* {
            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;
        }

        /* 导航栏样式 */
        .uajp-navbar-container {
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

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

        .uajp-logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: white;
            font-weight: bold;
            font-size: 20px;
        }

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

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

        .uajp-nav-link {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: opacity 0.3s ease;
            display: block;
        }

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

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

        /* 英雄区域 */
        .uajp-hero-section {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            padding: 60px 20px;
            text-align: center;
            margin: 40px 0;
            border-radius: 12px;
        }

        .uajp-hero-title {
            font-size: 48px;
            font-weight: 700;
            color: #1e40af;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .uajp-hero-subtitle {
            font-size: 20px;
            color: #475569;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .uajp-cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            color: white;
            padding: 16px 40px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .uajp-cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
        }

        .uajp-cta-button-secondary {
            display: inline-block;
            background: white;
            color: #2563eb;
            padding: 16px 40px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
            border: 2px solid #2563eb;
            margin-left: 15px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .uajp-cta-button-secondary:hover {
            transform: translateY(-2px);
            background: #f0f9ff;
        }

        /* 特性区域 */
        .uajp-features-section {
            padding: 60px 20px;
            background: white;
        }

        .uajp-section-title {
            font-size: 36px;
            font-weight: 700;
            color: #1e40af;
            text-align: center;
            margin-bottom: 50px;
        }

        .uajp-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .uajp-feature-card {
            background: #f8fafc;
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid #2563eb;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .uajp-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
        }

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

        .uajp-feature-title {
            font-size: 18px;
            font-weight: 600;
            color: #1e40af;
            margin-bottom: 10px;
        }

        .uajp-feature-desc {
            font-size: 14px;
            color: #64748b;
            line-height: 1.6;
        }

        /* 下载区域 */
        .uajp-download-section {
            background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            border-radius: 12px;
            margin: 40px 0;
        }

        .uajp-download-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

        .uajp-download-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .uajp-download-btn {
            background: white;
            color: #1e40af;
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .uajp-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
        }

        /* 关于区域 */
        .uajp-about-section {
            padding: 60px 20px;
            background: #f8fafc;
        }

        .uajp-about-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .uajp-about-intro {
            font-size: 16px;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 25px;
        }

        .uajp-about-list {
            list-style: none;
            margin: 30px 0;
        }

        .uajp-about-item {
            padding: 15px 0;
            padding-left: 40px;
            position: relative;
            font-size: 15px;
            color: #475569;
            line-height: 1.6;
        }

        .uajp-about-item:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #2563eb;
            font-weight: bold;
            font-size: 18px;
        }

        /* 常见问题区域 */
        .uajp-faq-section {
            padding: 60px 20px;
            background: white;
        }

        .uajp-faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .uajp-faq-item {
            margin-bottom: 20px;
            background: #f8fafc;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
        }

        .uajp-faq-question {
            background: #f1f5f9;
            padding: 20px;
            cursor: pointer;
            font-weight: 600;
            color: #1e40af;
            transition: background 0.3s ease;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .uajp-faq-question:hover {
            background: #e0e7ff;
        }

        .uajp-faq-answer {
            padding: 20px;
            display: none;
            color: #475569;
            line-height: 1.6;
            font-size: 14px;
        }

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

        /* 页脚 */
        .uajp-footer-container {
            background: #1f2937;
            color: #d1d5db;
            padding: 50px 20px 20px;
            margin-top: 60px;
        }

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

        .uajp-footer-section {
            color: #d1d5db;
        }

        .uajp-footer-title {
            color: white;
            font-weight: 600;
            margin-bottom: 15px;
            font-size: 16px;
        }

        .uajp-footer-link {
            display: block;
            color: #d1d5db;
            text-decoration: none;
            margin-bottom: 10px;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .uajp-footer-link:hover {
            color: #2563eb;
        }

        .uajp-footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #9ca3af;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .uajp-nav-menu {
                gap: 15px;
            }

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

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

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

            .uajp-cta-button-secondary {
                display: block;
                margin-left: 0;
                margin-top: 10px;
            }

            .uajp-section-title {
                font-size: 28px;
            }

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

            .uajp-download-btn {
                width: 100%;
            }

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

        @media (max-width: 480px) {
            .uajp-navbar-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 15px 20px;
            }

            .uajp-nav-menu {
                width: 100%;
                flex-direction: column;
                gap: 10px;
                margin-top: 15px;
                display: none;
            }

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

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

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