* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #1a2530;
            --text: #333;
            --gray: #95a5a6;
            --success: #27ae60;
            --warning: #f39c12;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: #f8f9fa;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        header {
            background-color: var(--primary);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 700;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: var(--secondary);
        }
        .logo span {
            color: var(--secondary);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-lg);
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav a:hover {
            background-color: var(--secondary);
            transform: translateY(-2px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark);
            padding: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: var(--spacing-md);
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 10px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--secondary);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: var(--spacing-xl) 0;
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto var(--spacing-lg);
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: var(--spacing-lg) auto 0;
            background: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--gray);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: var(--secondary);
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 24px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #2980b9;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        main {
            background: white;
            padding: var(--spacing-xl);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h2 {
            color: var(--primary);
            margin: var(--spacing-lg) 0 var(--spacing-md);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        article h3 {
            color: var(--secondary);
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary);
        }
        article em {
            color: var(--accent);
            font-style: italic;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 4px solid var(--warning);
            margin: var(--spacing-lg) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-container {
            margin: var(--spacing-lg) 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 8px;
            font-style: italic;
        }
        aside {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
        }
        .widget {
            margin-bottom: var(--spacing-lg);
        }
        .widget h3 {
            color: var(--primary);
            margin-bottom: var(--spacing-md);
            padding-bottom: 8px;
            border-bottom: 1px solid var(--light);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin-bottom: var(--spacing-md);
        }
        .star {
            font-size: 2rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning);
        }
        .rating-form button {
            background-color: var(--success);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #219653;
        }
        .comments {
            margin-top: var(--spacing-xl);
            background: white;
            padding: var(--spacing-xl);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .comment-form {
            display: grid;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 5px;
            font-weight: 600;
            color: var(--primary);
        }
        .form-group input,
        .form-group textarea {
            padding: 12px;
            border: 1px solid var(--gray);
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 14px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #2980b9;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            margin: var(--spacing-xl) 0;
        }
        .web-link {
            background: var(--light);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: #dfe6e9;
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        @media (max-width: 768px) {
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: var(--spacing-xl) 0;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
            width: 100%;
            font-size: 0.9rem;
            color: var(--gray);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero, main, aside, .comments {
                padding: var(--spacing-lg);
            }
            .content-wrapper {
                gap: var(--spacing-lg);
            }
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary);
            color: white;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .tag {
            display: inline-block;
            background-color: var(--light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        .stat-box {
            background: linear-gradient(135deg, #3498db, #2c3e50);
            color: white;
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 20px 0;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        .timeline {
            border-left: 3px solid var(--secondary);
            padding-left: 20px;
            margin: 30px 0;
        }
        .timeline-item {
            margin-bottom: 25px;
            position: relative;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -26px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--secondary);
        }