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

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

        /* Navigation Styles */
        .ef9dq1-navbar {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .ef9dq1-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
            flex-wrap: wrap;
        }

        .ef9dq1-logo-wrapper {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            gap: 0.5rem;
        }

        .ef9dq1-logo-wrapper img {
            height: 40px;
            width: auto;
        }

        .ef9dq1-nav-menu {
            display: flex;
            gap: 2rem;
            align-items: center;
            list-style: none;
        }

        .ef9dq1-nav-link {
            color: white;
            text-decoration: none;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .ef9dq1-nav-link:hover {
            border-bottom-color: white;
            opacity: 0.9;
        }

        /* Header/Hero Section */
        .ef9dq1-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
        }

        .ef9dq1-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .ef9dq1-hero-title {
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .ef9dq1-hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .ef9dq1-cta-button {
            display: inline-block;
            background-color: #ff6b6b;
            color: white;
            padding: 0.75rem 2.5rem;
            font-size: 1rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
        }

        .ef9dq1-cta-button:hover {
            background-color: #ff5252;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
        }

        /* Main Content */
        .ef9dq1-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .ef9dq1-main-content {
            background: white;
            padding: 3rem;
            margin: 2rem 0;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .ef9dq1-main-h1 {
            font-size: 2rem;
            color: #667eea;
            margin-bottom: 1.5rem;
            border-left: 4px solid #667eea;
            padding-left: 1rem;
        }

        .ef9dq1-intro-text {
            font-size: 1.1rem;
            color: #555;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        /* Features Section */
        .ef9dq1-features-section {
            margin: 2rem 0;
        }

        .ef9dq1-section-title {
            font-size: 1.8rem;
            color: #667eea;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #667eea;
            padding-bottom: 0.5rem;
        }

        .ef9dq1-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .ef9dq1-feature-card {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #667eea;
            transition: all 0.3s ease;
        }

        .ef9dq1-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
        }

        .ef9dq1-feature-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .ef9dq1-feature-title {
            font-size: 1.2rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 0.5rem;
        }

        .ef9dq1-feature-desc {
            font-size: 0.95rem;
            color: #666;
            line-height: 1.6;
        }

        /* Steps Section */
        .ef9dq1-steps-section {
            margin: 2rem 0;
        }

        .ef9dq1-steps-container {
            background: #f0f4ff;
            padding: 2rem;
            border-radius: 8px;
        }

        .ef9dq1-step-item {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #ddd;
        }

        .ef9dq1-step-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .ef9dq1-step-number {
            display: inline-block;
            width: 30px;
            height: 30px;
            background-color: #667eea;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 30px;
            font-weight: bold;
            margin-right: 1rem;
            margin-bottom: 0.5rem;
        }

        .ef9dq1-step-title {
            font-size: 1.1rem;
            font-weight: bold;
            color: #333;
            margin-bottom: 0.5rem;
            display: inline;
        }

        .ef9dq1-step-desc {
            color: #666;
            margin-left: 3rem;
            line-height: 1.6;
        }

        .ef9dq1-code-block {
            background-color: #2d2d2d;
            color: #f8f8f2;
            padding: 1rem;
            border-radius: 4px;
            overflow-x: auto;
            margin: 0.5rem 0;
            font-family: 'Courier New', monospace;
            font-size: 0.85rem;
            line-height: 1.5;
            margin-left: 3rem;
        }

        /* Protocol Support */
        .ef9dq1-protocol-section {
            margin: 2rem 0;
        }

        .ef9dq1-protocol-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }

        .ef9dq1-protocol-table thead {
            background-color: #667eea;
            color: white;
        }

        .ef9dq1-protocol-table th {
            padding: 1rem;
            text-align: left;
            font-weight: bold;
        }

        .ef9dq1-protocol-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #ddd;
        }

        .ef9dq1-protocol-table tbody tr:hover {
            background-color: #f5f7fa;
        }

        .ef9dq1-protocol-badge {
            display: inline-block;
            background-color: #667eea;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: bold;
        }

        /* Comparison Section */
        .ef9dq1-comparison-section {
            margin: 2rem 0;
            background: white;
            padding: 2rem;
            border-radius: 8px;
        }

        .ef9dq1-comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .ef9dq1-comparison-item {
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            text-align: center;
        }

        .ef9dq1-comparison-item.ef9dq1-highlight {
            border: 2px solid #667eea;
            background-color: #f0f4ff;
        }

        .ef9dq1-comparison-label {
            font-weight: bold;
            color: #667eea;
            margin-bottom: 0.5rem;
        }

        .ef9dq1-comparison-value {
            font-size: 0.9rem;
            color: #666;
        }

        /* CTA Section */
        .ef9dq1-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
            border-radius: 8px;
            margin: 2rem 0;
        }

        .ef9dq1-cta-title {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .ef9dq1-cta-desc {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            opacity: 0.95;
        }

        .ef9dq1-cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .ef9dq1-button-primary {
            background-color: #ff6b6b;
            color: white;
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .ef9dq1-button-primary:hover {
            background-color: #ff5252;
            transform: translateY(-2px);
        }

        .ef9dq1-button-secondary {
            background-color: transparent;
            color: white;
            padding: 0.75rem 2rem;
            border: 2px solid white;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .ef9dq1-button-secondary:hover {
            background-color: white;
            color: #667eea;
        }

        /* FAQ Section */
        .ef9dq1-faq-section {
            margin: 2rem 0;
        }

        .ef9dq1-faq-item {
            background: #f8f9fa;
            margin-bottom: 1rem;
            border-radius: 4px;
            overflow: hidden;
        }

        .ef9dq1-faq-question {
            padding: 1.5rem;
            background: #f0f4ff;
            cursor: pointer;
            font-weight: bold;
            color: #667eea;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .ef9dq1-faq-question:hover {
            background: #e6ebff;
        }

        .ef9dq1-faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .ef9dq1-faq-answer {
            padding: 1.5rem;
            color: #666;
            line-height: 1.6;
            display: none;
        }

        .ef9dq1-faq-answer.ef9dq1-active {
            display: block;
        }

        /* Footer */
        .ef9dq1-footer {
            background-color: #2c3e50;
            color: white;
            padding: 2rem;
            margin-top: 3rem;
        }

        .ef9dq1-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .ef9dq1-footer-section h4 {
            margin-bottom: 1rem;
            color: #667eea;
        }

        .ef9dq1-footer-link {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }

        .ef9dq1-footer-link:hover {
            color: #667eea;
        }

        .ef9dq1-footer-bottom {
            border-top: 1px solid #444;
            padding-top: 1rem;
            text-align: center;
            color: #999;
            font-size: 0.9rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .ef9dq1-hero-title {
                font-size: 1.8rem;
            }

            .ef9dq1-hero-subtitle {
                font-size: 1rem;
            }

            .ef9dq1-main-content {
                padding: 1.5rem;
            }

            .ef9dq1-nav-menu {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .ef9dq1-features-grid {
                grid-template-columns: 1fr;
            }

            .ef9dq1-cta-buttons {
                flex-direction: column;
            }

            .ef9dq1-button-primary,
            .ef9dq1-button-secondary {
                width: 100%;
            }

            .ef9dq1-step-desc {
                margin-left: 1rem;
            }

            .ef9dq1-code-block {
                margin-left: 1rem;
            }
        }

        @media (max-width: 480px) {
            .ef9dq1-nav-container {
                padding: 1rem;
            }

            .ef9dq1-nav-menu {
                width: 100%;
                flex-direction: column;
                gap: 0.5rem;
            }

            .ef9dq1-hero {
                padding: 2rem 1rem;
            }

            .ef9dq1-hero-title {
                font-size: 1.5rem;
            }

            .ef9dq1-main-content {
                padding: 1rem;
                margin: 1rem 0;
            }

            .ef9dq1-section-title {
                font-size: 1.4rem;
            }
        }