* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #00D4FF;
            --secondary: #0066FF;
            --dark: #050B14;
            --gray: #8B92A8;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
            background: var(--dark);
            color: #fff;
            line-height: 1.6;
        }
        #matrix-canvas {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            pointer-events: none;
            z-index: -1;
            opacity: 0.12;
        }
        .grid-bg {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: 
                linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
            z-index: -1;
            animation: grid-move 25s linear infinite;
        }
        @keyframes grid-move {
            0% { background-position: 0 0; }
            100% { background-position: 60px 60px; }
        }
        header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            padding: 20px 40px;
            background: rgba(5, 11, 20, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        }
        nav {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo-icon {
            width: 45px; height: 45px;
            background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(0,102,255,0.2));
            border: 2px solid var(--primary);
            border-radius: 12px;
            display: flex; align-items: center; justify-content: center;
            color: var(--primary); font-weight: 700; font-size: 18px;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
            animation: pulse 2s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
            50% { box-shadow: 0 0 35px rgba(0, 212, 255, 0.6); }
        }
        .logo-text { font-size: 24px; font-weight: 700; color: white; }
        .logo-text span { color: var(--primary); }
        .nav-links { display: flex; gap: 50px; list-style: none; }
        .nav-links a {
            text-decoration: none; color: rgba(255,255,255,0.8);
            font-weight: 500; font-size: 15px;
            transition: all 0.3s;
        }
        .nav-links a:hover { color: var(--primary); }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--dark);
            padding: 12px 28px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
        }
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            position: relative;
            z-index: 10;
            overflow: hidden;
        }
        .hero-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }
        .hero-video-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, rgba(5, 11, 20, 0.7), rgba(5, 11, 20, 0.5));
            z-index: -1;
        }
        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.3);
            padding: 8px 20px;
            border-radius: 20px;
            color: var(--primary);
            font-size: 14px;
            margin-bottom: 30px;
        }
        .hero h1 {
            font-size: 64px;
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 24px;
        }
        .hero h1 .gradient {
            background: linear-gradient(135deg, #00D4FF 0%, #0066FF 50%, #00D4AA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 20px;
            color: var(--gray);
            margin-bottom: 40px;
        }
        .hero-buttons { display: flex; gap: 20px; }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--dark);
            padding: 16px 36px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
            transition: all 0.3s ease;
            display: inline-block;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 212, 255, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: white;
            padding: 16px 36px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255,255,255,0.3);
            transition: all 0.3s ease;
            display: inline-block;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.5), inset 0 0 20px rgba(0, 212, 255, 0.1);
            transform: translateY(-3px);
        }
        .tech-orb {
            width: 400px; height: 400px;
            position: relative;
        }
        .orb-ring {
            position: absolute;
            border: 2px solid rgba(0, 212, 255, 0.2);
            border-radius: 50%;
            top: 50%; left: 50%;
            transform: translate(-50%, -50%);
        }
        .orb-ring:nth-child(1) {
            width: 100%; height: 100%;
            animation: rotate 30s linear infinite;
            border-top-color: var(--primary);
        }
        .orb-ring:nth-child(2) {
            width: 75%; height: 75%;
            animation: rotate-reverse 20s linear infinite;
            border-bottom-color: var(--secondary);
        }
        .orb-ring:nth-child(3) {
            width: 50%; height: 50%;
            animation: rotate 15s linear infinite;
            border-left-color: #00D4AA;
        }
        @keyframes rotate {
            from { transform: translate(-50%, -50%) rotate(0deg); }
            to { transform: translate(-50%, -50%) rotate(360deg); }
        }
        @keyframes rotate-reverse {
            from { transform: translate(-50%, -50%) rotate(360deg); }
            to { transform: translate(-50%, -50%) rotate(0deg); }
        }
        .orb-core {
            position: absolute;
            top: 50%; left: 50%;
            transform: translate(-50%, -50%);
            width: 150px; height: 150px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 80px;
            animation: core-pulse 3s ease-in-out infinite;
        }
        @keyframes core-pulse {
            0%, 100% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.3); }
            50% { box-shadow: 0 0 70px rgba(0, 212, 255, 0.5); }
        }
        section {
            padding: 100px 40px;
            position: relative;
            z-index: 10;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-tag {
            display: inline-block;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 20px;
        }
        .section-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .section-desc {
            font-size: 18px;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .solution-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 40px;
            transition: all 0.4s ease;
        }
        .solution-card:hover {
            transform: translateY(-10px);
            border-color: rgba(0, 212, 255, 0.3);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }
        .solution-icon {
            width: 70px; height: 70px;
            background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(0,102,255,0.2));
            border-radius: 20px;
            display: flex; align-items: center; justify-content: center;
            font-size: 32px;
            margin-bottom: 24px;
        }
        .solution-card h3 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .solution-card p {
            color: var(--gray);
            line-height: 1.7;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }
        .case-card {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            background: rgba(255,255,255,0.05);
            aspect-ratio: 16/10;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.4s ease;
        }
        .case-card {
            position: relative;
            overflow: hidden;
        }
        .case-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 212, 255, 0.4);
        }
        .case-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 1;
            z-index: 1;
        }
        .case-image {
            display: none;
        }
        .case-content {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            padding: 30px;
            background: linear-gradient(to top, rgba(5, 11, 20, 0.98), transparent);
        }
        .case-tag {
            display: inline-block;
            position: relative;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
            letter-spacing: 0.5px;
            z-index: 1;
        }
        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; }
            .hero h1 { font-size: 48px; }
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .tech-orb { width: 300px; height: 300px; }
        }
        /* News Cards */
        .news-card:hover {
            transform: translateY(-10px);
            border-color: rgba(0, 212, 255, 0.3);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        /* Contact Grid */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* Process Steps */
        .process-steps {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            max-width: 1000px;
            margin: 0 auto;
        }
        .process-step {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            color: var(--gray);
            font-size: 13px;
        }
        
        /* Footer Grid */
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 50px;
        }
        @media (max-width: 1024px) {
            .news-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            /* 导航栏移动端适配 */
            header { padding: 15px 20px; }
            .logo-text { font-size: 18px; }
            .logo-icon { width: 38px; height: 38px; font-size: 14px; }
            
            /* 移动端导航链接默认隐藏，展开时显示 */
            .nav-links {
                display: none;
            }
            .nav-links.mobile-active {
                display: flex !important;
            }
            
            /* 英雄区域移动端适配 */
            .hero { padding: 100px 20px 40px; min-height: auto; }
            .hero-badge { margin-top: 20px; }
            .hero h1 { font-size: 28px; line-height: 1.3; }
            .hero-desc { font-size: 14px; }
            .hero-stats { flex-wrap: wrap; gap: 20px; }
            .hero-stat { min-width: calc(50% - 10px); }
            .hero-stat .number { font-size: 32px; }
            
            /* 解决方案移动端适配 */
            .solutions-grid { grid-template-columns: 1fr; gap: 20px; }
            .solution-card { padding: 25px; }
            
            /* 案例展示移动端适配 */
            .cases-grid { grid-template-columns: 1fr; }
            .case-card { aspect-ratio: 16/9; }
            
            /* 新闻区域移动端适配 */
            .news-grid { grid-template-columns: 1fr !important; gap: 20px !important; }
            .news-card { margin: 0; }
            
            /* 通用容器移动端适配 */
            .container { padding: 0 15px; }
            section { padding: 40px 0; }
            .section-title { font-size: 24px; }
            .section-desc { font-size: 14px; }
            
            /* 页脚移动端适配 */
            footer { padding: 30px 15px 20px !important; }
            footer .container { padding: 0 !important; }
            
            /* 页脚网格：使用flex布局 */
            .footer-grid { 
                display: flex !important;
                flex-wrap: wrap !important;
                justify-content: space-between !important;
                gap: 20px 0 !important;
                margin-bottom: 25px !important;
            }
            
            /* Logo区域 - 占满整行 */
            .footer-grid > div:first-child {
                width: 100% !important;
                text-align: center !important;
                flex-basis: 100% !important;
            }
            .footer-grid > div:first-child a {
                margin-bottom: 10px !important;
            }
            .footer-grid > div:first-child img {
                height: 36px !important;
            }
            .footer-grid > div:first-child p {
                font-size: 12px !important;
                line-height: 1.6 !important;
            }
            
            /* 三列链接区域 - 强制横向排列 */
            .footer-grid > div:nth-child(2),
            .footer-grid > div:nth-child(3),
            .footer-grid > div:nth-child(4) {
                width: 33.33% !important;
                flex: 0 0 33.33% !important;
                text-align: center !important;
            }
            
            /* 标题样式 */
            .footer-grid h4 {
                font-size: 13px !important;
                margin-bottom: 10px !important;
                color: var(--primary) !important;
                font-weight: 600 !important;
            }
            
            /* 列表样式 */
            .footer-grid ul {
                list-style: none !important;
                padding: 0 !important;
                margin: 0 !important;
            }
            .footer-grid ul li {
                margin-bottom: 6px !important;
            }
            .footer-grid ul li a {
                font-size: 11px !important;
                color: var(--gray) !important;
                text-decoration: none !important;
            }
            
            /* 版权信息 */
            footer > .container > div:last-child {
                flex-direction: column !important;
                gap: 8px !important;
                text-align: center !important;
                font-size: 12px !important;
                padding-top: 20px !important;
            }
            
            /* 联系表单移动端适配 */
            .contact-grid { grid-template-columns: 1fr !important; gap: 30px !important; }
            .contact-grid > div:first-child { order: 2; }
            .contact-grid > div:last-child { order: 1; }
            
            /* 按钮移动端适配 */
            .btn-primary, .btn-outline { padding: 12px 24px; font-size: 14px; }
            
            /* 流程步骤移动端适配 */
            .process-steps { 
                display: grid !important;
                grid-template-columns: repeat(3, 1fr) !important;
                gap: 15px 10px !important;
                max-width: 100% !important;
            }
            .process-step { 
                min-width: auto !important;
                flex: none !important;
                padding: 10px 5px;
            }
            .process-step h4 {
                font-size: 13px !important;
                margin-bottom: 5px !important;
            }
            .process-step p {
                font-size: 11px !important;
            }
            
            /* 技术球体移动端适配 */
            .tech-orb { width: 200px; height: 200px; }
            
            /* 添加汉堡菜单按钮 */
            .mobile-menu-btn {
                display: flex;
                flex-direction: column;
                gap: 5px;
                cursor: pointer;
                padding: 5px;
            }
            .mobile-menu-btn span {
                width: 25px;
                height: 2px;
                background: var(--primary);
                transition: all 0.3s;
            }
        }
        
        /* 超小屏幕适配 */
        @media (max-width: 480px) {
            .hero h1 { font-size: 22px; }
            .hero-stat { min-width: 100%; }
            .hero-stat .number { font-size: 28px; }
            .section-title { font-size: 22px; }
            .solution-card h3 { font-size: 18px; }
            .case-content h3 { 
                font-size: 16px; 
                line-height: 2.2;
                overflow: visible;
                white-space: normal;
                word-wrap: break-word;
                min-height: 36px;
                padding: 6px 0;
            }
            .news-card h3 { font-size: 15px; }
            
            /* 超小屏幕页脚 - 保持横向排列 */
            .footer-grid { 
                gap: 15px 0 !important;
            }
            .footer-grid > div:nth-child(2),
            .footer-grid > div:nth-child(3),
            .footer-grid > div:nth-child(4) {
                width: 33.33% !important;
                flex: 0 0 33.33% !important;
            }
            .footer-grid h4 {
                font-size: 11px !important;
                margin-bottom: 8px !important;
            }
            .footer-grid ul li {
                margin-bottom: 4px !important;
            }
            .footer-grid ul li a {
                font-size: 10px !important;
            }
            
            /* 超小屏幕服务流程 */
            .process-steps {
                grid-template-columns: repeat(2, 1fr) !important;
            }
            footer > div > div:last-child {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }
        
        /* 防止横向滚动 */
        html, body {
            overflow-x: hidden;
            max-width: 100vw;
        }
        
        /* 图片自适应 */
        img {
            max-width: 100%;
            height: auto;
        }
        
        /* 表单元素移动端优化 */
        input, textarea, select, button {
            font-size: 16px; /* 防止iOS缩放 */
            max-width: 100%;
        }
        
        /* 默认隐藏移动端菜单按钮 - 桌面端 */
        @media (min-width: 769px) {
            .mobile-menu-btn { display: none !important; }
        }
        
        /* 移动端菜单样式 */
        @media (max-width: 768px) {
            /* 显示移动端菜单按钮 */
            .mobile-menu-btn {
                display: flex !important;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 5px;
                cursor: pointer;
                padding: 10px;
                z-index: 1001;
                width: 44px;
                height: 44px;
                background: rgba(0, 212, 255, 0.1);
                border: 1px solid rgba(0, 212, 255, 0.3);
                border-radius: 8px;
            }
            .mobile-menu-btn span {
                display: block;
                width: 22px;
                height: 2px;
                background: var(--primary);
                transition: all 0.3s;
                border-radius: 2px;
            }
            
            /* 移动端导航链接样式 */
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: rgba(5, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 0;
                gap: 0;
                border-bottom: 1px solid rgba(0, 212, 255, 0.2);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                z-index: 999;
                display: flex !important;
                list-style: none;
                margin: 0;
            }
            .nav-links.mobile-active {
                transform: translateY(0);
            }
            .nav-links li {
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                margin: 0;
            }
            .nav-links li:last-child {
                border-bottom: none;
            }
            .nav-links a {
                display: block;
                padding: 15px 20px;
                font-size: 16px;
                color: rgba(255,255,255,0.9);
                text-decoration: none;
            }
            .nav-cta {
                display: none;
            }
        }