html,
body {
	margin: 0;
	padding: 0;
	font-family: Arial, sans-serif;
	height: 100%;
	width: 100%;
}

.box-width {
	width: 80%;
	min-width: 1180px;
	margin: 0 auto;
}

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

.head-container {
	padding: 24px 0 0;
}

.logo-box {
	width: 80%;
	margin: auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.logo-box>a>img {
	min-height: 64px;
}

.search-box {
	display: flex;
	align-items: center;
	max-width: 500px;
	width: 100%;
}

.search-input {
	background-color: #fff;
	border: 1px solid #7EAED6;
	border-radius: 4px;
	flex: 1;
	padding: 10px;
	font-size: 16px;
	outline: none;
}

.search-input::placeholder {
	color: #888;
}

.search-button {
	padding: 10px 20px;
	border: none;
	font-size: 16px;
	cursor: pointer;
	transition: background-color 0.3s ease;
}

.tabs-container {
	background-color: #005BAC;
	margin: 20px auto;
}

.tabs-container .tabs {
	padding: 0;
	margin: 0 auto;
	color: #FEFEFE;
	list-style: none;
	display: grid;
	grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1.5fr 1fr 1fr 1fr;
}

.tabs-container .tabs .tab {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 15px;
	text-align: center;
	cursor: pointer;
	font-size: 16px;
	font-weight: 540;
	letter-spacing: 0.02rem;
	transition: background-color 0.3s ease, color 0.3s ease;
	position: relative;
}

.tabs-container .tabs .tab>a {
	text-decoration: none;
	display: flex;
	align-items: center;
	justify-content: center;
	vertical-align: middle;
	font-size: 0.9rem;
	color: #fff;
	height: 100%;
	width: 100%;
}

.tabs-container .tabs .tab img {
	width: 18px;
	height: 18px;
	margin-right: 6px;
}

.tabs-container .tabs .tab:hover {
	background-color: #007bff;
	color: #fff;
}

.tabs-container .tabs .tab .active {
	background-color: #007bff;
	color: #fff;
	border-bottom: 2px solid #007bff;
}

.dropdown-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	width: 100%;
	list-style: none;
	padding: 0;
	margin: 0;
	background-color: #317BBC;
	opacity: 0.9;
	z-index: 1000;
}

.dropdown-menu li {
	padding: 14px;
	border-bottom: 2px solid #7AABD6;
}

.dropdown-menu li a {
	text-decoration: none;
	color: #FEFEFE;
	display: block;
}

.dropdown-menu li:hover {
	background-color: #007bff;
	font-weight: 540;
	color: #fff;
}

.tab.dropdown:hover .dropdown-menu {
	display: block;
}

.tabs-container .top-banner-line {
	height: 28px;
	background-color: #D9EBFF;
}

.tabs-container .top-banner-box {
	min-height: 420px;
}

.tab-content {
	padding: 20px 0 0;
	background-color: #fff;
	position: relative;
}

/* 新闻动态 */
.tab-content .news {
	margin: auto;
}




ul.news-content-list {
	list-style-type: none;
	margin: 0;
	padding: 0;
}

ul.news-content-list>li:first-child {
	display: grid;
	grid-template-columns: 400px 1fr;
	gap: 10px;
}

ul.news-content-list>li:first-child>a>img {
	width: 400px;
	height: 300px;

}

ul.news-content-list>li:first-child>.listContent-1>.sContent {
	font-size: 20px;
	font-weight: bold;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 1.5;
	max-height: 3em;
}

ul.news-content-list>li:first-child>.listContent-1>p {
	font-size: 14px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    height: 63px;
    margin: 10px 0;
text-indent: 2em;
}

ul.news-content-list>li {
	display: flex;
	grid-template-columns: 1fr 100px;
	gap: 10px;
	color: #101010;
	border-bottom: 1px dotted #BBBBBB;
        justify-content: space-between;
}
.sContent {
    font-size: 20px;
    font-weight: bold;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    max-height: 3em;
}
/* 保持原有的li悬停颜色设置 */
ul.news-content-list>li:hover,
ul.news1-content-list>li:hover,
ul.news-content-list>li:first-child:hover,
.content-inner ul.news-content-list>li:first-child:hover {
	cursor: pointer;
	color: #005BAA;
}

/* 新增：让a标签在li悬停时继承颜色，并去除下划线 */
ul.news-content-list>li:hover .listContent,
ul.news1-content-list>li:hover .listContent {
	color: inherit;
	text-decoration: none;
}

/* 确保所有.listContent都是a标签，并添加默认样式 */
ul.news-content-list .listContent,
ul.news1-content-list .listContent {
	color: inherit;
	/* 继承父级颜色 */
	text-decoration: none;
	/* 去除默认下划线 */
}
ul.news1-content-list>li:hover .white-color{
	color: yellow !important;
}

ul.news1-content-list>li:hover .white-color .white-circle{
	background-color: yellow !important;
}

ul.news-content-list>li>.listContent {
	width: 100%;
	/* 宽度继承父级100% */
	height: 100%;
	/* 高度继承父级100% */
	box-sizing: border-box;
	/* 可选：避免padding/border撑大尺寸 */
        max-width:650px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 50px;
	font-size: 20px;
	font-weight: bold;
}

ul.news-content-list>li>.date {
	line-height: 53px;
	font-size: 16px;
	overflow: hidden;
	max-height: 50px;
       width: 120px;
       text-align: right;
}

ul.news1-content-list {
	list-style-type: none;
	margin: 0;
	padding: 0;
}

ul.news1-content-list>li {
	display: grid;
	color: #101010;
	border-bottom: 1px dotted #BBBBBB;
}

.blue-circle {
	display: inline-block;
	background-color: #005BAC;
	width: 10px;
	height: 10px;
	border-radius: 10px;
	margin-right: 10px;
}

.white-circle {
	display: inline-block;
	background-color: #fff;
	width: 10px;
	height: 10px;
	border-radius: 10px;
	margin-right: 10px;
}

ul.news1-content-list>li>.listContent {
	width: 100%;
	/* 宽度继承父级100% */
	height: 100%;
	/* 高度继承父级100% */
	box-sizing: border-box;
	/* 可选：避免padding/border撑大尺寸 */
	min-width: 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 50px;
	font-size: 20px;
	font-weight: bold;
}

ul.news1-content-list>li>.date {
	padding-top: 10px;
	line-height: 15px;
	font-size: 16px;
	overflow: hidden;
	max-height: 50px;
}

/* 竞赛成就区域容器 */
.competition-achievement {

	margin: 40px auto;
	/* 增加上下间距，避免与其他板块重叠 */
	display: grid;
	grid-template-columns: 1.5fr 1.8fr;
	position: relative;
	z-index: 1;
	/* 确保内容在背景之上 */
}

/* 左侧margin背景 - 仅作用于当前区块 */
.competition-achievement::before {
	content: '';
	position: absolute;
	top: 58px;
	right: 100%;
	/* 定位到容器左侧 */
	width: calc(10vw);
	/* 自适应宽度，占屏幕10% */
	height: 430px;
	background-color: #337cbd;
	/* 左侧margin颜色 */
	z-index: -1;
	/* 背景在内容之下 */
}

/* 右侧margin背景 - 仅作用于当前区块 */
.competition-achievement::after {
	content: '';
	position: absolute;
	top: 0;
	left: 100%;
	/* 定位到容器右侧 */
	width: calc(9.94vw);
	/* 自适应宽度，占屏幕10% */
	height: 100%;
	background-color: #e5eef7;
	/* 右侧margin颜色 */
	z-index: -1;
	/* 背景在内容之下 */
}

/* 左侧元素 - 占比50%并倾斜 */
.competition-achievement-left {
	flex: 0 0 50%;
	transform: skewX(-15deg);
	/* 向左倾斜 */
	background-color: #337cbd;
	/* 左侧元素背景色 */
	padding: 30px;
	box-sizing: border-box;
	margin-left: -58px;
	margin-top: 58px;
	height: 430px;
}

/* 右侧元素 - 占比50%并倾斜 */
.competition-achievement-right {
	flex: 0 0 50%;
	transform: skewX(-15deg);
	/* 向右倾斜 */
	background-color: #e5eef7;
	/* 右侧元素背景色 */
	padding: 30px;
	box-sizing: border-box;
	margin-right: -80px;
}

.white-color {
	color: white !important;
}

/* 内容容器 - 抵消倾斜，确保内容不倾斜 */
.content-inner {
	transform: skewX(15deg);
	/* 抵消左侧倾斜 */
	color: #fff;
	padding: 0 40px;
}

.competition-achievement-right .content-inner {
	transform: skewX(15deg);
	/* 抵消右侧倾斜 */
}


.content-inner ul.news-content-list>li:first-child {
	display: grid;
	grid-template-columns: 219px 1fr;
	gap: 10px;
}


.content-inner ul.news-content-list>li:first-child>a>img {
	width: 219px;
	height: 169px;

}

.listContent-1>p {
	font-size: 14px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    height: 63px;
    margin: 10px 0;
text-indent: 2em;
}




.dachuang-video {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	margin: 20px auto 40px;
}

.dachuang-videot-left {}

.dachuang-content {
	display: grid;
	grid-template-columns: 2fr 1fr;
	background: linear-gradient(to bottom, #005BAC, #448AE8);
	overflow: hidden;
	color: #fff;
	border-radius: 16px;
	height: 215px;
	text-decoration: none
}

.dachuang-content div {
	font-size: 35px;
	text-align: center;
	padding: 60px 20px 0;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 1.5;
	max-height: 3em;
}

.dachuang-content img {
	margin-top: 10px;
	height: 215px;
}

.dachuang-content:hover img {
	transform: scale(1.05);
}




.news-tit-box .news-tit-top.unsetline::after {
	border-bottom: unset
}

.dachuang-video-right {}

.video-content {
	display: flex;
	justify-content: space-around;
	gap: 10px;
}

.video-container {
	position: relative;
	width: 50%;
	/* 视频宽度 */
	height: 215px;
	/* 视频高度 */
	background-color: #000;
	/* 背景色（视频加载前显示） */
	cursor: pointer;
	overflow: hidden;
}

/* 视频元素 */
.video-container img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	/* 保持视频比例并填充容器 */
}

/* 遮罩层 */
.video-mask {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	/* 半透明黑色遮罩 */
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	transition: opacity 0.3s ease;
}

/* 播放按钮 */
.play-btn {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	background-color: rgba(255, 255, 255, 0.9);
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 5px;
	transition: transform 0.3s ease;
}

/* 三角形播放图标（用边框实现） */
.play-btn::after {
	content: '';
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 10px 0 10px 18px;
	border-color: transparent transparent transparent #333;
	margin-left: 5px;
	/* 微调三角形位置 */
}

/* 遮罩层文字 */
.mask-text {
	color: white;
	font-size: 18px;
	font-weight: 500;
}

/* 鼠标悬停效果 */
.video-container:hover .play-btn {
	transform: scale(1.1);
	/* 按钮放大 */
}

/* 视频播放时隐藏遮罩 */
.video-container.playing .video-mask {
	opacity: 0;
	pointer-events: none;
	/* 遮罩隐藏后不拦截点击 */
}




.outstanding-engineers {
	background-color: #f6f6f6;
	padding: 40px 0;

}


.news-tit-box-center {
	text-align: center;
}

.news-tit-box-center .news-tit_1 {
	font-family: "黑体", Arial, sans-serif;
	font-weight: bold;
	font-size: 28px;
	color: #005BAA;
}

.news-tit-box-center .news-tit_2 {
	width: 100%;
	font-family: "黑体", Arial, sans-serif;
	font-weight: bold;
	font-size: 22px;
	color: #B1CDE8;
	z-index: 1;
	min-width: 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.mb-40 {
	margin-bottom: 40px;
}

.pt-40 {
	padding-top: 40px;
}

.outstanding-engineers-content {
	display: grid;
	grid-template-columns: 3fr 2fr;
	gap: 40px;
}

.outstanding-engineers-content-left {
	display: grid;
	grid-template-columns: 2fr 1.8fr 2fr;
	gap: 10px;

}


.outstanding-engineers-content-left .img-content {
	background-color: #fff;
	overflow: hidden;
	height: 160px;
	text-align: center;
}

.outstanding-engineers-content-left .img-content>div {
	background-color: #fff;
	overflow: hidden;
}

.outstanding-engineers-content-left .img-content:nth-child(4),
.outstanding-engineers-content-left .img-content:nth-child(5),
.outstanding-engineers-content-left .img-content:nth-child(6) {
	height: 138px;
}

.outstanding-engineers-content-left .img-content .img {
	width: 100%;
}

.outstanding-engineers-content-left .img-content:hover img {
	transform: scale(1.05);
}

.outstanding-engineers-content-right ul.news-content-list>li:first-child {
	display: grid;
	grid-template-columns: 1fr 100px;
	gap: 10px;
	color: #101010;
	border-bottom: 1px dotted #BBBBBB;
}


.news-tit-box {

	padding: 4px 16px;
	position: relative;
}

.news-tit-box .news-tit-top {
	width: 100%;
	display: flex;
	flex-direction: row;
	align-items: flex-end;
	justify-content: space-between;
}

.news-tit-box .news-tit-top::after {
	content: '';
	position: absolute;
	top: -33px;
	left: 130px;
	width: calc(100% - 130px);
	height: 100%;
	border-bottom: 2px dotted #80ADD6;
	z-index: 1;
}

.news-tit-box .news-tit-top .news-tit_1 {
	font-family: "黑体", Arial, sans-serif;
	font-weight: bold;
	font-size: 28px;
	color: #005BAA;
	z-index: 2;
	position: relative;
}




.news-tit-box .news-tit-top .news-tit-more {
	font-weight: 540;
	font-size: 16px;
	z-index: 3;
}

.news-tit-box .news-tit-top .news-tit-more>a {
	text-decoration: none;
	display: inline-block;
	
	text-align: right;
	font-weight: 540;
	font-size: 16px;
	color: #005BAA;
	line-height: 30px;
}

.news-tit-box .news-tit-top .news-tit-more:hover{
	cursor: pointer;
}

.news-tit-box .news-tit-bottom .news-tit_2 {
	width: 100%;
	margin-left: 20px;
	font-family: "黑体", Arial, sans-serif;
	font-weight: bold;
	font-size: 22px;
	color: #B1CDE8;
	z-index: 1;
	min-width: 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.news-tit-box .news-tit-right {
	width: 100%;
	display: flex;
	align-items: flex-end;
}





.news-info-box {
	min-width: 1180px;
	display: grid;
	grid-template-columns: 3fr 2fr;
	gap: 40px;
	margin: 32px auto;
}

.news-info-box .news-info-left {
	box-sizing: border-box;
	min-height: 390px;

}

.news-info-box .news-info-right {
	box-sizing: border-box;
	width: 100%;
}

.news-info-box .news-info-right .item-right-news-container {
	width: 100%;
	min-height: 100px;
	max-height: 102px;
	display: flex;
	flex-wrap: wrap;
}

.news-info-box .news-info-right .item-right-news-container .item-right-news-box {
	width: 47%;
	margin: auto;
	box-sizing: border-box;
	text-decoration: none;
	padding: 6px 4px;
	min-height: 98px;
	max-height: 102px;
	border-bottom: 1px solid #e1e1e1;
	color: #000;
}

.news-info-box .news-info-right .item-right-news-container .item-right-news-box:hover {
	color: #0067B2;
}

.news-info-box .news-info-right .item-right-news-container .item-right-news-box>h3 {
	font-size: 16px;
	word-break: break-all;
	font-weight: 400;
	overflow: hidden;
	text-overflow: ellipsis;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	white-space: nowrap;
}

.news-info-box .news-info-right .item-right-news-container .item-right-news-box .item-right-news-date {
	display: flex;
	align-items: center;
	font-family: Arial;
	font-size: 14px;
	color: #999;
	line-height: 25px;
}

.tab-content .news .news-info-box .news-info-right .item-right-news-container .item-right-news-box .item-right-news-date>img {
	margin-right: 4px;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box {
	height: 64px;
	width: 100%;
	position: relative;
	overflow: hidden;
	margin-bottom: 12px;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box {
	text-decoration: none;
	height: 100%;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	color: #343434;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box:hover {
	width: 100%;
	margin-bottom: 18px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	position: absolute;
	right: 0;
	top: 0;
	transform: scale(1.1);
	color: #fff;
	transform-origin: left center;
	background-color: #005BAA;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box .news-item-left {
	width: 140px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	position: relative;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box .news-item-left .news-day_1 {
	font-family: SimSun, 宋体, Arial, sans-serif;
	font-weight: bold;
	font-size: 22px;
	margin-bottom: 6px;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box .news-item-left .news-day_2 {
	font-family: SimSun, 宋体, Arial, sans-serif;
	font-weight: bold;
	font-size: 18px;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box .news-item-line {
	width: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	height: 70%;
	font-size: 26px;
	margin-right: 16px;
}

.tab-content .news .news-info-box .news-info-right .news-item-parent-box .news-item-box .news-item-right {
	-webkit-line-clamp: 1;
	-webkit-box-orient: vertical;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	letter-spacing: 0.05rem;
	width: 100%;
	font-family: SimSun, 宋体, Arial, sans-serif;
	font-weight: bold;
	font-size: 22px;
	margin-top: 4px;
}


/* 底部 */
.footer {
	height: 330px;
	background-image: url('../images/footer_bg.png');
	background-color: rgb(0, 91, 172);
	background-repeat: no-repeat;
	background-size: 100% 100%;
}

/* 底部样式调整 */
.footer .content {
	width: 80%;
	min-width: 1180px;
	margin: 0px auto;
	padding: 50px 0 0px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
}

.footer .contentTop {
	width: 100%;
	text-align: left;
	margin-top: 20px;
}

.footer .contentBottom {
	width: 100%;
	margin-top: 20px;
}

.footer .item-tip {
	display: block;
	margin-bottom: 10px;
	text-align: left;
	font-size: 16px;
	color: white;
	font-weight: 550;
}

.address-row {
	display: flex;
	justify-content: space-between;
	margin-bottom: 10px;
	font-size: 16px;
	color: white;
	font-weight: 550;
}

.copyright {
	text-align: center;
	font-size: 14px;
	color: white;
	font-weight: 440;
}

.link-tit {
	font-size: 22px;
	color: #fff;
	font-weight: bold;
}

.footer-right{
	padding-top: 35px;
}

.link-container {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 10px;
}

.link-container .link-content-box {
	width: 100%;
	height: 55px;
	overflow: hidden;
}

.link-container .link-content-box img {
	width: 100%;
	height: 100%;
}