:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7e22ce;
    --accent: #f97316;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray: #64748b;
    --light-gray: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}


.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
}

.logo img {
    height: 60px;
}

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

.nav-links li {
    margin-left: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 400;
    transition: color 0.3s;
}

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

.nav-cta {
    color: white;
    border-radius: 50px;
    transition: all 0.3s;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 头部区域 */
.hero {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(126, 34, 206, 0.85) 100%), url('../static/hero.jpg') no-repeat center center/cover;
    color: white;
    padding: 160px 0 100px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.highlight {
    color: var(--accent);
    font-weight: 700;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
}

.btn-primary:hover {
    background: #ea580c;
    transform: translateY(-3px);
}

.btn-light {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* 授权单位模块 */
.authorization {
    padding: 80px 0;
    
}

.auth-container {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.auth-logo {
    flex: 1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
	margin: 50px;
}

.logo-placeholder { 
    text-align: center; 
    display: flex; 
    align-items: center; 
    flex-direction: column; 
}

.logo-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

.logo-placeholder span {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 15px;
}

.auth-content {
    flex: 2;
    padding: 40px;
}

.auth-content h2 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.auth-content p {
    margin-bottom: 5px;
    color: var(--gray);
    line-height: 1.8;
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    background: var(--light);
    padding: 10px 20px;
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
}

.auth-badge i {
    margin-right: 8px;
    color: var(--accent);
}

/* 核心优势 */
.advantages {
    padding: 100px 0;
	
}

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

.section-title h2 {
    font-size: 2.5rem;
    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(--primary);
    border-radius: 2px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 25px;
}

.advantage-card h3 {
    margin-bottom: 15px;
    color: var(--dark);
}

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

/* 服务项目 */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.service-header h3 {
    font-size: 1.5rem;
}

.service-content {
    padding: 30px;
}

.service-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 25px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.service-features img{
    width: 15px;
    margin-right: 10px;
}

.service-features img{
    color: var(--primary);
}

.service-features i {
    color: var(--primary);
    margin-right: 10px;
}

.service-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--light-gray);
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.price-note {
    color: var(--gray);
    font-size: 0.9rem;
}

.service-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.service-btn:hover {
    background: var(--primary-dark);
}

/* 案例展示 */
.cases {
    padding: 100px 0;
}

.cases-container {
    position: relative;
}

.cases-slider {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 20px;
    padding: 10px 0;
    scrollbar-width: none;
}

.cases-slider::-webkit-scrollbar {
    display: none;
}

.case-card {
    flex: 0 0 calc(33.333% - 20px);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.case-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.case-card:hover .case-overlay {
    transform: translateY(0);
}

.case-overlay h3 {
    margin-bottom: 8px;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    	margin-top: 30px;
    }
    
    .slider-btn {
    	width: 50px;
    	height: 50px;
    	border-radius: 50%;
    	/*background: var(--primary);*/
    	color: white;
    	border: none;
    	cursor: pointer;
    	display: flex;
    	align-items: center;
    	justify-content: center;
    	font-size: 1.2rem;
    	transition: background 0.3s;
    }
    
    .slider-btn:hover {
    	background: var(--primary-dark);
    }
    
    /* CTA区域 */
    .cta-section {
    	padding: 100px 0;
    	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    	color: white;
    	text-align: center;
    }
    
    .cta-content h2 {
    	font-size: 2.5rem;
    	margin-bottom: 20px;
    }
    
    .cta-content p {
    	font-size: 1.2rem;
    	margin-bottom: 40px;
    	opacity: 0.9;
    	max-width: 700px;
    	margin-left: auto;
    	margin-right: auto;
    }
    
    .cta-buttons {
    	display: flex;
    	justify-content: center;
    	gap: 20px;
    }
    
    /* 联系表单 */
    .contact {
    	padding: 100px 0;
    }
    
    .contact-container {
    	display: grid;
    	grid-template-columns: 1fr 1fr;
    	gap: 40px;
    	background: white;
    	border-radius: 15px;
    	overflow: hidden;
    	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }
    
    .contact-info {
    	padding: 40px;
    	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    	color: white;
    }
    
    .contact-foot li {
    	list-style: none;
    	margin-bottom: 12px;
    }
    
    .contact-foot img {
        width: 15px;
        margin-right: 10px;
    }
    
    .contact-info h3 {
    	font-size: 1.8rem;
    	margin-bottom: 20px;
    }
    
    .contact-info p {
    	margin-bottom: 30px;
    	opacity: 0.9;
    	line-height: 1.7;
    }
    
    .contact-details {
    	display: flex;
    	flex-direction: column;
    	gap: 20px;
    }
    
    .contact-item {
    	display: flex;
    	align-items: center;
    }
    
    .icon {
    	font-size: 1.5rem;
    	margin-right: 15px;
    }
    
    .contact-item h4 {
    	margin-bottom: 5px;
    }
    
    .contact-item p {
    	margin: 0;
    	opacity: 0.9;
    }
    
    .contact-form-container {
    	padding: 40px;
    }
    
    .form-group {
    	margin-bottom: 20px;
    }
    
    .form-group label {
    	display: block;
    	margin-bottom: 8px;
    	font-weight: 500;
    	color: var(--dark);
    }
    
    .form-group input,
    .form-group textarea {
    	width: 100%;
    	padding: 15px;
    	border: 1px solid var(--light-gray);
    	border-radius: 8px;
    	font-size: 1rem;
    	transition: border-color 0.3s;
    }
    
    .form-group input:focus,
    .form-group textarea:focus {
    	outline: none;
    	border-color: var(--primary);
    }
    
    .submit-btn {
    	width: 100%;
    	padding: 15px;
    	background: var(--primary);
    	color: white;
    	border: none;
    	border-radius: 8px;
    	font-size: 1rem;
    	font-weight: 600;
    	cursor: pointer;
    	transition: background 0.3s;
    }
    
    .submit-btn:hover {
    	background: var(--primary-dark);
    }
    
    /* 页脚 */
    .footer {
    	background: var(--dark);
    	color: white;
    	padding: 70px 0 20px;
    }
    
    .footer-content {
    	display: grid;
    	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    	gap: 40px;
    	margin-bottom: 50px;
    }
    
    .footer-column h4 {
    	font-size: 1.2rem;
    	margin-bottom: 20px;
    	position: relative;
    	padding-bottom: 10px;
    }
    
    .footer-column h4::after {
    	content: '';
    	position: absolute;
    	bottom: 0;
    	left: 0;
    	width: 40px;
    	height: 3px;
    	background: var(--primary);
    }
    
    .footer-column p {
    	line-height: 1.7;
    	opacity: 1;
    }
    
    .footer-links {
    	list-style: none;
    }
    
    .footer-links li {
    	margin-bottom: 12px;
    }
    
    .footer-links a {
    	color: white;
    	opacity: 1;
    	text-decoration: none;
    	transition: opacity 0.3s;
    }
    
    .footer-links a:hover {
    	opacity: 1;
    }
    
    .contact-info {
    	list-style: none;
    }
    
    .contact-info li {
    	margin-bottom: 15px;
    	display: flex;
    	align-items: center;
    }
    
    .contact-info i {
    	margin-right: 15px;
    	font-size: 25px;

    }
    
    .contact-info img {
        width: 25px;
        margin-right: 15px;
    }
    
    .footer-bottom {
    	text-align: center;
    	padding-top: 30px;
    	border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-bottom p {
    	opacity: 0.7;
    	font-size: 0.9rem;
    }
    
    /* 新增模块样式 */
    /* 解决方案 */
    .solutions {
    	padding: 100px 0;
		background: var(--light);
    }
    
    .solutions-grid {
    	display: grid;
    	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    	gap: 30px;
    }
    
    .solution-card {
    	background: var(--light);
    	padding: 30px;
    	border-radius: 15px;
    	box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    	transition: transform 0.3s;
    }
    
    .solution-card:hover {
    	transform: translateY(-5px);
    }
    
    .solution-icon {
    	font-size: 2.5rem;
    	color: var(--primary);
    	margin-bottom: 20px;
    }
    
    .solution-card h3 {
    	margin-bottom: 15px;
    	color: var(--dark);
    }
    
    .solution-card p {
    	color: var(--gray);
    	line-height: 1.7;
    }
    
    /* 合作流程 */
    .process {
    	padding: 100px 0;
    	background: var(--light);
    }
    
    .process-steps {
    	display: flex;
    	justify-content: space-between;
    	position: relative;
    	margin-top: 50px;
    }
    
    .process-steps::before {
    	content: '';
    	position: absolute;
    	top: 40px;
    	left: 0;
    	right: 0;
    	height: 3px;
    	background: var(--primary);
    	z-index: 1;
    }
    
    .process-step {
    	text-align: center;
    	position: relative;
    	z-index: 2;
    	flex: 1;
    }
    
    .step-number {
    	width: 80px;
    	height: 80px;
    	background: var(--primary);
    	color: white;
    	border-radius: 50%;
    	display: flex;
    	align-items: center;
    	justify-content: center;
    	font-size: 1.5rem;
    	font-weight: 700;
    	margin: 0 auto 20px;
    }
    
    .step-content h3 {
    	margin-bottom: 10px;
    	color: var(--dark);
    }
    
    .step-content p {
    	color: var(--gray);
    }
    
    /* 公司简介 */
 .about {
   padding: 100px 0;
   background: var(--light);
 }
 
 .about-container {
   display: grid;
   grid-template-columns: 55% 40%;
   gap: 5%;
   align-items: start;
 }
 
 .about-image {
   border-radius: 15px;
   overflow: hidden;
   height: 100%;
   display: flex;
   align-items: center;
 }
 
 .about-image img {
   width: 100%;
   height: auto;
   display: block;
   object-fit: cover;
 }
 
 .about-content h2 {
   margin-bottom: 20px;
   color: var(--primary);
 }
 
 .about-content p {
   margin-bottom: 20px;
   color: var(--gray);
   line-height: 1.8;
   text-align: justify;
 }
 
 .about-stats {
   display: grid;
   grid-template-columns: repeat(2, 1fr);
   gap: 20px;
   margin-top: 30px;
 }
 
 .stat-item {
   text-align: center;
   padding: 20px;
   background: var(--white);
   border-radius: 10px;
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
   transition: transform 0.3s ease;
 }
 
 .stat-item:hover {
   transform: translateY(-5px);
 }
 
 .stat-number {
   font-size: 2rem;
   font-weight: 700;
   color: var(--primary);
   margin-bottom: 5px;
 }
 
 .stat-label {
   color: var(--gray);
   font-size: 0.9rem;
 }
 
 /* 响应式设计 */
 @media (max-width: 992px) {
   .about-container {
     grid-template-columns: 1fr;
     gap: 40px;
   }
   
   .about-image {
     order: -1;
     max-width: 80%;
     margin: 0 auto;
   }
 }
 
 @media (max-width: 576px) {
   .about-stats {
     grid-template-columns: 1fr;
   }
   
   .about-image {
     max-width: 100%;
   }
 }
    /* 合作伙伴 */
    .partners {
    	padding: 100px 0;
    	background: var(--light);
    }
    
    .partners-grid {
    	display: grid;
    	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    	gap: 30px;
    	align-items: center;
    }
    
    .partner-logo {
    	background: white;
    	padding: 15px;
    	border-radius: 10px;
    	display: flex;
    	align-items: center;
    	justify-content: center;
    	height: 100px;
    	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    	transition: transform 0.3s;
    }
    
    .partner-logo:hover {
    	transform: translateY(-5px);
    }
    
    .partner-logo img {
    	max-width: 100%;
    	max-height: 70px;
    	object-fit: contain;
    }
    
    /* 响应式设计 */
    @media (max-width: 992px) {
    	.auth-container {
    		flex-direction: column;
    	}
    
    	.auth-logo,
    	.auth-content {
    		width: 100%;
    	}
    
    	.contact-container {
    		grid-template-columns: 1fr;
    	}
    
    	.case-card {
    		flex: 0 0 calc(50% - 20px);
    	}
    
    	.about-container {
    		grid-template-columns: 1fr;
    	}
    
    	.process-steps {
    		flex-direction: column;
    		gap: 40px;
    	}
    
    	.process-steps::before {
    		display: none;
    	}
    }
    
    @media (max-width: 768px) {
    	.hero h1 {
    		font-size: 2.5rem;
    	}
    
    	.hero-btns,
    	.cta-buttons {
    		flex-direction: column;
    		gap: 15px;
    	}
    
    	.nav-links {
    		display: none;
    	}
    
    	.case-card {
    		flex: 0 0 100%;
    	}
    
    	.about-stats {
    		grid-template-columns: 1fr;
    	}
    }