:root {
            --primary-color: #5D42D3;
            --primary-light: #7A64E0;
            --primary-dark: #4A35A8;
            --secondary-color: #6c757d;
            --success-color: #28a745;
            --info-color: #17a2b8;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --gray-100: #f8f9fa;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-400: #ced4da;
            --gray-500: #adb5bd;
            --gray-600: #6c757d;
            --gray-700: #495057;
            --gray-800: #343a40;
            --gray-900: #212529;
            --body-bg: #f5f7fa;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --border-radius-sm: 0.25rem;
            --border-radius: 0.5rem;
            --border-radius-lg: 0.75rem;
            --border-radius-xl: 1rem;
            --border-radius-2xl: 1.5rem;
            --border-radius-circle: 50%;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Roboto Mono', Menlo, Consolas, monospace;
        }

        /* Page Container */
        .page-detail-container {
            background-color: var(--body-bg);
            padding: 2rem 0;
            min-height: 100vh;
        }

        /* Breadcrumbs */
        .page-breadcrumbs {
            margin-bottom: 1.5rem;
        }

        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .breadcrumb-item {
            display: flex;
            align-items: center;
            font-size: 0.875rem;
            color: var(--gray-600);
        }

        .breadcrumb-item:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: var(--gray-400);
        }

        .breadcrumb-link {
            display: flex;
            align-items: center;
            color: var(--gray-600);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-link:hover {
            color: var(--primary-color);
        }

        .breadcrumb-icon {
            width: 16px;
            height: 16px;
            margin-right: 0.25rem;
        }

        .breadcrumb-active {
            color: var(--gray-800);
            font-weight: 500;
        }

        /* Page Layout */
        .page-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        /* Main Content */
        .page-main {
            background-color: white;
            border-radius: var(--border-radius-sm);
            overflow: hidden;
        }

        /* Page Header */
        .page-header {
            padding: 2rem 2rem 1.5rem;
            border-bottom: 1px solid var(--gray-200);
        }

        .page-meta {
            margin-bottom: 1rem;
        }

        .page-category {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 0.75rem;
        }

        .page-category-badge {
            background-color: var(--primary-color);
            color: white;
            padding: 0.35rem 0.75rem;
            border-radius: var(--border-radius);
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .page-publish-date {
            font-size: 0.875rem;
            color: var(--gray-600);
        }

        .page-title {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.2;
            margin: 0;
            color: var(--gray-900);
        }

        /* Page Content */
        .page-content {
            padding: 1rem;
        }

        .page-description {
            color: var(--gray-800);
            line-height: 1.7;
        }

        .page-description p {
            margin-bottom: 1.5rem;
        }

        .page-description h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .page-description h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .page-description ul, .page-description ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }

        .page-description li {
            margin-bottom: 0.5rem;
        }

        .page-description a {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }

        .page-description a:hover {
            border-color: var(--primary-color);
        }

        .page-description img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }

        .page-description blockquote {
            border-left: 4px solid var(--primary-color);
            padding-left: 1.5rem;
            margin-left: 0;
            margin-right: 0;
            font-style: italic;
            color: var(--gray-700);
        }

        .page-description code {
            background-color: var(--gray-100);
            padding: 0.2rem 0.4rem;
            border-radius: var(--border-radius-sm);
            font-family: var(--font-mono);
            font-size: 0.875em;
        }

        .page-description pre {
            background-color: var(--gray-900);
            color: var(--gray-100);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            overflow-x: auto;
            margin: 1.5rem 0;
        }

        .page-description pre code {
            background-color: transparent;
            padding: 0;
            color: inherit;
        }

        /* Action Buttons */
        .page-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 2rem 2rem;
            border-top: 1px solid var(--gray-200);
        }

        .page-action-buttons {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .page-action-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
        }

        .page-action-button.primary {
            background-color: var(--primary-color);
            color: white;
            box-shadow: 0 4px 12px rgba(93, 66, 211, 0.25);
            border: none;
        }

        .page-action-button.primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(93, 66, 211, 0.35);
        }

        .page-action-button.secondary {
            background-color: white;
            color: var(--gray-800);
            border: 1px solid var(--gray-300);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
        }

        .page-action-button.secondary:hover {
            background-color: var(--gray-100);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .action-icon {
            width: 18px;
            height: 18px;
            margin-right: 0.5rem;
        }

        .page-share-buttons {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .share-label {
            font-size: 0.95rem;
            color: var(--gray-600);
            margin-right: 0.25rem;
        }

        .share-button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--border-radius-circle);
            background-color: var(--gray-100);
            color: var(--gray-700);
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
        }

        .share-button:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }

        .share-icon {
            width: 18px;
            height: 18px;
        }

        /* Sidebar */
        .page-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-card {
            background-color: white;
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            border: 1px solid var(--gray-200);
            transition: box-shadow var(--transition-normal);
        }

        .sidebar-card:hover {
            box-shadow: var(--card-shadow-hover);
        }

        .sidebar-card-title {
            padding: 1.25rem 1.5rem;
            margin: 0;
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--gray-900);
            border-bottom: 1px solid var(--gray-200);
            background-color: var(--gray-50);
        }

        .sidebar-card-content {
            padding: 1.5rem;
        }

        .detail-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--gray-200);
        }

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

        .detail-label {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        .detail-value {
            color: var(--gray-900);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .related-pages {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .related-page-item {
            display: flex;
            text-decoration: none;
            color: inherit;
            transition: all var(--transition-normal);
            padding: 0.75rem;
            border-radius: var(--border-radius);
            border-left: 3px solid transparent;
        }

        .related-page-item:hover {
            background-color: var(--gray-100);
            transform: translateX(5px);
            border-left-color: var(--primary-color);
        }

        .related-page-info {
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .related-page-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--gray-800);
            margin: 0 0 0.25rem 0;
            line-height: 1.4;
        }

        .related-page-date {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* Quick Links */
        .quick-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .quick-link {
            display: flex;
            align-items: center;
            padding: 0.75rem;
            border-radius: var(--border-radius);
            transition: all var(--transition-normal);
            color: var(--gray-700);
            margin-bottom: 0.5rem;
            text-decoration: none;
        }

        .quick-link:hover {
            background-color: var(--gray-100);
            color: var(--primary-color);
            transform: translateX(5px);
        }

        .quick-link-icon {
            width: 20px;
            height: 20px;
            margin-right: 0.75rem;
            color: var(--primary-color);
        }

        /* Feedback Modal */
        .feedback-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.75);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 50;
            padding: 1rem;
        }

        .feedback-modal-container {
            background-color: white;
            border-radius: var(--border-radius-lg);
            width: 100%;
            max-width: 550px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .feedback-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            border-bottom: 1px solid var(--gray-200);
        }

        .feedback-modal-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--gray-900);
            margin: 0;
        }

        .feedback-modal-close {
            background: transparent;
            border: none;
            color: var(--gray-500);
            cursor: pointer;
            padding: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition-fast);
        }

        .feedback-modal-close:hover {
            color: var(--gray-900);
        }

        .modal-close-icon {
            width: 24px;
            height: 24px;
        }

        .feedback-modal-content {
            padding: 1.5rem;
        }

        .feedback-modal-description {
            color: var(--gray-700);
            margin-bottom: 1.5rem;
        }

        .feedback-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .feedback-form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .feedback-form-label {
            font-weight: 500;
            color: var(--gray-800);
            font-size: 0.95rem;
        }

        .feedback-form-input, .feedback-form-textarea {
            padding: 0.75rem;
            border: 1px solid var(--gray-300);
            border-radius: var(--border-radius);
            font-family: var(--font-sans);
            font-size: 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .feedback-form-input:focus, .feedback-form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(93, 66, 211, 0.1);
        }

        .feedback-form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .feedback-rating {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .feedback-rating-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }

        .feedback-rating-option input {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }

        .feedback-rating-button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: var(--border-radius-circle);
            background-color: var(--gray-100);
            color: var(--gray-600);
            transition: all var(--transition-normal);
        }

        .feedback-rating-option:hover .feedback-rating-button {
            background-color: rgba(93, 66, 211, 0.1);
            color: var(--primary-color);
            transform: translateY(-2px);
        }

        .feedback-rating-option input:checked + .feedback-rating-button {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(93, 66, 211, 0.25);
        }

        .feedback-rating-icon {
            width: 24px;
            height: 24px;
        }

        .feedback-rating-text {
            font-size: 0.85rem;
            color: var(--gray-700);
            text-align: center;
        }

        .feedback-form-actions {
            display: flex;
            justify-content: flex-end;
            gap: 1rem;
            margin-top: 1rem;
        }

        .feedback-form-button {
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
        }

        .feedback-form-button.primary {
            background-color: var(--primary-color);
            color: white;
            border: none;
            box-shadow: 0 4px 12px rgba(93, 66, 211, 0.25);
        }

        .feedback-form-button.primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(93, 66, 211, 0.35);
        }

        .feedback-form-button.secondary {
            background-color: white;
            color: var(--gray-800);
            border: 1px solid var(--gray-300);
        }

        .feedback-form-button.secondary:hover {
            background-color: var(--gray-100);
            transform: translateY(-2px);
        }

        .feedback-form-button:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none !important;
        }

        .feedback-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .feedback-success {
            text-align: center;
            padding: 2rem 1rem;
        }

        .feedback-success-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: var(--border-radius-circle);
            background-color: rgba(40, 167, 69, 0.1);
            color: var(--success-color);
            margin: 0 auto 1.5rem;
        }

        .success-icon {
            width: 40px;
            height: 40px;
        }

        .feedback-success-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 0.75rem;
        }

        .feedback-success-message {
            color: var(--gray-700);
            margin-bottom: 1.5rem;
        }

        /* Toast Notification */
        .toast-notification {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1rem 1.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            z-index: 40;
            cursor: pointer;
            max-width: 400px;
        }

        .toast-notification.success {
            border-left: 4px solid var(--success-color);
        }

        .toast-notification.error {
            border-left: 4px solid var(--danger-color);
        }

        .toast-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .toast-svg {
            width: 24px;
            height: 24px;
        }

        .toast-notification.success .toast-svg {
            color: var(--success-color);
        }

        .toast-notification.error .toast-svg {
            color: var(--danger-color);
        }

        .toast-content {
            flex: 1;
        }

        .toast-message {
            margin: 0;
            color: var(--gray-800);
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .page-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .page-header {
                padding: 1.5rem 1.5rem 1rem;
            }

            .page-content {
                padding: 1.0rem;
            }

            .page-actions {
                padding: 1.5rem;
                flex-direction: column;
                align-items: flex-start;
            }

            .page-action-buttons {
                width: 100%;
                flex-direction: column;
                gap: 0.75rem;
            }

            .page-action-button {
                width: 100%;
                justify-content: center;
            }

            .page-share-buttons {
                margin-top: 1.5rem;
                width: 100%;
                justify-content: center;
            }

            .page-title {
                font-size: 1.75rem;
            }

            .related-page-item {
                flex-direction: column;
                gap: 0.5rem;
            }

            .related-page-image {
                width: 100%;
                height: 120px;
            }

            .feedback-rating {
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .page-breadcrumbs {
                margin-bottom: 1rem;
            }

            .page-category {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

            .toast-notification {
                left: 1rem;
                right: 1rem;
                bottom: 1rem;
            }
        }