* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }

        /* 导航栏样式 */
        .fv7n6r-navbar {
            background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .fv7n6r-navbar-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 20px;
        }

        .fv7n6r-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: bold;
            color: white;
            text-decoration: none;
            font-size: 18px;
        }

        .fv7n6r-logo img {
            height: 40px;
            width: auto;
        }

        .fv7n6r-nav-menu {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .fv7n6r-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            transition: opacity 0.3s ease;
            font-weight: 500;
        }

        .fv7n6r-nav-link:hover {
            opacity: 0.8;
        }

        /* 头部Hero区 */
        .fv7n6r-hero {
            background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
        }

        .fv7n6r-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .fv7n6r-hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .fv7n6r-hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            font-weight: 300;
        }

        .fv7n6r-cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .fv7n6r-btn-primary {
            background: #fff;
            color: #0088cc;
            padding: 16px 40px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            text-decoration: none;
            display: inline-block;
        }

        .fv7n6r-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .fv7n6r-btn-secondary {
            background: transparent;
            color: #fff;
            padding: 16px 40px;
            border: 2px solid #fff;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .fv7n6r-btn-secondary:hover {
            background: #fff;
            color: #0088cc;
        }

        .fv7n6r-version-info {
            font-size: 13px;
            opacity: 0.85;
            margin-top: 20px;
        }

        /* 主内容区 */
        .fv7n6r-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .fv7n6r-main-content {
            background: white;
            padding: 60px 40px;
            margin: 40px 0;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        h1 {
            font-size: 36px;
            color: #0088cc;
            margin-bottom: 20px;
            font-weight: 700;
        }

        h2 {
            font-size: 26px;
            color: #333;
            margin-top: 40px;
            margin-bottom: 20px;
            font-weight: 600;
            border-bottom: 3px solid #0088cc;
            padding-bottom: 10px;
        }

        h3 {
            font-size: 20px;
            color: #333;
            margin-top: 25px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        p {
            margin-bottom: 15px;
            line-height: 1.8;
            color: #555;
        }

        .fv7n6r-highlight {
            color: #0088cc;
            font-weight: 600;
        }

        .fv7n6r-list {
            list-style: none;
            margin: 20px 0;
        }

        .fv7n6r-list li {
            padding: 12px 0;
            padding-left: 30px;
            position: relative;
            color: #555;
        }

        .fv7n6r-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #0088cc;
            font-weight: bold;
            font-size: 18px;
        }

        /* 下载区域 */
        .fv7n6r-download-section {
            background: linear-gradient(135deg, #f0f8ff 0%, #e6f2ff 100%);
            padding: 40px;
            border-radius: 12px;
            margin: 40px 0;
            border-left: 5px solid #0088cc;
        }

        .fv7n6r-download-title {
            font-size: 24px;
            color: #0088cc;
            margin-bottom: 30px;
            font-weight: 700;
        }

        .fv7n6r-platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-bottom: 30px;
        }

        .fv7n6r-platform-card {
            background: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border-top: 4px solid #0088cc;
        }

        .fv7n6r-platform-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .fv7n6r-platform-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }

        .fv7n6r-platform-name {
            font-size: 18px;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }

        .fv7n6r-platform-info {
            font-size: 13px;
            color: #999;
            margin-bottom: 15px;
        }

        .fv7n6r-btn-download {
            background: #0088cc;
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            text-decoration: none;
            display: inline-block;
        }

        .fv7n6r-btn-download:hover {
            background: #005fa3;
            transform: scale(1.02);
        }

        /* 系统要求表 */
        .fv7n6r-requirements {
            background: white;
            padding: 30px;
            border-radius: 10px;
            margin: 30px 0;
        }

        .fv7n6r-requirements-title {
            font-size: 20px;
            color: #333;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .fv7n6r-requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .fv7n6r-requirement-item {
            background: #f5f5f5;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #0088cc;
        }

        .fv7n6r-requirement-label {
            font-size: 13px;
            color: #999;
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .fv7n6r-requirement-value {
            font-size: 16px;
            color: #333;
            font-weight: 600;
        }

        /* 特性卡片 */
        .fv7n6r-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }

        .fv7n6r-feature-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border-top: 4px solid #0088cc;
        }

        .fv7n6r-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .fv7n6r-feature-icon {
            font-size: 36px;
            margin-bottom: 15px;
        }

        .fv7n6r-feature-title {
            font-size: 18px;
            color: #333;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .fv7n6r-feature-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* FAQ区域 */
        .fv7n6r-faq {
            background: white;
            padding: 40px;
            border-radius: 12px;
            margin: 40px 0;
        }

        .fv7n6r-faq-title {
            font-size: 24px;
            color: #0088cc;
            margin-bottom: 30px;
            font-weight: 700;
        }

        .fv7n6r-faq-item {
            margin-bottom: 20px;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
        }

        .fv7n6r-faq-item:last-child {
            border-bottom: none;
        }

        .fv7n6r-faq-question {
            font-size: 16px;
            color: #333;
            font-weight: 600;
            margin-bottom: 10px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .fv7n6r-faq-answer {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
        }

        /* 页脚 */
        .fv7n6r-footer {
            background: #333;
            color: white;
            padding: 40px 20px;
            margin-top: 60px;
        }

        .fv7n6r-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }

        .fv7n6r-footer-section h4 {
            font-size: 16px;
            margin-bottom: 15px;
            color: #0088cc;
            font-weight: 600;
        }

        .fv7n6r-footer-links {
            list-style: none;
        }

        .fv7n6r-footer-links li {
            margin-bottom: 10px;
        }

        .fv7n6r-footer-links a {
            color: #ccc;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .fv7n6r-footer-links a:hover {
            color: #0088cc;
        }

        .fv7n6r-footer-bottom {
            border-top: 1px solid #555;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #999;
        }

        .fv7n6r-footer-bottom p {
            margin: 5px 0;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .fv7n6r-hero-title {
                font-size: 32px;
            }

            .fv7n6r-hero-subtitle {
                font-size: 16px;
            }

            .fv7n6r-cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .fv7n6r-btn-primary,
            .fv7n6r-btn-secondary {
                width: 100%;
                max-width: 300px;
            }

            .fv7n6r-nav-menu {
                gap: 15px;
                font-size: 12px;
            }

            .fv7n6r-main-content {
                padding: 30px 20px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .fv7n6r-platform-grid {
                grid-template-columns: 1fr;
            }

            .fv7n6r-features {
                grid-template-columns: 1fr;
            }

            .fv7n6r-download-section {
                padding: 25px;
            }
        }

        @media (max-width: 480px) {
            .fv7n6r-navbar-content {
                flex-direction: column;
                gap: 10px;
                padding: 10px;
            }

            .fv7n6r-nav-menu {
                width: 100%;
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px;
            }

            .fv7n6r-hero {
                padding: 40px 15px;
            }

            .fv7n6r-hero-title {
                font-size: 24px;
            }

            .fv7n6r-hero-subtitle {
                font-size: 14px;
            }

            .fv7n6r-main-content {
                padding: 20px 15px;
            }
        }