* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: #111827;
	min-height: 100vh;
	background: #ffffff;
}

/* 导航栏 */
.nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 50;
	background: rgba(255, 255, 255, 0.8);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid #f3f4f6;
}

.nav-content {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 16px;
}

@media (min-width: 640px) {
	.nav-content {
		padding: 0 24px;
	}
}

@media (min-width: 1024px) {
	.nav-content {
		padding: 0 32px;
	}
}

.nav-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 64px;
}

.logo {
	display: flex;
	align-items: center;
	gap: 8px;
}

.logo-text {
	font-size: 20px;
	font-weight: 700;
	color: #111827;
}

/* Logo图片样式 */
.logo-image {
	height: 40px;
	width: auto;
	max-width: 200px;
	object-fit: contain;
}

.nav-links {
	display: none;
	align-items: center;
	gap: 32px;
}

@media (min-width: 768px) {
	.nav-links {
		display: flex;
	}
}

.nav-links a {
	text-decoration: none;
	color: #4b5563;
	transition: color 0.2s;
}

.nav-links a:hover {
	color: #111827;
}

/* 下拉菜单 */
.nav-item {
	position: relative;
	cursor: pointer;
}

.nav-item-trigger {
	display: flex;
	align-items: center;
	gap: 6px;
	color: #666;
	font-weight: 500;
	font-size: 15px;
	transition: color 0.2s;
	padding: 24px 0;
}

.nav-item-trigger:hover {
	color: #0891b2;
}

.nav-item-trigger svg {
	width: 14px;
	height: 14px;
	transition: transform 0.2s;
}

.nav-item.active .nav-item-trigger svg {
	transform: rotate(180deg);
}

.nav-item.active .nav-item-trigger {
	color: #0891b2;
}

.dropdown-menu {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%) translateY(-10px);
	background: white;
	border-radius: 12px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
	min-width: 195px;
	opacity: 0;
	visibility: hidden;
	transition: all 0.2s ease;
	padding: 8px 0;
	border: 1px solid #f0f0f0;
}

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

.dropdown-menu a {
	display: block;
	padding: 12px 34px;
	color: #1a1a1a;
	text-decoration: none;
	font-size: 15px;
	transition: background 0.2s;
}

.dropdown-menu a:hover {
	background: #f8fafc;
	color: #0891b2;
}

.dropdown-menu .divider {
	height: 1px;
	background: #f0f0f0;
	margin: 8px 0;
}

.dropdown-menu .label {
	padding: 8px 24px;
	font-size: 12px;
	color: #999;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.nav-cta {
	display: flex;
	align-items: center;
	gap: 16px;
}

.nav-cta .login {
	display: none;
	text-decoration: none;
	color: #4b5563;
	transition: color 0.2s;
}

@media (min-width: 640px) {
	.nav-cta .login {
		display: block;
	}
}

.nav-cta .login:hover {
	color: #111827;
}

.btn-primary {
	padding: 8px 20px;
	background: linear-gradient(90deg, #2563eb, #9333ea);
	color: white;
	border: none;
	border-radius: 9999px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s;
	text-decoration: none;
	display: inline-block;
}

.btn-primary:hover {
	box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
	transform: scale(1.05);
}

/* 产品展示区 */
.products {
	padding: 80px 16px;
	background: #f9fafb;
}

@media (min-width: 640px) {
	.products {
		padding: 80px 24px;
	}
}

@media (min-width: 1024px) {
	.products {
		padding: 80px 32px;
	}
}

.section-header {
	text-align: center;
	margin-bottom: 64px;
}

.section-header h2 {
	font-size: 30px;
	font-weight: 700;
	color: #111827;
	margin-bottom: 16px;
}

@media (min-width: 640px) {
	.section-header h2 {
		font-size: 36px;
	}
}

.section-header p {
	font-size: 18px;
	color: #4b5563;
	max-width: 672px;
	margin: 0 auto;
}

.products-grid {
	max-width: 1280px;
	margin: 0 auto;
	display: grid;
	gap: 24px;
}

@media (min-width: 768px) {
	.products-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.products-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

.product-card {
	background: white;
	padding: 32px;
	border: 1px solid #f0f0f0;
	border-radius: 20px;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	cursor: pointer;
	position: relative;
	overflow: hidden;
	text-decoration: none;
	display: block;
	color: inherit;
}

.product-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, #0891b2, #f97316);
	transform: scaleX(0);
	transition: transform 0.3s;
}

.product-card:hover {
	box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
	transform: translateY(-8px);
}

.product-icon {
	width: 56px;
	height: 56px;
	background: linear-gradient(135deg, #dbeafe, #f3e8ff);
	border-radius: 12px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 20px;
	transition: background 0.3s;
}

.product-card:hover .product-icon {
	background: linear-gradient(135deg, #bfdbfe, #e9d5ff);
}

.product-icon svg {
	width: 48px;
	height: 48px;
	color: #2563eb;
	transition: color 0.3s;
}

.product-card:hover .product-icon svg {
	color: #9333ea;
}

.product-card h3 {
	font-size: 20px;
	font-weight: 600;
	color: #111827;
	margin-bottom: 12px;
	transition: color 0.3s;
}

.product-card:hover h3 {
	color: #2563eb;
}

.product-card p {
	font-size: 14px;
	color: #4b5563;
	line-height: 1.6;
}

.product-card .learn-more {
	margin-top: 16px;
	display: flex;
	align-items: center;
	color: #2563eb;
	font-size: 14px;
	font-weight: 500;
	opacity: 0;
	transition: opacity 0.3s;
}

.product-card:hover .learn-more {
	opacity: 1;
}

.product-card .learn-more svg {
	width: 16px;
	height: 16px;
	margin-left: 4px;
}

/* 数据展示区 */
.stats {
	padding: 80px 16px;
	background: linear-gradient(90deg, #2563eb, #9333ea);
}

@media (min-width: 640px) {
	.stats {
		padding: 80px 24px;
	}
}

@media (min-width: 1024px) {
	.stats {
		padding: 80px 32px;
	}
}

.stats-grid {
	max-width: 1280px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
	text-align: center;
	color: white;
}

@media (min-width: 768px) {
	.stats-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

.stats-grid .number {
	font-size: 36px;
	font-weight: 700;
	margin-bottom: 8px;
}

@media (min-width: 640px) {
	.stats-grid .number {
		font-size: 48px;
	}
}

.stats-grid .label {
	color: #bfdbfe;
}

/* 页脚 */
.footer {
	background: #111827;
	color: #d1d5db;
	padding: 48px 16px;
}

@media (min-width: 640px) {
	.footer {
		padding: 48px 24px;
	}
}

@media (min-width: 1024px) {
	.footer {
		padding: 48px 32px;
	}
}

.footer-grid {
	max-width: 1280px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
	margin-bottom: 32px;
}

@media (min-width: 768px) {
	.footer-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

.footer .logo {
	margin-bottom: 16px;
}

.footer .logo-text {
	color: white;
}

.footer p {
	font-size: 14px;
}

.footer h4 {
	color: white;
	font-weight: 600;
	margin-bottom: 16px;
}

.footer ul {
	list-style: none;
}

.footer li {
	margin-bottom: 8px;
}

.footer a {
	color: #9ca3af;
	text-decoration: none;
	font-size: 14px;
	transition: color 0.2s;
}

.footer a:hover {
	color: white;
}

.footer-bottom {
	border-top: 1px solid #374151;
	padding-top: 32px;
	text-align: center;
	font-size: 14px;
}

/* 页脚工具下拉菜单样式 */
.footer-solution-toggle {
	display: flex;
	align-items: center;
	gap: 2px;
	cursor: pointer;
	padding: 8px 0;
	color: #9ca3af;
	font-size: 14px;
	transition: color 0.2s;
}

.footer-solution-toggle:hover {
	color: white;
}

.footer-solution-toggle svg {
	width: 16px;
	height: 16px;
	transition: transform 0.3s;
	flex-shrink: 0;
}

.footer-solution-toggle.active svg {
	transform: rotate(180deg);
}

.footer-solution-menu {
	display: none;
	list-style: none;
	padding: 0;
	margin: 4px 0 8px 16px;
}

.footer-solution-menu.active {
	display: block;
}

.footer-solution-menu li {
	margin-bottom: 6px;
}

.footer-solution-menu a {
	color: #9ca3af;
	text-decoration: none;
	font-size: 13px;
	transition: color 0.2s;
}

.footer-solution-menu a:hover {
	color: white;
}


/* SVG 图标通用样式 */
svg {
	display: block;
}