/* 页面标题横幅 */
        .page-banner {
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: 100% 100%;
        }
        
        .page-banner h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            position: relative;
            animation: fadeInUp 1s ease;
        }
        
        .page-banner p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto;
            opacity: 0.9;
            position: relative;
            animation: fadeInUp 1s ease 0.2s forwards;
            opacity: 0;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 服务介绍 */
        .service-intro {
            padding: 100px 0;
            background-color: white;
            position: relative;
        }
        
        .intro-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 50px;
        }
        
        .intro-text {
            flex: 1;
            min-width: 300px;
        }
        
        .intro-text h2 {
            color: var(--primary);
            margin-bottom: 25px;
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
        }
        
        .intro-text h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--secondary);
        }
        
        .intro-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: #444;
            line-height: 1.8;
        }
        
        .problem-list {
            margin: 30px 0;
        }
        
        .problem-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 8px;
            transition: var(--transition);
        }
        
        .problem-item:hover {
            background-color: #e9ecef;
            transform: translateX(5px);
        }
        
        .problem-icon {
            color: var(--secondary);
            font-size: 1.2rem;
            margin-right: 15px;
            margin-top: 3px;
        }
        
        .intro-image {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        
        .intro-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        
        .intro-image:hover img {
            transform: translateY(-10px) rotate(2deg);
            box-shadow: 0 30px 50px rgba(0, 0, 0, 0.2);
        }
        
        /* 服务流程 */
        .process-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 70px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: var(--secondary);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin: 60px 0;
            flex-wrap: wrap;
        }
        
        .process-steps::before {
            content: '';
            position: absolute;
            top: 80px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 250px;
            margin-bottom: 50px;
        }
        
        .step-icon {
            width: 160px;
            height: 160px;
            background: white;
            border: 3px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 3rem;
            color: var(--primary);
            transition: var(--transition);
            box-shadow: 0 10px 30px rgba(10, 36, 99, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .step-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
            transition: var(--transition);
            z-index: -1;
        }
        
        .step:hover .step-icon {
            transform: translateY(-10px) scale(1.05);
            color: white;
            border-color: var(--secondary);
        }
        
        .step:hover .step-icon::before {
            height: 100%;
        }
        
        .step-content {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
            margin-top: 10px;
            position: relative;
            overflow: hidden;
        }
        
        .step-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 0;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transition: var(--transition);
        }
        
        .step:hover .step-content {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .step:hover .step-content::before {
            height: 100%;
        }
        
        .step-number {
            display: inline-block;
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            line-height: 50px;
            font-weight: bold;
            margin-bottom: 20px;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .step:hover .step-number {
            background-color: var(--secondary);
            transform: scale(1.1);
        }
        
        .step-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        
        .step:hover .step-content h3 {
            color: var(--secondary);
        }
        
        .step-content p {
            color: #666;
            font-size: 1rem;
            line-height: 1.7;
        }
        
        /* 所需资料 */
        .materials-section {
            padding: 100px 0;
            background-color: white;
        }
        
        .materials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .material-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border-left: 5px solid var(--primary);
        }
        
        .material-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
            border-left: 5px solid var(--secondary);
        }
        
        .material-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
            opacity: 0.05;
            transition: var(--transition);
            z-index: 0;
        }
        
        .material-card:hover::before {
            height: 100%;
        }
        
        .material-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .material-card h3 {
            margin-bottom: 15px;
            color: var(--primary);
            position: relative;
            z-index: 1;
        }
        
        .material-card ul {
            list-style: none;
            position: relative;
            z-index: 1;
        }
        
        .material-card li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            border-bottom: 1px dashed #ddd;
        }
        
        .material-card li:last-child {
            border-bottom: none;
        }
        
        .material-card li i {
            color: var(--secondary);
            margin-right: 10px;
            margin-top: 5px;
        }
        
        /* 服务优势 */
        .advantages-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .advantages-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,70 C50,0 50,100 100,30 L100,100 L0,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: 100% 100%;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            position: relative;
            z-index: 1;
        }
        
        .advantage-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 40px 30px;
            border-radius: 15px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .advantage-card:hover {
            transform: translateY(-10px) scale(1.02);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        .advantage-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 25px;
            display: block;
        }
        
        .advantage-card h3 {
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        /* CTA区域 */
        .cta-section {
            text-align: center;
            padding: 100px 0;
            background-color: white;
            position: relative;
        }
        
        .cta-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        .cta-section h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .cta-section p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            color: #555;
        }
        
        .btn-large {
            display: inline-block;
            padding: 18px 50px;
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            font-size: 1.2rem;
            box-shadow: 0 10px 30px rgba(10, 36, 99, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .btn-large::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--secondary) 0%, #e6c44f 100%);
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }
        
        .btn-large:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(10, 36, 99, 0.4);
            color: var(--dark);
        }
        
        .btn-large:hover::before {
            opacity: 1;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            
            .process-steps::before {
                display: none;
            }
            
            .step {
                width: 100%;
                max-width: 400px;
                margin-bottom: 50px;
            }
            
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .intro-content {
                flex-direction: column;
            }
            
            .intro-text {
                padding-right: 0;
                margin-bottom: 40px;
            }
        }
        
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 2.2rem;
            }
            
            .page-banner p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .intro-text h2 {
                font-size: 2rem;
            }
            
            .step-icon {
                width: 120px;
                height: 120px;
                font-size: 2.5rem;
            }
            
            .cta-section h2 {
                font-size: 2.2rem;
            }
            
            .cta-section p {
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .page-banner {
                padding: 80px 0;
            }
            
            .page-banner h1 {
                font-size: 1.8rem;
            }
            
            .btn-large {
                padding: 15px 30px;
                font-size: 1rem;
            }
        }