:root {
	--primary-color: #004ea2;
	--primary-light: #2c80ff;
	--primary-dark: #003b7a;
	--secondary-color: #1f2833;
	--light-bg: #f8fafc;
	--dark-bg: #111827;
	--text-dark: #1f2937;
	--text-medium: #4b5563;
	--border-color: #e5e7eb;
	--module-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	--gradient-main: linear-gradient(135deg, #004ea2 0%, #2c80ff 100%);
	--gradient-icon: linear-gradient(135deg, #004ea2 0%, #25c9cb 100%);
	--gradient-tech: linear-gradient(135deg, #1a2980 0%, #26d0ce 100%);
	--gradient-dark: linear-gradient(rgba(17, 24, 39, 0.85), rgba(17, 24, 39, 0.92));
	--hover-shadow: 0 8px 24px rgba(0, 78, 162, 0.15);
	--tech-glow: 0 0 15px rgba(44, 128, 255, 0.3);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

body {
	color: var(--text-dark);
	background-color: var(--light-bg);
	line-height: 1.6;
	scroll-behavior: smooth;
}

a {
	text-decoration: none;
	color: inherit;
}

ul {
	list-style: none;
}

.container {
	width: 1152px;
	margin: 0 auto;
	padding: 0 15px;
}

/* 导航栏样式 */
.header-nav {
	background-color: #ffffff;
	border-bottom: 1px solid var(--border-color);
	box-shadow: var(--module-shadow);
	position: sticky;
	top: 0;
	z-index: 999;
}

.nav-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 70px;
}

.logo {
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo-img {
	width: 160px;
	height: 54px;
	object-fit: contain;
}

.nav-menu {
	display: flex;
	gap: 35px;
	align-items: center;
}

.nav-item {
	font-size: 15px;
	font-weight: 500;
	color: var(--text-dark);
	transition: color 0.3s;
	cursor: pointer;
	position: relative;
	padding: 20px 0;
}

.nav-item.active {
	color: #004ea2 !important;
	font-weight: 500 !important;
}

.nav-item:hover {
	color: var(--primary-color);
}

.nav-item.has-dropdown {
	padding-right: 15px;
}

.nav-item.has-dropdown::after {
	content: "\f078";
	font-family: "Font Awesome 6 Free";
	font-weight: 600;
	font-size: 10px;
	position: absolute;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
}

.dropdown-menu {
	position: absolute;
	top: 100%;
	left: 0;
	background-color: white;
	min-width: 250px;
	border-radius: 6px;
	box-shadow: var(--module-shadow);
	border: 1px solid var(--border-color);
	padding: 8px 0;
	display: none;
	z-index: 9999;
}

.nav-item.has-dropdown:hover .dropdown-menu {
	display: block;
}

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

.dropdown-menu li a {
	display: block;
	padding: 12px 20px;
	font-size: 14px;
	color: var(--text-dark);
	transition: all 0.3s;
}

.dropdown-menu li a:hover {
	background-color: var(--light-bg);
	color: var(--primary-color);
	padding-left: 24px;
}

/* 右侧功能区 - 新增 课程咨询二维码悬浮样式 完全参考首页 */
.nav-right {
	display: flex;
	align-items: center;
	gap: 25px;
	font-size: 15px;
	font-weight: 500;
}

.contact-phone {
	background: var(--gradient-main);
	color: white;
	padding: 10px 20px;
	border-radius: 30px;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 8px;
	transition: all 0.3s ease;
	box-shadow: 0 4px 12px rgba(0, 78, 162, 0.2);
	position: relative;
}

.contact-phone:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 18px rgba(0, 78, 162, 0.3);
	background: var(--primary-dark);
	color: white;
}

/* 二维码悬停弹出效果 - 完全复用首页的样式和结构 */
.qr-popup {
	position: absolute;
	top: 100%;
	right: 0;
	background: white;
	padding: 15px;
	border-radius: 8px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
	display: none;
	z-index: 1000;
	margin-top: 10px;
	width: 180px;
	text-align: center;
	border: 1px solid var(--border-color);
}

.qr-popup::before {
	content: '';
	position: absolute;
	bottom: 100%;
	right: 20px;
	border-width: 8px;
	border-style: solid;
	border-color: transparent transparent white transparent;
}

.contact-phone:hover .qr-popup {
	display: block;
}

.qr-popup img {
	width: 150px;
	height: 150px;
	margin-bottom: 8px;
	border-radius: 4px;
}

.qr-popup p {
	font-size: 12px;
	color: var(--text-medium);
	margin: 0;
}

/* 移动端导航切换按钮 */
.mobile-toggle {
	display: none;
	background: none;
	border: none;
	font-size: 24px;
	color: var(--text-dark);
	cursor: pointer;
}

/* 品牌介绍页面特有样式 */

/* 科技感页面横幅 */
.brand-hero {
	background: var(--gradient-tech),
		radial-gradient(circle at 30% 20%, rgba(26, 41, 128, 0.4) 0%, transparent 50%),
		radial-gradient(circle at 70% 80%, rgba(38, 208, 206, 0.3) 0%, transparent 50%);
	background-size: cover;
	color: white;
	padding: 80px 0 60px;
	text-align: center;
	margin-bottom: 40px;
	position: relative;
	overflow: hidden;
}

.brand-hero-title {
	font-size: 46px;
	margin-bottom: 20px;
	color: white;
	line-height: 1.2;
	font-weight: 800;
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
	position: relative;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.brand-hero-subtitle {
	font-size: 20px;
	margin-bottom: 40px;
	opacity: 0.9;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.7;
	font-weight: 300;
	letter-spacing: 0.5px;
}

/* 品牌使命与愿景 */
.mission-section {
	padding: 80px 0;
	background-color: white;
	position: relative;
}

.mission-container {
	display: flex;
	align-items: center;
	gap: 60px;
}

.mission-content {
	flex: 1;
}

.mission-title {
	font-size: 32px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 20px;
	position: relative;
	display: inline-block;
}

.mission-title::after {
	content: "";
	position: absolute;
	bottom: -8px;
	left: 0;
	width: 60px;
	height: 3px;
	background: var(--gradient-icon);
	border-radius: 3px;
}

.mission-text {
	font-size: 16px;
	line-height: 1.8;
	color: var(--text-medium);
	margin-bottom: 25px;
}

.mission-text-highlight {
	background: linear-gradient(to right, rgba(0, 78, 162, 0.1), transparent);
	padding: 15px 20px;
	border-left: 4px solid var(--primary-color);
	border-radius: 0 6px 6px 0;
	font-weight: 500;
	margin: 25px 0;
}

.mission-visual {
	flex: 1;
	display: flex;
	justify-content: center;
	align-items: center;
}

.mission-icon-container {
	width: 300px;
	height: 300px;
	background: var(--gradient-icon);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	box-shadow: 0 0 20px rgba(0, 78, 162, 0.3);
}

.mission-icon-container::before {
	content: '';
	position: absolute;
	top: -10px;
	left: -10px;
	right: -10px;
	bottom: -10px;
	border-radius: 50%;
	background: var(--gradient-icon);
	z-index: -1;
	filter: blur(20px);
	opacity: 0.4;
}

.mission-icon {
	font-size: 100px;
	color: white;
}

/* 研究院背景部分 - 采用首页banner背景 */
.institute-section {
	padding: 80px 0;
	background: var(--gradient-dark),
		url('./img/banner.avif');
	background-size: cover;
	background-position: center;
	color: white;
	position: relative;
}

.institute-content {
	position: relative;
	z-index: 1;
}

.institute-header {
	text-align: center;
	margin-bottom: 60px;
}

.institute-title {
	font-size: 32px;
	font-weight: 700;
	color: white;
	margin-bottom: 15px;
	position: relative;
	display: inline-block;
}

.institute-title::after {
	content: "";
	display: block;
	width: 60px;
	height: 3px;
	background: white;
	margin: 15px auto 0;
	border-radius: 3px;
}

.institute-subtitle {
	text-align: center;
	color: rgba(255, 255, 255, 0.9);
	font-size: 16px;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.8;
}

.institute-badge-container {
	display: flex;
	justify-content: center;
	margin-bottom: 50px;
}

.institute-badge {
	background: rgba(255, 255, 255, 0.95);
	border-radius: 20px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
	padding: 40px;
	text-align: center;
	transition: all 0.4s ease;
	position: relative;
	overflow: hidden;
	max-width: 500px;
	width: 100%;
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.institute-badge:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
	background: white;
}

.institute-logo-wrapper {
	display: flex;
	justify-content: center;
	align-items: center;
	margin-bottom: 25px;
}

.institute-logo-circle {
	width: 80px;
	height: 80px;
	background: var(--gradient-main);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 36px;
	box-shadow: 0 4px 15px rgba(0, 78, 162, 0.2);
}

.institute-name {
	font-size: 24px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 10px;
	line-height: 1.3;
}

.institute-acronym {
	font-size: 20px;
	color: var(--primary-color);
	font-weight: 600;
	margin-bottom: 20px;
	letter-spacing: 3px;
}

.institute-desc {
	font-size: 16px;
	color: var(--text-medium);
	line-height: 1.7;
	padding: 0 20px;
}

.institute-support-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 25px;
}

.support-item {
	background: rgba(255, 255, 255, 0.95);
	border-radius: 12px;
	padding: 30px 20px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
	transition: all 0.3s ease;
	text-align: center;
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.support-item:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
	background: white;
}

.support-icon {
	width: 70px;
	height: 70px;
	border-radius: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 20px;
	font-size: 28px;
	color: white;
	background: var(--gradient-main);
}

.support-item-title {
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 10px;
	color: var(--secondary-color);
}

.support-item-desc {
	font-size: 14px;
	color: var(--text-medium);
	line-height: 1.6;
}

/* ============ 核心优化：企业文化板块 全新美化重构【完整版】 ============ */
.culture-section {
	padding: 100px 0;
	background-color: var(--light-bg);
	position: relative;
	overflow: hidden;
}

.culture-container {
	position: relative;
	z-index: 1;
}

.culture-header {
	text-align: center;
	margin-bottom: 80px;
}

.culture-title {
	font-size: 36px;
	font-weight: 800;
	color: var(--secondary-color);
	margin-bottom: 20px;
	position: relative;
	display: inline-block;
}

.culture-title::after {
	content: "";
	display: block;
	width: 80px;
	height: 4px;
	background: var(--gradient-main);
	margin: 20px auto 0;
	border-radius: 3px;
}

.culture-subtitle {
	text-align: center;
	color: var(--text-medium);
	font-size: 17px;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.8;
}

/* 阶梯式卡片布局 - 黄金比例缩进，视觉递进感完美 */
.culture-staircase {
	max-width: 1100px;
	margin: 0 auto;
	position: relative;
}

.culture-item {
	background: #ffffff;
	border-radius: 20px;
	padding: 50px 45px;
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
	margin-bottom: 40px;
	position: relative;
	transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
	display: flex;
	align-items: center;
	gap: 40px;
	/* 核心升级：双层渐变描边+内白边，质感拉满 */
	background-image: linear-gradient(#ffffff, #ffffff), var(--gradient-main);
	background-origin: border-box;
	background-clip: padding-box, border-box;
	border: 1px solid transparent;
}

/* 重磅升级：悬浮动效组合拳 - 高级感十足 */
.culture-item:hover {
	transform: translateY(-12px);
	box-shadow: 0 15px 40px rgba(0, 78, 162, 0.22);
	border-color: var(--primary-light);
	filter: brightness(1.02);
	/* 新增内发光，科技感匹配全站风格 */
	box-shadow: 0 15px 40px rgba(0, 78, 162, 0.22), inset 0 0 0 1px rgba(44, 128, 255, 0.3);
}

.culture-item:last-child {
	margin-bottom: 0;
}

/* 优化阶梯缩进距离 - 视觉层级更清晰，间距更舒适 */
.culture-item:nth-child(1) {
	margin-left: 0;
	z-index: 5;
}

.culture-item:nth-child(2) {
	margin-left: 30px;
	z-index: 4;
}

.culture-item:nth-child(3) {
	margin-left: 60px;
	z-index: 3;
}

.culture-item:nth-child(4) {
	margin-left: 90px;
	z-index: 2;
}

.culture-item:nth-child(5) {
	margin-left: 120px;
	z-index: 1;
}

/* 序号优化：超大字号+轻透初始色+悬浮高亮主色，视觉焦点 */
.culture-item-number {
	font-size: 72px;
	font-weight: 900;
	color: rgba(0, 78, 162, 0.08);
	line-height: 1;
	min-width: 100px;
	text-align: center;
	transition: all 0.4s ease-out;
}

.culture-item:hover .culture-item-number {
	color: var(--primary-color);
	opacity: 1;
	transform: scale(1.05);
}

.culture-item-content {
	flex: 1;
}

.culture-item-header {
	display: flex;
	align-items: center;
	margin-bottom: 25px;
}

/* 图标优化：更大尺寸+圆润圆角+细腻渐变+投影，质感升级 */
.culture-item-icon {
	width: 82px;
	height: 82px;
	border-radius: 22px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 34px;
	margin-right: 25px;
	background: var(--gradient-main);
	flex-shrink: 0;
	box-shadow: 0 8px 22px rgba(0, 78, 162, 0.2);
}

.culture-item-title-wrapper {
	flex: 1;
}

.culture-item-main-title {
	font-size: 28px;
	font-weight: 700;
	color: var(--secondary-color);
	line-height: 1.3;
	margin-bottom: 10px;
}

.culture-item-subtitle {
	font-size: 18px;
	color: var(--primary-color);
	font-weight: 600;
	letter-spacing: 0.5px;
}

.culture-item-body {
	line-height: 2.0;
}

.culture-item-text {
	font-size: 16px;
	color: var(--text-dark);
	margin-bottom: 20px;
	font-weight: 400;
}

/* 价值观标签优化：更精致的圆角+内边距+hover效果 */
.culture-values {
	display: flex;
	flex-wrap: wrap;
	gap: 15px;
	margin-top: 20px;
}

.value-tag {
	background: rgba(0, 78, 162, 0.1);
	color: var(--primary-color);
	padding: 10px 20px;
	border-radius: 30px;
	font-size: 14px;
	font-weight: 500;
	transition: all 0.3s ease;
	border: 1px solid transparent;
}

.value-tag:hover {
	background: rgba(0, 78, 162, 0.18);
	border-color: rgba(44, 128, 255, 0.3);
}

/* ============ 企业文化板块 优化结束 ============ */

/* 人才培养部分 */
.talent-section {
	padding: 80px 0;
	background-color: white;
}

.section-header {
	text-align: center;
	margin-bottom: 60px;
}

.section-title {
	font-size: 32px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 15px;
	position: relative;
	display: inline-block;
}

.section-title::after {
	content: "";
	display: block;
	width: 60px;
	height: 3px;
	background: var(--gradient-main);
	margin: 15px auto 0;
	border-radius: 3px;
}

.section-subtitle {
	text-align: center;
	color: var(--text-medium);
	font-size: 16px;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
}

.talent-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 25px;
}

.talent-card {
	background: white;
	border-radius: 12px;
	padding: 30px;
	box-shadow: var(--module-shadow);
	transition: all 0.3s ease;
	text-align: center;
	border: 1px solid var(--border-color);
}

.talent-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--hover-shadow);
}

.talent-icon {
	width: 70px;
	height: 70px;
	border-radius: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 20px;
	font-size: 28px;
	color: white;
	background: var(--gradient-main);
}

.talent-title {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 12px;
	color: var(--secondary-color);
}

.talent-desc {
	font-size: 14px;
	color: var(--text-medium);
	line-height: 1.8;
}


/* CTA区域 */
.cta-section {
	padding: 80px 0;
	background: var(--gradient-tech);
	color: white;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.cta-section::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJncmlkLWN0YSIgd2lkdGg9IjQwIiBoZWlnaHQ9IjQwIiBwYXR0ZXJuVW5pdHM9InVzZXJTcGFjZU9uVXNlIj48cGF0aCBkPSJNIDQwIDAgTCAwIDAgMCA0MCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJyZ2JhKDI1NSwyNTUsMjU1LDAuMSkiIHN0cm9rZS13aWR0aD0iMSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNncmlkLWN0YSkiLz48L3N2Zz4=');
	opacity: 0.2;
}

.cta-title {
	font-size: 36px;
	margin-bottom: 20px;
	color: white;
	position: relative;
}

.cta-subtitle {
	font-size: 18px;
	margin-bottom: 40px;
	opacity: 0.9;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.7;
	position: relative;
}

.cta-button {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	background: white;
	color: var(--primary-color);
	padding: 16px 35px;
	border-radius: 50px;
	font-weight: 600;
	font-size: 18px;
	text-decoration: none;
	transition: all 0.3s ease;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
	position: relative;
}

.cta-button:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
	color: var(--primary-color);
	background: rgba(255, 255, 255, 0.95);
}

/* 底部信息 */
.footer {
	background-color: var(--secondary-color);
	color: rgba(255, 255, 255, 0.8);
	padding: 50px 0 20px;
}

.footer-layout {
	display: grid;
	grid-template-columns: 1.2fr 1fr 1fr 1.5fr 1fr;
	gap: 30px;
	margin-bottom: 30px;
	padding-bottom: 30px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col {
	/* 每列自动分配宽度 */
}

.footer-title {
	font-size: 16px;
	font-weight: 600;
	color: white;
	margin-bottom: 15px;
}

.footer-list li {
	font-size: 13px;
	margin-bottom: 8px;
	cursor: pointer;
	transition: color 0.3s;
}

.footer-list li:hover {
	color: var(--primary-color);
}

.contact-column {
	display: flex;
	flex-direction: column;
}

.hotline-box {
	background: rgba(255, 255, 255, 0.05);
	padding: 15px;
	border-radius: 8px;
	margin-top: 10px;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	margin-bottom: 10px;
}

.hotline-number {
	font-size: 18px;
	font-weight: 600;
	color: white;
	margin: 10px 0;
	display: flex;
	align-items: center;
	gap: 10px;
}

.hotline-number i {
	color: var(--primary-light);
}

.qr-column {
	text-align: center;
}

.qr-code {
	margin-top: 0;
	text-align: center;
}

.qr-code img {
	width: 120px;
	height: 120px;
	border-radius: 8px;
	background: white;
	padding: 8px;
}

.qr-code p {
	font-size: 12px;
	margin-top: 8px;
	color: rgba(255, 255, 255, 0.7);
}

.copyright {
	text-align: center;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.7);
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.container {
		width: 95%;
	}

	.institute-support-grid,
	.talent-grid,
	.values-container {
		grid-template-columns: repeat(2, 1fr);
	}

	.footer-layout {
		grid-template-columns: repeat(3, 1fr);
		gap: 20px;
	}

	.mission-container {
		flex-direction: column;
	}

	.brand-hero-title {
		font-size: 38px;
	}

	/* 阶梯式布局响应式 - 移动端取消缩进，居中展示 */
	.culture-item {
		margin-left: 0 !important;
		flex-direction: column;
		text-align: center;
		padding: 40px 25px;
		gap: 25px;
	}

	.culture-item-icon {
		margin-right: 0;
		margin-bottom: 20px;
	}
}

@media (max-width: 768px) {

	/* 移动端导航样式 */
	.mobile-toggle {
		display: block;
	}

	.nav-menu {
		position: fixed;
		top: 70px;
		left: -100%;
		width: 100%;
		height: calc(100vh - 70px);
		background: white;
		flex-direction: column;
		align-items: flex-start;
		padding: 30px;
		transition: left 0.3s ease;
		box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
		overflow-y: auto;
		z-index: 998;
		gap: 0;
	}

	.nav-menu.active {
		left: 0;
	}

	.nav-item {
		margin: 0 0 15px 0;
		width: 100%;
		padding: 10px 0;
	}

	.dropdown-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: none;
		padding-left: 20px;
		display: none;
		margin-top: 10px;
	}

	.nav-item.has-dropdown:hover .dropdown-menu,
	.nav-item.has-dropdown.active .dropdown-menu {
		display: block;
	}

	.nav-item.has-dropdown::after {
		right: 20px;
	}

	.brand-hero {
		padding: 60px 0 40px;
	}

	.brand-hero-title {
		font-size: 32px;
	}

	.brand-hero-subtitle {
		font-size: 18px;
	}

	.institute-support-grid,
	.talent-grid,
	.values-container {
		grid-template-columns: 1fr;
	}

	/* 底部5列布局移动端响应式 */
	.footer-layout {
		grid-template-columns: repeat(2, 1fr);
	}

	.mission-icon-container {
		width: 250px;
		height: 250px;
	}

	.mission-icon {
		font-size: 80px;
	}

	.nav-right {
		display: none;
	}
}

@media (max-width: 576px) {
	.brand-hero-title {
		font-size: 28px;
	}

	.brand-hero-subtitle {
		font-size: 16px;
	}

	.section-title,
	.institute-title,
	.culture-title {
		font-size: 24px;
	}

	/* 底部5列布局小屏响应式 */
	.footer-layout {
		grid-template-columns: 1fr;
	}

	.mission-icon-container {
		width: 200px;
		height: 200px;
	}

	.mission-icon {
		font-size: 60px;
	}

	.institute-badge {
		padding: 30px 20px;
	}

	.institute-name {
		font-size: 20px;
	}

	.institute-acronym {
		font-size: 18px;
	}

	.culture-item {
		padding: 30px 20px;
	}

	.culture-item-main-title {
		font-size: 22px;
	}

	.culture-item-number {
		font-size: 60px;
	}
}