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

        :root {
            --tech-blue: #0066FF;
            --tech-blue-light: #00A8FF;
            --health-green: #00C896;
            --health-green-light: #52C41A;
            --dark-bg-start: #0a1628;
            --dark-bg-end: #1a2a3a;
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.8);
            --text-muted: rgba(255, 255, 255, 0.6);
            --gradient-tech: linear-gradient(135deg, #0066FF 0%, #00A8FF 100%);
            --gradient-health: linear-gradient(135deg, #00C896 0%, #52C41A 100%);
            --gradient-mixed: linear-gradient(135deg, #0066FF 0%, #00C896 100%);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: linear-gradient(180deg, var(--dark-bg-start) 0%, var(--dark-bg-end) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1rem 2rem;
            background: rgba(10, 22, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 102, 255, 0.2);
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 0.75rem 2rem;
            background: rgba(10, 22, 40, 0.98);
            box-shadow: 0 4px 30px rgba(0, 102, 255, 0.1);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            background: var(--gradient-mixed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--health-green);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-health);
            transition: width 0.3s ease;
        }

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

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-menu-btn span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            transition: all 0.3s ease;
        }

        /* Hero区域 */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        #hero-canvas {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 2rem;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            background: rgba(0, 200, 150, 0.15);
            border: 1px solid rgba(0, 200, 150, 0.3);
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--health-green);
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff 0%, #00A8FF 50%, #00C896 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-slogan {
            font-size: 1.75rem;
            font-weight: 600;
            margin-bottom: 1rem;
            background: var(--gradient-mixed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 0.8s ease 0.4s both;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            animation: fadeInUp 0.8s ease 0.6s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.8s both;
        }

        .btn {
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient-mixed);
            color: white;
            box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 102, 255, 0.5);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounce 2s infinite;
        }

        .scroll-indicator svg {
            width: 32px;
            height: 32px;
            fill: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 6rem 2rem;
            position: relative;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: var(--gradient-mixed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们 */
        .about {
            background: linear-gradient(180deg, var(--dark-bg-end) 0%, var(--dark-bg-start) 100%);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: var(--health-green);
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .about-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .highlight-tag {
            padding: 0.5rem 1rem;
            background: rgba(0, 102, 255, 0.1);
            border: 1px solid rgba(0, 102, 255, 0.3);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--tech-blue-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 200, 150, 0.3);
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient-mixed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* 业务范围 */
        .services {
            background: linear-gradient(180deg, var(--dark-bg-start) 0%, var(--dark-bg-end) 100%);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-mixed);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .service-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 102, 255, 0.3);
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: var(--gradient-mixed);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .service-features {
            list-style: none;
        }

        .service-features li {
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--health-green);
            font-weight: bold;
        }

        /* 核心优势 */
        .advantages {
            background: linear-gradient(180deg, var(--dark-bg-end) 0%, var(--dark-bg-start) 100%);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .advantage-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2.5rem;
            display: flex;
            gap: 1.5rem;
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 200, 150, 0.3);
            transform: translateX(10px);
        }

        .advantage-icon {
            flex-shrink: 0;
            width: 70px;
            height: 70px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 200, 150, 0.2) 100%);
            border: 1px solid rgba(0, 102, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
        }

        .advantage-content h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--health-green);
        }

        .advantage-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* 联系我们 */
        .contact {
            background: linear-gradient(180deg, var(--dark-bg-start) 0%, var(--dark-bg-end) 100%);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: var(--health-green);
        }

        .contact-item {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            align-items: flex-start;
        }

        .contact-item-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(0, 102, 255, 0.1);
            border: 1px solid rgba(0, 102, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .contact-item-content h4 {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }

        .contact-item-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2.5rem;
        }

        .contact-form h3 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: var(--health-green);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--health-green);
            background: rgba(255, 255, 255, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .btn-submit {
            width: 100%;
            padding: 1rem 2rem;
            background: var(--gradient-mixed);
            border: none;
            border-radius: 50px;
            color: white;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 102, 255, 0.4);
        }

        /* 页脚 */
        .footer {
            background: rgba(5, 15, 30, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 3rem 2rem 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient-mixed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--health-green);
        }

        .footer-info {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-copyright a {
            color: var(--text-secondary);
            text-decoration: none;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantages-grid {
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 22, 40, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid rgba(0, 102, 255, 0.2);
            }

            .nav-menu.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .hero-slogan {
                font-size: 1.4rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .section-title {
                font-size: 2rem;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .advantage-card {
                flex-direction: column;
                text-align: center;
            }

            .advantage-icon {
                margin: 0 auto;
            }
        }

        @media (max-width: 480px) {
            .navbar {
                padding: 1rem;
            }

            section {
                padding: 4rem 1.5rem;
            }

            .hero-title {
                font-size: 2rem;
            }

            .stat-card {
                padding: 1.5rem;
            }

            .stat-number {
                font-size: 2rem;
            }

            .service-card,
            .advantage-card,
            .contact-form {
                padding: 1.5rem;
            }
        }