/* ========================================
   现代化样式 - Modern Style
   ======================================== */

/* CSS变量 - 统一管理颜色和尺寸 */
:root {
	/* 主色调 */
	--primary-color: #067ce6;
	--primary-hover: #0563c1;
	--secondary-color: #10b981;
	--secondary-hover: #059669;

	/* 中性色 */
	--text-primary: #1f2937;
	--text-secondary: #6b7280;
	--text-light: #9ca3af;
	--border-color: #e5e7eb;
	--bg-light: #f9fafb;
	--bg-white: #ffffff;

	/* 渐变色 */
	--gradient-primary: linear-gradient(135deg, #067ce6 0%, #0563c1 100%);
	--gradient-secondary: linear-gradient(135deg, #067ce6 0%, #0d8ff5 100%);
	--gradient-blue: linear-gradient(135deg, #067ce6 0%, #4facfe 100%);

	/* 阴影 */
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

	/* 圆角 */
	--radius-sm: 0.375rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--radius-xl: 1rem;

	/* 间距 */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-2xl: 4rem;
}

/* 基础样式重置 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
				 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
	font-size: 16px;
	line-height: 1.6;
	color: var(--text-primary);
	background-color: var(--bg-light);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: all 0.3s ease;
}

a:hover {
	color: var(--primary-hover);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

.container {
	max-width: 1300px;
	margin: 0 auto;
	padding: 0 15px;
	width: 100%;
}

@media (min-width: 1300px) {
	.container {
		padding: 0 20px;
	}
}

@media (max-width: 768px) {
	.container {
		padding: 0 10px;
	}
}

@media (max-width: 480px) {
	.container {
		padding: 0 8px;
	}
}

/* ========================================
   头部样式 - Header
   ======================================== */

.site-header {
	background: var(--bg-white);
	box-shadow: var(--shadow-md);
	position: sticky;
	top: 0;
	z-index: 1000;
}

.header-top {
	padding: var(--spacing-sm) 0;
	border-bottom: 1px solid var(--border-color);
}

.header-top .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	max-width: 1300px;
}

@media (max-width: 768px) {
	.header-top {
		padding: var(--spacing-xs) 0;
	}

	.header-logo img {
		max-height: 60px;
	}

	.countdown-timer {
		gap: 2px;
	}

	.time-unit {
		padding: 2px 6px;
		font-size: 14px;
	}

	.time-unit em {
		font-size: 10px;
	}
}

.header-logo img {
	max-height: 80px;
	width: auto;
}

.header-countdown {
	text-align: right;
}

.countdown-label {
	font-size: 14px;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-xs);
}

.countdown-timer {
	display: flex;
	gap: var(--spacing-xs);
}

.time-unit {
	background: var(--gradient-primary);
	color: white;
	padding: var(--spacing-xs) var(--spacing-sm);
	border-radius: var(--radius-md);
	font-weight: 600;
	font-size: 18px;
	box-shadow: var(--shadow-md);
}

.time-unit em {
	font-style: normal;
	font-size: 12px;
	margin-left: 2px;
	opacity: 0.9;
}

/* 导航栏 */
.main-nav {
	background: var(--bg-white);
	padding: 0;
	position: relative;
}

.main-nav .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	max-width: 1300px;
}

@media (min-width: 769px) {
	.main-nav .container {
		justify-content: center;
	}
}

.nav-menu {
	list-style: none;
	display: flex;
	gap: var(--spacing-xs);
	padding: 0;
	margin: 0;
	justify-content: center;
}

.nav-item {
	position: relative;
}

.nav-link {
	display: block;
	padding: var(--spacing-md) var(--spacing-xl);
	color: var(--text-primary);
	font-weight: 500;
	font-size: 16px;
	transition: all 0.3s ease;
	border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-item.active .nav-link {
	background: var(--gradient-primary);
	color: white;
	transform: translateY(-2px);
}

/* 下拉菜单 */
.dropdown-menu {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%) translateY(0);
	background: var(--bg-white);
	box-shadow: var(--shadow-xl);
	border-radius: var(--radius-md);
	min-width: 180px;
	padding: var(--spacing-sm);
	list-style: none;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	z-index: 100;
	margin-top: 0;
}

.has-dropdown.open .dropdown-menu {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(0);
}

.dropdown-item {
	margin: 0;
}

.dropdown-item a {
	display: block;
	padding: var(--spacing-sm) var(--spacing-md);
	color: var(--text-primary);
	border-radius: var(--radius-sm);
	transition: all 0.2s ease;
	font-size: 16px;
	text-align: center;
}

.dropdown-item a:hover {
	background: var(--gradient-primary);
	color: white;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
	display: none;
	flex-direction: column;
	gap: 4px;
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--spacing-xs);
	z-index: 1001;
}

.mobile-menu-toggle span {
	width: 25px;
	height: 3px;
	background: var(--text-primary);
	border-radius: 2px;
	transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
	background: white;
}

.mobile-menu-toggle.active span:nth-child(2) {
	opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -6px);
	background: white;
}

/* ========================================
   Banner轮播
   ======================================== */

.hero-banner {
	position: relative;
	min-height: 600px;
	height: 70vh;
	max-height: 800px;
	overflow: hidden;
	width: 100%;
	max-width: 1300px;
	margin: 0 auto;
	padding: 0;
}

.banner-swiper {
	width: 100%;
	height: 100%;
}

.banner-image {
	width: 100%;
	height: 100%;
	background-size: contain;
	background-position: center;
	background-repeat: no-repeat;
	background-color: #067ce6;
}

.banner-swiper .swiper-pagination-bullet {
	width: 12px;
	height: 12px;
	background: white;
	opacity: 0.5;
}

.banner-swiper .swiper-pagination-bullet-active {
	opacity: 1;
	background: var(--primary-color);
}

.banner-swiper .swiper-button-next,
.banner-swiper .swiper-button-prev {
	color: white;
	background: rgba(0, 0, 0, 0.3);
	width: 50px;
	height: 50px;
	border-radius: 50%;
	transition: all 0.3s ease;
}

.banner-swiper .swiper-button-next:hover,
.banner-swiper .swiper-button-prev:hover {
	background: rgba(0, 0, 0, 0.5);
	transform: scale(1.1);
}

/* ========================================
   通用区块样式
   ======================================== */

section {
	padding: var(--spacing-2xl) 0;
	position: relative;
}

@media (max-width: 768px) {
	section {
		padding: var(--spacing-xl) 0;
	}
}

@media (max-width: 480px) {
	section {
		padding: var(--spacing-lg) 0;
	}
}

.section-header {
	text-align: center;
	margin-bottom: var(--spacing-xl);
}

.section-title {
	font-size: 36px;
	font-weight: 700;
	color: var(--text-primary);
	margin-bottom: var(--spacing-xs);
	position: relative;
	display: inline-block;
}

.section-title::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: var(--gradient-primary);
	border-radius: 2px;
}

.section-subtitle {
	font-size: 14px;
	color: var(--text-light);
	text-transform: uppercase;
	letter-spacing: 2px;
	margin-top: var(--spacing-sm);
}

/* ========================================
   视频介绍区域
   ======================================== */

.intro-section {
	background: var(--bg-white);
}

.intro-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-xl);
	align-items: center;
}

@media (max-width: 768px) {
	.intro-grid {
		grid-template-columns: 1fr;
		gap: var(--spacing-lg);
	}

	.intro-content {
		padding: var(--spacing-md);
	}
}

.intro-video video {
	width: 100%;
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-xl);
}

.intro-content {
	padding: var(--spacing-lg);
}

.intro-content h3 {
	font-size: 28px;
	margin-bottom: var(--spacing-md);
	color: var(--text-primary);
}

.intro-content p {
	color: var(--text-secondary);
	line-height: 1.8;
	margin-bottom: var(--spacing-sm);
}

/* ========================================
   日程安排
   ======================================== */

/* ========================================
   日程安排
   ======================================== */

.schedule-section {
	background: var(--bg-light);
}

.schedule-layout {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--spacing-xl);
	align-items: start;
}

@media (max-width: 768px) {
	.schedule-layout {
		grid-template-columns: 1fr;
		gap: var(--spacing-lg);
	}

	.schedule-content {
		padding: var(--spacing-lg);
		min-height: 250px;
		font-size: 16px;
	}

	.schedule-actions {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.schedule-card {
		flex: 1;
		min-width: calc(50% - 10px);
		padding: var(--spacing-lg);
		min-height: 120px;
	}
}

.schedule-content {
	background: var(--bg-white);
	padding: var(--spacing-xl);
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-lg);
	min-height: 320px;
}

.schedule-time-cards {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--spacing-lg);
	align-items: stretch;
}

@media (max-width: 992px) {
	.schedule-time-cards {
		grid-template-columns: repeat(2, 1fr);
	}
}

.schedule-time-card {
	background: var(--bg-light);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	box-shadow: var(--shadow-md);
	transition: all 0.3s ease;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
}

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

.schedule-time-icon {
	width: 80px;
	height: 80px;
	background: var(--gradient-primary);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: var(--spacing-md);
	color: white;
	font-size: 24px;
	box-shadow: var(--shadow-md);
}

.schedule-time-info {
	flex: 1;
}

.schedule-time-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--text-primary);
	margin-bottom: var(--spacing-sm);
}

.schedule-time-date {
	font-size: 16px;
	color: var(--text-secondary);
	line-height: 1.4;
}

@media (max-width: 768px) {
	.schedule-time-cards {
		grid-template-columns: 1fr;
	}

	.schedule-time-card {
		flex-direction: row;
		text-align: left;
		gap: var(--spacing-md);
	}

	.schedule-time-icon {
		width: 60px;
		height: 60px;
		font-size: 18px;
		margin-bottom: 0;
	}

	.schedule-time-info {
		flex: 1;
	}
}

.schedule-actions {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-md);
}

.schedule-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: var(--spacing-xl);
	border-radius: var(--radius-xl);
	background: var(--gradient-primary);
	color: white;
	text-align: center;
	transition: all 0.3s ease;
	box-shadow: var(--shadow-md);
	min-height: 150px;
}

.schedule-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-xl);
	background: var(--gradient-primary);
}

.schedule-card-text {
	font-size: 24px;
	font-weight: 700;
	margin-bottom: var(--spacing-xs);
}

.schedule-card-subtext {
	font-size: 14px;
	opacity: 0.9;
	text-transform: uppercase;
	letter-spacing: 1px;
}

/* ========================================
   新闻资讯
   ======================================== */

.news-section {
	background: var(--bg-white);
}

.news-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--spacing-xl);
}

@media (max-width: 768px) {
	.news-grid {
		grid-template-columns: 1fr;
		gap: var(--spacing-lg);
	}

	.news-card-content {
		padding: var(--spacing-md);
	}

	.news-card-title {
		font-size: 20px;
	}
}

.news-card {
	background: var(--bg-white);
	border-radius: var(--radius-xl);
	overflow: hidden;
	box-shadow: var(--shadow-lg);
	transition: all 0.3s ease;
}

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

.news-card-image {
	height: 200px;
	overflow: hidden;
}

.news-card-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.news-card:hover .news-card-image img {
	transform: scale(1.1);
}

.news-card-content {
	padding: var(--spacing-lg);
}

.news-card-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: var(--spacing-md);
	padding-bottom: var(--spacing-sm);
	border-bottom: 2px solid var(--border-color);
}

.news-card-title {
	font-size: 24px;
	font-weight: 700;
	color: var(--text-primary);
	margin: 0;
}

.news-more-btn {
	color: var(--primary-color);
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
	transition: all 0.3s ease;
	padding: var(--spacing-xs) var(--spacing-sm);
	border-radius: var(--radius-sm);
}

.news-more-btn:hover {
	background: var(--primary-color);
	color: white;
	transform: translateX(3px);
}

.news-list {
	list-style: none;
}

.news-item {
	margin-bottom: var(--spacing-sm);
}

.news-link {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: var(--spacing-sm);
	border-radius: var(--radius-sm);
	transition: all 0.2s ease;
}

.news-link:hover {
	background: var(--bg-light);
	transform: translateX(5px);
}

.news-title {
	flex: 1;
	color: var(--text-primary);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.news-date {
	color: var(--text-light);
	font-size: 14px;
	margin-left: var(--spacing-sm);
	white-space: nowrap;
}

/* ========================================
   数据统计
   ======================================== */

.stats-section {
	background: var(--gradient-primary);
	color: white;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--spacing-xl);
}

@media (max-width: 768px) {
	.stats-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--spacing-md);
	}

	.stat-item {
		padding: var(--spacing-lg);
	}

	.stat-number {
		font-size: 32px;
	}

	.stat-unit,
	.stat-plus {
		font-size: 18px;
	}

	.stat-label {
		font-size: 16px;
	}
}

.stat-item {
	text-align: center;
	padding: var(--spacing-xl);
	background: rgba(255, 255, 255, 0.1);
	border-radius: var(--radius-xl);
	backdrop-filter: blur(10px);
	transition: all 0.3s ease;
}

.stat-item:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: translateY(-5px);
}

.stat-number {
	font-size: 48px;
	font-weight: 700;
	margin-bottom: var(--spacing-sm);
	line-height: 1;
}

.stat-unit,
.stat-plus {
	font-size: 24px;
	margin-left: 4px;
}

.stat-label {
	font-size: 18px;
	opacity: 0.9;
}

/* ========================================
   上届回顾
   ======================================== */

.review-section {
	background: var(--bg-light);
	overflow: hidden;
}

.review-section {
	background: var(--bg-light);
	overflow: hidden;
}

.review-swiper {
	padding: var(--spacing-xl) 0;
	max-width: 100%;
	margin: 0 auto;
}

.review-swiper .swiper-slide {
	height: auto;
	display: flex;
	align-items: center;
	justify-content: center;
}

.review-image {
	width: 100%;
	max-width: 800px;
	height: 400px;
	background-size: cover;
	background-position: center;
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-xl);
	margin: 0 auto;
}

@media (max-width: 1024px) {
	.review-image {
		height: 350px;
		max-width: 90%;
	}
}

@media (max-width: 768px) {
	.review-image {
		height: 280px;
		max-width: 95%;
	}
}

@media (max-width: 480px) {
	.review-image {
		height: 200px;
		max-width: 100%;
	}
}

.review-swiper .swiper-pagination-bullet {
	width: 12px;
	height: 12px;
	background: var(--primary-color);
}

/* ========================================
   品牌展商
   ======================================== */

.exhibitors-section {
	background: var(--bg-white);
}

/* ========================================
   品牌展商
   ======================================== */

.exhibitors-section {
	background: var(--bg-white);
}

.exhibitors-swiper {
	padding: var(--spacing-xl) 0;
}

.exhibitors-swiper .swiper-slide {
	height: auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.exhibitor-item-box {
	width: 100%;
	padding: 15px 0;
}

.exhibitor-item {
	background: var(--bg-white);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	padding: var(--spacing-lg);
	transition: all 0.3s ease;
	height: 120px;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.exhibitor-item:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-color);
}

.exhibitor-item img {
	max-width: 100%;
	max-height: 80px;
	width: auto;
	height: auto;
	display: block;
	transition: transform 0.3s ease;
}

.exhibitor-item:hover img {
	transform: scale(1.05);
}

/* ========================================
   合作媒体
   ======================================== */

.partners-section {
	background: var(--bg-light);
}

/* ========================================
   合作媒体
   ======================================== */

.partners-section {
	background: var(--bg-light);
}

.partners-swiper {
	padding: var(--spacing-xl) 0;
}

.partners-swiper .swiper-slide {
	height: auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.partner-item-box {
	width: 100%;
	padding: 15px 0;
}

.partner-item {
	background: var(--bg-white);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	padding: var(--spacing-lg);
	transition: all 0.3s ease;
	height: 120px;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.partner-item:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-md);
	border-color: var(--secondary-color);
}

.partner-item img {
	max-width: 100%;
	max-height: 80px;
	width: auto;
	height: auto;
	display: block;
	transition: transform 0.3s ease;
}

.partner-item:hover img {
	transform: scale(1.05);
}

/* ========================================
   底部样式 - Footer
   ======================================== */

.site-footer {
	background: #2c3e50;
	color: white;
}

.footer-main {
	padding: var(--spacing-2xl) 0;
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--spacing-xl);
}

@media (max-width: 1024px) {
	.footer-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--spacing-lg);
	}
}

@media (max-width: 768px) {
	.footer-grid {
		grid-template-columns: 1fr;
		gap: var(--spacing-md);
	}

	.footer-col:not(:last-child) {
		display: none;
	}

	.footer-col:last-child {
		display: block;
		text-align: center;
	}

	.footer-title {
		font-size: 16px;
		margin-bottom: var(--spacing-sm);
	}
}

.footer-col {
	padding: var(--spacing-sm);
}

.footer-qrcode {
	grid-column: 4 / 5;
	text-align: center;
}

.footer-title {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: var(--spacing-md);
	color: white;
	position: relative;
	padding-bottom: var(--spacing-sm);
}

.footer-title::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 40px;
	height: 3px;
	background: var(--gradient-primary);
	border-radius: 2px;
}

.footer-content {
	color: rgba(255, 255, 255, 0.7);
	line-height: 1.8;
}

.footer-content p {
	margin-bottom: var(--spacing-xs);
}

.footer-content strong {
	color: white;
}

.company-name {
	font-weight: 600;
	color: white;
	font-size: 16px;
}

.footer-qrcode {
	text-align: center;
}

.qrcode-wrapper {
	background: white;
	padding: var(--spacing-sm);
	border-radius: var(--radius-md);
	display: inline-block;
	margin-top: var(--spacing-sm);
}

.qrcode-wrapper img {
	width: 120px;
	height: 120px;
}

.footer-bottom {
	background: rgba(0, 0, 0, 0.2);
	padding: var(--spacing-md) 0;
}

.footer-bottom .container {
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
}

.copyright {
	color: rgba(255, 255, 255, 0.7);
	font-size: 14px;
}

.copyright a {
	color: rgba(255, 255, 255, 0.9);
	text-decoration: underline;
}

.separator {
	margin: 0 var(--spacing-sm);
}

.back-to-top {
	position: fixed;
	right: 30px;
	bottom: 30px;
	background: var(--gradient-primary);
	color: white;
	border: none;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 500;
	transition: all 0.3s ease;
	opacity: 0;
	visibility: hidden;
	transform: translateY(20px);
	box-shadow: var(--shadow-lg);
	z-index: 999;
	font-size: 14px;
}

.back-to-top.visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.back-to-top:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-xl);
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1024px) {
	.stats-grid {
		grid-template-columns: repeat(3, 1fr);
	}

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

@media (max-width: 768px) {
	.mobile-menu-toggle {
		display: flex;
	}

	.nav-menu {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background: rgba(0, 0, 0, 0.95);
		flex-direction: column;
		padding: 100px var(--spacing-md) var(--spacing-md);
		box-shadow: var(--shadow-lg);
		opacity: 0;
		visibility: hidden;
		transform: translateX(-100%);
		transition: all 0.3s ease;
		z-index: 1000;
	}

	.nav-menu.active {
		opacity: 1;
		visibility: visible;
		transform: translateX(0);
	}

	.nav-link {
		color: white;
		text-align: center;
		padding: var(--spacing-md);
		font-size: 18px;
	}

	.nav-link:hover,
	.nav-item.active .nav-link {
		background: rgba(255, 255, 255, 0.1);
		color: white;
	}

	.dropdown-menu {
		background: rgba(255, 255, 255, 0.95);
		left: 0;
		right: 0;
		transform: none;
		width: 100%;
		margin-top: var(--spacing-xs);
	}

	.dropdown-item a {
		color: var(--text-primary);
		font-size: 16px;
	}

	.dropdown-item a:hover {
		background: var(--gradient-primary);
		color: white;
	}

	.hero-banner {
		min-height: 400px;
		height: 50vh;
		max-height: 600px;
	}

	.intro-grid,
	.news-grid {
		grid-template-columns: 1fr;
	}

	.stats-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.footer-grid {
		grid-template-columns: 1fr;
	}

	.footer-bottom .container {
		flex-direction: column;
		gap: var(--spacing-sm);
		text-align: center;
	}

	.section-title {
		font-size: 28px;
	}

	.stat-number {
		font-size: 36px;
	}
}

@media (max-width: 480px) {
	.countdown-timer {
		flex-wrap: wrap;
	}

	.time-unit {
		font-size: 14px;
		padding: 4px 8px;
	}

	.action-buttons {
		flex-direction: column;
	}

	.btn {
		width: 100%;
	}

	.hero-banner {
		min-height: 300px;
		height: 40vh;
		max-height: 400px;
	}

	.stats-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.review-swiper .swiper-slide {
		width: 300px;
		height: 200px;
	}
}

/* ========================================
   动画效果
   ======================================== */

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.fade-in-up {
	animation: fadeInUp 0.6s ease-out;
}

/* 平滑滚动 */
html {
	scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
	background: var(--primary-color);
	color: white;
}

::-moz-selection {
	background: var(--primary-color);
	color: white;
}