/* IDC许可证英雄区域 */
        .idc-hero {
            background: linear-gradient(135deg, rgba(10, 36, 99, 0.9) 0%, rgba(62, 146, 204, 0.85) 100%), url('/jia/images/27.jpg') center/cover no-repeat;
            padding: 100px 0;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .idc-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2MCIgaGVpZ2h0PSI2MCIgdmlld0JveD0iMCAwIDYwIDYwIj48ZyBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLW9wYWNpdHk9IjAuMSI+PGNpcmNsZSBjeD0iMzAiIGN5PSIzMCIgcj0iMjgiLz48L2c+PC9zdmc+');
            opacity: 0.3;
        }
        
        .idc-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .idc-hero h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease;
        }
        
        .idc-hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            animation: fadeInUp 1.2s ease;
        }
        
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 50px;
            animation: fadeInUp 1.4s ease;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        
        /* 服务介绍 */
        .service-intro {
            padding: 80px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            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: 80px;
            height: 3px;
            background-color: var(--secondary);
        }
        
        .intro-content {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        
        .intro-text {
            flex: 1;
            min-width: 300px;
        }
        
        .intro-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .intro-image {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        
        .intro-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .intro-image:hover img {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        /* 所需材料 */
        .materials-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .materials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .material-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            position: relative;
        }
        
        .material-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .material-card-header {
            padding: 20px;
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 100%);
            color: white;
            display: flex;
            align-items: center;
        }
        
        .material-card-icon {
            font-size: 2rem;
            margin-right: 15px;
            color: var(--secondary);
        }
        
        .material-card-header h3 {
            font-size: 1.3rem;
        }
        
        .material-card-body {
            padding: 20px;
        }
        
        .material-list {
            list-style: none;
        }
        
        .material-list li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }
        
        .material-list li:last-child {
            border-bottom: none;
        }
        
        .material-list li i {
            color: var(--secondary);
            margin-right: 10px;
        }
        
        /* 办理流程 */
        .process-section {
            padding: 80px 0;
            background-color: white;
        }
        
        .process-timeline {
            position: relative;
            max-width: 1000px;
            margin: 50px auto;
        }
        
        .process-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transform: translateX(-50%);
        }
        
        .process-step {
            position: relative;
            margin-bottom: 50px;
            width: 100%;
            display: flex;
        }
        
        .process-step:nth-child(odd) {
            justify-content: flex-start;
        }
        
        .process-step:nth-child(even) {
            justify-content: flex-end;
        }
        
        .step-content {
            width: 45%;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            position: relative;
            transition: var(--transition);
        }
        
        .step-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .step-number {
            position: absolute;
            top: -20px;
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 5px 15px rgba(10, 36, 99, 0.3);
        }
        
        .process-step:nth-child(odd) .step-number {
            right: -20px;
        }
        
        .process-step:nth-child(even) .step-number {
            left: -20px;
        }
        
        .step-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .step-content p {
            color: #666;
            margin-bottom: 10px;
        }
        
        .step-duration {
            display: inline-block;
            margin-top: 10px;
            padding: 5px 12px;
            background-color: var(--secondary);
            color: var(--dark);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        /* 服务优势 */
        .advantages-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .advantage-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transition: var(--transition);
        }
        
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .advantage-card:hover::before {
            width: 100%;
            opacity: 0.05;
        }
        
        .advantage-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .advantage-card:hover .advantage-icon {
            color: var(--secondary);
            transform: scale(1.1);
        }
        
        .advantage-card h3 {
            margin-bottom: 15px;
            color: var(--primary);
            transition: var(--transition);
        }
        
        .advantage-card:hover h3 {
            color: var(--secondary);
        }
        
        /* CTA区域 */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            background-color: var(--primary);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2MCIgaGVpZ2h0PSI2MCIgdmlld0JveD0iMCAwIDYwIDYwIj48ZyBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS13aWR0aD0iMSIgc3Ryb2tlLW9wYWNpdHk9IjAuMSI+PGNpcmNsZSBjeD0iMzAiIGN5PSIzMCIgcj0iMTUiLz48L2c+PC9zdmc+');
            opacity: 0.3;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            padding: 15px 35px;
            background-color: var(--secondary);
            color: var(--dark);
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--secondary);
            font-size: 1.1rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--primary);
            transition: var(--transition);
            z-index: -1;
        }
        
        .btn:hover {
            color: white;
        }
        
        .btn:hover::before {
            left: 0;
        }
        
        .btn-large {
            padding: 16px 40px;
            font-size: 1.2rem;
        }
        
        
        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .idc-hero h2 {
                font-size: 2.2rem;
            }
            
            .process-timeline::before {
                left: 30px;
            }
            
            .process-step {
                justify-content: flex-start !important;
                padding-left: 70px;
            }
            
            .step-content {
                width: 100%;
            }
            
            .process-step:nth-child(odd) .step-number,
            .process-step:nth-child(even) .step-number {
                left: 0;
                right: auto;
            }
        }
        
        @media (max-width: 768px) {
            .idc-hero {
                padding: 70px 0;
            }
            
            .idc-hero h2 {
                font-size: 1.8rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .hero-stats {
                flex-wrap: wrap;
            }
            
            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
            }
            
            .friend-links {
                justify-content: center;
                margin-bottom: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .idc-hero h2 {
                font-size: 1.5rem;
            }
            
            .idc-hero p {
                font-size: 1rem;
            }
            
            .btn {
                padding: 12px 25px;
            }
            
            .stat-number {
                font-size: 2rem;
            }
            
            .process-step {
                padding-left: 50px;
            }
        }