:root {
            --primary: #00c6ff;
            --primary-dark: #0072ff;
            --secondary: #ff2d75;
            --accent: #6e45e2;
            --dark: #0a0e17;
            --darker: #050a14;
            --light: #f8f9fa;
            --gray: #718096;
            --success: #38a169;
            --danger: #e53e3e;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            background: var(--darker);
            color: #e2e8f0;
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
        }
        
        /* 科技感背景 */
        .tech-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 10% 20%, rgba(6, 45, 99, 0.3) 0%, transparent 30%),
                radial-gradient(circle at 90% 80%, rgba(110, 69, 226, 0.2) 0%, transparent 30%),
                linear-gradient(to bottom, var(--darker), var(--dark));
            z-index: -1;
        }
        
        .grid-lines {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 198, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 198, 255, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -1;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航样式 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(0, 198, 255, 0.1);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 800;
            color: white;
            font-family: 'Orbitron', sans-serif;
            letter-spacing: 1px;
        }
        
        .logo i {
            color: var(--secondary);
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            gap: 30px;
        }
        
        .nav-links a {
            color: #cbd5e0;
            text-decoration: none;
            font-weight: 500;
            font-size: 16px;
            transition: all 0.3s ease;
            position: relative;
            padding: 5px 0;
        }
        
        .nav-links a:hover {
            color: white;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .cta-button {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 5px 15px rgba(0, 198, 255, 0.3);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 198, 255, 0.5);
        }
        
        .download-btn {
            background: linear-gradient(135deg, var(--accent), #8a2be2);
            margin-left: 15px;
        }
        
        /* 英雄区域 */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 650px;
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 25px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 5px 15px rgba(0, 198, 255, 0.2);
            font-family: 'Orbitron', sans-serif;
        }
        
        .hero p {
            font-size: 1.4rem;
            color: #a0aec0;
            margin-bottom: 35px;
            line-height: 1.7;
        }
        
        .hero-highlight {
            color: var(--primary);
            font-weight: 700;
        }
        
        .hero-buttons {
            display: flex;
            gap: 20px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        
        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid var(--primary);
            padding: 12px 30px;
        }
        
        .btn-secondary:hover {
            background: rgba(0, 198, 255, 0.1);
        }
        
        .hero-image {
            position: absolute;
            right: -50px;
            top: 50%;
            transform: translateY(-50%);
            width: 50%;
            max-width: 600px;
            background: rgba(30, 41, 59, 0.3);
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(0, 198, 255, 0.2);
            backdrop-filter: blur(10px);
        }
        
        .code-block {
            background: rgba(10, 20, 40, 0.7);
            border-radius: 15px;
            padding: 25px;
            font-family: 'Courier New', monospace;
            font-size: 16px;
            line-height: 1.8;
            overflow-x: auto;
            position: relative;
            border: 1px solid rgba(0, 198, 255, 0.2);
        }
        
        .code-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 198, 255, 0.05), rgba(110, 69, 226, 0.05));
            border-radius: 15px;
            z-index: -1;
        }
        
        .code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .code-lang {
            color: var(--secondary);
            font-weight: 600;
            font-size: 18px;
        }
        
        .code-copy {
            background: rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            border: none;
            padding: 8px 20px;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .code-copy:hover {
            background: rgba(255, 255, 255, 0.2);
            color: white;
        }
        
        .code-comment {
            color: #5d7c9a;
        }
        
        .code-keyword {
            color: #c792ea;
        }
        
        .code-function {
            color: #82aaff;
        }
        
        .code-string {
            color: #c3e88d;
        }
        
        .code-var {
            color: #f78c6c;
        }
        
        /* 功能区样式 */
        .section {
            padding: 120px 0;
            scroll-margin-top: 80px;
            position: relative;
        }
        
        .section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(10, 14, 23, 0.8), rgba(5, 10, 20, 0.9));
            z-index: -1;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-family: 'Orbitron', sans-serif;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        
        .section-title p {
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.3rem;
            color: #a0aec0;
            line-height: 1.7;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
        }
        
        .feature-card {
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            padding: 40px 30px;
            transition: all 0.4s ease;
            border: 1px solid rgba(0, 198, 255, 0.1);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }
        
        /* 移除上下抖动动画 */
        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--accent));
        }
        
        .feature-icon {
            font-size: 50px;
            color: var(--primary);
            margin-bottom: 25px;
            text-align: center;
        }
        
        .feature-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: white;
            text-align: center;
        }
        
        .feature-card p {
            color: #a0aec0;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.8;
        }
        
        .comparison {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }
        
        .comparison-card {
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 198, 255, 0.1);
        }
        
        .comparison-card.best {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        
        .comparison-card h3 {
            font-size: 2rem;
            margin-bottom: 25px;
            color: white;
        }
        
        .price {
            font-size: 3.5rem;
            font-weight: 800;
            margin: 25px 0;
            color: var(--secondary);
            font-family: 'Orbitron', sans-serif;
        }
        
        .price-sub {
            font-size: 1.2rem;
            color: #a0aec0;
            margin-bottom: 30px;
        }
        
        .comparison-list {
            text-align: left;
            margin: 30px 0;
        }
        
        .comparison-list li {
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            padding: 10px;
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.2);
        }
        
        .comparison-list li i {
            margin-right: 15px;
            font-size: 1.2rem;
            min-width: 25px;
            text-align: center;
        }
        
        .comparison-list li .fa-check-circle {
            color: var(--success);
        }
        
        .comparison-list li .fa-times-circle {
            color: var(--danger);
        }
        
        /* 流程图样式 */
        .process {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 60px;
            position: relative;
            gap: 30px;
        }
        
        .step {
            text-align: center;
            padding: 30px;
            position: relative;
            z-index: 2;
            max-width: 250px;
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            border: 1px solid rgba(0, 198, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        
        /* 移除上下抖动动画 */
        .step:hover {
            border-color: var(--primary);
        }
        
        .step-number {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 700;
            margin: 0 auto 20px;
            color: white;
            font-family: 'Orbitron', sans-serif;
            box-shadow: 0 5px 15px rgba(0, 198, 255, 0.3);
        }
        
        .step h4 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: white;
        }
        
        .step p {
            color: #a0aec0;
            line-height: 1.7;
        }
        
        /* 下载区域 */
        .download-section {
            text-align: center;
            padding: 60px;
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            margin: 60px 0;
            border: 1px solid rgba(0, 198, 255, 0.1);
            backdrop-filter: blur(10px);
        }
        
        .download-section h3 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: white;
            font-family: 'Orbitron', sans-serif;
        }
        
        .download-section p {
            font-size: 1.3rem;
            color: #a0aec0;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        
        /* 关于我们 - 重新设计 */
        .about-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-top: 40px;
        }
        
        .about-card {
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            padding: 35px;
            border: 1px solid rgba(0, 198, 255, 0.1);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }
        
        .about-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--accent));
        }
        
        .about-card h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .about-card h3 i {
            font-size: 1.5rem;
        }
        
        .about-card p {
            color: #a0aec0;
            line-height: 1.8;
            margin-bottom: 15px;
        }
        
        .about-card ul {
            padding-left: 25px;
            margin-top: 20px;
        }
        
        .about-card ul li {
            margin-bottom: 15px;
            color: #a0aec0;
            line-height: 1.7;
        }
        
        .about-card ul li strong {
            color: #e2e8f0;
            font-weight: 500;
        }
        
        .about-card .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: 'Orbitron', sans-serif;
        }
        
        .stat-label {
            font-size: 1rem;
            color: #a0aec0;
        }
        
        .tech-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .tech-item {
            background: rgba(0, 0, 0, 0.2);
            padding: 15px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .tech-icon {
            font-size: 24px;
            color: var(--primary);
        }
        
        /* 页脚样式 */
        .footer {
            background: rgba(10, 14, 23, 0.95);
            padding: 80px 0 40px;
            border-top: 1px solid rgba(0, 198, 255, 0.1);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
            margin-bottom: 50px;
        }
        
        .footer-column {
            background: rgba(20, 30, 50, 0.3);
            border-radius: 15px;
            padding: 30px;
            border: 1px solid rgba(0, 198, 255, 0.1);
            backdrop-filter: blur(10px);
        }
        
        .footer-column h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            color: white;
            font-family: 'Orbitron', sans-serif;
            letter-spacing: 1px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        
        .footer-links {
            list-style: none;
            margin-top: 20px;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #a0aec0;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 8px 0;
            font-size: 1.1rem;
        }
        
        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        
        .contact-info {
            color: #a0aec0;
            line-height: 1.8;
        }
        
        .contact-info p {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .contact-info i {
            width: 25px;
            margin-right: 15px;
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .company-info {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(0, 198, 255, 0.1);
            color: #718096;
            font-size: 1rem;
        }
        
        /* 授权方案卡片样式 */
        .pricing-card {
            background: rgba(20, 30, 50, 0.5);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 198, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        /* 移除上下抖动动画 */
        .pricing-card:hover {
            border-color: var(--primary);
        }
        
        .pricing-card.best {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        
        .pricing-card .price {
            font-size: 2.8rem;
            font-weight: 800;
            margin: 20px 0;
            color: var(--secondary);
            font-family: 'Orbitron', sans-serif;
        }
        
        .pricing-card .price-sub {
            font-size: 1.1rem;
            color: #a0aec0;
            margin-bottom: 20px;
        }
        
        .pricing-card .price-description {
            font-size: 1rem;
            color: #a0aec0;
            margin-bottom: 25px;
            min-height: 60px;
        }
        
        .pricing-features {
            text-align: left;
            margin: 25px 0;
        }
        
        .pricing-features li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            padding: 8px;
            border-radius: 6px;
            background: rgba(0, 0, 0, 0.2);
        }
        
        .pricing-features li i {
            margin-right: 12px;
            min-width: 25px;
            text-align: center;
        }
        
        .pricing-features li .fa-check-circle {
            color: var(--success);
        }
        
        .pricing-features li .fa-times-circle {
            color: var(--danger);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero {
                flex-direction: column;
                text-align: center;
                padding-top: 120px;
            }
            
            .hero-content {
                margin-bottom: 60px;
            }
            
            .hero-image {
                position: relative;
                width: 100%;
                right: 0;
                top: 0;
                transform: none;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .process {
                flex-wrap: wrap;
            }
            
            .section-title h2 {
                font-size: 2.3rem;
            }
            
            .about-grid {
                grid-template-columns: 1fr;
            }
            
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section {
                padding: 80px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .download-btn {
                margin-left: 0;
                margin-top: 15px;
            }
            
            .tech-list {
                grid-template-columns: 1fr;
            }
            
            .about-card .stats {
                flex-wrap: wrap;
            }
            
            .stat-item {
                width: 50%;
                margin-bottom: 20px;
            }
        }