:root {
            --primary: #00a8ff;
            --primary-dark: #0097e6;
            --secondary: #9c88ff;
            --accent: #00d2d3;
            --dark: #0c0e1d;
            --light: #f5f6fa;
            --gray: #718093;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        a {
            text-decoration: none;
            color: var(--light);
            outline: none;
        }
        
        body {
            font-family: 'Exo 2', sans-serif;
            color: var(--light);
            background-color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
            background: linear-gradient(135deg, #0c0e1d 0%, #1a1e38 100%);
        }
        
        h1, h2, h3, h4 {
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 粒子背景 */
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }
        
        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.5rem 0;
            transition: var(--transition);
            background: rgba(12, 14, 29, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 168, 255, 0.3);
        }
        
        .navbar.scrolled {
            padding: 1rem 0;
            box-shadow: 0 5px 30px rgba(0, 168, 255, 0.2);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        
        .logo i {
            margin-right: 0.5rem;
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2rem;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--light);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        
        .nav-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            box-shadow: 0 0 5px var(--accent);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--light);
            cursor: pointer;
            z-index: 1001;
        }
        
        /* 英雄区域 */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 80px;
            text-align: center;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            z-index: -1;
        }
        
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            padding: 2rem;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(0, 168, 255, 0.5);
        }
        
        .hero p {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            color: var(--light);
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: transparent;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.9rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: var(--transition);
            z-index: -1;
        }
        
        .btn:hover::before {
            width: 100%;
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 168, 255, 0.5);
        }
        
        .btn-secondary {
            margin-left: 15px;
            background: var(--primary);
        }
        
        /* 关于我们 */
        .section {
            padding: 6rem 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--accent);
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 4rem;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--light);
            margin-bottom: 1.5rem;
        }
        
        .about-text p {
            margin-bottom: 1.5rem;
            color: var(--gray);
        }
        
        .about-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            transition: var(--transition);
            border: 1px solid rgba(0, 168, 255, 0.1);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .stat-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: rgba(0, 168, 255, 0.1);
            transition: var(--transition);
            z-index: -1;
        }
        
        .stat-item:hover::before {
            height: 100%;
        }
        
        .stat-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2);
        }
        
        .stat-item i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        
        .stat-item:hover i {
            color: var(--accent);
            transform: translateY(10px);
            text-shadow: 0 0 10px var(--accent);
        }
        
        .stat-item .number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--light);
            display: block;
            transition: var(--transition);
            font-family: 'Orbitron', sans-serif;
        }
        
        .stat-item:hover .number {
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
        }
        
        /* 服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            text-align: center;
            padding: 2.5rem 2rem;
            position: relative;
            z-index: 1;
            border: 1px solid rgba(0, 168, 255, 0.1);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, rgba(0, 168, 255, 0.1), rgba(156, 136, 255, 0.1));
            z-index: -1;
            transition: var(--transition);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 168, 255, 0.3);
        }
        
        .service-card:hover::before {
            height: 100%;
        }
        
        .service-card i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            transition: var(--transition);
        }
        
        .service-card:hover i {
            color: var(--accent);
            transform: scale(1.2);
            text-shadow: 0 0 15px var(--accent);
        }
        
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--light);
            transition: var(--transition);
        }
        
        .service-card:hover h3 {
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
        }
        
        .service-card p {
            color: var(--gray);
            transition: var(--transition);
        }
        
        .service-card:hover p {
            color: var(--light);
        }
        
        /* 案例展示 */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .portfolio-item {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 300px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transform-style: preserve-3d;
            perspective: 1000px;
        }
        
        .portfolio-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(12, 14, 29, 0.9);
            padding: 1.5rem;
            transform: translateY(100%);
            transition: var(--transition);
            border-top: 2px solid var(--primary);
        }
        
        .portfolio-item:hover .portfolio-overlay {
            transform: translateY(0);
        }
        
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }
        
        .portfolio-overlay h3 {
            color: var(--light);
            margin-bottom: 0.5rem;
        }
        
        .portfolio-overlay p {
            color: var(--gray);
        }
        
        /* 联系 */
        .contact {
            position: relative;
        }
        
        .contact .section-title h2 {
            color: var(--primary);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .contact-info .jzhong{width: 100%; text-align: center;}
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid rgba(0, 168, 255, 0.1);
            transition: var(--transition);
        }
        
        .contact-item:hover {
            background: rgba(0, 168, 255, 0.1);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 168, 255, 0.2);
        }
        
        .contact-item i {
            font-size: 1.5rem;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
        }
       
        
        .contact-form {
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid rgba(0, 168, 255, 0.1);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: none;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 5px;
            color: white;
            font-family: inherit;
            transition: var(--transition);
            border: 1px solid rgba(0, 168, 255, 0.1);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(0, 168, 255, 0.3);
        }
        
        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        /* 页脚 */
        .footer {
            background: rgba(5, 7, 18, 0.9);
            padding: 3rem 0;
            text-align: center;
            position: relative;
            border-top: 1px solid rgba(0, 168, 255, 0.2);
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }
        
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: inline-block;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            list-style: none;
            margin: 2rem 0;
            gap: 1.5rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        
        .footer-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.07);
            color: white;
            border-radius: 50%;
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 168, 255, 0.1);
        }
        
        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
        }
        
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                height: 100vh;
                background: rgba(12, 14, 29, 0.95);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                padding: 2rem 0;
                transition: var(--transition);
                z-index: 1000;
                border-left: 1px solid rgba(0, 168, 255, 0.2);
            }
            
            .nav-links.active {
                right: 0;
            }
            
            .nav-links li {
                margin: 1.5rem 0;
            }
            
            .nav-links a {
                font-size: 1.2rem;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .btn {
                display: block;
                width: max-content;
                margin: 0 auto 1rem;
            }
            
            .btn-secondary {
                margin-left: auto;
                margin-right: auto;
            }
        }
        
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .section {
                padding: 4rem 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate {
            opacity: 0;
            transform: translateY(30px);
        }
        
        .animate.active {
            animation: fadeInUp 0.8s ease forwards;
        }
        
        .delay-1 {
            animation-delay: 0.1s;
        }
        
        .delay-2 {
            animation-delay: 0.2s;
        }
        
        .delay-3 {
            animation-delay: 0.3s;
        }
        
        /* 科幻元素 */
        .grid-lines {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 168, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 168, 255, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -2;
            pointer-events: none;
        }
        
        .floating-cube {
            position: absolute;
            width: 20px;
            height: 20px;
            background: transparent;
            border: 2px solid var(--primary);
            box-shadow: 0 0 15px var(--primary);
            animation: float 8s ease-in-out infinite;
            z-index: -1;
        }
        
        .cube-1 {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }
        
        .cube-2 {
            top: 60%;
            left: 85%;
            animation-delay: -2s;
        }
        
        .cube-3 {
            top: 80%;
            left: 15%;
            animation-delay: -4s;
        }
        
        .cube-4 {
            top: 40%;
            left: 90%;
            animation-delay: -6s;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }