:root {
	--primary: #3B82F6;
	--primary-dark: #1D4ED8;
	--primary-light: #60A5FA;
	--accent: #8B5CF6;
	--accent-light: #A78BFA;
	--success: #10B981;
	--dark: #0F172A;
	--darker: #020617;
	--light: #F8FAFC;
	--white: #FFFFFF;
	--gradient-primary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
	--gradient-secondary: linear-gradient(135deg, #1D4ED8 0%, #6D28D9 100%);
}

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

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
	color: var(--dark);
	line-height: 1.6;
	overflow-x: hidden;
	background: var(--white);
}

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

/* ========== 背景装饰 ========== */
.bg-decoration {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: -1;
	overflow: hidden;
}

.bg-decoration::before {
	content: '';
	position: absolute;
	top: -50%;
	right: -20%;
	width: 800px;
	height: 800px;
	background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
	border-radius: 50%;
	animation: float 20s ease-in-out infinite;
}

.bg-decoration::after {
	content: '';
	position: absolute;
	bottom: -30%;
	left: -10%;
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
	border-radius: 50%;
	animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
	0%, 100% { transform: translate(0, 0) scale(1); }
	50% { transform: translate(30px, -30px) scale(1.1); }
}

/* ========== 导航栏 ========== */
.navbar {
	position: fixed;
	top: 0;
	width: 100%;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20px);
	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
	z-index: 1000;
	padding: 15px 0;
	transition: all 0.3s ease;
}

.navbar.scrolled {
	padding: 10px 0;
	box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.navbar-brand {
	font-size: 1.5rem;
	font-weight: 700;
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	display: flex;
	align-items: center;
	gap: 10px;
}

.navbar-brand i {
	font-size: 1.8rem;
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: 40px;
	margin: 0;
	padding: 0;
}

.nav-menu a {
	font-weight: 500;
	color: var(--dark);
	font-size: 0.95rem;
	position: relative;
	padding: 5px 0;
}

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

.nav-menu a:hover::after, .nav-menu a.active::after {
	width: 100%;
}

.nav-menu a:hover, .nav-menu a.active {
	color: var(--primary);
}

.nav-cta {
	display: flex;
	gap: 15px;
	align-items: center;
}

/* ========== 动效按钮 ========== */
.btn {
	padding: 12px 28px;
	border-radius: 50px;
	font-weight: 600;
	font-size: 0.9rem;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
	border: none;
	cursor: pointer;
}

.btn::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 0;
	height: 0;
	background: rgba(255, 255, 255, 0.3);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
	width: 300px;
	height: 300px;
}

.btn-primary {
	background: var(--gradient-primary);
	color: var(--white);
	box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
	color: var(--white);
}

.btn-primary:active {
	transform: translateY(-1px);
}

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

.btn-outline:hover {
	background: var(--gradient-primary);
	color: var(--white);
	border-color: transparent;
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-glow {
	background: var(--gradient-primary);
	color: var(--white);
	box-shadow: 0 0 20px rgba(59, 130, 246, 0.5),
				0 0 40px rgba(139, 92, 246, 0.3);
	animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
	0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.5), 0 0 40px rgba(139, 92, 246, 0.3); }
	50% { box-shadow: 0 0 30px rgba(59, 130, 246, 0.7), 0 0 60px rgba(139, 92, 246, 0.5); }
}

/* ========== Hero 区域 ========== */
.hero {
	padding: 180px 0 120px;
	background: linear-gradient(180deg, #F0F4FF 0%, #FFFFFF 50%, #F8FAFC 100%);
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 100%;
	background: 
		radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
		radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
	pointer-events: none;
}

.hero-content h1 {
	font-size: 3.5rem;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 24px;
	color: var(--dark);
}

.hero-content h1 span {
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.hero-content p {
	font-size: 1.25rem;
	color: #64748B;
	margin-bottom: 40px;
	max-width: 600px;
	line-height: 1.8;
}

.hero-buttons {
	display: flex;
	gap: 16px;
	margin-bottom: 60px;
}

.hero-buttons .btn {
	padding: 16px 36px;
	font-size: 1rem;
}

.hero-stats {
	display: flex;
	gap: 60px;
	padding-top: 40px;
	border-top: 1px solid #E2E8F0;
}

.stat-item {
	position: relative;
}

.stat-item h3 {
	font-size: 2.5rem;
	font-weight: 700;
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 8px;
}

.stat-item p {
	color: #64748B;
	font-size: 0.9rem;
}

/* ========== 通用区块 ========== */
.section {
	padding: 120px 0;
}

.section-bg {
	background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.section-header {
	text-align: center;
	margin-bottom: 80px;
}

.section-header h2 {
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 16px;
	color: var(--dark);
	position: relative;
	display: inline-block;
}

.section-header h2::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: var(--gradient-primary);
	border-radius: 2px;
}

.section-header p {
	color: #64748B;
	max-width: 600px;
	margin: 20px auto 0;
	font-size: 1.1rem;
}

/* ========== 功能卡片 ========== */
.features-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.feature-card {
	background: var(--white);
	padding: 40px 30px;
	border-radius: 20px;
	border: 1px solid #E2E8F0;
	transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
	position: relative;
	overflow: hidden;
}

.feature-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: var(--gradient-primary);
	transform: scaleX(0);
	transition: transform 0.4s ease;
}

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

.feature-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 20px 50px rgba(59, 130, 246, 0.15);
	border-color: var(--primary-light);
}

.feature-icon {
	width: 64px;
	height: 64px;
	background: linear-gradient(135deg, #EFF6FF 0%, #E0E7FF 100%);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--gradient-primary);
	color: var(--white);
	font-size: 1.5rem;
	margin-bottom: 24px;
	transition: all 0.4s ease;
	box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.feature-card:hover .feature-icon {
	transform: scale(1.1) rotate(5deg);
	box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
}

.feature-card h3 {
	font-size: 1.25rem;
	font-weight: 600;
	margin-bottom: 12px;
	color: var(--dark);
}

.feature-card p {
	color: #64748B;
	font-size: 0.95rem;
	line-height: 1.7;
}

/* ========== 流程步骤 ========== */
.process-steps {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
	position: relative;
}

.process-steps::before {
	content: '';
	position: absolute;
	top: 40px;
	left: 10%;
	right: 10%;
	height: 3px;
	background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
	z-index: 0;
	border-radius: 3px;
}

.process-step {
	text-align: center;
	position: relative;
	z-index: 1;
}

.step-number {
	width: 80px;
	height: 80px;
	background: var(--white);
	border: 3px solid var(--primary);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
	font-weight: 700;
	background: var(--gradient-primary);
	color: var(--white);
	margin: 0 auto 24px;
	transition: all 0.4s ease;
	box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.process-step:hover .step-number {
	transform: scale(1.15);
	box-shadow: 0 12px 35px rgba(59, 130, 246, 0.5);
}

.process-step h3 {
	font-size: 1.1rem;
	font-weight: 600;
	margin-bottom: 8px;
	color: var(--dark);
}

.process-step p {
	color: #64748B;
	font-size: 0.9rem;
}

/* ========== CTA 区域 ========== */
.cta-section {
	background: var(--gradient-secondary);
	color: var(--white);
	text-align: center;
	padding: 100px 0;
	position: relative;
	overflow: hidden;
}

.cta-section::before {
	content: '';
	position: absolute;
	top: -50%;
	left: -50%;
	width: 200%;
	height: 200%;
	background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
	animation: rotate 30s linear infinite;
}

@keyframes rotate {
	from { transform: rotate(0deg); }
	to { transform: rotate(360deg); }
}

.cta-section h2 {
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 16px;
	position: relative;
}

.cta-section p {
	font-size: 1.1rem;
	opacity: 0.9;
	margin-bottom: 40px;
	position: relative;
}

.cta-section .btn-white {
	background: var(--white);
	color: var(--primary-dark);
	padding: 16px 48px;
	font-size: 1rem;
	position: relative;
	z-index: 1;
}

.cta-section .btn-white:hover {
	background: #F8FAFC;
	color: var(--primary);
	transform: translateY(-3px);
	box-shadow: 0 12px 35px rgba(0,0,0,0.3);
}

/* ========== 页脚 ========== */
.footer {
	background: var(--darker);
	color: #94A3B8;
	padding: 80px 0 40px;
	position: relative;
}

.footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
}

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

.footer-brand h3 {
	color: var(--white);
	font-size: 1.5rem;
	margin-bottom: 16px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.footer-brand h3 i {
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.footer-brand p {
	line-height: 1.8;
}

.footer-links h4 {
	color: var(--white);
	font-size: 1rem;
	margin-bottom: 24px;
}

.footer-links ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.footer-links li {
	margin-bottom: 12px;
}

.footer-links a {
	transition: all 0.3s ease;
	position: relative;
	padding-left: 0;
}

.footer-links a::before {
	content: '→';
	position: absolute;
	left: -15px;
	opacity: 0;
	transition: all 0.3s ease;
	color: var(--primary);
}

.footer-links a:hover {
	color: var(--white);
	padding-left: 20px;
}

.footer-links a:hover::before {
	opacity: 1;
	left: 0;
}

.footer-bar {
	border-top: 1px solid #1E293B;
	padding-top: 30px;
	text-align: center;
	color: #64748B;
	font-size: 0.9rem;
}

.footer-bar a {
	color: #94A3B8;
}

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

/* ========== 滚动动画 ========== */
.fade-in-up {
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.6s ease;
}

.fade-in-up.visible {
	opacity: 1;
	transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
	.nav-menu, .nav-cta { display: none; }
	.hero-content h1 { font-size: 2.5rem; }
	.features-grid { grid-template-columns: repeat(2, 1fr); }
	.process-steps { grid-template-columns: repeat(2, 1fr); }
	.process-steps::before { display: none; }
	.footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
	.hero { padding: 140px 0 80px; }
	.hero-content h1 { font-size: 2rem; }
	.hero-stats { flex-direction: column; gap: 30px; }
	.hero-buttons { flex-direction: column; }
	.features-grid { grid-template-columns: 1fr; }
	.process-steps { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; }
	.section { padding: 80px 0; }
}