:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #f6ad55;
            --text-dark: #2d3748;
            --text-light: #718096;
            --bg-light: #f7fafc;
            --bg-dark: #1a202c;
            --border-color: #cbd5e0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: white;
        }
        .logo span {
            color: var(--accent-color);
        }
        .desktop-nav ul {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--accent-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--bg-dark);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .main-content {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            line-height: 1.3;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary-color), #2d3748);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
        }
        .stat-card i {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--accent-color);
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background-color: #f1f5f9;
            color: var(--text-light);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
        }
        button, .btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            text-align: center;
        }
        button:hover, .btn:hover {
            background-color: #c53030;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
        }
        .tab-container {
            margin: 2rem 0;
        }
        .tab-buttons {
            display: flex;
            border-bottom: 2px solid var(--border-color);
        }
        .tab-btn {
            padding: 1rem 1.5rem;
            background: none;
            border: none;
            font-weight: 600;
            color: var(--text-light);
            cursor: pointer;
            position: relative;
        }
        .tab-btn.active {
            color: var(--secondary-color);
        }
        .tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--secondary-color);
        }
        .tab-content {
            padding: 1.5rem 0;
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 5px;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-header {
            padding: 1.2rem;
            background-color: #f8fafc;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .accordion-header:hover {
            background-color: #edf2f7;
        }
        .accordion-content {
            padding: 0 1.2rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .accordion-item.active .accordion-content {
            padding: 1.2rem;
            max-height: 1000px;
        }
        .footer-links {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem 0.5rem 0;
            padding: 0.6rem 1.2rem;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--accent-color);
            color: var(--primary-color);
            transform: translateY(-3px);
        }
        .copyright {
            background-color: var(--bg-dark);
            color: #a0aec0;
            text-align: center;
            padding: 1.5rem;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-content {
                gap: 2rem;
            }
        }