:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #f97316;
            --secondary-dark: #ea580c;
            --accent: #10b981;
            --light: #f8fafc;
            --dark: #1e293b;
            --gray: #64748b;
            --light-gray: #e2e8f0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f9fafb;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            line-height: 1.3;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* 导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            -webkit-backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        header.scrolled {
            padding: 0.5rem 0;
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 0;
            transition: all 0.3s ease;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }
        
        .logo img {
            height: 45px;
            margin-right: 12px;
        }
        
        .logo span {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2.2rem;
            position: relative;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            font-size: 1.05rem;
            position: relative;
        }
        
        .nav-links a i {
            margin-right: 8px;
            font-size: 1.1rem;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .nav-links a.active {
            color: var(--primary);
        }
        
        .nav-links a.active:after {
            width: 100%;
        }
        
        /* 下拉菜单样式 */
        .dropdown {
            position: relative;
            display: inline-block;
        }
        
        .dropdown-content {
            display: none;
            position: absolute;
            background-color: white;
            min-width: 200px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.15);
            z-index: 1001;
            border-radius: 8px;
            top: 100%;
            left: 0;
            padding: 10px 0;
        }
        
        .dropdown-content a {
            color: var(--dark);
            padding: 12px 20px;
            text-decoration: none;
            display: block;
            font-weight: 500;
            transition: all 0.3s;
            font-size: 1rem;
        }
        
        .dropdown-content a:hover {
            background-color: var(--light);
            color: var(--primary);
            padding-left: 25px;
        }
        
        .dropdown:hover .dropdown-content {
            display: block;
        }
        
        .dropdown:hover > a {
            color: var(--primary);
        }
        
        .nav-buttons {
            display: flex;
            align-items: center;
        }
        
        .cta-button {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
        }
        
        .cta-button i {
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
        }
        
        .cta-button:hover i {
            transform: translateX(4px);
        }
        
        .language-switcher {
            background: transparent;
            color: var(--dark);
            padding: 0.6rem 1rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            margin-left: 1.5rem;
            border: 1px solid var(--light-gray);
            font-weight: 500;
        }
        
        .language-switcher i {
            margin-right: 8px;
        }
        
        .language-switcher:hover {
            background: var(--light);
            border-color: var(--primary);
            color: var(--primary);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
            margin-left: 1.5rem;
            transition: color 0.3s ease;
        }

        .mobile-menu-btn:hover {
            color: var(--primary);
        }

        /* 移动端导航菜单 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(30, 41, 59, 0.95);
            -webkit-backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-nav.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            padding: 2rem;
        }

        .mobile-nav-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            font-size: 2rem;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-nav-links {
            list-style: none;
            text-align: center;
            margin-bottom: 1.5rem;
            width: 100%;
            max-width: 280px;
        }

        .mobile-nav-links li {
            margin-bottom: 0.4rem;
        }

        .mobile-nav-links a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            padding: 0.7rem 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.08);
            margin-bottom: 0.4rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            background: var(--primary);
            transform: translateY(-1px);
            border-color: var(--primary);
        }

        .mobile-nav-links a i {
            margin-right: 0.6rem;
            font-size: 1rem;
            width: 16px;
            text-align: center;
        }

        .mobile-nav-links ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0 0;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            overflow: hidden;
        }

        .mobile-nav-links ul li {
            margin-bottom: 0;
        }

        .mobile-nav-links ul a {
            font-size: 1rem;
            padding: 0.5rem 1rem;
            color: rgba(255, 255, 255, 0.9);
            border-radius: 0;
        }

        .mobile-nav-links ul a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: none;
        }

        .mobile-nav-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            width: 100%;
            max-width: 280px;
        }

        .mobile-nav .language-switcher {
            width: 100%;
            justify-content: center;
            padding: 0.8rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            font-size: 1rem;
        }
        
        /* 英雄区域样式 */
        .hero {
background: linear-gradient(120deg, rgba(30, 41, 59, 0.85), rgba(37, 99, 235, 0.85)), url('images/advantage-1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            align-items: center;
            color: white;
            padding-top: 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 800px;
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: 3.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            font-weight: 800;
        }
        
        .hero p {
            font-size: 1.4rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            font-weight: 300;
            opacity: 0.95;
        }
        
        .hero-buttons {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 1.2rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
        }
        
        .btn-primary {
            background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
            color: white;
            box-shadow: 0 5px 18px rgba(249, 115, 22, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(249, 115, 22, 0.5);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid white;
            color: white;
        }
        
        .btn-outline:hover {
            background: white;
            color: var(--primary);
        }
        
        .btn i {
            margin-left: 10px;
            transition: transform 0.3s;
        }
        
        .btn:hover i {
            transform: translateX(5px);
        }
        
        /* 关于我们部分 */
        .about {
            padding: 7rem 0;
            background: white;
            position: relative;
        }
        
.about-main-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
        }
        
        .about-image {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            height: 100%;
            display: flex;
            align-items: center;
        }
        
        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        .about-image:after {
            content: '';
            position: absolute;
            top: 20px;
            left: 20px;
            right: -20px;
            bottom: -20px;
            border: 3px solid var(--primary);
            border-radius: 16px;
            z-index: -1;
            opacity: 0.3;
        }
        
        .about-text h2 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
        }
        
        .about-text h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        .about-text p {
            font-size: 1.1rem;
            color: var(--gray);
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        
        .about-features {
            margin-top: 2.5rem;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: var(--light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            color: var(--primary);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        .feature-content h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        
        .feature-content p {
            font-size: 1rem;
            margin-bottom: 0;
            color: var(--gray);
        }
        
        /* 服务部分样式 */
        .services {
            padding: 7rem 0;
            background: var(--light);
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 5rem;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }
        
        .service-card {
            background: white;
            padding: 2.8rem 2.2rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            text-align: center;
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            opacity: 0.05;
            transition: height 0.4s ease;
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .service-card:hover:before {
            height: 100%;
        }
        
        .service-icon {
            width: 90px;
            height: 90px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.8rem;
            color: var(--primary);
            font-size: 2.2rem;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .service-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: rotateY(180deg);
        }
        
        .service-card h3 {
            color: var(--dark);
            margin-bottom: 1.2rem;
            font-size: 1.6rem;
        }
        
        .service-card p {
            color: var(--gray);
            margin-bottom: 1.8rem;
            line-height: 1.6;
        }
        
        .service-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .service-link i {
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .service-link:hover {
            color: var(--secondary);
        }
        
        .service-link:hover i {
            transform: translateX(5px);
        }
        
        /* 数据统计部分 */
        .stats {
            background: linear-gradient(120deg, var(--primary), var(--primary-dark));
            padding: 6rem 0;
            color: white;
            position: relative;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
            text-align: center;
        }
        
        .stat-item {
            position: relative;
            padding: 1.5rem;
        }
        
        .stat-item h3 {
            font-size: 3.5rem;
            margin-bottom: 0.8rem;
            font-weight: 800;
        }
        
        .stat-item p {
            font-size: 1.2rem;
            opacity: 0.9;
            font-weight: 400;
        }
        
        /* 流程部分 */
        .process {
            padding: 7rem 0;
            background: white;
            position: relative;
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            margin-top: 5rem;
            position: relative;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary);
            z-index: 1;
            opacity: 0.2;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            padding: 0 1.5rem;
        }
        
        .step-number {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: bold;
            margin: 0 auto 1.8rem;
            position: relative;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }
        
        .step-number:after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px solid var(--primary);
            border-radius: 50%;
            animation: pulse 2s infinite;
            opacity: 0.5;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 0.5;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }
        
        .step h3 {
            color: var(--dark);
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        
        .step p {
            color: var(--gray);
            line-height: 1.6;
        }
        
        /* 客户评价部分 */
        .testimonials {
            padding: 7rem 0;
            background: var(--light);
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }
        
        .testimonial-card {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .testimonial-content {
            position: relative;
            padding: 1.8rem;
            background: var(--light);
            border-radius: 12px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .testimonial-content:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 30px;
            width: 20px;
            height: 20px;
            background: var(--light);
            transform: rotate(45deg);
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 1.2rem;
            border: 3px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-info h4 {
            color: var(--dark);
            margin-bottom: 0.3rem;
            font-size: 1.2rem;
        }
        
        .author-info p {
            color: var(--gray);
            font-size: 0.95rem;
        }
        
        .rating {
            color: #fbbf24;
            margin-top: 0.5rem;
        }
        
        /* CTA部分 */
        .cta {
            background: linear-gradient(120deg, var(--secondary), var(--secondary-dark));
            padding: 6rem 0;
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .cta p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.95;
        }
        
        .cta .btn {
            background: white;
            color: var(--secondary);
            font-size: 1.2rem;
            padding: 1.2rem 2.8rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        }
        
        .cta .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }
        
        /* 页脚样式 */
        footer {
            background: var(--dark);
            color: white;
            padding: 5rem 0 2rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3.5rem;
            margin-bottom: 4rem;
        }
        
        .footer-logo {
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 1.5rem;
            color: white;
        }
        
        .footer-about p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .social-links {
            display: flex;
        }
        
        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        
        .footer-heading {
            font-size: 1.4rem;
            margin-bottom: 1.8rem;
            color: white;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .footer-heading:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 1rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-links a i {
            margin-right: 10px;
            font-size: 0.9rem;
            transition: transform 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--secondary);
        }
        
        .footer-links a:hover i {
            transform: translateX(5px);
        }
        
        .footer-newsletter p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .newsletter-form {
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            background: transparent;
            color: white;
            font-size: 1rem;
        }
        
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .newsletter-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .newsletter-form button:hover {
            background: var(--secondary-dark);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 0.95rem;
        }
        
/* 页面标题横幅 */
.page-header {
background: linear-gradient(120deg, rgba(30, 41, 59, 0.85), rgba(37, 99, 235, 0.85)), url('images/advantage-1.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0 50px;
    color: white;
    text-align: center;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.page-header .page-description {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.6;
}

/* 关于我们内容 */
            .about-content {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

/* 主要介绍区域 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 6rem;
}

.intro-content {
    position: relative;
}

.intro-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
                font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.intro-badge i {
    margin-right: 0.5rem;
                font-size: 1rem;
            }
            
.intro-content h2 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.intro-subtitle {
    font-size: 1.3rem;
            color: var(--primary);
    font-weight: 600;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.intro-description p {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.intro-image {
    position: relative;
}

.image-wrapper {
            position: relative;
    border-radius: 20px;
            overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.5s ease;
}

.image-wrapper:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 60px rgba(0, 0, 0, 0.2);
}

.image-wrapper img {
            width: 100%;
            height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-overlay {
            position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.image-wrapper:hover .image-overlay {
    transform: translateY(0);
}

.overlay-stats {
            display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--secondary), #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
.stat-label {
    font-size: 1rem;
    opacity: 0.9;
            font-weight: 500;
}

/* 核心价值区域 */
.core-values {
    margin-top: 4rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
            position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.value-card.mission {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(249, 115, 22, 0.05));
}

.value-card.vision {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.05), rgba(16, 185, 129, 0.05));
}

.value-card.values {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(37, 99, 235, 0.05));
}

.card-header {
            display: flex;
            align-items: center;
    margin-bottom: 1.5rem;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
            align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.mission .card-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.vision .card-icon {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
}

.values .card-icon {
    background: linear-gradient(135deg, var(--accent), #059669);
}

.card-header h3 {
    font-size: 1.5rem;
            color: var(--dark);
    margin: 0;
    font-weight: 700;
}

.card-content p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.7;
    margin: 0;
}

.card-decoration {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.1;
    transition: all 0.4s ease;
}

.mission .card-decoration {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.vision .card-decoration {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
}

.values .card-decoration {
    background: linear-gradient(135deg, var(--accent), #059669);
}

.value-card:hover .card-decoration {
    transform: scale(1.2);
    opacity: 0.15;
        }
        
        .about-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 3rem;
        }
        
        /* 时间线部分 */
        .timeline-section {
            background: var(--light);
            padding: 3rem 0;
        }
        
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .timeline:before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 3px;
            height: 100%;
            background: var(--primary);
            opacity: 0.3;
        }
        
        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding-right: 20px;
            position: relative;
            margin-bottom: 2.5rem;
            width: 50%;
        }
        
        .timeline-item:nth-child(even) {
            align-self: flex-end;
            justify-content: flex-start;
            padding-left: 20px;
            padding-right: 0;
            left: 50%;
        }
        
        .timeline-content {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            width: 100%;
            position: relative;
        }
        
        .timeline-content:after {
            content: '';
            position: absolute;
            right: -8px;
            top: 15px;
            width: 16px;
            height: 16px;
            background: white;
            transform: rotate(45deg);
        }
        
        .timeline-item:nth-child(even) .timeline-content:after {
            right: auto;
            left: -8px;
        }
        
        .timeline-year {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }
        
        .timeline-content h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }
        
        .timeline-content p {
            color: var(--gray);
            line-height: 1.5;
            font-size: 0.95rem;
        }
        
        .timeline-dot {
            position: absolute;
            top: 15px;
            right: -10px;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border-radius: 50%;
            z-index: 1;
        }
        
        .timeline-item:nth-child(even) .timeline-dot {
            right: auto;
            left: -10px;
        }
        
        /* 团队部分 */
        .team-section {
            padding: 3rem 0;
        }
        
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        
        .team-member {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .team-member:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        .member-image {
            height: 250px;
            overflow: hidden;
        }
        
        .member-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .team-member:hover .member-image img {
            transform: scale(1.1);
        }
        
        .member-info {
            padding: 1.5rem;
            text-align: center;
        }
        
        .member-info h3 {
            font-size: 1.3rem;
            margin-bottom: 0.3rem;
            color: var(--dark);
        }
        
        .member-role {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }
        
        .member-desc {
            color: var(--gray);
            margin-bottom: 1rem;
            line-height: 1.5;
            font-size: 0.9rem;
        }
        
        .member-social {
            display: flex;
            justify-content: center;
            gap: 0.8rem;
        }
        
        .member-social a {
            width: 35px;
            height: 35px;
            background: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            transition: all 0.3s;
            font-size: 0.9rem;
        }
        
        .member-social a:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        
        /* 认证部分 */
        .certificates {
            background: var(--light);
            padding: 3rem 0;
        }
        
        .certificates-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        
        .certificate-item {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .certificate-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        
        .certificate-icon {
            width: 60px;
            height: 60px;
            background: var(--light);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            color: var(--primary);
            font-size: 1.5rem;
        }
        
        .certificate-item h3 {
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: var(--dark);
        }
        
        .certificate-item p {
            color: var(--gray);
            line-height: 1.5;
            font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .mobile-nav {
        display: block;
    }

    /* 隐藏移动端的获取报价按钮 */
    .nav-buttons .cta-button {
        display: none;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-main-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        order: -1;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 3.5rem;
    }
    
    .process-steps:before {
        display: none;
    }

    /* 缩小导航栏高度 */
    nav {
        padding: 0.8rem 0;
    }

    .logo {
        font-size: 1.6rem;
    }

    .language-switcher {
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
        margin-left: 1rem;
    }
    
    .about-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-intro {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .intro-content {
        text-align: center;
    }
    
    .intro-content h2 {
        font-size: 2.5rem;
    }
    
    .intro-subtitle {
        font-size: 1.2rem;
    }
    
    .overlay-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
        padding-left: 70px;
    }
    
    .timeline-content:after {
        right: auto;
        left: -10px;
    }
    
    .timeline-dot {
        left: 17px;
        right: auto;
    }
    
    .timeline-item:nth-child(even) .timeline-dot {
        left: 17px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header .page-description {
        font-size: 1.1rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-content h2 {
        font-size: 2rem;
    }
    
    .intro-subtitle {
        font-size: 1.1rem;
    }
    
    .intro-description p {
        font-size: 1rem;
    }
    
    .value-card {
        padding: 2rem 1.5rem;
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .card-header h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }

    /* 超小屏幕导航优化 */
    .logo {
        font-size: 1.4rem;
    }

    .language-switcher {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
        margin-left: 0.8rem;
    }

    .mobile-nav-content {
        padding: 1.5rem;
    }

    .mobile-nav-links a {
        font-size: 1rem;
        padding: 0.6rem 1rem;
    }

    .mobile-nav .language-switcher {
        padding: 0.7rem 1.2rem;
        font-size: 0.95rem;
    }
    
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .page-header .page-description {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-item:nth-child(even) {
        padding-left: 50px;
    }
    
    .timeline-dot {
        left: 12px;
        width: 16px;
        height: 16px;
    }
    
    .intro-content h2 {
        font-size: 1.8rem;
    }
    
    .intro-badge {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .value-card {
        padding: 1.5rem 1rem;
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
            .card-icon {
                margin-right: 0;
                margin-bottom: 0.5rem;
            }
        }

        /* 支付服务页面专属样式 */
        .payment-hero {
            background: linear-gradient(120deg, rgba(30, 41, 59, 0.85), rgba(37, 99, 235, 0.85)), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
        }

        .business-types {
            position: relative;
        }

        .business-types:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }

        .important-notes {
            position: relative;
        }

        .important-notes:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 20%, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
                        radial-gradient(circle at 70% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }

        /* 支付服务特色动画 */
        .service-card:nth-child(1) .service-icon {
            animation: paypal-pulse 2s infinite;
        }

        .service-card:nth-child(3) .service-icon {
            animation: bolt-flash 1.5s infinite;
        }

        @keyframes paypal-pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @keyframes bolt-flash {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* 业务标签颜色变化 */
        .business-card:nth-child(1) .business-tag {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
        }

        .business-card:nth-child(2) .business-tag {
            background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
        }

        .business-card:nth-child(3) .business-tag {
            background: linear-gradient(90deg, var(--accent), #059669);
        }

        .business-card:nth-child(4) .business-tag {
            background: linear-gradient(90deg, #8b5cf6, #7c3aed);
        }

        .business-card:nth-child(5) .business-tag {
            background: linear-gradient(90deg, #f59e0b, #d97706);
        }

        .business-card:nth-child(6) .business-tag {
            background: linear-gradient(90deg, #ef4444, #dc2626);
        }

        /* 响应式优化 */
        @media (max-width: 480px) {
            .business-header h3 {
                font-size: 1.2rem;
            }
            
            .business-icon {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }
            
            .note-icon {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
            }
            
            .business-content li {
                font-size: 0.9rem;
            }
            
            .note-card li {
                font-size: 0.9rem;
            }
        }



        /* 服务概览 */
        .services-overview {
            padding: 6rem 0;
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            position: relative;
        }
        
        .services-overview:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }
        
        .services-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-bottom: 4rem;
            position: relative;
            z-index: 2;
        }
        
        .tab-button {
            padding: 1rem 2rem;
            background: white;
            border: 2px solid var(--light-gray);
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            color: var(--dark);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }
        
        .tab-button:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            transition: left 0.3s ease;
            z-index: -1;
        }
        
        .tab-button i {
            margin-right: 0.8rem;
            font-size: 1.2rem;
        }
        
        .tab-button.active {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            color: white;
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
            transform: translateY(-2px);
        }
        
        .tab-button.active:before {
            left: 0;
        }
        
        .tab-button:hover:not(.active) {
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }
        
        .tab-button:hover:not(.active):before {
            left: 0;
        }
        
        .tab-button:hover:not(.active) {
            color: white;
        }
        
        /* 服务详情 */
        .service-detail {
            padding: 0;
            display: none;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
            border: 1px solid var(--light-gray);
        }
        
        .service-detail.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .service-header {
            display: flex;
            align-items: center;
            padding: 2rem 2rem 1.5rem 2rem;
            border-bottom: 1px solid var(--light-gray);
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.02), rgba(248, 250, 252, 0.8));
        }
        
        .service-icon-large {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }
        
        .service-title h2 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 0.3rem;
            font-weight: 600;
        }
        
        .service-title p {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.4;
        }
        
        .service-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            padding: 2rem;
            min-height: 400px;
        }
        
        /* 左侧功能特性区域 */
        .service-features {
            margin-bottom: 1.5rem;
        }
        
        .service-features h3 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            color: var(--dark);
            font-weight: 600;
            display: flex;
            align-items: center;
        }
        
        .service-features h3:before {
            content: '';
            width: 4px;
            height: 20px;
            background: var(--primary);
            margin-right: 0.5rem;
            border-radius: 2px;
        }
        
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .feature-list li {
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            line-height: 1.4;
            color: var(--dark);
            padding: 0.3rem 0;
        }
        
        .feature-list li:last-child {
            margin-bottom: 0;
        }
        
        .feature-list i {
            color: var(--accent);
            margin-right: 0.6rem;
            font-size: 0.9rem;
            width: 14px;
            text-align: center;
            flex-shrink: 0;
        }
        
        
        /* 服务网格 */
        .services-grid-section {
            padding: 4rem 0;
            background: var(--light);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }
        
        .service-card {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            text-align: center;
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            opacity: 0.05;
            transition: height 0.4s ease;
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .service-card:hover:before {
            height: 100%;
        }
        
        .service-card .service-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 2rem;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .service-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: rotateY(180deg);
        }
        
        .service-card h3 {
            color: var(--dark);
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }
        
        .service-card p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        
        .service-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .service-link i {
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .service-link:hover {
            color: var(--secondary);
        }
        
        .service-link:hover i {
            transform: translateX(5px);
        }
        
        /* 服务优势 */
        .benefits {
            padding: 4rem 0;
            background: white;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }
        
        .benefit-card {
            text-align: center;
            padding: 2rem;
        }
        
        .benefit-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 2rem;
            position: relative;
        }
        
        .benefit-icon:after {
            content: '';
            position: absolute;
            width: 90px;
            height: 90px;
            border: 2px solid var(--primary);
            border-radius: 20px;
            opacity: 0.2;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 0.2;
            }
            100% {
                transform: scale(1.1);
                opacity: 0;
            }
        }
        
        .benefit-card h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        
        .benefit-card p {
            color: var(--gray);
            line-height: 1.6;
        }
        
        /* 时间估算部分 */
        .timeline-estimate {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--light) 0%, #e2e8f0 100%);
            position: relative;
        }
        
        .timeline-visual {
            max-width: 1000px;
            margin: 3rem auto;
            background: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .timeline-bar {
            height: 20px;
            background: var(--light-gray);
            border-radius: 10px;
            position: relative;
            margin: 2rem 0;
            overflow: hidden;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        .timeline-progress {
            position: absolute;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 10px;
            width: 0;
            transition: width 2s ease-in-out;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }
        
        .timeline-milestones {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1rem;
            margin-top: 3rem;
        }
        
        .milestone {
            text-align: center;
            position: relative;
            background: white;
            padding: 1.5rem 1rem;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .milestone:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }
        
        .milestone:before {
            content: '';
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            z-index: 2;
            border: 3px solid white;
        }
        
        .milestone h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
            font-weight: 600;
        }
        
        .milestone p {
            font-size: 1rem;
            color: var(--primary);
            font-weight: 600;
        }
        
        /* 工具技术部分 */
        .tools-section {
            padding: 6rem 0;
            background: var(--light);
            position: relative;
        }
        
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }
        
        .tool-item {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
        }
        
        .tool-item:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            opacity: 0.05;
            transition: height 0.4s ease;
            z-index: -1;
        }
        
        .tool-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .tool-item:hover:before {
            height: 100%;
        }
        
        .tool-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 2rem;
            transition: all 0.3s ease;
        }
        
        .tool-item:hover .tool-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: scale(1.1);
        }
        
        .tool-item h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--dark);
            font-weight: 600;
        }
        
        .tool-item p {
            color: var(--gray);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* CTA部分 */
        .cta {
            background: linear-gradient(120deg, var(--secondary), var(--secondary-dark));
            padding: 4rem 0;
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .cta p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.95;
        }
        
        .cta .btn {
            background: white;
            color: var(--secondary);
            font-size: 1.2rem;
            padding: 1.2rem 2.8rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
            text-decoration: none;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .cta .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }
        
        .cta .btn i {
            margin-left: 10px;
            transition: transform 0.3s;
        }
        
        .cta .btn:hover i {
            transform: translateX(5px);
        }
        
        /* 页脚样式 */
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3.5rem;
            margin-bottom: 2.5rem;
        }
        
        .footer-logo {
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 1.5rem;
            color: white;
        }
        
        .footer-about p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .social-links {
            display: flex;
        }
        
        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
            transition: all 0.3s;
            font-size: 1.2rem;
        }
        
        .social-links a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        
        .footer-heading {
            font-size: 1.4rem;
            margin-bottom: 1.8rem;
            color: white;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .footer-heading:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 1rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-links a i {
            margin-right: 10px;
            font-size: 0.9rem;
            transition: transform 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--secondary);
        }
        
        .footer-links a:hover i {
            transform: translateX(5px);
        }
        
        .footer-newsletter p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .newsletter-form {
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            background: transparent;
            color: white;
            font-size: 1rem;
        }
        
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .newsletter-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .newsletter-form button:hover {
            background: var(--secondary-dark);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 0.95rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .dropdown-content {
                position: static;
                box-shadow: none;
                background: var(--light);
                padding: 0;
                margin-left: 20px;
            }
            
            .dropdown-content a {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
            
            .dropdown-content a:hover {
                padding-left: 20px;
            }
            
            .service-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 1.5rem;
            }
            
            .service-header {
                flex-direction: column;
                text-align: center;
                padding: 1.5rem 1.5rem 1rem 1.5rem;
            }
            
            .service-features {
                margin-bottom: 1.2rem;
            }
            
            
            .service-icon-large {
                margin-right: 0;
                margin-bottom: 0.8rem;
                width: 45px;
                height: 45px;
                font-size: 1.1rem;
            }
            
            .services-tabs {
                flex-direction: column;
                align-items: center;
                gap: 1rem;
            }
            
            .tab-button {
                width: 100%;
                max-width: 350px;
                justify-content: center;
                padding: 1rem 1.5rem;
            }
            
            .timeline-milestones {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            
            .tools-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .page-header p {
                font-size: 1.1rem;
            }
            
            .service-title h2 {
                font-size: 1.4rem;
            }
            
            .service-content {
                padding: 1.2rem;
                gap: 1.2rem;
            }
            
            .service-header {
                padding: 1.2rem 1.2rem 0.8rem 1.2rem;
            }
            
            .service-features h3 {
                font-size: 1rem;
            }
            
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            
            .timeline-visual {
                padding: 2rem;
                margin: 2rem auto;
            }
            
            .timeline-milestones {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .milestone {
                padding: 1rem;
            }
            
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .tool-item {
                padding: 2rem 1.5rem;
            }
            

        }
        
        @media (max-width: 480px) {
            .page-header {
                padding: 120px 0 60px;
            }
            
            .service-icon-large {
                width: 80px;
                height: 80px;
                font-size: 2rem;
            }
            
            
            .service-detail {
                margin-top: 1rem;
                border-radius: 10px;
            }
            
            .service-header {
                padding: 1rem 1rem 0.8rem 1rem;
            }
            
            .service-content {
                padding: 1.5rem;
            }

            .service-features {
                padding: 1.2rem;
            }

            .service-features h3 {
                font-size: 1.1rem;
            }
            
            .service-features {
                margin-bottom: 1rem;
            }
            
            .service-features h3 {
                font-size: 1.1rem;
                margin-bottom: 0.8rem;
            }
            
            
            .service-icon-large {
                width: 45px;
                height: 45px;
                font-size: 1.1rem;
            }
            
            .tab-button {
                padding: 0.8rem 1rem;
                font-size: 0.9rem;
            }
            
            .timeline-visual {
                padding: 1.5rem;
                margin: 1rem auto;
            }
            
            .timeline-bar {
                height: 15px;
            }
            
            .tool-item {
                padding: 1.5rem 1rem;
            }
        }

        /* 新的发展历程样式 */
        .milestone-section {
            background: linear-gradient(135deg, var(--light) 0%, #f1f5f9 100%);
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }

        .milestone-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="80" cy="80" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="40" cy="60" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            pointer-events: none;
        }

        .milestones-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
            position: relative;
        }

        .milestone-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            position: relative;
            transition: all 0.3s ease;
            border: 1px solid rgba(37, 99, 235, 0.1);
            overflow: hidden;
        }

        .milestone-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .milestone-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            border-color: var(--primary);
        }

        .milestone-year {
            position: relative;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .year-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            display: block;
        }

        .year-decoration {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 0.5rem auto;
            border-radius: 2px;
        }

        .milestone-content {
            text-align: center;
            position: relative;
        }

        .milestone-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
            transition: all 0.3s ease;
        }

        .milestone-card:hover .milestone-icon {
            transform: rotateY(180deg) scale(1.1);
            box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
        }

        .milestone-content h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .milestone-content p {
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .milestone-highlight {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), #06d6a0);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        /* 时间线统计 */
        .timeline-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 4rem;
            padding: 2rem;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }

        .stat-box {
            text-align: center;
            padding: 1.5rem;
            position: relative;
        }

        .stat-box::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 60%;
            background: var(--light-gray);
        }

        .stat-box:last-child::after {
            display: none;
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--gray);
            font-weight: 500;
            font-size: 0.9rem;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .milestones-container {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 1.5rem;
            }
            
            .timeline-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            
            .stat-box::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .milestone-section {
                padding: 3rem 0;
            }
            
            .milestones-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                margin: 2rem 0;
            }
            
            .milestone-card {
                padding: 1.5rem;
            }
            
            .year-number {
                font-size: 2.5rem;
            }
            
            .milestone-icon {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
            
            .timeline-stats {
                grid-template-columns: 1fr;
                gap: 1rem;
                margin-top: 2rem;
                padding: 1.5rem;
            }
            
            .stat-value {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .milestone-card {
                padding: 1.2rem;
            }
            
            .year-number {
                font-size: 2rem;
            }
            
            .milestone-content h3 {
                font-size: 1.2rem;
            }
            
            .milestone-content p {
                font-size: 0.9rem;
            }
        }

        /* 新版Services页面样式 */
        .services-page {
            overflow-x: hidden;
        }

        /* Hero Section */
        .services-hero {
            min-height: 100vh;
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            margin-top: 80px;
        }

        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-particles {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            from {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            to {
                transform: translateY(-100px) rotate(360deg);
                opacity: 0;
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            margin-bottom: 2rem;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-badge i {
            margin-right: 0.5rem;
            color: var(--secondary);
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            background: linear-gradient(45deg, #ffffff, #e2e8f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 3rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1rem;
            opacity: 0.8;
        }

        .hero-cta {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 新的按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            font-size: 1.1rem;
        }

        .btn i {
            margin-right: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: white;
            box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(249, 115, 22, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
            transform: translateY(-3px);
        }

        /* 服务概览 */
        .services-overview {
            padding: 6rem 0;
            background: #ffffff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-header h2 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .section-header p {
            font-size: 1.2rem;
            color: var(--gray);
        }

        /* 服务选项卡样式 */
        .services-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .service-tab {
            background: white;
            border: 2px solid var(--light-gray);
            border-radius: 16px;
            padding: 1.5rem 2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
            min-width: 140px;
            text-align: center;
        }

        .service-tab:hover {
            border-color: var(--primary);
            background: var(--light);
            transform: translateY(-5px);
        }

        .service-tab.active {
            border-color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
        }

        .tab-icon {
            width: 50px;
            height: 50px;
            background: var(--light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all 0.3s ease;
        }

        .service-tab.active .tab-icon {
            background: rgba(255, 255, 255, 0.2);
            color: white;
        }

        .service-tab span {
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 服务内容面板 */
        .services-content {
            margin-top: 2rem;
        }

        .service-detail-panel {
            display: none;
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--light-gray);
        }

        .service-detail-panel.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .service-intro {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
            align-items: center;
        }

        .service-badge-large {
            background: linear-gradient(135deg, var(--accent), #06d6a0);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: 1.5rem;
        }

        .service-intro h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .service-description {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--gray);
            margin-bottom: 2rem;
        }

        .service-stats {
            display: flex;
            gap: 2rem;
        }

        .service-stats .stat-item {
            text-align: center;
        }

        .service-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.3rem;
            display: block;
        }

        .service-stats .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }

        .service-image {
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 4rem;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .service-image::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }

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

        .service-content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .content-section h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }

        .content-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .feature-list li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
            padding: 0.8rem;
            background: var(--light);
            border-radius: 10px;
            border-left: 4px solid var(--primary);
        }

        .feature-list i {
            color: var(--primary);
            margin-right: 1rem;
            font-size: 1.2rem;
            margin-top: 0.1rem;
            flex-shrink: 0;
        }

        .process-steps {
            space-y: 1rem;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
            padding: 1.5rem;
            background: linear-gradient(135deg, var(--light), rgba(248, 250, 252, 0.8));
            border-radius: 12px;
            border-left: 4px solid var(--secondary);
        }

        .step-number {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: white;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 1.5rem;
            flex-shrink: 0;
            font-size: 1.1rem;
        }

        .step-content h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }

        .step-content p {
            color: var(--gray);
            line-height: 1.6;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .category-item {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
            border: 2px solid var(--light-gray);
            transition: all 0.3s ease;
        }

        .category-item:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .category-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .standards-grid, .advantage-items, .special-services, .distribution-services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .standard-item, .advantage-item, .service-item, .distribution-item {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
            border: 2px solid var(--light-gray);
            transition: all 0.3s ease;
        }

        .standard-item:hover, .advantage-item:hover, .service-item:hover, .distribution-item:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .standard-item i, .advantage-item i, .service-item i, .distribution-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .standard-item h4, .advantage-item h4, .service-item h4, .distribution-item h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 0.8rem;
        }

        .standard-item p, .advantage-item p, .service-item p, .distribution-item p {
            color: var(--gray);
            line-height: 1.6;
        }

        .service-action {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--light-gray);
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .service-intro {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }

            .service-stats {
                justify-content: center;
            }

            .service-content-grid {
                grid-template-columns: 1fr;
            }

            .category-grid, .standards-grid, .advantage-items, .special-services, .distribution-services {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .services-tabs {
                flex-direction: column;
                align-items: center;
            }

            .service-tab {
                width: 100%;
                max-width: 300px;
                flex-direction: row;
                justify-content: flex-start;
                padding: 1rem 1.5rem;
            }

            .tab-icon {
                width: 40px;
                height: 40px;
                margin-right: 1rem;
            }

            .service-detail-panel {
                padding: 2rem;
            }

            .service-intro h2 {
                font-size: 2rem;
            }

            .service-stats {
                flex-direction: column;
                gap: 1rem;
            }

            .service-image {
                width: 150px;
                height: 150px;
                font-size: 3rem;
            }

            .category-grid, .standards-grid, .advantage-items, .special-services, .distribution-services {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            transition: all 0.3s ease;
            margin: 0 auto 1rem;
        }

        .service-card:hover .service-icon {
            transform: rotateY(180deg) scale(1.1);
        }

        .service-badge {
            background: linear-gradient(135deg, var(--accent), #06d6a0);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: 1.5rem;
        }

        .card-content h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .card-content p {
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .service-features {
            list-style: none;
            margin-bottom: 2rem;
        }

        .service-features li {
            display: flex;
            align-items: center;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: var(--gray);
        }

        .service-features i {
            color: var(--accent);
            margin-right: 0.5rem;
            font-size: 0.8rem;
        }

        .card-footer {
            margin-top: auto;
        }

        .btn-detail {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-detail:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        /* 服务详情模态框 */
        .service-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .service-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: transparent;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            transform: scale(0.8);
            transition: transform 0.3s ease;
        }

        .service-modal.active .modal-content {
            transform: scale(1);
        }

        .modal-header {
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            justify-content: flex-end;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray);
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .modal-close:hover {
            background: var(--light);
            color: var(--dark);
        }

        .modal-body {
            padding: 2rem;
        }

        .modal-service-header {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--light-gray);
        }

        .modal-service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            margin-right: 1.5rem;
        }

        .modal-service-info h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }

        .modal-service-info p {
            color: var(--gray);
            font-size: 1.1rem;
        }

        .detail-section {
            margin-bottom: 2.5rem;
        }

        .detail-section h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .detail-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1rem;
        }

        .feature-item {
            display: flex;
            align-items: center;
            padding: 1rem;
            background: var(--light);
            border-radius: 10px;
            border-left: 4px solid var(--primary);
        }

        .feature-item i {
            color: var(--primary);
            margin-right: 0.8rem;
            font-size: 1.2rem;
        }

        .process-list {
            space-y: 1rem;
        }

        .process-item {
            display: flex;
            align-items: flex-start;
            padding: 1.5rem;
            background: linear-gradient(135deg, var(--light), rgba(248, 250, 252, 0.8));
            border-radius: 12px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--secondary);
        }

        .process-number {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 1rem;
            flex-shrink: 0;
        }

        .modal-footer {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--light-gray);
        }

        /* 服务流程 */
        .service-process {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--light) 0%, #f1f5f9 100%);
        }

        .process-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .process-step {
            background: white;
            padding: 2rem;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(30px);
        }

        .process-step.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .process-step:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }

        .step-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
            position: relative;
        }

        .step-content h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .step-content p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* 服务优势 */
        .service-advantages {
            padding: 6rem 0;
            background: white;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .advantage-card {
            text-align: center;
            padding: 2rem;
            background: linear-gradient(135deg, var(--light), rgba(248, 250, 252, 0.8));
            border-radius: 16px;
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(30px);
        }

        .advantage-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .advantage-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--accent), #06d6a0);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
            position: relative;
        }

        .advantage-icon::after {
            content: '';
            position: absolute;
            width: 90px;
            height: 90px;
            border: 2px solid var(--accent);
            border-radius: 20px;
            opacity: 0.3;
            animation: pulse 2s infinite;
        }

        .advantage-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .advantage-card p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* 客户案例 */
        .client-testimonials {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: white;
        }

        .client-testimonials .section-header h2 {
            color: white;
        }

        .client-testimonials .section-header p {
            color: rgba(255, 255, 255, 0.8);
        }

        .testimonials-slider {
            position: relative;
            max-width: 800px;
            margin: 3rem auto;
        }

        .testimonial-card {
            display: none;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .testimonial-card.active {
            display: block;
            opacity: 1;
        }

        .testimonial-content {
            background: rgba(255, 255, 255, 0.1);
            padding: 3rem;
            border-radius: 20px;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-align: center;
        }

        .quote-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
        }

        .testimonial-content p {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .author-info h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }

        .author-info span {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .testimonial-nav {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .nav-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-dot.active {
            background: var(--secondary);
            transform: scale(1.3);
        }

        /* CTA区域 */
        .services-cta {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            color: white;
        }

        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
        }

        .cta-text h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .cta-text p {
            font-size: 1.2rem;
            opacity: 0.9;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            flex-shrink: 0;
        }

        .cta-buttons .btn {
            white-space: nowrap;
        }

        .cta-buttons .btn-primary {
            background: white;
            color: var(--secondary);
        }

        .cta-buttons .btn-primary:hover {
            background: var(--light);
        }

        .cta-buttons .btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .services-hero .hero-content h1 {
                font-size: 2.8rem;
            }

            .services-hero .hero-stats {
                gap: 2rem;
            }

            .services-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }

            .process-timeline {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }

            .cta-content {
                flex-direction: column;
                text-align: center;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .services-hero {
                min-height: 80vh;
            }

            .services-hero .hero-content h1 {
                font-size: 2.2rem;
            }

            .services-hero .hero-subtitle {
                font-size: 1.1rem;
            }

            .services-hero .hero-stats {
                flex-direction: column;
                gap: 1.5rem;
            }

            .services-hero .hero-cta {
                flex-direction: column;
                align-items: center;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .process-timeline {
                grid-template-columns: 1fr;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .modal-content {
                width: 95%;
                margin: 1rem;
            }

            .modal-service-header {
                flex-direction: column;
                text-align: center;
            }

            .modal-service-icon {
                margin-right: 0;
                margin-bottom: 1rem;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .services-hero .hero-content {
                padding: 1rem;
            }

            .services-hero .hero-content h1 {
                font-size: 1.8rem;
            }

            .section-header h2 {
                font-size: 2.2rem;
            }

            .service-card {
                padding: 1.5rem;
            }

            .modal-body {
                padding: 1.5rem;
            }

            .testimonial-content {
                padding: 2rem;
            }

            .cta-text h2 {
                font-size: 2rem;
            }
        }

        
        /* 服务概览 */
        .services-overview {
            padding: 4rem 0;
            background: white;
        }
        
        .services-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        
        .tab-button {
            padding: 0.8rem 1.5rem;
            background: var(--light);
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .tab-button i {
            margin-right: 0.8rem;
            font-size: 1.2rem;
        }
        
        .tab-button.active {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
        }
        
        .tab-button:hover:not(.active) {
            background: var(--light-gray);
        }
        
        /* 服务详情 */
        .service-detail {
            padding: 1.5rem 0;
            display: none;
        }
        
        .service-detail.active {
            display: block;
        }
        
        .service-header {
            display: flex;
            align-items: center;
            margin-bottom: 1.8rem;
        }
        
        .service-icon-large {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            color: var(--primary);
            font-size: 2rem;
        }
        
        .service-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        
        .service-title p {
            font-size: 1.2rem;
            color: var(--gray);
        }
        
        .service-content {
            background: white;
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
        }

        .service-content:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .service-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 0;
        }
        
        .service-features {
            background: var(--light);
            padding: 1.8rem;
            border-radius: 12px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: all 0.3s ease;
            margin-bottom: 0;
        }

        .service-features:hover {
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-color: var(--primary);
        }
        
        .service-features h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--dark);
            font-weight: 600;
            position: relative;
            padding-bottom: 0.5rem;
            padding-left: 0;
            display: flex;
            align-items: center;
        }
        
        .service-features h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 1px;
        }
        
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .feature-list li {
            margin-bottom: 0.6rem;
            display: flex;
            align-items: flex-start;
            padding: 0.4rem 0;
            color: var(--gray);
            line-height: 1.5;
        }

        .feature-list li:last-child {
            margin-bottom: 0;
        }
        
        .feature-list i {
            color: var(--primary);
            margin-right: 0.8rem;
            font-size: 1rem;
            margin-top: 0.1rem;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        
        
        .process-steps {
            list-style: none;
            counter-reset: step-counter;
        }
        
        .process-steps li {
            margin-bottom: 1.5rem;
            padding-left: 3rem;
            position: relative;
            counter-increment: step-counter;
        }
        
        .process-steps li:before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            width: 2rem;
            height: 2rem;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        /* 服务网格 */
        .services-grid-section {
            padding: 4rem 0;
            background: var(--light);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }
        
        .service-card {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            text-align: center;
            border: 1px solid var(--light-gray);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            opacity: 0.05;
            transition: height 0.4s ease;
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .service-card:hover:before {
            height: 100%;
        }
        
        .service-card .service-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 2rem;
            transition: all 0.3s ease;
        }
        
        .service-card:hover .service-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: rotateY(180deg);
        }
        
        .service-card h3 {
            color: var(--dark);
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }
        
        .service-card p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        
        .service-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .service-link i {
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .service-link:hover {
            color: var(--secondary);
        }
        
        .service-link:hover i {
            transform: translateX(5px);
        }
        
        /* 服务优势 */
        .benefits {
            padding: 4rem 0;
            background: white;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }
        
        .benefit-card {
            text-align: center;
            padding: 2rem;
        }
        
        .benefit-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 2rem;
            position: relative;
        }
        
        .benefit-icon:after {
            content: '';
            position: absolute;
            width: 90px;
            height: 90px;
            border: 2px solid var(--primary);
            border-radius: 20px;
            opacity: 0.2;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 0.2;
            }
            100% {
                transform: scale(1.1);
                opacity: 0;
            }
        }
        
        .benefit-card h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        
        .benefit-card p {
            color: var(--gray);
            line-height: 1.6;
        }
        
        /* CTA部分 */
        .cta {
            background: linear-gradient(120deg, var(--secondary), var(--secondary-dark));
            padding: 4rem 0;
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .cta p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.95;
        }
        
        .cta .btn {
            background: white;
            color: var(--secondary);
            font-size: 1.2rem;
            padding: 1.2rem 2.8rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
            text-decoration: none;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .cta .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }
        
        .cta .btn i {
            margin-left: 10px;
            transition: transform 0.3s;
        }
        
        .cta .btn:hover i {
            transform: translateX(5px);
        }
        
        /* 页脚样式 */
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3.5rem;
            margin-bottom: 2.5rem;
        }
        
        .footer-logo {
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 1.5rem;
            color: white;
        }
        
        .footer-about p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .social-links {
            display: flex;
        }
        
        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
            transition: all 0.3s;
            font-size: 1.2rem;
        }
        
        .social-links a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        
        .footer-heading {
            font-size: 1.4rem;
            margin-bottom: 1.8rem;
            color: white;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .footer-heading:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 1rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-links a i {
            margin-right: 10px;
            font-size: 0.9rem;
            transition: transform 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--secondary);
        }
        
        .footer-links a:hover i {
            transform: translateX(5px);
        }
        
        .footer-newsletter p {
            margin-bottom: 1.8rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .newsletter-form {
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            background: transparent;
            color: white;
            font-size: 1rem;
        }
        
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .newsletter-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .newsletter-form button:hover {
            background: var(--secondary-dark);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 0.95rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .dropdown-content {
                position: static;
                box-shadow: none;
                background: var(--light);
                padding: 0;
                margin-left: 20px;
            }
            
            .dropdown-content a {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
            
            .dropdown-content a:hover {
                padding-left: 20px;
            }
            
            .service-content {
                padding: 2rem;
            }

            .service-features-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .service-features {
                padding: 1.5rem;
            }
            
            .service-header {
                flex-direction: column;
                text-align: center;
            }
            
            .service-icon-large {
                margin-right: 0;
                margin-bottom: 1.5rem;
            }
            
            .services-tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .tab-button {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .page-header p {
                font-size: 1.1rem;
            }
            
            .service-title h2 {
                font-size: 2rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            

        }
        
        @media (max-width: 480px) {
            .page-header {
                padding: 120px 0 60px;
            }
            
            .service-icon-large {
                width: 80px;
                height: 80px;
                font-size: 2rem;
            }
            
            .process-steps li {
                padding-left: 2.5rem;
            }
            
            .process-steps li:before {
                width: 1.8rem;
                height: 1.8rem;
            }
        }