* {
            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: #f8f9fa;
        }

        /* 导航栏样式 */
        .peqx9z-navbar {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            padding: 1rem 2rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .peqx9z-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .peqx9z-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: white;
            font-weight: bold;
            font-size: 1.5rem;
            text-decoration: none;
        }

        .peqx9z-logo img {
            height: 40px;
            width: 40px;
        }

        .peqx9z-nav-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .peqx9z-nav-link {
            color: white;
            text-decoration: none;
            font-size: 0.95rem;
            transition: opacity 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }

        .peqx9z-nav-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            opacity: 0.9;
        }

        /* 主容器 */
        .peqx9z-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* 英雄部分 */
        .peqx9z-hero {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: 0 0 20px 20px;
        }

        .peqx9z-hero-title {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: bold;
        }

        .peqx9z-hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .peqx9z-hero-desc {
            font-size: 1rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 下载按钮组 */
        .peqx9z-download-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .peqx9z-btn-primary {
            background-color: #ffd500;
            color: #0084ff;
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .peqx9z-btn-primary:hover {
            background-color: #ffed4e;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .peqx9z-btn-secondary {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 1rem 2rem;
            border: 2px solid white;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .peqx9z-btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* 内容区域 */
        .peqx9z-content {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            margin-bottom: 3rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        }

        .peqx9z-section-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: #0084ff;
            border-bottom: 3px solid #0084ff;
            padding-bottom: 0.5rem;
        }

        .peqx9z-section-subtitle {
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: #222;
        }

        .peqx9z-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .peqx9z-download-card {
            background: #f8f9fa;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .peqx9z-download-card:hover {
            border-color: #0084ff;
            box-shadow: 0 4px 15px rgba(0, 132, 255, 0.2);
            transform: translateY(-5px);
        }

        .peqx9z-os-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .peqx9z-card-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #222;
        }

        .peqx9z-card-info {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1rem;
        }

        .peqx9z-btn-download {
            background-color: #0084ff;
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            text-decoration: none;
            display: inline-block;
        }

        .peqx9z-btn-download:hover {
            background-color: #0073e6;
            transform: scale(1.02);
        }

        /* 功能列表 */
        .peqx9z-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .peqx9z-feature-item {
            display: flex;
            gap: 1rem;
            padding: 1.5rem;
            background: #f0f7ff;
            border-radius: 8px;
            border-left: 4px solid #0084ff;
        }

        .peqx9z-feature-icon {
            font-size: 1.5rem;
            min-width: 30px;
            color: #0084ff;
        }

        .peqx9z-feature-content h4 {
            margin-bottom: 0.5rem;
            color: #222;
        }

        .peqx9z-feature-content p {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.5;
        }

        /* 系统要求 */
        .peqx9z-requirements {
            background: #fff8e1;
            border: 1px solid #ffe082;
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
        }

        .peqx9z-requirements h3 {
            color: #f57f17;
            margin-bottom: 1rem;
        }

        .peqx9z-requirements ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .peqx9z-requirements li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #333;
        }

        .peqx9z-requirements li:before {
            content: "✓";
            color: #0084ff;
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* FAQ部分 */
        .peqx9z-faq-item {
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .peqx9z-faq-question {
            background: #f8f9fa;
            padding: 1.5rem;
            cursor: pointer;
            font-weight: bold;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s ease;
        }

        .peqx9z-faq-question:hover {
            background: #e8ecf1;
        }

        .peqx9z-faq-answer {
            padding: 1.5rem;
            color: #666;
            display: none;
        }

        .peqx9z-faq-answer.active {
            display: block;
        }

        .peqx9z-faq-toggle {
            font-size: 1.5rem;
            color: #0084ff;
        }

        /* CTA区域 */
        .peqx9z-cta-section {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            color: white;
            padding: 3rem 2rem;
            border-radius: 12px;
            text-align: center;
            margin: 3rem 0;
        }

        .peqx9z-cta-title {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .peqx9z-cta-desc {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .peqx9z-footer {
            background-color: #222;
            color: white;
            padding: 3rem 2rem;
            text-align: center;
            margin-top: 3rem;
        }

        .peqx9z-footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .peqx9z-footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .peqx9z-footer-link {
            color: #999;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .peqx9z-footer-link:hover {
            color: white;
        }

        .peqx9z-footer-text {
            font-size: 0.9rem;
            color: #666;
            border-top: 1px solid #444;
            padding-top: 1.5rem;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .peqx9z-hero-title {
                font-size: 1.8rem;
            }

            .peqx9z-hero-subtitle {
                font-size: 1rem;
            }

            .peqx9z-nav-menu {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .peqx9z-nav-link {
                padding: 0.3rem 0.5rem;
            }

            .peqx9z-content {
                padding: 1.5rem;
            }

            .peqx9z-download-buttons {
                flex-direction: column;
            }

            .peqx9z-btn-primary,
            .peqx9z-btn-secondary {
                width: 100%;
            }

            .peqx9z-section-title {
                font-size: 1.5rem;
            }

            .peqx9z-cta-title {
                font-size: 1.5rem;
            }

            .peqx9z-footer-links {
                gap: 1rem;
            }
        }

        /* 平滑滚动 */
        html {
            scroll-behavior: smooth;
        }

        /* 文本优化 */
        .peqx9z-text-highlight {
            color: #0084ff;
            font-weight: bold;
        }

        .peqx9z-safe-badge {
            display: inline-block;
            background: #4caf50;
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            margin-left: 0.5rem;
        }