/* 页面标题横幅 */
        .page-banner {
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 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;
            animation-fill-mode: both;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 服务介绍部分 */
        .service-intro {
            padding: 100px 0;
            background: white;
        }
        
        .intro-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .intro-text {
            flex: 1;
        }
        
        .intro-text h2 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 25px;
            position: relative;
        }
        
        .intro-text h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--secondary);
        }
        
        .intro-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: #555;
        }
        
        .intro-image {
            flex: 1;
            position: relative;
        }
        
        .intro-image img {
            width: 100%;
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .intro-image:hover img {
            transform: translateY(-10px);
            box-shadow: 0 30px 50px rgba(0, 0, 0, 0.15);
        }
        
        .intro-image::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 100px;
            height: 100px;
            background: var(--secondary);
            border-radius: 50%;
            z-index: -1;
            opacity: 0.2;
        }
        
        .intro-image::after {
            content: '';
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: var(--primary);
            border-radius: 50%;
            z-index: -1;
            opacity: 0.2;
        }
        
        /* 服务详情部分 */
        .service-details {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .details-tabs {
            display: flex;
            margin-bottom: 40px;
            border-bottom: 2px solid #eee;
        }
        
        .tab-btn {
            padding: 15px 30px;
            background: transparent;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: #777;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        
        .tab-btn.active {
            color: var(--primary);
        }
        
        .tab-btn::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 4px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        
        .tab-btn.active::after {
            width: 100%;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .materials-list, .process-list {
            list-style: none;
        }
        
        .materials-list li, .process-list li {
            padding: 20px;
            background: white;
            margin-bottom: 15px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
        }
        
        .materials-list li.visible, .process-list li.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .materials-list li:hover, .process-list li:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .list-icon {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .list-content h3 {
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .list-content p {
            color: #666;
        }
        
        /* 营销标语部分 */
        .marketing-section {
            padding: 100px 0;
            background: url('/template/jia/images/19.jpg') center/cover no-repeat;
            position: relative;
            color: white;
            text-align: center;
        }
        
        .marketing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(10, 36, 99, 0.9) 0%, rgba(62, 146, 204, 0.8) 100%);
        }
        
        .marketing-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .marketing-content h2 {
            font-size: 2.8rem;
            margin-bottom: 40px;
        }
        
        .marketing-points {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .marketing-point {
            background: rgba(255, 255, 255, 0.1);
            padding: 40px 30px;
            border-radius: 15px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(30px);
        }
        
        .marketing-point.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .marketing-point:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.15);
        }
        
        .marketing-point i {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 25px;
        }
        
        .marketing-point h3 {
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .marketing-point p {
            opacity: 0.9;
            line-height: 1.8;
        }
        
        /* CTA区域 */
        .cta-section {
            text-align: center;
            padding: 100px 0;
            background-color: var(--primary);
            color: white;
        }
        
        .cta-section h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        
        .btn-large {
            display: inline-block;
            padding: 18px 45px;
            background-color: var(--secondary);
            color: var(--dark);
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--secondary);
            font-size: 1.2rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn-large::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: transparent;
            transition: var(--transition);
            z-index: -1;
        }
        
        .btn-large:hover {
            color: var(--secondary);
        }
        
        .btn-large:hover::before {
            left: 0;
            background: var(--primary);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .intro-content {
                flex-direction: column;
            }
            
            .intro-text, .intro-image {
                flex: none;
                width: 100%;
            }
            
            .intro-image {
                margin-top: 40px;
            }
            
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
        }
        
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 2.2rem;
            }
            
            .page-banner p {
                font-size: 1.1rem;
            }
            
            .intro-text h2 {
                font-size: 2rem;
            }
            
            .details-tabs {
                flex-direction: column;
            }
            
            .tab-btn {
                width: 100%;
                text-align: center;
                border-bottom: 1px solid #eee;
            }
            
            .marketing-content h2 {
                font-size: 2.2rem;
            }
            
            .cta-section h2 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .page-banner {
                padding: 80px 0;
            }
            
            .page-banner h1 {
                font-size: 1.8rem;
            }
            
            .materials-list li, .process-list li {
                flex-direction: column;
                text-align: center;
            }
            
            .list-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .btn-large {
                padding: 15px 30px;
                font-size: 1rem;
            }
        }