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

        html, body {
            height: 100%;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* 导航栏样式 */
        .uajp-navbar {
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .uajp-navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .uajp-logo-section {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: bold;
            color: #0066cc;
        }

        .uajp-logo-section img {
            height: 45px;
            margin-right: 12px;
        }

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

        .uajp-nav-link {
            font-size: 15px;
            color: #555;
            transition: color 0.3s ease;
            font-weight: 500;
        }

        .uajp-nav-link:hover {
            color: #0066cc;
        }

        /* 主容器 */
        .uajp-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部横幅 */
        .uajp-hero-section {
            background: linear-gradient(135deg, #0066cc 0%, #004a99 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            margin-top: 0;
        }

        .uajp-hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .uajp-hero-subtitle {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.95;
            line-height: 1.5;
        }

        .uajp-hero-features {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .uajp-feature-badge {
            background-color: rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
        }

        /* 下载按钮区域 */
        .uajp-download-section {
            background-color: #f8f9fa;
            padding: 50px 20px;
            margin-top: 0;
        }

        .uajp-download-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .uajp-download-title {
            font-size: 32px;
            font-weight: bold;
            text-align: center;
            margin-bottom: 10px;
            color: #1a1a1a;
        }

        .uajp-download-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 40px;
            font-size: 16px;
        }

        .uajp-download-buttons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .uajp-download-btn {
            background: linear-gradient(135deg, #0066cc 0%, #004a99 100%);
            color: white;
            padding: 25px 30px;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
        }

        .uajp-download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
        }

        .uajp-btn-platform {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 8px;
        }

        .uajp-btn-version {
            font-size: 13px;
            opacity: 0.9;
            margin-bottom: 12px;
        }

        .uajp-btn-size {
            font-size: 12px;
            opacity: 0.8;
        }

        /* 系统要求 */
        .uajp-requirements {
            background-color: white;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 40px;
        }

        .uajp-req-title {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #1a1a1a;
        }

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

        .uajp-req-item {
            padding: 15px;
            background-color: #f5f5f5;
            border-radius: 6px;
        }

        .uajp-req-label {
            font-weight: bold;
            color: #0066cc;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .uajp-req-value {
            color: #666;
            font-size: 14px;
        }

        /* 主内容区 */
        .uajp-main-content {
            padding: 50px 20px;
            background-color: white;
        }

        .uajp-content-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .uajp-section {
            margin-bottom: 50px;
        }

        .uajp-section-title {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #1a1a1a;
            padding-bottom: 12px;
            border-bottom: 3px solid #0066cc;
            display: inline-block;
        }

        .uajp-section-content {
            color: #555;
            line-height: 1.8;
            font-size: 16px;
        }

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

        .uajp-feature-item {
            padding: 12px 0;
            padding-left: 30px;
            position: relative;
            color: #555;
        }

        .uajp-feature-item:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #0066cc;
            font-weight: bold;
            font-size: 18px;
        }

        .uajp-highlight-box {
            background-color: #f0f7ff;
            border-left: 4px solid #0066cc;
            padding: 20px;
            margin: 20px 0;
            border-radius: 4px;
        }

        .uajp-highlight-title {
            font-weight: bold;
            color: #0066cc;
            margin-bottom: 8px;
        }

        /* CTA区域 */
        .uajp-cta-section {
            background: linear-gradient(135deg, #0066cc 0%, #004a99 100%);
            color: white;
            padding: 50px 20px;
            text-align: center;
            margin-top: 40px;
        }

        .uajp-cta-title {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .uajp-cta-description {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .uajp-cta-button {
            background-color: white;
            color: #0066cc;
            padding: 16px 40px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: inline-block;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .uajp-cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
        }

        /* 页脚 */
        .uajp-footer {
            background-color: #1a1a1a;
            color: #999;
            padding: 40px 20px 20px;
            margin-top: 50px;
        }

        .uajp-footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .uajp-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .uajp-footer-section-title {
            color: white;
            font-weight: bold;
            margin-bottom: 15px;
            font-size: 15px;
        }

        .uajp-footer-link {
            display: block;
            margin-bottom: 10px;
            font-size: 14px;
            color: #999;
            transition: color 0.3s ease;
        }

        .uajp-footer-link:hover {
            color: #0066cc;
        }

        .uajp-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .uajp-navbar-container {
                flex-direction: column;
                height: auto;
                padding: 15px 20px;
            }

            .uajp-nav-menu {
                width: 100%;
                gap: 15px;
                margin-top: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .uajp-hero-title {
                font-size: 32px;
            }

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

            .uajp-download-title {
                font-size: 24px;
            }

            .uajp-section-title {
                font-size: 22px;
            }

            .uajp-cta-title {
                font-size: 24px;
            }

            .uajp-download-buttons {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .uajp-hero-title {
                font-size: 24px;
            }

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

            .uajp-hero-features {
                gap: 10px;
            }

            .uajp-feature-badge {
                font-size: 12px;
                padding: 6px 12px;
            }

            .uajp-nav-menu {
                gap: 10px;
            }

            .uajp-nav-link {
                font-size: 13px;
            }
        }