/* 落地页通用样式 */
:root {
	--primary: #3b82f6;
	--primary-dark: #2563eb;
	--bg-light: #f8fafc;
	--bg-white: #ffffff;
	--text-dark: #1e293b;
	--text-gray: #64748b;
	--border: #e2e8f0;
	--shadow: 0 1px 3px rgba(0,0,0,0.1);
	--shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

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

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
	line-height: 1.6;
	color: var(--text-dark);
	background: var(--bg-light);
}

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

/* 头部 */
.header {
	background: var(--bg-white);
	border-bottom: 1px solid var(--border);
	padding: 1rem 0;
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: var(--shadow);
}

.header-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--primary);
	text-decoration: none;
}

.header-nav a {
	margin-left: 2rem;
	color: var(--text-gray);
	text-decoration: none;
	transition: color 0.2s;
}

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

/* Hero 区 */
.hero {
	padding: 4rem 0;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	text-align: center;
}

.hero h1 {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	font-weight: 700;
}

.hero-subtitle {
	font-size: 1.25rem;
	margin-bottom: 2rem;
	opacity: 0.95;
}

.cta-button {
	display: inline-block;
	padding: 1rem 2.5rem;
	background: white;
	color: var(--primary);
	font-weight: 600;
	border-radius: 8px;
	text-decoration: none;
	transition: transform 0.2s, box-shadow 0.2s;
	box-shadow: var(--shadow-lg);
}

.cta-button:hover {
	transform: translateY(-2px);
	box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

/* 内容区 */
.section {
	padding: 4rem 0;
}

.section-title {
	font-size: 2rem;
	margin-bottom: 1rem;
	font-weight: 700;
	text-align: center;
}

.section-intro {
	text-align: center;
	color: var(--text-gray);
	margin-bottom: 3rem;
	font-size: 1.1rem;
}

/* 对比表格 */
.comparison-table {
	background: var(--bg-white);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: var(--shadow-lg);
	margin: 2rem 0;
}

.comparison-table table {
	width: 100%;
	border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
	padding: 1rem;
	text-align: left;
	border-bottom: 1px solid var(--border);
}

.comparison-table th {
	background: var(--bg-light);
	font-weight: 600;
	color: var(--text-dark);
}

.comparison-table tr:last-child td {
	border-bottom: none;
}

.comparison-table .highlight {
	background: #eff6ff;
	font-weight: 500;
}

.icon-check {
	color: #10b981;
}

.icon-cross {
	color: #ef4444;
}

.icon-partial {
	color: #f59e0b;
}

/* 特性卡片 */
.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 2rem;
	margin: 3rem 0;
}

.feature-card {
	background: var(--bg-white);
	padding: 2rem;
	border-radius: 12px;
	box-shadow: var(--shadow);
	transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
}

.feature-icon {
	font-size: 2.5rem;
	margin-bottom: 1rem;
}

.feature-card h3 {
	margin-bottom: 0.5rem;
	color: var(--text-dark);
}

.feature-card p {
	color: var(--text-gray);
	line-height: 1.7;
}

/* 内容块 */
.content-block {
	background: var(--bg-white);
	padding: 2rem;
	border-radius: 12px;
	margin: 2rem 0;
	box-shadow: var(--shadow);
}

.content-block h2 {
	margin-bottom: 1rem;
	color: var(--primary);
}

.content-block h3 {
	margin: 1.5rem 0 0.5rem;
	color: var(--text-dark);
}

.content-block ul,
.content-block ol {
	margin-left: 1.5rem;
	margin-bottom: 1rem;
}

.content-block li {
	margin-bottom: 0.5rem;
	color: var(--text-gray);
}

.content-block strong {
	color: var(--text-dark);
}

/* 统计数据 */
.stats-row {
	display: flex;
	justify-content: space-around;
	flex-wrap: wrap;
	gap: 2rem;
	margin: 3rem 0;
}

.stat-item {
	text-align: center;
}

.stat-number {
	font-size: 3rem;
	font-weight: 700;
	color: var(--primary);
	display: block;
}

.stat-label {
	color: var(--text-gray);
	margin-top: 0.5rem;
}

/* FAQ */
.faq-item {
	background: var(--bg-white);
	padding: 1.5rem;
	border-radius: 8px;
	margin-bottom: 1rem;
	box-shadow: var(--shadow);
}

.faq-item h3 {
	margin-bottom: 0.5rem;
	color: var(--primary);
}

.faq-item p {
	color: var(--text-gray);
}

/* 页脚 */
.footer {
	background: var(--text-dark);
	color: white;
	padding: 3rem 0 1.5rem;
	margin-top: 4rem;
}

.footer-content {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-section h3 {
	margin-bottom: 1rem;
	font-size: 1.1rem;
}

.footer-section a {
	display: block;
	color: rgba(255,255,255,0.7);
	text-decoration: none;
	margin-bottom: 0.5rem;
	transition: color 0.2s;
}

.footer-section a:hover {
	color: white;
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 1px solid rgba(255,255,255,0.1);
	color: rgba(255,255,255,0.6);
}

/* 响应式 */
@media (max-width: 768px) {
	.hero h1 {
		font-size: 2rem;
	}
	
	.hero-subtitle {
		font-size: 1.1rem;
	}
	
	.section-title {
		font-size: 1.75rem;
	}
	
	.header-nav {
		display: none;
	}
	
	.features-grid {
		grid-template-columns: 1fr;
	}
	
	.comparison-table {
		overflow-x: auto;
	}
	
	.comparison-table th,
	.comparison-table td {
		padding: 0.75rem;
		font-size: 0.9rem;
	}
	
	.stats-row {
		flex-direction: column;
	}
	
	.stat-number {
		font-size: 2.5rem;
	}
}