* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary-color: #2ecc71;
            --primary-dark: #27ae60;
            --primary-light: #58d68d;
            --accent-color: #3498db;
            --text-dark: #1d1d1f;
            --text-light: #86868b;
            --bg-light: #f5f5f7;
            --bg-white: #ffffff;
            --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex: 1;
        }
        
        /* 头部样式 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(20px);
            color: var(--text-dark);
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo i {
            font-size: 2.2rem;
            color: var(--primary-color);
        }
        
        .logo h1 {
            font-size: 1.6rem;
            font-weight: 600;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        nav a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 20px;
            font-size: 0.95rem;
        }
        
        nav a:hover {
            background-color: rgba(0, 0, 0, 0.05);
        }
        
        /* 横幅区域 */
        .hero-banner {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 150px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: cover;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .hero-content h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .hero-content p {
            font-size: 1.3rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        /* 软件展示区域 */
        .software-showcase {
            padding: 100px 0;
            background-color: var(--bg-white);
        }
        
        .showcase-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        
        .software-image {
            position: relative;
            text-align: center;
        }
        
        .software-img-container {
            position: relative;
            display: inline-block;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
            transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
            max-width: 100%;
        }
        
        .software-img {
            width: 100%;
            display: block;
            transition: var(--transition);
        }
        
        .software-img-container:hover {
            transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
        }
        
        .image-label {
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--bg-white);
            color: var(--text-dark);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: var(--shadow);
            font-size: 0.9rem;
        }
        
        .software-details {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .software-properties {
            background: var(--bg-light);
            padding: 30px;
            border-radius: 18px;
            box-shadow: var(--shadow);
        }
        
        .properties-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        
        .property-item {
            display: flex;
            flex-direction: column;
        }
        
        .property-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        
        .property-value {
            font-size: 1.1rem;
            font-weight: 600;
        }
        
        .download-section {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: var(--bg-white);
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
            max-width: 200px;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(46, 204, 113, 0.4);
        }
        
        .download-note {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        
        /* 特性区域 */
        .features {
            padding: 100px 0;
            background-color: var(--bg-light);
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            font-weight: 700;
            color: var(--text-dark);
        }
        
        .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.2rem;
        }
        
        .features-container {
            position: relative;
            height: 500px;
            overflow: hidden;
        }
        
        .feature-track {
            display: flex;
            position: absolute;
            left: 0;
            transition: transform 0.5s ease;
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            border: 1px solid rgba(0, 0, 0, 0.03);
            position: relative;
            overflow: hidden;
            width: 350px;
            flex-shrink: 0;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }
        
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            transition: var(--transition);
        }
        
        .feature-card:hover .feature-icon {
            transform: rotateY(180deg) scale(1.1);
        }
        
        .feature-icon i {
            font-size: 2.2rem;
            color: var(--bg-white);
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-dark);
            font-weight: 600;
        }
        
        .feature-card p {
            color: var(--text-light);
            line-height: 1.6;
        }
        
        .feature-nav {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 40px;
        }
        
        .nav-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--text-light);
            opacity: 0.3;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .nav-dot.active {
            opacity: 1;
            background-color: var(--primary-color);
            transform: scale(1.2);
        }
        
        /* 底部区域 */
        footer {
            background-color: var(--bg-white);
            color: var(--text-dark);
            padding: 40px 0 20px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .copyright {
            text-align: center;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 968px) {
            .showcase-content {
                grid-template-columns: 1fr;
                gap: 50px;
            }
            
            .software-image {
                order: 1;
            }
            
            .software-details {
                order: 2;
            }
            
            .hero-content h2 {
                font-size: 2.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            
            nav ul {
                gap: 15px;
            }
            
            .hero-content h2 {
                font-size: 2.2rem;
            }
            
            .properties-grid {
                grid-template-columns: 1fr;
            }
            
            .software-showcase {
                padding: 60px 0;
            }
            
            .features-container {
                height: 400px;
            }
        }
        
        /* 动画效果 */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .floating {
            animation: float 5s ease-in-out infinite;
        }
        
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            pointer-events: none;
        }
        
        .particle {
            position: absolute;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }