* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --accent: #3498db;
            --light: #ecf0f1;
            --dark: #1a252f;
            --gray: #95a5a6;
            --success: #27ae60;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(26, 37, 47, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
            border-bottom: 3px solid var(--secondary);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo i {
            color: var(--accent);
        }
        .breadcrumb {
            background: rgba(255,255,255,0.05);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--light);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 8px;
            color: var(--gray);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background: rgba(231, 76, 60, 0.2);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background: rgba(231, 76, 60, 0.2);
            color: var(--secondary);
            padding-left: 25px;
        }
        main {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 30px auto;
            overflow: hidden;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 20px;
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            max-width: 800px;
        }
        article section {
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px solid #f0f0f0;
        }
        article h2 {
            color: var(--primary);
            font-size: 2.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        article h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        article p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary);
            font-weight: 700;
        }
        article em {
            background: linear-gradient(transparent 60%, rgba(52, 152, 219, 0.3) 40%);
            font-style: normal;
        }
        .highlight-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .highlight-box h3 {
            color: white;
            margin-top: 0;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .interactive-section {
            background: #f8f9fa;
            padding: 30px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            border-left: 5px solid var(--secondary);
        }
        .search-box {
            background: var(--light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .search-box h3 {
            margin-top: 0;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .search-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-form button:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        .rating-widget {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            border: 1px solid #e0e0e0;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
            transform: scale(1.2);
        }
        .rating-form button {
            background: var(--accent);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            width: 100%;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        .comments-section {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            margin-bottom: 15px;
            font-family: inherit;
            resize: vertical;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .comment-form button {
            background: var(--success);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: #219653;
            transform: translateY(-2px);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: #f8f9fa;
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 25px;
            border: 1px solid #e9ecef;
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
        }
        .related-links a {
            color: var(--dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .related-links a:hover {
            background: rgba(52, 152, 219, 0.1);
            color: var(--accent);
            padding-left: 15px;
        }
        .related-links i {
            color: var(--secondary);
        }
        .web-links {
            background: var(--dark);
            padding: 40px 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 50px;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(231, 76, 60, 0.2);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 40px 20px;
            text-align: center;
        }
        .footer-content {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .content-wrapper {
                padding: 20px;
            }
            article h2 {
                font-size: 1.8rem;
            }
            article h3 {
                font-size: 1.4rem;
            }
            .hero {
                padding: 50px 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mt-30 { margin-top: 30px; }
        .p-20 { padding: 20px; }