:root {
            --primary-dark: #2c3e50;
            --primary-light: #34495e;
            --accent-gold: #f39c12;
            --accent-blue: #3498db;
            --text-light: #ecf0f1;
            --text-grey: #bdc3c7;
            --bg-dark: #1a1a2e;
            --bg-card: #16213e;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-grey);
            background: linear-gradient(135deg, var(--bg-dark) 0%, #0f3460 100%);
            background-attachment: fixed;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .site-header {
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--accent-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo a {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--accent-gold);
            text-decoration: none;
            text-shadow: 0 0 15px rgba(243, 156, 18, 0.5);
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .my-logo a:hover {
            color: var(--text-light);
            text-shadow: 0 0 20px rgba(243, 156, 18, 0.8);
        }
        .my-logo span {
            color: var(--accent-blue);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a:hover,
        .nav-desktop a:focus {
            color: var(--accent-gold);
            background: rgba(52, 152, 219, 0.1);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 10%;
            width: 80%;
            height: 2px;
            background: var(--accent-gold);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        .nav-desktop a:hover::after {
            transform: scaleX(1);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--primary-dark);
            flex-direction: column;
            padding: 1rem;
            box-shadow: var(--shadow);
            border-top: 1px solid var(--accent-blue);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile ul {
            list-style: none;
            width: 100%;
        }
        .nav-mobile li {
            margin: 0.5rem 0;
        }
        .nav-mobile a {
            display: block;
            color: var(--text-light);
            text-decoration: none;
            padding: 1rem;
            border-radius: 4px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .nav-mobile a:hover {
            background: rgba(52, 152, 219, 0.2);
            border-left-color: var(--accent-gold);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1rem auto;
            padding: 0 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--accent-blue);
        }
        .breadcrumb a {
            color: var(--accent-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 350px);
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 3rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(52, 152, 219, 0.2);
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 2px solid var(--accent-gold);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 3.2rem;
            color: var(--text-light);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--text-grey);
            font-size: 0.95rem;
        }
        .last-updated {
            background: rgba(52, 152, 219, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-meta i {
            color: var(--accent-gold);
        }
        .content-section {
            margin-bottom: 4rem;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed rgba(243, 156, 18, 0.4);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-light);
            margin: 1.5rem 0 0.8rem;
            font-style: italic;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-light);
            line-height: 1.9;
            background: rgba(52, 152, 219, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent-gold);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(243, 156, 18, 0.1) 0%, transparent 100%);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid var(--accent-gold);
        }
        .highlight strong {
            color: var(--accent-gold);
            font-size: 1.1em;
        }
        .quote {
            font-style: italic;
            color: var(--text-light);
            border-left: 4px solid var(--accent-blue);
            padding-left: 2rem;
            margin: 2.5rem 0 2.5rem 2rem;
            font-size: 1.2rem;
            line-height: 1.9;
        }
        .quote-author {
            display: block;
            text-align: right;
            color: var(--accent-gold);
            font-weight: bold;
            margin-top: 1rem;
        }
        .content-section a {
            color: var(--accent-blue);
            text-decoration: none;
            border-bottom: 1px dotted var(--accent-blue);
            transition: var(--transition);
        }
        .content-section a:hover {
            color: var(--accent-gold);
            border-bottom-style: solid;
            background: rgba(243, 156, 18, 0.05);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 2px solid rgba(52, 152, 219, 0.3);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-grey);
            padding: 1rem;
            background: rgba(0, 0, 0, 0.3);
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .interactive-module {
            background: rgba(26, 26, 46, 0.7);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid rgba(52, 152, 219, 0.3);
        }
        .module-title {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        label {
            color: var(--text-light);
            font-weight: 600;
        }
        input, textarea, select {
            padding: 0.9rem 1.2rem;
            border-radius: 8px;
            border: 1px solid rgba(52, 152, 219, 0.5);
            background: rgba(26, 26, 46, 0.8);
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button[type="submit"] {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #e67e22 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button[type="submit"]:hover {
            background: linear-gradient(135deg, #f1c40f 0%, var(--accent-gold) 100%);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--text-grey);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent-gold);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: var(--bg-card);
            border-radius: 10px;
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(52, 152, 219, 0.2);
        }
        .widget-title {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid rgba(243, 156, 18, 0.3);
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed rgba(52, 152, 219, 0.3);
        }
        .related-links a {
            color: var(--text-light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--accent-gold);
            padding-left: 0.5rem;
        }
        .related-links i {
            color: var(--accent-blue);
            width: 1.2rem;
        }
        .toc {
            position: sticky;
            top: 120px;
        }
        .toc ul {
            list-style: none;
            margin-left: 0;
        }
        .toc li {
            margin-bottom: 0.8rem;
        }
        .toc a {
            color: var(--text-grey);
            text-decoration: none;
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .toc a:hover,
        .toc a.active {
            color: var(--accent-gold);
            background: rgba(52, 152, 219, 0.1);
            border-left-color: var(--accent-gold);
        }
        .site-footer {
            background: var(--primary-dark);
            border-top: 2px solid var(--accent-gold);
            margin-top: 4rem;
            padding: 3rem 2rem 2rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: var(--text-grey);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-blue);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(52, 152, 219, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            border: 1px dashed var(--accent-blue);
        }
        friend-link a {
            color: var(--accent-gold) !important;
            font-weight: bold;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-grey);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 1rem;
            }
            .my-logo a {
                font-size: 1.8rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .main-container, .breadcrumb {
                padding: 0 1rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .article-header h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1rem;
            }
            .interactive-module {
                padding: 1.5rem;
            }
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .emoji { font-size: 1.2em; }