<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        header {
            background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }

        nav {
            display: flex;
            gap: 30px;
        }

        nav a {
            color: white;
            text-decoration: none;
            transition: opacity 0.3s;
        }

        nav a:hover {
            opacity: 0.8;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero {
            background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
            border-radius: 10px;
            margin: 40px 0;
        }

        .hero-content h1 {
            font-size: 48px;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .hero-subtitle {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 15px 40px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
            font-size: 16px;
        }

        .btn-primary {
            background: white;
            color: #FF6B35;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }

        .btn-secondary {
            background: rgba(255,255,255,0.2);
            color: white;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: white;
            color: #FF6B35;
        }

        .advantages {
            margin: 80px 0;
        }

        .advantages h2,
        .features-section h2,
        .stats h2,
        .download-guide h2,
        .faq h2 {
            font-size: 36px;
            margin-bottom: 50px;
            text-align: center;
            color: #FF6B35;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .advantage-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
            transition: all 0.3s;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .icon {
            font-size: 48px;
            margin-bottom: 15px;
        }

        .advantage-card h3 {
            color: #FF6B35;
            margin-bottom: 15px;
            font-size: 20px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .feature-item {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            border-left: 4px solid #FF6B35;
            transition: all 0.3s;
        }

        .feature-item:hover {
            background: #fff3ed;
            transform: translateX(5px);
        }

        .feature-item h3 {
            color: #FF6B35;
            margin-bottom: 10px;
        }

        .stats {
            background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
            color: white;
            padding: 60px 20px;
            border-radius: 10px;
            margin: 60px 0;
        }

        .stats h2 {
            color: white;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .stat-card {
            background: rgba(255,255,255,0.1);
            padding: 30px;
            border-radius: 8px;
            backdrop-filter: blur(10px);
        }

        .stat-number {
            font-size: 36px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 16px;
            opacity: 0.9;
        }

        .download-guide {
            margin: 60px 0;
        }

        .download-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .download-option {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
            border-top: 4px solid #FF6B35;
        }

        .download-option h3 {
            color: #FF6B35;
            margin-bottom: 15px;
            font-size: 22px;
        }

        .faq {
            margin: 60px 0;
        }

        .faq-list {
            display: grid;
            gap: 20px;
        }

        .faq-item {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            border-left: 4px solid #FF6B35;
        }

        .faq-item h3 {
            color: #FF6B35;
            margin-bottom: 10px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .faq-item h3:hover {
            transform: translateX(5px);
        }

        footer {
            background: #2c3e50;
            color: white;
            padding: 40px 20px;
            margin-top: 80px;
            text-align: center;
        }

        footer p {
            margin-bottom: 10px;
        }

        .download-main {
            padding: 40px 0;
        }

        .download-main h1 {
            font-size: 40px;
            color: #FF6B35;
            margin-bottom: 15px;
        }

        .subtitle {
            font-size: 18px;
            color: #666;
            margin-bottom: 40px;
        }

        .download-versions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .version-card {
            background: white;
            padding: 40px 25px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            text-align: center;
            transition: all 0.3s;
            border-top: 5px solid #FF6B35;
        }

        .version-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .os-icon {
            font-size: 64px;
            margin-bottom: 15px;
        }

        .version-card h2 {
            color: #FF6B35;
            margin-bottom: 10px;
        }

        .version-info {
            font-size: 14px;
            color: #666;
            margin-bottom: 5px;
        }

        .file-size, .version-number {
            font-size: 13px;
            color: #999;
            margin-bottom: 5px;
        }

        .tips {
            font-size: 12px;
            color: #999;
            margin-top: 15px;
        }

        .download-instructions {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }

        .download-instructions h2 {
            color: #FF6B35;
            margin-bottom: 20px;
        }

        .download-instructions ol {
            margin-left: 20px;
            line-height: 2;
        }

        .download-instructions li {
            margin-bottom: 15px;
        }

        .system-requirements {
            margin: 40px 0;
        }

        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }

        .requirement {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            border-left: 4px solid #FF6B35;
        }

        .requirement h3 {
            color: #FF6B35;
            margin-bottom: 15px;
        }

        .requirement ul {
            list-style-position: inside;
            line-height: 1.8;
        }

        .requirement li {
            font-size: 14px;
            color: #666;
        }

        .download-help {
            background: #fff3ed;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            border-left: 4px solid #FF6B35;
        }

        .download-help h2 {
            color: #FF6B35;
        }

        .download-help ul {
            margin-left: 20px;
            line-height: 2;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 32px;
            }

            .hero {
                padding: 50px 20px;
            }

            nav {
                display: none;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .download-versions {
                grid-template-columns: 1fr;
            }

            .requirements-grid {
                grid-template-columns: 1fr;
            }

            .comparison-table {
                overflow-x: auto;
            }

            table {
                font-size: 14px;
            }
        }

        /* 特殊页面样式 */
        .features-main h1,
        .download-main h1,
        .about-main h1 {
            font-size: 40px;
            color: #FF6B35;
            margin-bottom: 15px;
        }

        .feature-category {
            margin: 40px 0;
        }

        .feature-category h2 {
            color: #FF6B35;
            margin-bottom: 25px;
            border-bottom: 2px solid #FF6B35;
            padding-bottom: 15px;
        }

        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
        }

        .feature-detail {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            border-left: 4px solid #FF6B35;
        }

        .feature-detail h3 {
            color: #FF6B35;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .comparison-table {
            width: 100%;
            margin-top: 30px;
            border-collapse: collapse;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 8px;
            overflow: hidden;
        }

        table th {
            background: #FF6B35;
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: bold;
        }

        table td {
            padding: 15px;
            border-bottom: 1px solid #eee;
        }

        table tr:last-child td {
            border-bottom: none;
        }

        table tr:hover {
            background: #f8f9fa;
        }

        /* 关于页面 */
        .about-content {
            padding: 40px 0;
        }

        .about-section {
            margin-bottom: 50px;
        }

        .about-section h2 {
            color: #FF6B35;
            margin-bottom: 20px;
            border-bottom: 2px solid #FF6B35;
            padding-bottom: 10px;
        }

        .timeline {
            position: relative;
            padding: 20px 0;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 30px;
            gap: 30px;
        }

        .timeline-date {
            min-width: 100px;
            font-weight: bold;
            color: #FF6B35;
            font-size: 18px;
        }

        .timeline-content {
            flex: 1;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            border-left: 4px solid #FF6B35;
        }

        .timeline-content h3 {
            color: #FF6B35;
            margin-bottom: 10px;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 25px;
        }

        .team-member {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
            border-top: 4px solid #FF6B35;
            transition: all 0.3s;
        }

        .team-member:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .team-member h3 {
            color: #FF6B35;
            margin-bottom: 5px;
        }

        .team-member p {
            font-size: 16px;
            margin: 5px 0;
        }

        .bio {
            font-size: 13px;
            color: #999;
            font-style: italic;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .value-card {
            background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
            color: white;
            padding: 25px;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s;
        }

        .value-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .value-card h3 {
            margin-bottom: 10px;
        }

        .honors {
            list-style-position: inside;
            line-height: 2;
            background: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            border-left: 4px solid #FF6B35;
        }

        .honors li {
            color: #666;
        }

        .about-section ul {
            margin-left: 20px;
            line-height: 2;
        }

        .about-section li {
            color: #666;
            margin-bottom: 10px;
        }
    </style>
</head>
<body>
</body>
</html>
