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

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

        /* Navigation Styles */
        .dgca-navbar-wrapper {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 2px 10px 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: 10px;
        }

        .dgca-logo-section img {
            height: 50px;
            width: auto;
        }

        .dgca-brand-name {
            color: white;
            font-size: 24px;
            font-weight: 700;
            text-decoration: none;
        }

        .dgca-brand-name:hover {
            opacity: 0.9;
        }

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

        .dgca-nav-link {
            color: white;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: opacity 0.3s ease;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }

        .dgca-nav-link:hover {
            opacity: 0.8;
            border-bottom-color: white;
        }

        /* Hero Section */
        .dgca-hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 100px 20px;
            text-align: center;
        }

        .dgca-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .dgca-hero-title {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .dgca-hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            line-height: 1.6;
        }

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

        .dgca-btn-primary {
            background: white;
            color: #667eea;
            padding: 15px 40px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .dgca-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .dgca-btn-secondary {
            background: transparent;
            color: white;
            padding: 15px 40px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            border: 2px solid white;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .dgca-btn-secondary:hover {
            background: white;
            color: #667eea;
        }

        /* Features Section */
        .dgca-features-section {
            padding: 80px 20px;
            background: #f8f9fa;
        }

        .dgca-section-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .dgca-section-title {
            font-size: 36px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 50px;
            color: #333;
        }

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

        .dgca-feature-card {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .dgca-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        }

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

        .dgca-feature-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #667eea;
        }

        .dgca-feature-text {
            font-size: 14px;
            color: #666;
            line-height: 1.7;
        }

        /* Download Section */
        .dgca-download-section {
            padding: 80px 20px;
            background: white;
        }

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

        .dgca-download-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #333;
        }

        .dgca-download-desc {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .dgca-version-info {
            background: #f0f4ff;
            padding: 20px;
            border-left: 4px solid #667eea;
            margin-bottom: 30px;
            border-radius: 5px;
        }

        .dgca-version-label {
            font-size: 12px;
            color: #667eea;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .dgca-version-number {
            font-size: 24px;
            font-weight: 700;
            color: #333;
        }

        .dgca-download-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .dgca-btn-download {
            background: #667eea;
            color: white;
            padding: 12px 30px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
            display: inline-block;
            border: none;
            cursor: pointer;
        }

        .dgca-btn-download:hover {
            background: #764ba2;
            transform: translateY(-2px);
        }

        /* About Section */
        .dgca-about-section {
            padding: 80px 20px;
            background: #f8f9fa;
        }

        .dgca-about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .dgca-about-content h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #333;
        }

        .dgca-about-content p {
            font-size: 15px;
            color: #666;
            margin-bottom: 15px;
            line-height: 1.8;
        }

        .dgca-about-list {
            list-style: none;
            margin-top: 25px;
        }

        .dgca-about-item {
            padding: 12px 0;
            font-size: 15px;
            color: #666;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }

        .dgca-about-item:before {
            content: "✓";
            color: #667eea;
            font-weight: 700;
            margin-right: 10px;
            font-size: 18px;
        }

        .dgca-about-image {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            height: 400px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            font-weight: 600;
        }

        /* Support Section */
        .dgca-support-section {
            padding: 80px 20px;
            background: white;
        }

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

        .dgca-support-card {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
        }

        .dgca-support-icon {
            font-size: 36px;
            margin-bottom: 15px;
        }

        .dgca-support-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }

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

        /* Footer */
        .dgca-footer-wrapper {
            background: #2d3e50;
            color: white;
            padding: 60px 20px 20px;
        }

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

        .dgca-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .dgca-footer-column h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

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

        .dgca-footer-divider {
            border-top: 1px solid #444;
            margin: 30px 0;
        }

        .dgca-footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .dgca-footer-copyright {
            font-size: 14px;
            color: #bbb;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .dgca-hero-title {
                font-size: 36px;
            }

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

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

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

            .dgca-about-grid {
                grid-template-columns: 1fr;
            }

            .dgca-about-image {
                height: 300px;
            }

            .dgca-cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .dgca-btn-primary,
            .dgca-btn-secondary {
                width: 100%;
                max-width: 300px;
            }

            .dgca-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .dgca-navbar-container {
                height: 60px;
            }

            .dgca-logo-section img {
                height: 40px;
            }

            .dgca-brand-name {
                font-size: 18px;
            }

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

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

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

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

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

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

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