/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary: #1a365d; /* 深蓝色 - 专业可靠 */
            --secondary: #e63946; /* 红色 - 突出重要信息 */
            --accent: #2a9d8f; /* 蓝绿色 - 强调 */
            --light: #f8f9fa; /* 浅色背景 */
            --dark: #212529; /* 深色文字 */
            --gray: #6c757d; /* 灰色文字 */
            --light-gray: #e9ecef; /* 浅灰色 */
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            color: var(--dark);
            line-height: 1.6;
            background-color: #fff;
        }
        
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: var(--primary);
            font-size: 2.2rem;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-subtitle {
            text-align: center;
            color: var(--gray);
            max-width: 1400px;
            margin: 0 auto 40px;
            font-size: 1.1rem;
        }
        
        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary);
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1.3rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .btn:hover {
            background-color: #c1121f;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }
        
        .btn-outline:hover {
            background-color: var(--secondary);
            color: white;
        }
        
        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--secondary);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: color 0.3s;
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--secondary);
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--secondary);
            left: 0;
            bottom: -5px;
            transition: width 0.3s;
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer; align-items:right;
        }
        
        /* 英雄横幅 */
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.9)), url('/style/image/photo-1589829545856-d10d557cf95f.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 320px 0 300px;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 1.3rem;
            max-width: 1400px;
            margin: 25px auto 25px;
            opacity: 0.9;
        }
		.hero .btn{ margin-top:50px}
        
        /* 服务项目 */
        .services {
            background-color: var(--light);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
            height: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
        .service-icon {
            background-color: var(--primary);
            color: white;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
        }
        
        .service-content {
            padding: 25px;
        }
        
        .service-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        /* 扩展服务项目 - 一排4个 */
        .extended-services {
            background-color: var(--light);
        }
		.advantage-card img{ max-width:100%}
        
        .extended-services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        
        .extended-service-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
            text-align: center;
            padding: 30px 20px;
        }
        
        .extended-service-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transform: translateY(-5px);
            border-color: var(--accent);
        }
        
        .extended-service-icon {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 20px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .extended-service-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        
        /* 核心优势 */
        .advantages {
            background-color:white;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .advantage-card {
            text-align: center;
            padding: 30px 20px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
        }
        
        .advantage-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            border-color: var(--accent);
        }
        
        .advantage-icon {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        /* 服务流程 */
        .process {
            background-color: var(--light);
        }
        
        .process-timeline {
            position: relative;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .process-timeline:before {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--accent);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        
        .process-step {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
            margin-bottom: 40px;
        }
        
        .process-step:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        
        .process-step:nth-child(even) {
            left: 50%;
        }
        
        .process-step:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            border: 4px solid var(--accent);
            border-radius: 50%;
            top: 15px;
        }
        
        .process-step:nth-child(odd):after {
            right: -12px;
        }
        
        .process-step:nth-child(even):after {
            left: -12px;
        }
        
        .process-content {
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .process-step-number {
            position: absolute;
            width: 40px;
            height: 40px;
            background-color: var(--secondary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .process-step:nth-child(odd) .process-step-number {
            right: -60px;
            top: 5px;
        }
        
        .process-step:nth-child(even) .process-step-number {
            left: -60px;
            top: 5px;
        }
        
        /* 案例成果 */
        .cases {
            background-color: white;
        }
        
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
            gap: 30px;
        }
        .footer-column a{ color:#FFFFFF}
        .case-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .case-header {
            background-color: var(--primary);
            color: white;
            padding: 15px 20px;
        }
        
        .case-header .category {
            display: inline-block;
            background-color: var(--secondary);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-bottom: 5px;
        }
        
        .case-content {
            padding: 25px;
        }
        
        .case-detail {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            border-bottom: 1px solid var(--light-gray);
            padding-bottom: 10px;
        }
        
        .case-detail:last-child {
            border-bottom: none;
        }
        
        /* 法律合规声明 */
        .legal-compliance {
            background-color: var(--light);
        }
        
        .legal-content {
            background-color: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
        }
        
        .legal-principles {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .principle-card {
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            border-left: 5px solid var(--accent);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .principle-card h4 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        
        /* 行业资讯 */
        .news {
            background-color: white;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
            height: 100%;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: var(--accent);
        }
        
        .news-image {
            height: 200px;
            overflow: hidden;
        }
        
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .news-card:hover .news-image img {
            transform: scale(1.05);
        }
        
        .news-content {
            padding: 25px;
        }
        
        .news-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .news-category {
            background-color: var(--light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .news-title {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
            line-height: 1.4;
            transition: color 0.3s;
        }
        
        .news-card:hover .news-title {
            color: var(--secondary);
        }
        
        .news-excerpt {
            color: var(--gray);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .news-link {
            display: inline-flex;
            align-items: center;
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        
        .news-link:hover {
            color: var(--primary);
        }
        
        .news-link i {
            margin-left: 5px;
            transition: transform 0.3s;
        }
        
        .news-link:hover i {
            transform: translateX(5px);
        }
        
        /* 统计数据 */
        .stats {
            background-color: var(--primary);
            color: white;
            text-align: center;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .stat-item {
            padding: 20px;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        
        /* 客户反馈 - 增强版 */
        .testimonials {
            background-color: var(--light);
        }
        
        .testimonial-slider-container {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .testimonial-slider {
            position: relative;
            overflow: hidden;
        }
        
        .testimonial-slides {
            display: flex;
            transition: transform 0.5s ease;
        }
        
        .testimonial-slide {
            flex: 0 0 100%;
            padding: 0 20px;
            box-sizing: border-box;
        }
        
        .testimonial {
            background-color: white;
            padding: 40px;
            border-radius: 8px;
            position: relative;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .testimonial:before {
            content: '"';
            font-size: 5rem;
            color: var(--accent);
            opacity: 0.2;
            position: absolute;
            top: 10px;
            left: 20px;
            font-family: serif;
        }
        
        .testimonial-content {
            font-size: 1.1rem;
            font-style: italic;
            margin-bottom: 25px;
            position: relative;
            z-index: 1;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .testimonial-author img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
            border: 3px solid var(--accent);
        }
        
        .testimonial-nav {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 30px;
        }
        
        .testimonial-dots {
            display: flex;
            gap: 10px;
        }
        
        .testimonial-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--light-gray);
            border: none;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .testimonial-dot.active {
            background-color: var(--accent);
        }
        
        .testimonial-dot:hover {
            background-color: var(--primary);
        }
        
        .testimonial-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            transition: all 0.3s;
            z-index: 10;
        }
        
        .testimonial-arrow:hover {
            background-color: var(--primary);
            color: white;
        }
        
        .testimonial-arrow.prev {
            left: -60px;
        }
        
        .testimonial-arrow.next {
            right: -60px;
        }
        
        /* 常见问题 */
        .faq {
            background-color: white;
        }
        
        .faq-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 15px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .faq-question {
            background-color: white;
            padding: 20px;
            font-weight: 600;

            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--primary);
        }
        
        .faq-question:hover {
            background-color: #f5f5f5;
        }
        
        .faq-question i {
            transition: transform 0.3s ease;
        }
        
        .faq-answer {
            background-color: white;
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* 联系表单 */
        .contact {
            background-color: var(--light);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
        }
        
        .contact-item i {
            font-size: 1.3rem;
            color: var(--accent);
            margin-right: 15px;
            margin-top: 5px;
        }
        
        .contact-form {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--primary);
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
        }
        
        /* 页脚 */
        footer {
            background-color: var(--primary);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 3px;
            background-color: var(--secondary);
            bottom: 0;
            left: 0;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column ul li a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .extended-services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .testimonial-arrow.prev {
                left: 10px;
            }
            
            .testimonial-arrow.next {
                right: 10px;
            }
        }
        
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .mobile-menu {
                position: fixed;
                top:0;
                left: 0;
                width: 100%;
                background-color: white;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
                z-index: 9999999;
                display: none;
            }
            
            .mobile-menu.active {
                display: block;
            }
            
            .mobile-menu ul {
                list-style: none;
            }
            
            .mobile-menu ul li {
                margin-bottom: 15px;
            }
            
            .mobile-menu ul li a {
                color: var(--primary);
                text-decoration: none;
                font-weight: 600;
                font-size: 1.1rem;
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid var(--light-gray);
            }
            
            /* 服务流程时间线响应式 */
            .process-timeline:before {
                left: 31px;
            }
            
            .process-step {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
                text-align: left;
            }
            
            .process-step:nth-child(odd),
            .process-step:nth-child(even) {
                left: 0;
            }
            
            .process-step:nth-child(odd):after,
            .process-step:nth-child(even):after {
                left: 20px;
            }
            
            .process-step:nth-child(odd) .process-step-number,
            .process-step:nth-child(even) .process-step-number {
                left: 0;
                right: auto;
                top: 5px;
            }
            
            .news-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
            
            .testimonial-arrow {
                width: 35px;
                height: 35px;
                font-size: 1rem;
            }
        }
        .mobile-menu{ display:none}
        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
               
			 .case-card{ max-width:92%}  
            .hero {
                padding: 150px 0 80px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .legal-content {
                padding: 25px;
            }
            
            .extended-services-grid {
                grid-template-columns: 1fr;
            }
            
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .testimonial {
                padding: 30px;
            }
            
            .testimonial-arrow.prev {
                left: 5px;
            }
            
            .testimonial-arrow.next {
                right: 5px;
            }
        }
		.hero a{ color:#FFFFFF}
		a{
	text-decoration: none;color: var(--dark);
}
.copyright a{color: rgba(255, 255, 255, 0.7);}
.flink{ margin-bottom:25px}
.flink a{color: rgba(255, 255, 255, 0.7);}
/* 顶部菜单核心样式（替换成你的菜单类名/ID） */
header{
  position: fixed !important; /* 强制固定，覆盖所有冲突样式 */
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  z-index: 9999 !important; /* 确保层级最高 */
  /* 关键：清除transform/transition等干扰 */
  transform: none !important;
  transition: none !important;
  /* 防止被滚动条遮挡 */
  box-sizing: border-box !important;
  /* 适配iOS状态栏（可选） */
  padding-top: constant(safe-area-inset-top);
  padding-top: env(safe-area-inset-top);
}

/* 给body加顶部间距，避免内容被菜单遮挡 */
body {
  padding-top: 60px !important; /* 数值等于菜单高度 */
  /* 关键：禁止body的滚动回弹影响fixed元素 */
  overscroll-behavior: contain !important;
}

/* 仅移动端生效，避免影响PC */
@media (max-width: 767px) {
  html, body {
    /* 禁止全局滚动回弹（核心！） */
    overscroll-behavior-y: contain !important;
    /* 防止body高度不足导致的滚动问题 */
    height: 100% !important;
    overflow-x: hidden !important;
  }
}