/* 集中管理的通用样式：logo */
.team-logo {
	height: 64px;
	width: auto;
	max-width: 200px;
	margin-right: 4px; /* 再次减小 logo 与文字的间距 */
	display: block;
	object-fit: contain;
}

@media (max-width: 768px) {
	.team-logo {
		margin: 0 auto 12px;
		height: 56px;
		max-width: 160px;
	}
}

@media (max-width: 576px) {
	.team-logo {
		margin: 0 auto 10px;
		height: 48px;
		max-width: 140px;
	}
}

/* 页脚样式（从 Main.html 抽取，集中管理） */
.site-footer {
	background-color: #2c3e50;
	color: #bdc3c7;
	padding: 30px 0 15px;
	margin-top: 50px;
}
.footer-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}
.footer-content {
	display: flex;
	justify-content: space-between;
	flex-wrap: nowrap;
	margin-bottom: 20px;
	gap: 30px;
}
.footer-section { 
	flex: 1; 
	min-width: auto; 
	margin-bottom: 0; 
}
.footer-section h3 {
	color: #ecf0f1;
	font-size: 0.95rem;
	margin-bottom: 10px;
	padding-bottom: 8px;
	border-bottom: 1px solid #4a6572;
	font-weight: 600;
}
.footer-section p {
	font-size: 0.85rem;
	line-height: 1.4;
	margin-bottom: 5px;
}
.footer-links { 
	list-style: none; 
	font-size: 0.85rem;
}
.footer-links li { 
	margin-bottom: 5px; 
}
.footer-links a {
	color: #bdc3c7;
	transition: color 0.3s;
	text-decoration: none;
}
.footer-links a:hover { 
	color: #fff; 
}
.copyright {
	text-align: center;
	padding-top: 15px;
	border-top: 1px solid #34495e;
	font-size: 0.8rem;
	color: #95a5a6;
	line-height: 1.3;
}
.copyright p {
	margin: 2px 0;
}

@media (max-width: 992px) {
	.footer-content { 
		gap: 20px; 
	}
}

@media (max-width: 768px) {
	.footer-content { 
		flex-wrap: wrap;
		gap: 15px; 
	}
	.footer-section { 
		min-width: 150px; 
		flex: 0 1 calc(50% - 10px);
	}
	.footer-section h3 {
		font-size: 0.9rem;
	}
}

@media (max-width: 576px) {
	.footer-content { 
		flex-direction: column;
		gap: 15px; 
	}
	.footer-section { 
		flex: 1;
		min-width: 100%;
	}
}

/* Header 布局紧凑化：减少 logo 与信息间距，应用于所有页面 */
.header-container {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	gap: 4px; /* 更紧凑的间距 */
	padding: 0 20px;
}

.header-container .lab-info {
	flex-grow: 1;
	padding-left: 4px; /* 更靠近 logo */
	border-left: 1px solid #f5f5f5; /* 更浅的分隔线，视觉上更贴近 */
}

/* Header / Nav（从 Main.html 合并过来，统一到 styles.css） */
.site-header {
	background-color: #fff;
	border-bottom: 3px solid #b31b1b; /* 人大红 */
	padding: 15px 0;
}

.lab-info h1 {
	font-size: 1.8rem;
	color: #b31b1b;
	margin-bottom: 5px;
	font-weight: 600;
}

.lab-info p {
	color: #666;
	font-size: 1rem;
}

.main-nav {
	background-color: #2c3e50;
	box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.nav-links {
	display: flex;
	list-style: none;
}

.nav-links li a {
	display: block;
	color: #ecf0f1;
	padding: 16px 22px;
	font-size: 1rem;
	transition: all 0.3s ease;
	font-weight: 500;
}

.nav-links li a:hover,
.nav-links li a.active {
	background-color: #34495e;
	color: #fff;
}

@media (max-width: 768px) {
	.nav-links {
		flex-wrap: wrap;
		justify-content: center;
	}
	.nav-links li a {
		padding: 12px 15px;
		font-size: 0.95rem;
	}
}

@media (max-width: 768px) {
	.header-container {
		flex-direction: column;
		text-align: center;
	}
	.header-container .lab-info {
		border-left: none;
		border-top: 2px solid #eee;
		padding-left: 0;
		padding-top: 12px;
		margin-top: 12px;
	}
}

/* 隐藏“系统演示”成果卡片左上角的标志（仅视觉隐藏） */
.achievement-card[data-type="demo"] .achievement-type {
    display: none;
}

/* 面包屑导航（集中样式） */
.breadcrumb {
	background-color: #f1f5f9;
	padding: 15px 0;
	margin-bottom: 30px;
}
.breadcrumb .container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}
.breadcrumb-links {
	list-style: none;
	display: flex;
	align-items: center;
	margin: 0;
	padding: 0;
}
.breadcrumb-links li {
	margin-right: 10px;
	font-size: 0.95rem;
	color: #4a5568;
}
.breadcrumb-links li a {
	color: #4a5568;
}
.breadcrumb-links li a:hover {
	color: #b31b1b;
}
.breadcrumb-links li:not(:last-child)::after {
	content: ">";
	margin-left: 10px;
	color: #a0aec0;
}