 :root {
	--primary: #2563eb;
	--primary-light: #3b82f6;
	--primary-dark: #1d4ed8;
	--secondary: #10b981;
	--accent: #f59e0b;
	--dark: #0f172a;
	--dark-light: #1e293b;
	--light: #f8fafc;
	--gray: #64748b;
	--light-gray: #e2e8f0;
	--gradient: linear-gradient(135deg, var(--primary), var(--primary-dark));
	--gradient-secondary: linear-gradient(135deg, var(--secondary), #059669);
	--menu-height: 80px;
	--menu-item-padding: 0 20px;
	--dropdown-width: 220px;
}
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

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

/* 导航栏 */
.navbar {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: var(--menu-height);
	background: rgba(255, 255, 255, 0.98);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 0 5%;
	z-index: 1000;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	border-bottom: 1px solid rgba(0, 0, 0, 0.05);
	transition: all 0.3s ease;
}

.navbar.scrolled {
	height: 70px;
	box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Logo设计 */
.logo {
	display: flex;
	align-items: center;
	gap: 12px;
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--dark);
	text-decoration: none;
	transition: all 0.3s ease;
}

.logo-icon {
	width: 42px;
	height: 42px;
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s ease;
}

.navbar.scrolled .logo-icon {
	width: 36px;
	height: 36px;
}

.logo-icon i {
	font-size: 20px;
	color: white;
}

.logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.logo-subtitle {
	font-size: 0.7rem;
	font-weight: 400;
	color: var(--gray);
	margin-top: 2px;
}
.icon {
    margin-right: 8px;
}
/* 主导航菜单 */
.nav-menu {
	display: flex;
	align-items: center;
	height: 100%;
}

.nav-item {
	position: relative;
	height: 100%;
	display: flex;
	align-items: center;
}

.nav-link {
	color: var(--dark);
	text-decoration: none;
	font-weight: 500;
	padding: var(--menu-item-padding);
	display: flex;
	align-items: center;
	transition: all 0.3s ease;
	position: relative;
}

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

.nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 3px;
	background: var(--gradient);
	transition: width 0.3s ease;
	border-radius: 2px 2px 0 0;
}

.nav-link:hover::after,
.nav-item.active .nav-link::after {
	width: 70%;
}

.nav-item.active .nav-link {
	color: var(--primary);
	font-weight: 600;
}

/* 下拉菜单设计 */
.dropdown {
	position: absolute;
	top: 100%;
	left: 0;
	width: var(--dropdown-width);
	background: white;
	border-radius: 12px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: all 0.3s ease;
	z-index: 1000;
	padding: 10px 0;
}

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

.dropdown-item {
	display: block;
	padding: 12px 20px;
	color: var(--dark);
	text-decoration: none;
	font-size: 0.95rem;
	transition: all 0.2s ease;
	position: relative;
}

.dropdown-item:hover {
	color: var(--primary);
	background: rgba(37, 99, 235, 0.05);
}

.dropdown-item::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 0;
	background: var(--gradient);
	border-radius: 0 2px 2px 0;
	transition: height 0.2s ease;
}

.dropdown-item:hover::before {
	height: 60%;
}

.dropdown-divider {
	height: 1px;
	background: var(--light-gray);
	margin: 8px 0;
}

/* CTA按钮设计 */
.nav-cta {
	background: var(--gradient);
	color: white !important;
	padding: 12px 24px;
	border-radius: 8px;
	font-weight: 500;
	transition: all 0.3s ease;
	box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
	margin-left: 20px;
	display: flex;
	align-items: center;
	text-decoration: none;
	gap: 8px;
}

.nav-cta:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* 移动端菜单按钮 */
.menu-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	width: 30px;
	height: 30px;
	cursor: pointer;
}

.menu-toggle span {
	width: 100%;
	height: 2px;
	background: var(--dark);
	margin: 3px 0;
	transition: all 0.3s ease;
	transform-origin: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
	.menu-toggle {
		display: flex;
	}
	
	.nav-menu {
		position: fixed;
		top: var(--menu-height);
		left: -100%;
		width: 80%;
		max-width: 320px;
		height: calc(100vh - var(--menu-height));
		background: white;
		flex-direction: column;
		align-items: flex-start;
		padding: 30px;
		box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
		transition: left 0.3s ease;
		overflow-y: auto;
	}
	
	.nav-menu.active {
		left: 0;
	}
	
	.nav-item {
		width: 100%;
		height: auto;
		margin-bottom: 15px;
	}
	
	.nav-link {
		height: auto;
		padding: 12px 0;
		width: 100%;
	}
	
	.dropdown {
		position: static;
		width: 100%;
		box-shadow: none;
		opacity: 1;
		visibility: visible;
		transform: none;
		margin-top: 10px;
		display: none;
	}
	
	.nav-item:hover .dropdown {
		transform: none;
	}
	
	.dropdown.active {
		display: block;
	}
	
	.nav-cta {
		margin-left: 0;
		margin-top: 20px;
		justify-content: center;
		width: 100%;
	}
}

.hide {
	display: none !important;
}

/* 底部 */
.footer {
	background: var(--dark);
	color: white;
	padding: 80px 5% 40px;
}

.footer-container {
	max-width: 1200px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 40px;
}

.footer-col {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.footer-logo {
	display: flex;
	align-items: center;
	gap: 12px;
	font-weight: 700;
	font-size: 1.3rem;
	color: white;
	text-decoration: none;
}

.footer-desc {
	color: var(--light-gray);
	line-height: 1.6;
}

.footer-title {
	font-size: 1.1rem;
	font-weight: 600;
	margin-bottom: 10px;
}

.footer-links {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.footer-link {
	color: var(--light-gray);
	text-decoration: none;
	transition: all 0.3s ease;
}

.footer-link:hover {
	color: white;
}

.contact-info {
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.contact-item {
	display: flex;
	align-items: center;
	gap: 12px;
}

.contact-icon {
	width: 20px;
	height: 20px;
	color: var(--primary-light);
}

.footer-bottom {
	margin-top: 60px;
	padding-top: 30px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	text-align: center;
	color: var(--light-gray);
	font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
	.hero-content {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 40px;
	}
	
	.hero-text {
		align-items: center;
	}
	
	.hero-actions {
		justify-content: center;
	}
	
	.footer-container {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 768px) {
	.navbar {
		padding: 16px 24px;
	}
	
	.nav-links {
		display: none;
	}
	
	.hero-title {
		font-size: 2.5rem;
	}
	
	.hero-stats {
		grid-template-columns: 1fr;
	}
	
	.hero-actions {
		flex-direction: column;
		gap: 16px;
	}
	
	.btn {
		width: 100%;
		justify-content: center;
	}
	
	.advantages-grid,
	.features-grid,
	.cases-grid {
		grid-template-columns: 1fr;
	}
	
	.cta-buttons {
		flex-direction: column;
	}
	
	.footer-container {
		grid-template-columns: 1fr;
		gap: 30px;
	}
}

@media (max-width: 480px) {
	.hero-title {
		font-size: 2rem;
	}
	
	.section-title {
		font-size: 2rem;
	}
	
	.advantage-card,
	.feature-card,
	.case-card {
		padding: 30px;
	}
}
/* 页面装载 */
.loading {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0,0,0,0.1);
	z-index: 9999;
	display: flex;
	justify-content: center;
	align-items: center;
}

.loading-spinner {
	width: 50px;
	height: 50px;
	border: 5px solid #f3f3f3;
	border-top: 5px solid var(--primary-color);
	border-radius: 50%;
	animation: spin 1s linear infinite;
}
@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}
.loadinghidden {
	display: none !important;
}

.ajaxloading{outline:0 solid #000;position:fixed;left:0;right:0;top:0;bottom:0;z-index:10001;width:100%;height:100%;background:rgba(255,255,255,.8);opacity:.3;display:none}
.ajaxloading img{display:block;position:absolute;left:50%;top:50%;margin-left:-24px;margin-top:-24px}
#onesecond{display:none;position:fixed;top:50%;left:54%;width:20rem;margin-left:-11rem;margin-top:-17px;text-align:center;background:rgba(0,0,0,.7);line-height:1.8rem;color:#fff;min-height:1.8rem;border-radius:5px;z-index:1080;padding:5px}
#onesecond p{line-height:1.8rem;padding:0;margin:0}

 /* 屏幕(≥640px)时隐藏.pc-hide元素,屏幕(<640px)时隐藏.md-hide元素 */
@media screen and (min-width: 640px) {
	.pc-hide {display: none;}
}
@media screen and (max-width: 640px) {
	.md-hide {display: none !important;}
}