:root {
            --primary-dark: #0c0c0e;
            --primary-accent: #c5a267;
            --secondary-accent: #3a506b;
            --text-primary: #e0e0e0;
            --text-secondary: #a0a0a0;
            --background-light: #1a1a1f;
            --background-card: #23232a;
            --success: #4caf50;
            --warning: #ff9800;
            --border-radius: 8px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-dark);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e0c189;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: rgba(12, 12, 14, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #333;
            padding: var(--spacing-xs) 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-accent);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--text-primary);
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(197, 162, 103, 0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--background-light);
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--background-card);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background-color: var(--background-card);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            color: var(--text-primary);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-accent);
            border-bottom: 2px solid var(--secondary-accent);
            padding-bottom: var(--spacing-sm);
        }
        h2 {
            font-size: 2rem;
            color: #f0f0f0;
            padding-top: var(--spacing-sm);
            border-top: 1px solid #444;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-primary);
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: var(--primary-accent);
            font-weight: 700;
        }
        em {
            color: var(--text-secondary);
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, rgba(58, 80, 107, 0.2), transparent);
            padding: var(--spacing-md);
            border-left: 4px solid var(--primary-accent);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: var(--spacing-lg);
        }
        ul, ol {
            padding-left: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
        }
        li {
            margin-bottom: 0.5rem;
        }
        .info-box {
            background-color: rgba(58, 80, 107, 0.3);
            border-left: 4px solid var(--secondary-accent);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight {
            background-color: rgba(197, 162, 103, 0.1);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .data-point {
            display: inline-block;
            background-color: var(--primary-dark);
            color: var(--primary-accent);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-family: monospace;
            font-weight: bold;
            margin: 0 0.2rem;
        }
        .figure {
            margin: var(--spacing-lg) 0;
            text-align: center;
        }
        .figure img {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
            border: 1px solid #444;
        }
        .caption {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: var(--spacing-xs);
            font-style: italic;
        }
        .search-widget {
            background-color: var(--background-light);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-md);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 1px solid #444;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            background-color: #2a2a30;
            color: var(--text-primary);
        }
        .search-button {
            background-color: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #e0c189;
        }
        .rating-section, .comment-section {
            background-color: var(--background-light);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-top: var(--spacing-lg);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #555;
            margin-bottom: var(--spacing-sm);
        }
        .star-rating .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: gold;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: bold;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 1px solid #444;
            border-radius: var(--border-radius);
            background-color: #2a2a30;
            color: var(--text-primary);
            font-family: var(--font-body);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            align-self: flex-start;
            transition: background-color 0.3s;
        }
        .submit-button:hover {
            background-color: #4a6a8b;
        }
        .widget {
            margin-bottom: var(--spacing-lg);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary-accent);
            border-bottom: 1px solid #444;
            padding-bottom: var(--spacing-xs);
            margin-bottom: var(--spacing-sm);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
        }
        .stat-card {
            background-color: var(--background-light);
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            text-align: center;
        }
        .stat-value {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .site-footer {
            background-color: #0a0a0c;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
            border-top: 1px solid #333;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            margin-bottom: var(--spacing-lg);
        }
        .friend-link {
            background-color: var(--background-light);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .friend-link:hover {
            background-color: var(--secondary-accent);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding-top: var(--spacing-md);
            border-top: 1px solid #333;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--primary-dark);
                padding: var(--spacing-md);
                border-top: 1px solid #333;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-content, .sidebar {
                padding: var(--spacing-md);
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }