* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', Roboto, Arial, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background: #ffffff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 英雄区域 */
        .hero {
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #93c5fd 100%);
            color: #1e293b;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
            z-index: 0;
        }

        /* 科技感网格背景 */
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(59, 130, 246, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: 0;
            animation: gridMove 20s linear infinite;
        }

        /* 动态发光粒子 */
        @keyframes gridMove {
            0% {
                transform: translate(0, 0);
            }

            100% {
                transform: translate(50px, 50px);
            }
        }

        /* 发光线条效果 */
        .glow-line {
            position: absolute;
            width: 2px;
            background: linear-gradient(to bottom, transparent, #3b82f6, transparent);
            opacity: 0.6;
            animation: glowLine 3s ease-in-out infinite;
            z-index: 0;
        }

        @keyframes glowLine {

            0%,
            100% {
                opacity: 0.2;
                transform: scaleY(0.5);
            }

            50% {
                opacity: 0.8;
                transform: scaleY(1);
            }
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 1.5rem;
            margin-bottom: 40px;
            opacity: 0.9;
        }

        .cta-button {
            display: inline-block;
            background: #ff6600;
            color: white;
            padding: 15px 40px;
            text-decoration: none;
            font-size: 1.2rem;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .cta-button:hover {
            background: #ff8533;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        /* 导航栏样式 */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }

        .logo h1 {
            font-size: 1.5rem;
            color: #0066cc;
            margin: 0;
        }

        .logo i {
            margin-right: 10px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin: 0 15px;
        }

        .nav-links a {
            text-decoration: none;
            color: #1e293b;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: #3b82f6;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: #0066cc;
            bottom: -5px;
            left: 0;
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-contact {
            color: #ff6600;
            font-weight: bold;
            display: flex;
            align-items: center;
            margin-left: 20px;
        }

        .nav-contact i {
            margin-right: 10px;
        }

        .hamburger {
            display: none;
            font-size: 1.5rem;
            color: #1e293b;
            cursor: pointer;
        }

        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 边框发光动画 */
        @keyframes borderGlow {

            0%,
            100% {
                opacity: 0.8;
                transform: scale(1);
            }

            50% {
                opacity: 1;
                transform: scale(1.02);
            }
        }

        /* 脉冲动画 */
        @keyframes pulse {

            0%,
            100% {
                opacity: 0.3;
                transform: translate(-50%, -50%) scale(0.8);
            }

            50% {
                opacity: 0.6;
                transform: translate(-50%, -50%) scale(1);
            }
        }

        /* 产品优势 */
        .features {
            padding: 100px 0;
            background: #f8fafc;
            position: relative;
            overflow: hidden;
        }

        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .features::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(88, 28, 135, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(88, 28, 135, 0.08) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
        }

        .features .container {
            position: relative;
            z-index: 1;
        }

        .features h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 rgba(59, 130, 246, 0);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
            transition: left 0.5s ease;
            z-index: 0;
        }

        .feature-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .feature-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .feature-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .feature-card:nth-child(4) {
            animation-delay: 0.4s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.3), 0 0 30px rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.7);
            background: rgba(255, 255, 255, 1);
        }

        .feature-card:hover::before {
            left: 100%;
        }

        .feature-card>* {
            position: relative;
            z-index: 1;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #3b82f6;
        }

        .feature-card i {
            font-size: 4rem;
            color: #3b82f6;
            margin-bottom: 20px;
            text-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
            background: radial-gradient(circle at center, rgba(59, 130, 246, 0.2), transparent 70%);
            padding: 20px;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .feature-card:hover i {
            transform: scale(1.1);
            text-shadow: 0 0 40px rgba(59, 130, 246, 0.8);
            background: radial-gradient(circle at center, rgba(59, 130, 246, 0.3), transparent 70%);
        }

        .feature-card p {
            color: #475569;
        }

        /* 产品应用场景 */
        .applications {
            padding: 100px 0;
            background: #ffffff;
        }

        .applications h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .applications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .application-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            backdrop-filter: blur(10px);
        }

        .application-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .application-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .application-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .application-card:nth-child(4) {
            animation-delay: 0.4s;
        }

        .application-card:nth-child(5) {
            animation-delay: 0.5s;
        }

        .application-card:nth-child(6) {
            animation-delay: 0.6s;
        }

        .application-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.5);
            background: rgba(255, 255, 255, 1);
        }

        .application-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #3b82f6;
        }

        .application-card i {
            font-size: 4rem;
            color: #8b5cf6;
            margin-bottom: 20px;
            text-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
        }

        .application-card p {
            color: #475569;
        }

        /* 价格信息 */
        .pricing {
            padding: 100px 0;
            background: #f8fafc;
            position: relative;
            overflow: hidden;
        }

        .pricing::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .pricing::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
            background-size: 30px 30px;
            z-index: 0;
        }

        .pricing .container {
            position: relative;
            z-index: 1;
        }

        .pricing h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .pricing-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.3);
            padding: 50px 30px;
            border-radius: 16px;
            text-align: center;
            box-shadow:
                0 4px 20px rgba(0, 0, 0, 0.1),
                inset 0 0 0 1px rgba(59, 130, 246, 0.1);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            backdrop-filter: blur(10px);
            color: #1e293b;
            position: relative;
            overflow: hidden;
        }

        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 16px;
            padding: 1px;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: exclude;
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .pricing-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .pricing-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .pricing-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .pricing-card:hover {
            border-color: rgba(59, 130, 246, 0.6);
            transform: translateY(-10px);
            box-shadow:
                0 15px 35px rgba(59, 130, 246, 0.3),
                inset 0 0 0 1px rgba(59, 130, 246, 0.2);
            background: rgba(255, 255, 255, 1);
        }

        .pricing-card:hover::before {
            opacity: 1;
        }

        .pricing-card.popular {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.9));
            color: white;
            transform: scale(1.05);
            position: relative;
            border-color: rgba(59, 130, 246, 0.8);
            box-shadow:
                0 20px 40px rgba(59, 130, 246, 0.5),
                inset 0 0 0 1px rgba(255, 255, 255, 0.2);
        }

        .pricing-card.popular::before {
            opacity: 1;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.8), rgba(139, 92, 246, 0.8));
            animation: borderGlow 2s ease-in-out infinite;
        }

        .pricing-card.popular::after {
            content: "推荐";
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: #ff6600;
            color: white;
            padding: 5px 20px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 1rem;
            box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
            z-index: 2;
        }

        .pricing-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #3b82f6;
        }

        .pricing-card.popular h3 {
            color: white;
        }

        .price {
            font-size: 3rem;
            font-weight: bold;
            margin-bottom: 30px;
            color: #3b82f6;
        }

        .pricing-card.popular .price {
            color: white;
        }

        .price span {
            font-size: 1.5rem;
            font-weight: normal;
        }

        /* 技术参数 */
        .specifications {
            padding: 100px 0;
            background: #ffffff;
        }

        .specifications h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .spec-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            border-bottom: 2px solid rgba(59, 130, 246, 0.2);
            flex-wrap: wrap;
        }

        .spec-tab {
            padding: 15px 30px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            background: none;
            border: none;
            color: #cbd5e1;
            transition: all 0.3s ease;
            position: relative;
            margin: 0 10px;
        }

        .spec-tab:hover {
            color: #3b82f6;
        }

        .spec-tab.active {
            color: #3b82f6;
        }

        .spec-tab.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #3b82f6;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
        }

        .spec-content {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        .spec-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(255, 255, 255, 0.8);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(59, 130, 246, 0.2);
            backdrop-filter: blur(10px);
        }

        .spec-table th,
        .spec-table td {
            padding: 20px;
            text-align: left;
            border-bottom: 1px solid rgba(59, 130, 246, 0.2);
        }

        .spec-table th {
            background: rgba(241, 245, 249, 0.8);
            font-weight: bold;
            color: #1e293b;
            width: 30%;
            font-size: 1.1rem;
        }

        .spec-table td {
            color: #475569;
        }

        .spec-table tr:last-child td {
            border-bottom: none;
        }

        .spec-table tr:hover {
            background: rgba(59, 130, 246, 0.1);
        }

        /* 客户评价 */
        .testimonials {
            padding: 100px 0;
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
            position: relative;
            overflow: hidden;
        }

        .testimonials::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .testimonials .container {
            position: relative;
            z-index: 1;
        }

        .testimonials h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px 30px;
            border-radius: 16px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .testimonial-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .testimonial-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .testimonial-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .testimonial-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 1);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.5);
        }

        .stars {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.2rem;
            text-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
        }

        .testimonial-text {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 30px;
            font-style: italic;
            color: #475569;
        }

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

        .author-info h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: #3b82f6;
        }

        .author-info p {
            font-size: 1rem;
            color: #cbd5e1;
            margin: 0;
        }

        /* 公司实力 */
        .company {
            padding: 100px 0;
            background: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .company::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(59, 130, 246, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: 0;
            animation: gridMove 20s linear infinite;
        }

        .company::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 800px;
            height: 800px;
            transform: translate(-50%, -50%) scale(0.8);
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            z-index: 0;
            filter: blur(80px);
            animation: pulse 4s ease-in-out infinite;
        }

        .company .container {
            position: relative;
            z-index: 1;
        }

        .company h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .company-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .company-item {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px 20px;
            border-radius: 16px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .company-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.5);
            background: rgba(255, 255, 255, 1);
        }

        .company-item:nth-child(1) {
            animation-delay: 0.1s;
        }

        .company-item:nth-child(2) {
            animation-delay: 0.2s;
        }

        .company-item:nth-child(3) {
            animation-delay: 0.3s;
        }

        .company-item:nth-child(4) {
            animation-delay: 0.4s;
        }

        .company-item i {
            font-size: 3rem;
            color: #3b82f6;
            margin-bottom: 20px;
            text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        }

        .company-item h3 {
            font-size: 2.5rem;
            color: #1e293b;
            margin-bottom: 10px;
            font-weight: bold;
        }

        .company-item p {
            font-size: 1.2rem;
            color: #475569;
        }

        /* 联系方式 */
        .contact {
            padding: 100px 0;
            background: #f8fafc;
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%), radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
            z-index: 0;
        }

        .contact .container {
            position: relative;
            z-index: 1;
        }

        .contact h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 30px;
            color: #3b82f6;
        }

        .contact-info p {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: #475569;
            display: flex;
            align-items: center;
        }

        .contact-info p i {
            margin-right: 15px;
            color: #3b82f6;
            font-size: 1.5rem;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid rgba(59, 130, 246, 0.3);
            border-radius: 8px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.8);
            color: #1e293b;
            transition: all 0.3s ease;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
            background: rgba(255, 255, 255, 1);
        }

        .contact-form button {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
            width: 100%;
        }

        .contact-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
        }

        .contact-form button:active {
            transform: translateY(0);
        }

        /* 常见问题解答 */
        .faq {
            padding: 100px 0;
            background: #ffffff;
        }

        .faq h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            margin-bottom: 20px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            backdrop-filter: blur(10px);
        }

        .faq-item:nth-child(1) {
            animation-delay: 0.1s;
        }

        .faq-item:nth-child(2) {
            animation-delay: 0.2s;
        }

        .faq-item:nth-child(3) {
            animation-delay: 0.3s;
        }

        .faq-item:nth-child(4) {
            animation-delay: 0.4s;
        }

        .faq-item:nth-child(5) {
            animation-delay: 0.5s;
        }

        .faq-item:nth-child(6) {
            animation-delay: 0.6s;
        }

        .faq-question {
            padding: 20px 30px;
            background: transparent;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
            font-weight: bold;
            color: #1e293b;
            font-size: 1.1rem;
        }

        .faq-question:hover {
            background: rgba(59, 130, 246, 0.1);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.8rem;
            color: #3b82f6;
            transition: all 0.3s ease;
            font-weight: bold;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
            text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
        }

        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            background: transparent;
            color: #475569;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            padding: 20px 30px;
            max-height: 300px;
        }

        .faq-item.active {
            border-color: rgba(59, 130, 246, 0.5);
            box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
        }

        .faq-item.active .faq-question {
            color: #3b82f6;
        }

        /* 页脚 */
        footer {
            background: #f8fafc;
            color: #1e293b;
            padding: 60px 0;
            text-align: center;
            border-top: 1px solid rgba(59, 130, 246, 0.2);
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
        }

        /* 响应式导航栏 */
        @media (max-width: 1024px) {
            .nav-contact {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                transition: left 0.3s ease;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            }

            .nav-links.active {
                left: 0;
            }

            .nav-links li {
                margin: 20px 0;
            }

            .nav-links a {
                font-size: 1.2rem;
            }

            /* 其他响应式样式 */
            .hero h1 {
                font-size: 2rem;
            }

            .features h2,
            .pricing h2,
            .company h2,
            .contact h2 {
                font-size: 2rem;
            }

            .pricing-card.popular {
                transform: none;
            }
        }

        /* 服务支持 */
        .service {
            padding: 100px 0;
            background: #f8fafc;
            position: relative;
            overflow: hidden;
        }

        .service::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
            z-index: 0;
        }

        .service .container {
            position: relative;
            z-index: 1;
        }

        .service h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: #f1f5f9;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 40px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            backdrop-filter: blur(10px);
        }

        .service-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .service-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .service-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        .service-card:nth-child(4) {
            animation-delay: 0.4s;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.5);
            background: rgba(255, 255, 255, 1);
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: #3b82f6;
        }

        .service-card i {
            font-size: 4rem;
            color: #3b82f6;
            margin-bottom: 20px;
            text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        }

        .service-card p {
            color: #475569;
        }

        /* 标题样式 */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 3.5rem;
            letter-spacing: -0.025em;
        }

        h2 {
            font-size: 2.75rem;
            letter-spacing: -0.025em;
        }

        h3 {
            font-size: 2rem;
            letter-spacing: -0.025em;
        }

        h4 {
            font-size: 1.5rem;
        }

        h5 {
            font-size: 1.25rem;
        }

        h6 {
            font-size: 1rem;
        }

        /* 段落样式 */
        p {
            margin-bottom: 1.5rem;
            color: #475569;
        }

        /* 滚动时导航栏效果 */
        .navbar.scrolled {
            padding: 10px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }