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

        html, body {
            height: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* 导航栏样式 */
        .uajp-navbar {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

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

        .uajp-logo {
            font-size: 24px;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .uajp-nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

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

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

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

        /* 顶部横幅 */
        .uajp-banner {
            background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
        }

        .uajp-banner-content h1 {
            font-size: 48px;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .uajp-banner-content p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .uajp-banner-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 按钮样式 */
        .uajp-btn {
            padding: 14px 40px;
            font-size: 16px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
        }

        .uajp-btn-primary {
            background-color: #ff6b35;
            color: white;
        }

        .uajp-btn-primary:hover {
            background-color: #e55a25;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
        }

        .uajp-btn-secondary {
            background-color: white;
            color: #0066cc;
            border: 2px solid white;
        }

        .uajp-btn-secondary:hover {
            background-color: #f0f0f0;
            transform: translateY(-2px);
        }

        /* 主内容区 */
        .uajp-main {
            padding: 60px 20px;
            background-color: white;
        }

        .uajp-section {
            margin-bottom: 60px;
        }

        .uajp-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #0066cc;
            border-bottom: 3px solid #ff6b35;
            padding-bottom: 15px;
        }

        .uajp-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .uajp-feature-card {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid #ff6b35;
            transition: all 0.3s ease;
        }

        .uajp-feature-card:hover {
            box-shadow: 0 10px 30px rgba(0, 102, 204, 0.1);
            transform: translateY(-5px);
        }

        .uajp-feature-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }

        .uajp-feature-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #333;
        }

        .uajp-feature-card p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* 系统要求 */
        .uajp-requirements {
            background: linear-gradient(135deg, #f8f9fa 0%, #e8eef5 100%);
            padding: 40px;
            border-radius: 10px;
            margin-bottom: 40px;
        }

        .uajp-requirements h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: #0066cc;
        }

        .uajp-requirements-list {
            list-style: none;
        }

        .uajp-requirements-list li {
            padding: 12px 0;
            border-bottom: 1px solid #ddd;
            font-size: 15px;
            color: #555;
        }

        .uajp-requirements-list li:last-child {
            border-bottom: none;
        }

        .uajp-requirements-list li:before {
            content: "✓ ";
            color: #ff6b35;
            font-weight: bold;
            margin-right: 10px;
        }

        /* 下载步骤 */
        .uajp-steps {
            margin-bottom: 40px;
        }

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

        .uajp-step {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            color: white;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            position: relative;
        }

        .uajp-step-number {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 15px;
            opacity: 0.3;
        }

        .uajp-step h4 {
            font-size: 16px;
            margin-bottom: 10px;
        }

        .uajp-step p {
            font-size: 13px;
            opacity: 0.9;
        }

        /* 常见问题 */
        .uajp-faq {
            background: #f8f9fa;
            padding: 40px;
            border-radius: 10px;
            margin-bottom: 40px;
        }

        .uajp-faq-item {
            margin-bottom: 20px;
        }

        .uajp-faq-question {
            background: white;
            padding: 18px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            color: #0066cc;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .uajp-faq-question:hover {
            background: #f0f0f0;
        }

        .uajp-faq-question.active {
            background: #0066cc;
            color: white;
        }

        .uajp-faq-answer {
            background: white;
            padding: 18px;
            border-radius: 6px;
            margin-top: 8px;
            color: #666;
            display: none;
            font-size: 14px;
            line-height: 1.8;
        }

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

        /* CTA区域 */
        .uajp-cta-section {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 10px;
        }

        .uajp-cta-title {
            font-size: 36px;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .uajp-cta-desc {
            font-size: 16px;
            margin-bottom: 30px;
            opacity: 0.95;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 安全认证 */
        .uajp-security {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
            text-align: center;
        }

        .uajp-security-item {
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }

        .uajp-security-icon {
            font-size: 36px;
            margin-bottom: 10px;
        }

        .uajp-security-text {
            font-size: 13px;
            color: #666;
        }

        /* 页脚 */
        .uajp-footer {
            background: #2c3e50;
            color: white;
            padding: 40px 20px;
            margin-top: 60px;
        }

        .uajp-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .uajp-footer-section h4 {
            margin-bottom: 15px;
            font-size: 16px;
        }

        .uajp-footer-section ul {
            list-style: none;
        }

        .uajp-footer-section ul li {
            margin-bottom: 10px;
        }

        .uajp-footer-section a {
            color: #bbb;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s ease;
        }

        .uajp-footer-section a:hover {
            color: white;
        }

        .uajp-footer-bottom {
            border-top: 1px solid #444;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #999;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .uajp-banner-content h1 {
                font-size: 32px;
            }

            .uajp-banner-content p {
                font-size: 16px;
            }

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

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

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

            .uajp-banner-buttons {
                flex-direction: column;
                align-items: center;
            }

            .uajp-btn {
                width: 100%;
                max-width: 300px;
            }

            .uajp-steps-container {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 480px) {
            .uajp-nav-container {
                padding: 10px 15px;
            }

            .uajp-nav-menu {
                gap: 10px;
                font-size: 11px;
            }

            .uajp-logo {
                font-size: 18px;
            }

            .uajp-banner {
                padding: 40px 15px;
            }

            .uajp-banner-content h1 {
                font-size: 24px;
            }

            .uajp-section {
                margin-bottom: 40px;
            }

            .uajp-main {
                padding: 40px 15px;
            }
        }