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

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

        /* 导航栏样式 */
        .dgca-navbar-wrapper {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .dgca-logo-section {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dgca-logo-img {
            height: 45px;
            width: auto;
        }

        .dgca-brand-text {
            color: white;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

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

        .dgca-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 12px;
            border-radius: 4px;
        }

        .dgca-nav-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

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

        /* 英雄区域 */
        .dgca-hero-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
            padding: 80px 20px;
            text-align: center;
            margin-top: 0;
        }

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

        .dgca-hero-title {
            font-size: 48px;
            font-weight: 800;
            color: #0066cc;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .dgca-hero-subtitle {
            font-size: 18px;
            color: #555;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .dgca-cta-button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .dgca-cta-button-primary {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            color: white;
            padding: 15px 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, 102, 204, 0.3);
            text-decoration: none;
            display: inline-block;
        }

        .dgca-cta-button-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
        }

        .dgca-cta-button-secondary {
            background: white;
            color: #0066cc;
            padding: 15px 40px;
            border: 2px solid #0066cc;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .dgca-cta-button-secondary:hover {
            background: #0066cc;
            color: white;
            transform: translateY(-3px);
        }

        .dgca-version-info {
            font-size: 12px;
            color: #999;
            margin-top: 15px;
        }

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

        .dgca-section-title {
            font-size: 36px;
            font-weight: 800;
            color: #0066cc;
            text-align: center;
            margin-bottom: 50px;
        }

        .dgca-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .dgca-feature-card {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 12px;
            border-left: 4px solid #0066cc;
            transition: all 0.3s ease;
        }

        .dgca-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            background: white;
        }

        .dgca-feature-icon {
            font-size: 32px;
            margin-bottom: 15px;
            display: block;
        }

        .dgca-feature-title {
            font-size: 20px;
            font-weight: 700;
            color: #333;
            margin-bottom: 10px;
        }

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

        /* 系统兼容性区域 */
        .dgca-compatibility-section {
            padding: 60px 20px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
        }

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

        .dgca-compatibility-item {
            background: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .dgca-compatibility-item:hover {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transform: translateY(-3px);
        }

        .dgca-os-icon {
            font-size: 40px;
            margin-bottom: 12px;
        }

        .dgca-os-name {
            font-size: 16px;
            font-weight: 700;
            color: #333;
            margin-bottom: 8px;
        }

        .dgca-os-version {
            font-size: 12px;
            color: #999;
        }

        /* 安装步骤区域 */
        .dgca-install-section {
            padding: 60px 20px;
            background: white;
        }

        .dgca-steps-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .dgca-step-item {
            display: flex;
            margin-bottom: 30px;
            gap: 20px;
        }

        .dgca-step-number {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
        }

        .dgca-step-content h3 {
            font-size: 18px;
            color: #333;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .dgca-step-content p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        .dgca-step-content code {
            background: #f0f0f0;
            padding: 2px 6px;
            border-radius: 3px;
            font-family: 'Courier New', monospace;
            color: #d63384;
        }

        /* 优势对比区域 */
        .dgca-advantages-section {
            padding: 60px 20px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
        }

        .dgca-advantages-list {
            max-width: 700px;
            margin: 0 auto;
        }

        .dgca-advantage-item {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .dgca-check-icon {
            color: #28a745;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
        }

        .dgca-advantage-text {
            font-size: 15px;
            color: #333;
            line-height: 1.6;
        }

        /* FAQ区域 */
        .dgca-faq-section {
            padding: 60px 20px;
            background: white;
        }

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

        .dgca-faq-item {
            margin-bottom: 20px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            overflow: hidden;
        }

        .dgca-faq-question {
            background: #f8f9fa;
            padding: 20px;
            cursor: pointer;
            font-weight: 600;
            color: #333;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .dgca-faq-question:hover {
            background: #e9ecef;
            color: #0066cc;
        }

        .dgca-faq-arrow {
            font-size: 18px;
            transition: transform 0.3s ease;
        }

        .dgca-faq-item.active .dgca-faq-arrow {
            transform: rotate(180deg);
        }

        .dgca-faq-answer {
            padding: 20px;
            background: white;
            color: #666;
            line-height: 1.8;
            display: none;
            border-top: 1px solid #e0e0e0;
        }

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

        /* 底部CTA区域 */
        .dgca-final-cta-section {
            padding: 60px 20px;
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            text-align: center;
            color: white;
        }

        .dgca-final-cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .dgca-final-cta-desc {
            font-size: 16px;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .dgca-cta-button-white {
            background: white;
            color: #0066cc;
            padding: 15px 40px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .dgca-cta-button-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        /* 页脚 */
        .dgca-footer-wrapper {
            background: #1a1a1a;
            color: #ccc;
            padding: 40px 20px 20px;
        }

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

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

        .dgca-footer-column h3 {
            color: white;
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 700;
        }

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

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

        .dgca-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #999;
        }

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

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

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

            .dgca-nav-menu {
                gap: 15px;
            }

            .dgca-nav-link {
                font-size: 12px;
            }

            .dgca-cta-button-group {
                flex-direction: column;
            }

            .dgca-cta-button-primary,
            .dgca-cta-button-secondary {
                width: 100%;
            }

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

            .dgca-hero-section {
                padding: 50px 20px;
            }

            .dgca-features-section,
            .dgca-compatibility-section,
            .dgca-install-section,
            .dgca-advantages-section,
            .dgca-faq-section,
            .dgca-final-cta-section {
                padding: 40px 20px;
            }
        }

        @media (max-width: 480px) {
            .dgca-navbar-container {
                height: auto;
                padding: 15px 20px;
                flex-direction: column;
                gap: 15px;
            }

            .dgca-nav-menu {
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px;
            }

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

            .dgca-features-grid,
            .dgca-compatibility-grid {
                grid-template-columns: 1fr;
            }

            .dgca-step-item {
                gap: 15px;
            }

            .dgca-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }