:root {
	--primary: #4361ee;
	--primary-light: #4895ef;
	--secondary: #3a0ca3;
	--accent: #f72585;
	--accent-light: #ff7bbd;
	--light: #f8f9ff;
	--dark: #22223b;
	--gray: #8d99ae;
	--light-gray: #edf2f4;
	--shadow: 0 10px 30px rgba(67, 97, 238, 0.1);
	--shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.08);
	--radius: 12px;
	--transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	line-height: 1.6;
	color: var(--dark);
	background-color: #fff;
	overflow-x: hidden;
}

.container {
	width: 100%;
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

/* 顶部导航栏 - 现代化设计 */
header {
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
	position: sticky;
	top: 0;
	z-index: 1000;
	border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 18px 0;
}

.logo {
	display: flex;
	align-items: center;
	gap: 12px;
	text-decoration: none;
}

/* .logo-icon {
	width: 40px;
	height: 40px;
	background: linear-gradient(135deg, var(--primary), var(--secondary));
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 20px;
	box-shadow: 0 4px 12px rgba(67, 97, 238, 0.2);
} */

.logo-text {
	font-size: 24px;
	font-weight: 700;
	background: linear-gradient(to right, var(--primary), var(--secondary));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

nav ul {
	display: flex;
	list-style: none;
	gap: 8px;
}

nav li {
	position: relative;
}

nav a {
	text-decoration: none;
	color: var(--dark);
	font-weight: 500;
	padding: 12px 18px;
	border-radius: 8px;
	transition: var(--transition);
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 15px;
}

nav a:hover {
	background-color: rgba(67, 97, 238, 0.05);
	color: var(--primary);
}

nav a i {
	font-size: 12px;
	transition: var(--transition);
}

.dropdown {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	background-color: white;
	min-width: 220px;
	box-shadow: var(--shadow-heavy);
	border-radius: var(--radius);
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: var(--transition);
	z-index: 100;
	overflow: hidden;
	border: 1px solid rgba(0, 0, 0, 0.05);
}

li:hover .dropdown {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.dropdown li {
	width: 100%;
}

.dropdown a {
	padding: 14px 20px;
	display: flex;
	align-items: center;
	border-bottom: 1px solid rgba(0, 0, 0, 0.03);
	gap: 12px;
}

.dropdown a:hover {
	background-color: rgba(67, 97, 238, 0.08);
	padding-left: 24px;
}

.dropdown a i {
	font-size: 16px;
	width: 20px;
	text-align: center;
}

.header-buttons {
	display: flex;
	gap: 12px;
}

.btn {
	padding: 12px 24px;
	border-radius: 8px;
	font-weight: 600;
	cursor: pointer;
	transition: var(--transition);
	border: none;
	font-size: 15px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}

.btn-primary {
	background: linear-gradient(to right, var(--primary), var(--primary-light));
	color: white;
	box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(67, 97, 238, 0.4);
}

.btn-outline {
	background-color: transparent;
	color: var(--primary);
	border: 1px solid rgba(67, 97, 238, 0.3);
}

.btn-outline:hover {
	background-color: rgba(67, 97, 238, 0.05);
	border-color: var(--primary);
}

/* Banner区域 - 现代化设计 */
.banner {
	padding: 100px 0 80px;
	background: linear-gradient(135deg, #f8f9ff 0%, #edf2ff 100%);
	position: relative;
	overflow: hidden;
}

.banner::before {
	content: '';
	position: absolute;
	top: 0;
	right: 0;
	width: 60%;
	height: 100%;
	background: url("data:image/svg+xml,%3Csvg width='400' height='400' viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='%234361ee' fill-opacity='0.05' d='M39.5,-47.8C53.5,-36.5,68.6,-27.4,71.8,-15.8C75,-4.1,66.4,10.1,58.1,23.5C49.8,36.9,41.9,49.6,30.5,56.8C19.1,64,4.3,65.7,-9.4,63.4C-23.1,61.1,-35.7,54.8,-46.1,45C-56.5,35.2,-64.7,21.8,-67.4,7.1C-70.1,-7.7,-67.4,-23.8,-59.5,-36.8C-51.7,-49.9,-38.8,-60,-25.5,-70.5C-12.2,-81,1.1,-91.9,13.2,-89.1C25.3,-86.3,36.2,-69.7,39.5,-47.8Z' transform='translate(100 100)'/%3E%3C/svg%3E");
	background-size: cover;
	opacity: 0.7;
}

.banner-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	align-items: center;
	position: relative;
	z-index: 1;
}

.banner-content {
	max-width: 580px;
}

.banner h1 {
	font-size: 48px;
	line-height: 1.2;
	margin-bottom: 20px;
	font-weight: 700;
	background: linear-gradient(to right, var(--dark), var(--primary));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.banner p {
	font-size: 18px;
	color: var(--gray);
	margin-bottom: 32px;
	line-height: 1.7;
}

.banner-features {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	margin-bottom: 40px;
}

.banner-feature {
	display: flex;
	align-items: center;
	gap: 8px;
	background-color: white;
	padding: 10px 16px;
	border-radius: 50px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	font-size: 14px;
	font-weight: 500;
}

.banner-feature i {
	color: var(--accent);
	font-size: 16px;
}

.banner-slider {
	position: relative;
	height: 400px;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow-heavy);
}

.slide {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transition: opacity 0.8s ease;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding: 40px;
	background-color: white;
}

.slide.active {
	opacity: 1;
}

.slide-icon {
	width: 100px;
	height: 100px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 30px;
	font-size: 40px;
	color: white;
}

.slide:nth-child(1) .slide-icon {
	background: linear-gradient(135deg, #4361ee, #3a0ca3);
}

.slide:nth-child(2) .slide-icon {
	background: linear-gradient(135deg, #f72585, #b5179e);
}

.slide:nth-child(3) .slide-icon {
	background: linear-gradient(135deg, #4cc9f0, #4895ef);
}

.slide h3 {
	font-size: 24px;
	margin-bottom: 12px;
	color: var(--dark);
}

.slide p {
	text-align: center;
	color: var(--gray);
	max-width: 300px;
}

.slider-controls {
	position: absolute;
	bottom: 24px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	z-index: 10;
}

.slider-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background-color: rgba(0, 0, 0, 0.1);
	cursor: pointer;
	transition: var(--transition);
}

.slider-dot.active {
	background-color: var(--primary);
	width: 30px;
	border-radius: 10px;
}

/* 功能区域 */
.features {
	padding: 100px 0;
	background-color: white;
}

.section-header {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 60px;
}

.section-header h2 {
	font-size: 40px;
	margin-bottom: 16px;
	font-weight: 700;
	color: var(--dark);
}

.section-header p {
	font-size: 18px;
	color: var(--gray);
	line-height: 1.6;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 30px;
}

.feature-card {
	background-color: white;
	border-radius: var(--radius);
	padding: 40px 30px;
	box-shadow: var(--shadow);
	transition: var(--transition);
	border: 1px solid rgba(0, 0, 0, 0.03);
	position: relative;
	overflow: hidden;
}

.feature-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background: linear-gradient(to right, var(--primary), var(--primary-light));
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.5s ease;
}

.feature-card:hover {
	transform: translateY(-10px);
	box-shadow: var(--shadow-heavy);
}

.feature-card:hover::before {
	transform: scaleX(1);
}

.feature-icon {
	width: 70px;
	height: 70px;
	border-radius: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 24px;
	font-size: 30px;
	color: white;
}

.feature-card:nth-child(1) .feature-icon {
	background: linear-gradient(135deg, #4361ee, #3a0ca3);
}

.feature-card:nth-child(2) .feature-icon {
	background: linear-gradient(135deg, #f72585, #b5179e);
}

.feature-card:nth-child(3) .feature-icon {
	background: linear-gradient(135deg, #4cc9f0, #4895ef);
}

.feature-card:nth-child(4) .feature-icon {
	background: linear-gradient(135deg, #7209b7, #560bad);
}

.feature-card:nth-child(5) .feature-icon {
	background: linear-gradient(135deg, #ff9e00, #ff7b00);
}

.feature-card:nth-child(6) .feature-icon {
	background: linear-gradient(135deg, #06d6a0, #04a777);
}

.feature-card h3 {
	font-size: 22px;
	margin-bottom: 16px;
	color: var(--dark);
}

.feature-card p {
	color: var(--gray);
	margin-bottom: 20px;
}

.feature-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--primary);
	font-weight: 500;
	text-decoration: none;
	font-size: 15px;
}

.feature-link i {
	transition: var(--transition);
}

.feature-link:hover i {
	transform: translateX(5px);
}

/* 特色介绍 */
.highlights {
	padding: 100px 0;
	background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
}

.highlight-item {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	align-items: center;
	margin-bottom: 100px;
}

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

.highlight-image {
	position: relative;
}

.highlight-image-bg {
	width: 100%;
	height: 400px;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow-heavy);
	position: relative;
}

.highlight-image-bg::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(58, 12, 163, 0.1));
	z-index: 1;
}

.highlight-image-content {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 2;
	text-align: center;
	width: 80%;
}

.highlight-image-content i {
	font-size: 80px;
	margin-bottom: 20px;
	color: var(--primary);
}

.highlight-image-content h4 {
	font-size: 24px;
	color: var(--dark);
	margin-bottom: 10px;
}

.highlight-content h3 {
	font-size: 36px;
	margin-bottom: 20px;
	color: var(--dark);
	line-height: 1.3;
}

.highlight-content p {
	color: var(--gray);
	margin-bottom: 30px;
	font-size: 17px;
	line-height: 1.7;
}

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

.highlight-list li {
	margin-bottom: 16px;
	display: flex;
	align-items: flex-start;
	gap: 12px;
}

.highlight-list i {
	color: var(--accent);
	margin-top: 4px;
	font-size: 18px;
}

/* Footer */
footer {
	background-color: var(--dark);
	color: white;
	padding: 80px 0 40px;
}

.footer-content {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 50px;
	margin-bottom: 60px;
}

.footer-column h3 {
	font-size: 20px;
	margin-bottom: 24px;
	position: relative;
	padding-bottom: 12px;
	color: white;
}

.footer-column h3::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 40px;
	height: 3px;
	background: linear-gradient(to right, var(--primary), var(--accent));
	border-radius: 3px;
}

.footer-about p {
	color: #b0b7c3;
	margin-bottom: 24px;
	line-height: 1.7;
}

.footer-links {
	list-style: none;
}

.footer-links li {
	margin-bottom: 14px;
}

.footer-links a {
	color: #b0b7c3;
	text-decoration: none;
	transition: var(--transition);
	display: flex;
	align-items: center;
	gap: 10px;
}

.footer-links a:hover {
	color: white;
	transform: translateX(5px);
}

.footer-links a i {
	font-size: 12px;
	opacity: 0.7;
}

.social-links {
	display: flex;
	gap: 15px;
	margin-top: 20px;
}

.social-link {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background-color: rgba(255, 255, 255, 0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	transition: var(--transition);
	text-decoration: none;
}

.social-link:hover {
	background-color: var(--primary);
	transform: translateY(-3px);
}

.footer-bottom {
	text-align: center;
	padding-top: 40px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	color: #b0b7c3;
	font-size: 15px;
}

/* 响应式设计 */
@media (max-width: 1100px) {
	.highlight-item {
		gap: 50px;
	}

	.footer-content {
		grid-template-columns: 1fr 1fr;
		gap: 40px;
	}
}

@media (max-width: 900px) {
	.banner-container {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 50px;
	}

	.banner-features {
		justify-content: center;
	}

	.highlight-item {
		grid-template-columns: 1fr;
		gap: 50px;
	}

	nav ul {
		display: none;
	}

	.mobile-menu-btn {
		display: block;
	}
}

@media (max-width: 768px) {
	.banner h1 {
		font-size: 36px;
	}

	.section-header h2 {
		font-size: 32px;
	}

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

	.footer-content {
		grid-template-columns: 1fr;
		gap: 40px;
	}
}

@media (max-width: 576px) {
	.banner {
		padding: 80px 0 60px;
	}

	.features,
	.highlights {
		padding: 80px 0;
	}

	.header-buttons {
		display: none;
	}
}