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

body {
	font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
	background-color: #ffffff;
	color: #1e2a3e;
	line-height: 1.5;
	scroll-behavior: smooth;
}

/* 配色：深蓝主调，搭配中国红、金色点缀，白色简洁 */
:root {
	--primary-dark: #0a2942;      /* 深蓝黑，稳重 */
	--primary-blue: #1e4a76;      /* 商务蓝 */
	--accent-red: #b43b2c;        /* 中国红，点缀 */
	--accent-gold: #c7a23b;        /* 雅金 */
	--gray-bg: #f8fafc;
	--gray-border: #e2e8f0;
	--text-dark: #0f172a;
	--text-muted: #475569;
	--white: #ffffff;
	--shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
	--shadow-md: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
}

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

/* 导航栏 */
.navbar {
	position: sticky;
	top: 0;
	z-index: 1000;
	background-color: rgba(255, 255, 255, 0.96);
	backdrop-filter: blur(8px);
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
	border-bottom: 1px solid var(--gray-border);
}

.nav-container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	padding: 1rem 24px;
	max-width: 1400px;
	margin: 0 auto;
}

.logo {
	font-size: 1.8rem;
	font-weight: 700;
	letter-spacing: -0.02em;
	background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	text-decoration: none;
}

.logo span {
	color: var(--accent-red);
	background: none;
	-webkit-background-clip: unset;
	background-clip: unset;
}

.nav-links {
	display: flex;
	gap: 2rem;
	list-style: none;
}

.nav-links a {
	text-decoration: none;
	font-weight: 500;
	color: var(--text-dark);
	transition: color 0.2s;
	font-size: 1rem;
}

.nav-links a:hover {
	color: var(--accent-red);
}

/* 轮播区 */
.carousel {
	position: relative;
	width: 100%;
	height: 85vh;
	min-height: 500px;
	overflow: hidden;
	background-color: #0a2942;
}

.carousel-slides {
	position: relative;
	width: 100%;
	height: 100%;
}

.slide {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center 30%;
	background-repeat: no-repeat;
	opacity: 0;
	transition: opacity 0.8s ease-in-out;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
}

.slide.active {
	opacity: 1;
	z-index: 1;
}

.slide::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(10, 41, 66, 0.45);
	z-index: 1;
}

.slide-content {
	position: relative;
	z-index: 2;
	max-width: 900px;
	padding: 0 24px;
	color: white;
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.slide-content h2 {
	font-size: 3rem;
	font-weight: 700;
	margin-bottom: 1rem;
	line-height: 1.2;
}

.slide-content p {
	font-size: 1.3rem;
	opacity: 0.95;
}

/* 轮播控制 */
.carousel-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	background: rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(4px);
	border: none;
	color: white;
	font-size: 2rem;
	cursor: pointer;
	padding: 0.5rem 1rem;
	border-radius: 50%;
	transition: 0.2s;
	z-index: 10;
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.carousel-btn:hover {
	background: rgba(180, 59, 44, 0.7);
}

.btn-prev {
	left: 20px;
}

.btn-next {
	right: 20px;
}

.dots {
	position: absolute;
	bottom: 24px;
	left: 0;
	right: 0;
	display: flex;
	justify-content: center;
	gap: 12px;
	z-index: 10;
}

.dot {
	width: 12px;
	height: 12px;
	background-color: rgba(255, 255, 255, 0.5);
	border-radius: 50%;
	cursor: pointer;
	transition: 0.2s;
}

.dot.active {
	background-color: var(--accent-red);
	transform: scale(1.2);
}

/* 通用章节 */
section {
	padding: 80px 0;
}

.section-title {
	font-size: 2.2rem;
	font-weight: 700;
	text-align: center;
	margin-bottom: 3rem;
	position: relative;
	color: var(--primary-dark);
}

.section-title:after {
	content: '';
	display: block;
	width: 70px;
	height: 4px;
	background: var(--accent-red);
	margin: 12px auto 0;
	border-radius: 2px;
}

.grid-2cols {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 3rem;
	align-items: center;
}

.card {
	background: var(--white);
	border-radius: 24px;
	padding: 2rem;
	box-shadow: var(--shadow-sm);
	transition: transform 0.2s, box-shadow 0.2s;
	border: 1px solid var(--gray-border);
}

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

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

.advantage-list li {
	margin-bottom: 1rem;
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 1.05rem;
}

.advantage-list i {
	color: var(--accent-red);
	font-size: 1.4rem;
	width: 28px;
}

.service-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 2rem;
	margin-top: 1rem;
}

.service-item {
	text-align: center;
	padding: 2rem 1rem;
	background: var(--white);
	border-radius: 28px;
	transition: all 0.2s;
	border: 1px solid var(--gray-border);
}

.service-item i {
	font-size: 2.6rem;
	color: var(--primary-blue);
	margin-bottom: 1rem;
}

.service-item h3 {
	font-size: 1.5rem;
	margin-bottom: 0.75rem;
}

/* 案例图集 */
.case-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 2rem;
}

.case-card {
	background: var(--white);
	border-radius: 20px;
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: all 0.3s;
}

.case-card img {
	width: 100%;
	height: 200px;
	object-fit: cover;
	display: block;
}

.case-info {
	padding: 1.2rem;
}

.case-info h4 {
	font-size: 1.2rem;
	margin-bottom: 0.5rem;
	color: var(--primary-dark);
}

/* 常见问题 */
.faq-grid {
	max-width: 880px;
	margin: 0 auto;
}

.faq-item {
	background: var(--white);
	border: 1px solid var(--gray-border);
	border-radius: 20px;
	margin-bottom: 1rem;
	padding: 1.2rem 1.5rem;
	transition: 0.2s;
}

.faq-question {
	font-weight: 700;
	font-size: 1.15rem;
	display: flex;
	justify-content: space-between;
	cursor: pointer;
	color: var(--primary-dark);
}

.faq-question i {
	transition: transform 0.2s;
}

.faq-answer {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
	color: var(--text-muted);
	margin-top: 0;
	line-height: 1.5;
}

.faq-item.active .faq-answer {
	max-height: 300px;
	margin-top: 1rem;
}

.faq-item.active .faq-question i {
	transform: rotate(180deg);
}

/* 联系我们 */
.contact-wrapper {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2.5rem;
	background: var(--gray-bg);
	border-radius: 32px;
	padding: 2rem;
}

.contact-info p {
	margin-bottom: 1.2rem;
	display: flex;
	align-items: center;
	gap: 12px;
}

.contact-info i {
	width: 28px;
	color: var(--accent-red);
}

.contact-form input, .contact-form textarea {
	width: 100%;
	padding: 12px 16px;
	margin-bottom: 1rem;
	border: 1px solid var(--gray-border);
	border-radius: 40px;
	font-family: inherit;
}

.contact-form textarea {
	border-radius: 24px;
	resize: vertical;
}

.btn {
	background: var(--primary-dark);
	color: white;
	border: none;
	padding: 12px 28px;
	border-radius: 40px;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.2s;
}

.btn:hover {
	background: var(--accent-red);
}

footer {
	background: var(--primary-dark);
	color: #cbd5e1;
	padding: 2rem 0;
	text-align: center;
	font-size: 0.9rem;
}

footer .container a{color:inherit;text-decoration:none;transition:0.5s all ease;-webkit-transition:0.5s all ease;-moz-transition:0.5s all ease;-o-transition:0.5s all ease;-ms-transition:0.5s all ease;margin:0;padding:0;border:0;outline:none;}
footer .container a:hover{color:#FC3B61;}

@media (max-width: 768px) {
	.nav-container {
		flex-direction: column;
		gap: 12px;
	}
	.nav-links {
		gap: 1.2rem;
		flex-wrap: wrap;
		justify-content: center;
	}
	.slide-content h2 {
		font-size: 2rem;
	}
	.slide-content p {
		font-size: 1rem;
	}
	.grid-2cols {
		grid-template-columns: 1fr;
		gap: 2rem;
	}
	.contact-wrapper {
		grid-template-columns: 1fr;
	}
	section {
		padding: 60px 0;
	}
	.carousel {
		height: 70vh;
		min-height: 400px;
	}
}