/* 基础变量 */
 :root {
 	--primary: #4f46e5;
 	--primary-light: #a5b4fc;
 	--secondary: #10b981;
 	--accent: #f59e0b;
 	--dark: #1e293b;
 	--light: #f8fafc;
 	--gray: #64748b;
 	--border: #e2e8f0;
 }

 /* 基础样式 */
 * {
 	margin: 0;
 	padding: 0;
 	box-sizing: border-box;
 	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
 }

 body {
 	background-color: var(--light);
 	color: var(--dark);
 	line-height: 1.6;
 }

 .container {
 	width: 100%;
 	max-width: 1200px;
 	margin: 0 auto;
 	padding: 0 20px;
 }

 .section {
 	padding: 100px 0;
 }

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

 .section-title h2 {
 	font-size: 2.8rem;
 	font-weight: 700;
 	color: var(--dark);
 	margin-bottom: 15px;
 	position: relative;
 	display: inline-block;
 }

 .section-title h2::after {
 	content: '';
 	position: absolute;
 	bottom: -10px;
 	left: 50%;
 	transform: translateX(-50%);
 	width: 80px;
 	height: 4px;
 	background: var(--accent);
 	border-radius: 2px;
 }

 .section-title p {
 	color: var(--gray);
 	max-width: 700px;
 	margin: 0 auto;
 	font-size: 1.2rem;
 }

 .btn {
 	display: inline-block;
 	padding: 14px 32px;
 	border-radius: 8px;
 	font-weight: 600;
 	text-align: center;
 	transition: all 0.3s ease;
 	cursor: pointer;
 	font-size: 1.1rem;
 	border: none;
 }

 .btn-primary {
 	background-color: var(--primary);
 	color: white;
 	box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
 }

 .btn-primary:hover {
 	background-color: #4338ca;
 	transform: translateY(-2px);
 	box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
 }

 .btn-outline {
 	border: 2px solid var(--primary);
 	color: var(--primary);
 	background: transparent;
 }

 .btn-outline:hover {
 	background: var(--primary);
 	color: white;
 }

 /* 头部样式 */
 header {
 	background-color: white;
 	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
 	position: sticky;
 	top: 0;
 	z-index: 100;
 }

 .header-container {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	padding: 20px 0;
 }

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

 .logo img {
 	height: 48px;
 	margin-right: 12px;
 }

 .logo-text {
 	font-size: 1.8rem;
 	font-weight: 700;
 	color: var(--primary);
 	letter-spacing: -0.5px;
 }

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

 nav ul li {
 	margin-left: 35px;
 }

 nav ul li a {
 	font-weight: 500;
 	color: var(--dark);
 	padding: 5px 0;
 	position: relative;
 	font-size: 1.1rem;
 }

 nav ul li a::after {
 	content: '';
 	position: absolute;
 	bottom: 0;
 	left: 0;
 	width: 0;
 	height: 2px;
 	background: var(--primary);
 	transition: width 0.3s ease;
 }

 nav ul li a:hover::after {
 	width: 100%;
 }

 .mobile-menu-btn {
 	display: none;
 	font-size: 28px;
 	cursor: pointer;
 	color: var(--dark);
 }

 /* 英雄区域 */
 .hero {
 	background: linear-gradient(to right, #f8fafc 0%, #f1f5f9 100%);
 	padding: 120px 0;
 	position: relative;
 	overflow: hidden;
 }

 .hero-container {
 	display: flex;
 	align-items: center;
 	position: relative;
 	z-index: 1;
 }

 .hero-content {
 	flex: 1;
 	padding-right: 60px;
 }

 .hero-image {
 	flex: 1;
 	position: relative;
 	text-align: center;
 }

 .hero-image img {
 	max-width: 100%;
 	border-radius: 12px;
 	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
 }

 .hero h1 {
 	font-size: 3.2rem;
 	margin-bottom: 20px;
 	line-height: 1.2;
 	color: var(--dark);
 }

 .hero h1 span {
 	color: var(--primary);
 }

 .hero p {
 	font-size: 1.3rem;
 	margin-bottom: 30px;
 	color: var(--gray);
 }

 .hero-buttons {
 	display: flex;
 	gap: 20px;
 }

 /* 特性区域 */
 .features {
 	background-color: white;
 }

 .features-container {
 	display: grid;
 	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
 	gap: 40px;
 }

 .feature-card {
 	background: white;
 	border-radius: 12px;
 	padding: 50px 40px;
 	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
 	border: 1px solid var(--border);
 	transition: all 0.3s ease;
 }

 .feature-card:hover {
 	transform: translateY(-5px);
 	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
 	border-color: var(--primary-light);
 }

 .feature-icon {
 	width: 70px;
 	height: 70px;
 	background: rgba(79, 70, 229, 0.1);
 	border-radius: 16px;
 	display: flex;
 	align-items: center;
 	justify-content: center;
 	margin-bottom: 30px;
 }

 .feature-icon img {
 	width: 36px;
 	height: 36px;
 }

 .feature-card h3 {
 	font-size: 1.5rem;
 	margin-bottom: 20px;
 	color: var(--dark);
 }

 .feature-card p {
 	color: var(--gray);
 	margin-bottom: 25px;
 }

 /* 收益展示 */
 .benefits {
 	background: linear-gradient(to right, var(--primary), #4338ca);
 	color: white;
 }

 .benefits .section-title h2,
 .benefits .section-title p {
 	color: white;
 }

 .benefits-grid {
 	display: grid;
 	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
 	gap: 30px;
 }

 .benefit-item {
 	text-align: center;
 	padding: 40px 30px;
 	background: rgba(255, 255, 255, 0.1);
 	border-radius: 12px;
 	backdrop-filter: blur(5px);
 	border: 1px solid rgba(255, 255, 255, 0.2);
 	transition: all 0.3s ease;
 }

 .benefit-item:hover {
 	background: rgba(255, 255, 255, 0.15);
 }

 .benefit-item img {
 	width: 60px;
 	height: 60px;
 	margin-bottom: 25px;
 }

 .benefit-item h3 {
 	font-size: 2.5rem;
 	margin-bottom: 10px;
 	font-weight: 700;
 }

 /* 推广流程 */
 .process {
 	background-color: var(--light);
 }

 .process-steps {
 	display: flex;
 	justify-content: space-between;
 	margin-top: 60px;
 	position: relative;
 }

 .process-line {
 	position: absolute;
 	top: 50px;
 	left: 0;
 	right: 0;
 	height: 2px;
 	background: linear-gradient(to right, var(--primary), var(--secondary));
 	z-index: 1;
 }

 .step {
 	width: calc(25% - 30px);
 	text-align: center;
 	position: relative;
 	z-index: 2;
 }

 .step-number {
 	width: 60px;
 	height: 60px;
 	background: white;
 	color: var(--primary);
 	border-radius: 50%;
 	display: flex;
 	align-items: center;
 	justify-content: center;
 	font-size: 1.8rem;
 	font-weight: bold;
 	margin: 0 auto 25px;
 	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 	border: 2px solid var(--primary);
 }

 .step-content {
 	padding: 30px;
 	background: white;
 	border-radius: 12px;
 	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
 	border: 1px solid var(--border);
 }

 .step-content h3 {
 	font-size: 1.4rem;
 	margin-bottom: 15px;
 	color: var(--dark);
 }

 /* 合作伙伴 */
 .partners {
 	background-color: white;
 }

 .partners-grid {
 	display: flex;
 	flex-wrap: wrap;
 	justify-content: center;
 	align-items: center;
 	gap: 50px;
 	margin-top: 50px;
 	padding: 40px;
 	background: rgb(63 56 167 / 68%);
 	border-radius: 16px;
 	border: 1px dashed rgba(79, 70, 229, 0.2);
 }

 .partner-logo {
 	height: 50px;
 	opacity: 0.7;
 	transition: all 0.3s ease;
 }

 .partner-logo:hover {
 	opacity: 1;
 }

 /* 行动号召 */
 .cta {
 	text-align: center;
 	padding: 100px 0;
 	background: url('../images/photo-1600880292203-757bb62b4baf.avif') center/cover no-repeat;
 	position: relative;
 	color: white;
 }

 .cta::before {
 	content: '';
 	position: absolute;
 	top: 0;
 	left: 0;
 	width: 100%;
 	height: 100%;
 	background: rgba(30, 41, 59, 0.8);
 }

 .cta-content {
 	position: relative;
 	z-index: 1;
 	max-width: 800px;
 	margin: 0 auto;
 }

 .cta h2 {
 	font-size: 2.8rem;
 	margin-bottom: 25px;
 }

 .cta p {
 	font-size: 1.3rem;
 	margin-bottom: 40px;
 	opacity: 0.9;
 }

 /* 页脚 */
 footer {
 	background-color: var(--dark);
 	color: #94a3b8;
 	padding: 100px 0 50px;
 }

 .footer-grid {
 	display: grid;
 	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
 	gap: 50px;
 	margin-bottom: 60px;
 }

 .footer-logo {
 	display: flex;
 	align-items: center;
 	margin-bottom: 25px;
 }

 .footer-logo img {
 	height: 50px;
 	margin-right: 15px;
 }

 .footer-logo-text {
 	font-size: 1.8rem;
 	font-weight: 700;
 	color: white;
 }

 .footer-about p {
 	margin-bottom: 25px;
 	font-size: 1.1rem;
 	line-height: 1.7;
 }

 .footer-column h3 {
 	color: white;
 	font-size: 1.3rem;
 	margin-bottom: 30px;
 	position: relative;
 	padding-bottom: 15px;
 }

 .footer-column h3::after {
 	content: '';
 	position: absolute;
 	bottom: 0;
 	left: 0;
 	width: 50px;
 	height: 3px;
 	background: var(--accent);
 }

 .footer-column ul {
 	list-style: none;
 }

 .footer-column ul li {
 	margin-bottom: 15px;
 }

 .footer-column ul li a {
 	color: #94a3b8;
 	transition: all 0.3s ease;
 	font-size: 1.1rem;
 }

 .footer-column ul li a:hover {
 	color: white;
 	padding-left: 5px;
 }

 .social-links {
 	display: flex;
 	gap: 15px;
 	margin-top: 25px;
 }

 .social-links a {
 	display: inline-flex;
 	align-items: center;
 	justify-content: center;
 	width: 45px;
 	height: 45px;
 	background-color: #334155;
 	border-radius: 50%;
 	color: white;
 	transition: all 0.3s ease;
 }

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

 .footer-bottom {
 	text-align: center;
 	padding-top: 40px;
 	border-top: 1px solid #334155;
 	font-size: 0.9rem;
 }

 /* 响应式设计 */
 @media (max-width: 1024px) {
 	.hero-container {
 		flex-direction: column;
 	}

 	.hero-content {
 		padding-right: 0;
 		margin-bottom: 60px;
 		text-align: center;
 	}

 	.hero-buttons {
 		justify-content: center;
 	}

 	.step {
 		width: calc(50% - 20px);
 		margin-bottom: 60px;
 	}

 	.process-line {
 		display: none;
 	}
 }

 @media (max-width: 768px) {
 	.header-container {
 		padding: 15px;
 	}

 	nav {
 		display: none;
 		position: absolute;
 		top: 90px;
 		left: 0;
 		right: 0;
 		background-color: white;
 		padding: 30px;
 		box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 	}

 	nav.active {
 		display: block;
 	}

 	nav ul {
 		flex-direction: column;
 	}

 	nav ul li {
 		margin: 20px 0;
 	}

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

 	.hero h1 {
 		font-size: 2.5rem;
 	}

 	.hero p {
 		font-size: 1.1rem;
 	}

 	.section {
 		padding: 80px 0;
 	}

 	.section-title h2 {
 		font-size: 2.2rem;
 	}

 	.benefit-item h3 {
 		font-size: 2rem;
 	}

 	.partner-logo {
 		height: 40px;
 	}
 }

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

 	.hero h1 {
 		font-size: 2rem;
 	}

 	.hero-buttons {
 		flex-direction: column;
 		gap: 15px;
 	}

 	.btn {
 		width: 100%;
 	}

 	.step {
 		width: 100%;
 	}

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

 	.cta h2 {
 		font-size: 2rem;
 	}
 }