* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.6;
            background-image: linear-gradient(rgba(10, 14, 23, 0.95), rgba(10, 14, 23, 0.95)), 
                            url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAwIiBoZWlnaHQ9IjYwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48ZGVmcz48cGF0dGVybiBpZD0iZ3JpZCIgd2lkdGg9IjQwIiBoZWlnaHQ9IjQwIiBwYXR0ZXJuVW5pdHM9InVzZXJTcGFjZU9uVXNlIj48cGF0aCBkPSJNIDQwIDAgTCAwIDAgMCA0MCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJyZ2JhKDI1NSwgMjU1LCAyNTUsIDAuMDUpIiBzdHJva2Utd2lkdGg9IjEiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjZ3JpZCkiLz48L3N2Zz4=');
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            padding: 25px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(0, 150, 255, 0.2);
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-icon {
            color: #0096ff;
            font-size: 32px;
        }
        
        .logo-text {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(90deg, #0096ff, #00d4ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        nav a {
            color: #b0b0b0;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s;
        }
        
        nav a:hover {
            color: #0096ff;
        }
        
        /* 主要内容区 */
        .hero {
            display: flex;
            align-items: center;
            min-height: calc(100vh - 120px);
            padding: 60px 0;
            gap: 50px;
        }
        
        .hero-content {
            flex: 1;
        }
        
        .hero-image {
            flex: 1;
            text-align: center;
        }
        
        .hero-image img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 150, 255, 0.2);
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }
        
        h1 {
            font-size: 48px;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(90deg, #0096ff, #00d4ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .subtitle {
            font-size: 20px;
            margin-bottom: 30px;
            color: #b0b0b0;
        }
        
        .features {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
        }
        
        .feature {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 150, 255, 0.1);
            padding: 12px 20px;
            border-radius: 50px;
            font-size: 14px;
        }
        
        .feature i {
            color: #00d4ff;
        }
        
        /* 下载按钮 */
        .download-buttons {
            display: flex;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .btn {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 30px;
            background: linear-gradient(90deg, #0096ff, #00a8ff);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0, 150, 255, 0.4);
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 150, 255, 0.6);
        }
        
        .btn-android {
            background: linear-gradient(90deg, #00c853, #00e676);
            box-shadow: 0 5px 15px rgba(0, 200, 83, 0.4);
        }
        
        .btn-android:hover {
            box-shadow: 0 10px 25px rgba(0, 200, 83, 0.6);
        }
        
        .btn i {
            font-size: 24px;
        }
        
        .qr-code {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 15px;
            max-width: 400px;
        }
        
        .qr-code img {
            width: 120px;
            height: 120px;
            border-radius: 10px;
        }
        
        .qr-text h3 {
            margin-bottom: 10px;
            color: #00d4ff;
        }
        
        /* 信任元素 */
        .trust-elements {
            display: flex;
            justify-content: space-between;
            margin-top: 60px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .trust-item {
            text-align: center;
            flex: 1;
            min-width: 200px;
        }
        
        .trust-number {
            font-size: 36px;
            font-weight: 700;
            color: #00d4ff;
            margin-bottom: 10px;
        }
        
        /* 用户评价 */
        .testimonials {
            margin-top: 80px;
            padding: 50px 0;
            border-top: 1px solid rgba(0, 150, 255, 0.2);
        }
        
        .testimonials h2 {
            text-align: center;
            margin-bottom: 40px;
            font-size: 36px;
            color: #00d4ff;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 15px;
            border-left: 4px solid #0096ff;
        }
        
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }
        
        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0096ff, #00d4ff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        .stars {
            color: #ffc107;
            margin-top: 5px;
        }
        
        /* 页脚 */
        footer {
            margin-top: 80px;
            padding: 40px 0;
            border-top: 1px solid rgba(0, 150, 255, 0.2);
            text-align: center;
            color: #888;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #0096ff;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero {
                flex-direction: column;
                text-align: center;
            }
            
            .features {
                justify-content: center;
            }
            
            .download-buttons {
                justify-content: center;
            }
            
            .qr-code {
                margin: 0 auto;
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 36px;
            }
            
            .subtitle {
                font-size: 18px;
            }
            
            nav ul {
                gap: 15px;
            }
            
            .btn {
                padding: 15px 25px;
                font-size: 16px;
            }
            
            .trust-elements {
                flex-direction: column;
                align-items: center;
            }
        }
        
        @media (max-width: 576px) {
            .logo-text {
                font-size: 24px;
            }
            
            nav ul {
                gap: 10px;
                font-size: 14px;
            }
            
            .download-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
        }