display: flex;
}

.sciencePop-text {
	flex: 1;
}

.sciencePop-text-img {
	width: 100px;
	height: 25px;
}

.sciencePop-text-img img {
	width: 100%;
	height: 100%;
}

.sciencePop-text-en {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: normal;
	line-height: 32px;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000;
	opacity: 0.2;
}


.sciencePop-next {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 15px;
	font-weight: normal;
	line-height: 60px;
	text-align: justify;
	/* 浏览器可能不支持 */
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000;
	white-space: nowrap;
}

.sciencePopDetile {
	display: flex;
}

.rectangle {
	background-color: #2D7ABC;
	height: 400px;
	position: relative;
	width: 25%;
	overflow: hidden;
	opacity: 0;
	transform: translateY(30px);
	margin: 10px;

}


.rectangle.visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 0.5s ease, transform 1s ease;
}

.rectangle:nth-child(1).visible,
.rectangle:nth-child(3).visible {
	transform: translateY(0);
}

.rectangle:nth-child(2).visible,
.rectangle:nth-child(4).visible {
	transform: translateY(0);
}

.rectangle:nth-child(1),
.rectangle:nth-child(3) {
	transform: translateY(-30px);
}

.rectangle:nth-child(2),
.rectangle:nth-child(4) {
	transform: translateY(30px);
}

.rectangle::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	transition: transform 0.4s ease, background-size 0.4s ease;
	z-index: 0;
	/* 确保背景图片在内容后面 */
}

/* 根据每个 rectangle 的不同背景图片设置伪元素的背景 */
.rectange-img{
   width:100%;
   height:400px;
}


/* hover 效果：图片从中心向四周扩展 */
.rectangle:hover::before {
	transform: scale(1.2);
	/* 放大图片 */
}

.aircraft {
	background-position: center;
	background-repeat: repeat;
	background-size: cover;
}

.simulated {
	background-position-x: 50%;
	background-position-y: 35%;
	background-repeat: no-repeat;
	background-size: cover;
}

.intelligent {
	background-position: center;
	background-repeat: repeat;
	background-size: cover;
}

.civil {
	background-position: center;
	background-repeat: repeat;
	background-size: cover;
	transition: background-size 0.3s ease;
}

.rectangle-hover {
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	color: white;
	box-sizing: border-box;
	overflow: hidden;
	height: 160px;
	transition: height 0.4s ease, transform 0.4s ease;
}

.rectangle:hover .rectangle-hover {
	height: 100%;
}

.rectangle-icon {
	display: flex;
	justify-content: center;
}
.rectangle:nth-child(1) .rectangle-icon {
	    background: url("../img/icon-civil.png") no-repeat;
            background-position: center center;
            width: 100%;
            height: 80px;
}
.rectangle:nth-child(2) .rectangle-icon {
	    background: url("../img/icon-air.png") no-repeat;
            background-position: center center;
            width: 100%;
            height: 80px;
}

.rectangle:nth-child(3) .rectangle-icon {
	    background: url("../img/icon-sim.png") no-repeat;
            background-position: center center;
            width: 100%;
            height: 80px;
}

.rectangle:nth-child(4) .rectangle-icon {
	    background: url("../img/icon-intell.png") no-repeat;
            background-position: center center;
            width: 100%;
            height: 80px;
}
.rectangle-icon img {
	width: 30px;
	height: 30px;
	margin-top: 50px;
}

.rectangle-title {
	display: flex;
	justify-content: center;
	font-size: 16px;
	font-weight: 500;
	height: 40px;
	line-height: 40px;
}

.rectangle-detile {
	color: white;
	font-size: 14px;
	line-height: 20px;
	margin-top: 40px;
	transition: height 0.3s ease;
	padding: 0 20px;
	text-indent: 2em;
	display: -webkit-box;
	-webkit-line-clamp: 5;
	/* 显示前4行 */
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	height: 100px;
}

.rectangle-next {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 15px;
	font-weight: normal;
	line-height: 28px;
	text-align: center;
	/* 浏览器可能不支持 */
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	margin-top: 60px;
}

.rectangle-next a {
	color: white;
}


.aircraftDisplay {
	background: url("../img/aircraftDisplayBack.png");
	background-position: center;
	background-repeat: repeat;
	background-size: 100% 100%;
	height: 610px;
}

.aircraftDisplay-title {
	display: flex;
	margin-top: 60px;
	height: 60px;
}

.aircraftDisplay-text {
	flex: 1;
}

.aircraftDisplay-text-img {
	width: 110px;
	height: 25px;
}

.aircraftDisplay-text-img img {
	width: 100%;
	height: 100%;
}

.aircraftDisplay-text-en {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: normal;
	line-height: 32px;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000000;
	opacity: 0.2;
}

.aircraftDisplay-lists {
	display: flex;
	margin: 50px 0;
}

.lists-button {
	width: 130px;
	height: 40px;
	border: 1px solid #000000;
	display: flex;
	justify-content: center;
	align-items: center;
	border-radius: 30px;
	margin-right: 30px;
	text-indent: 0.5em;
}

.button-active {
	background: #2D7ABC;
	border: none;
}

.aircraftDisplay-video {
	display: none;
	height: 250px;
}

.aircraftDisplay-video.active {
	display: flex;
}

.waterfall {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	justify-content: flex-start;
}

.video-card {
	width: 260px;
	background: #fff;
	border-radius: 8px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
	overflow: hidden;
	margin-bottom: 20px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.video-card video {
	width: 100%;
	height: 160px;
	object-fit: cover;
	background: #000;
}

.video-title {
	padding: 10px 8px;
	font-size: 16px;
	color: #222;
	text-align: center;
}


.video-detile {
	width: calc((100% - 3 * 40px) / 4);
	margin-right: 40px;
	position: relative;
}

.video-detile:last-child {
	margin-right: 0;
}

.video-detile-img {
	width: 100%;
	height: 200px;
	position: relative;
	overflow: hidden;
	/* 确保图片不会超出容器 */
}

.video-detile-img-1 {
	width: 100%;
	height: 100%;
	transition: transform 0.4s ease;
	/* 添加过渡效果 */
}

.video-detile-img-2 {
	position: absolute;
	/* 使用绝对定位 */
	bottom: -10%;
	left: 12%;
	width: 50px;
	height: 50px;
	display: none;
	transform: translate(-50%, -50%);
	transition: display 0s 0.4s;
	/* 延迟显示 */
}

.video-detile:hover .video-detile-img-1 {
	transform: scale(1.1);
	/* hover 时放大图片 */
}

.video-detile:hover .video-detile-img-2 {
	display: block;
}

.video-detile-text {
	height: 50px;
	display: flex;
	line-height: 50px;
}

.video-detile-text-l {
	flex: 1;
}


.aviationKnowledge {
	height: 660px;
	background-color: white;
}

.aviationKnowledge-title {
	margin-top: 60px;
	height: 60px;
	display: flex;
}

.aviationKnowledge-text {
	flex: 1;
}

.aviationKnowledge-text-img {
	width: 110px;
	height: 25px;
}

.aviationKnowledge-text-img img {
	width: 100%;
	height: 100%;
}

.aviationKnowledge-text-en {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: normal;
	line-height: 32px;
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000000;
	opacity: 0.2;
}

.aviationKnowledge-next-text {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 15px;
	font-weight: normal;
	line-height: 28px;
	text-align: justify;
	/* 浏览器可能不支持 */
	letter-spacing: 0em;
	font-variation-settings: "opsz" auto;
	color: #000000;
}

.aviationKnowledge-next {
	justify-content: center;
	align-items: center;
}

.aviationKnowledge-content {
	display: flex;
	height: calc(100% - 180px);
}

.aviationKnowledge-lists {
	width: calc((100% - 40px) / 2);
	margin-right: 40px;
	margin-top: 60px;
}

.aviationKnowledge-lists:last-child {
	margin-right: 0;
}

.aviationKnowledge-lists-img {
	width: 100%;
	height: 305px;
	position: relative;
	overflow: hidden;
	/* 防止图片溢出容器 */
}

.aviationKnowledge-lists-img-1 {
	width: 100%;
	height: 100%;
	transition: transform 0.4s ease;
	/* 平滑过渡 */
}

.aviationKnowledge-lists:hover .aviationKnowledge-lists-img-1 {
	transform: scale(1.1);
	/* 从中心放大 */
}

.aviationKnowledge-detile-img-2 {
	position: relative;
	bottom: 60px;
	left: 6px;
	width: 50px;
	height: 50px;
	visibility: hidden;
}

.aviationKnowledge-lists:hover .aviationKnowledge-detile-img-2 {
	visibility: unset;
	opacity: 1;
	/* 显示播放按钮 */
}

.aviationKnowledge-detile-text-l {
	font-family: Alibaba PuHuiTi 3.0;
	font-size: 20px;
	font-weight: 600;
	line-height: 32px;
	color: #1f1f1f;
	margin-top: 20px;
}

.aviationKnowledge-detile-text {
	height: 45px;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	/* 显示前两行 */
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 22px;
}


.footer {
	background: url("../img/footer.png");
	background-position-x: 70%;
	background-position-y: 35%;
	background-repeat: repeat;
	background-size: cover;
	height: 250px;
	mix-blend-mode: hard-light;
	color: white;
	position: relative;
}

.footer::before {
	content: "";
	position: absolute;
	top: 0;
	/* 调整位置 */
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.6);
	/* 设置模糊层颜色和透明度 */
	filter: blur(4px);
	/* 调整模糊程度 */
	z-index: 1;
}

.footer>* {
	position: relative;
	z-index: 2;
	/* 使内容显示在模糊层之上 */
}

.footer-content {
	height: 100%;
	display: flex;
}

.footer-content-l {
	height: 100%;
	width: 30%;
	display: flex;
	justify-content: center;
	align-items: center;
}

.footer-content-c {
	height: 100%;
	width: 40%;
	display: flex;
}

.footer-content-r {
	height: 100%;
	width: 30%;
}

.content-c {
	width: 33.3%;
	height: 35px;
	line-height: 35px;
	margin-top: 50px;
}

.content-c-title {
	font-size: 20px;
	margin-top: 20px;
}

.content-c-lists {
	font-size: 12px;
}

.content-r-mail {
	margin-top: 70px;
	display: flex;
}

.content-r-mail-text {
	border-radius: 12px;
	height: 70px;
	width: 220px;
	background: #112F49;
	align-items: center;
	display: flex;
}

.content-r-mail-text-img {
	margin: 0 15px;
}

.content-r-mail-text-s {
	font-size: 12px;
}

.content-r-mail-text-x {
	font-size: 17px;
}

.content-r-mail-arrow {
	height: 70px;
	width: 70px;
	border-radius: 12px;
	background: #1863A4;
	display: flex;
	justify-content: center;
	align-items: center;
	margin-left: 50px;
}

.content-r-mail-arrow img {
	width: 14px;
	height: 14px;
}






@media (max-width: 600px) {}