/* 页面标题横幅 */
        .page-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 160px 0 80px;
            color: var(--light-text);
            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: 3.5rem;
            margin-bottom: 20px;
            position: relative;
        }
        
        .page-banner p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto;
            opacity: 0.9;
        }
        
        /* 服务分类导航 */
        .services-nav {
            background: var(--light);
            padding: 30px 0;
            position: sticky;
            top: 80px;
            z-index: 999;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .services-nav-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .service-nav-item {
            padding: 12px 25px;
            background: var(--light-text);
            border-radius: 50px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        
        .service-nav-item:hover, .service-nav-item.active {
            background: var(--primary);
            color: var(--light-text);
            border-color: var(--primary);
        }
        
        /* 服务内容区域 */
        .services-content {
            padding: 80px 0;
        }
        
        .service-category {
            margin-bottom: 80px;
        }
        
        .service-category:last-child {
            margin-bottom: 0;
        }
        
        .category-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        .category-title h2 {
            font-size: 2.5rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            display: inline-block;
        }
        
        .category-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .category-title p {
            font-size: 1.2rem;
            color: var(--text);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .service-card {
            background: var(--light-text);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .service-icon {
            height: 180px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light-text);
            font-size: 3.5rem;
            position: relative;
            overflow: hidden;
        }
        
        .service-icon::after {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 60px;
            height: 60px;
            background: var(--accent);
            border-radius: 50%;
        }
        
        .service-content {
            padding: 30px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .service-content h3 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        .service-content p {
            margin-bottom: 25px;
            color: var(--text);
            flex-grow: 1;
        }
        
        .service-features {
            margin-bottom: 25px;
        }
        
        .service-features li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
        
        .service-features i {
            color: var(--accent);
            margin-right: 10px;
        }
        
        .service-cta {
            margin-top: auto;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 28px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }
        
        .btn:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
        }
        
        .btn i {
            margin-left: 8px;
        }
        
        /* 服务流程 */
        .service-process {
            padding: 100px 0;
            background: var(--light);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }
        
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 0;
            width: 30%;
            height: 2px;
            background: var(--primary-light);
            transform: translateY(-50%);
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: var(--light-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
            position: relative;
        }
        
        .step-number::after {
            content: '';
            position: absolute;
            width: 70px;
            height: 70px;
            border: 2px solid var(--primary-light);
            border-radius: 50%;
            top: -5px;
            left: -5px;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }
        
        .process-step h3 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
 
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .process-steps {
                flex-direction: column;
            }
            
            .process-step:not(:last-child)::after {
                display: none;
            }
            
            .process-step {
                margin-bottom: 40px;
            }
        }
        
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: var(--primary-dark);
                width: 100%;
                text-align: center;
                transition: 0.4s;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                padding: 30px 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 20px 0;
            }
            
            .page-banner h1 {
                font-size: 2.5rem;
            }
            
            .page-banner p {
                font-size: 1.1rem;
            }
            
            .category-title h2 {
                font-size: 2.2rem;
            }
            
            .services-nav-container {
                flex-direction: column;
                align-items: center;
            }
            
            .service-nav-item {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* 动画效果 */
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        .floating {
            animation: float 5s ease-in-out infinite;
        }