    <style>
        .doc-page {
            padding: 100px 0 4rem;
            min-height: 100vh;
            background: #f9fafb;
        }

        .doc-header {
            text-align: center;
            margin-bottom: 4rem;
            padding: 2rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 16px;
        }

        .doc-header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: white;
        }

        .doc-header p {
            font-size: 1.1rem;
            opacity: 0.95;
        }

        .doc-nav {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 100px;
        }

        .doc-nav h3 {
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .doc-nav ul {
            list-style: none;
        }

        .doc-nav li {
            margin-bottom: 0.75rem;
        }

        .doc-nav a {
            color: var(--text-dark);
            text-decoration: none;
            padding: 0.5rem;
            display: block;
            border-radius: 6px;
            transition: var(--transition);
        }

        .doc-nav a:hover {
            background: var(--background-light);
            color: var(--primary-color);
            padding-left: 1rem;
        }

        .doc-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 2rem;
            align-items: start;
        }

        .doc-content {
            background: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: var(--shadow-md);
        }

        .doc-section {
            margin-bottom: 3rem;
            scroll-margin-top: 120px;
        }

        .doc-section h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }

        .doc-section h3 {
            color: var(--text-dark);
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .doc-section h4 {
            color: var(--text-dark);
            font-size: 1.2rem;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .doc-section p {
            line-height: 1.8;
            margin-bottom: 1rem;
            color: var(--text-light);
        }

        .doc-section ul, .doc-section ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }

        .doc-section li {
            margin-bottom: 0.5rem;
            line-height: 1.6;
            color: var(--text-light);
        }

        .info-box {
            background: #dbeafe;
            border-left: 4px solid #3b82f6;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 8px;
        }

        .info-box.success {
            background: #d1fae5;
            border-color: #10b981;
        }

        .info-box.warning {
            background: #fef3c7;
            border-color: #f59e0b;
        }

        .info-box.danger {
            background: #fee2e2;
            border-color: #ef4444;
        }

        .info-box strong {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .step-card {
            background: var(--background-light);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--primary-color);
        }

        .step-card h4 {
            margin-top: 0;
            color: var(--primary-color);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .feature-item {
            background: var(--background-light);
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
        }

        .feature-item i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .feature-item h4 {
            margin-bottom: 0.5rem;
        }

        code {
            background: #f3f4f6;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-family: monospace;
            color: #e11d48;
        }

        @media (max-width: 768px) {
            .doc-layout {
                grid-template-columns: 1fr;
            }

            .doc-nav {
                position: relative;
                top: 0;
            }

            .doc-content {
                padding: 2rem 1.5rem;
            }

            .doc-header h1 {
                font-size: 1.75rem;
            }
        }
