:root {
            --primary: #E10600;
            --secondary: #1E1E1E;
            --accent: #00B4F1;
            --light: #F5F5F5;
            --dark: #121212;
            --gray: #2A2A2A;
            --text: #E0E0E0;
            --text-light: #A0A0A0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            --radius: 12px;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--dark);
            background-image: radial-gradient(circle at 20% 30%, var(--gray) 0%, transparent 20%),
                              radial-gradient(circle at 80% 80%, var(--secondary) 0%, transparent 20%);
            background-attachment: fixed;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(30, 30, 30, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary);
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--accent);
        }
        .logo:hover {
            text-decoration: none;
            transform: scale(1.03);
        }
        .logo i {
            font-size: 2rem;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--gray);
            background: var(--secondary);
            color: var(--text);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 241, 0.2);
        }
        .search-button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #ff1a1a;
            transform: translateY(-1px);
        }
        nav {
            background-color: rgba(20, 20, 20, 0.98);
            padding: 10px 0;
            border-top: 1px solid var(--gray);
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: 30px;
        }
        .nav-desktop a {
            color: var(--text);
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-desktop a:hover {
            background-color: var(--primary);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .nav-desktop a.active {
            background-color: var(--accent);
            color: var(--dark);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--secondary);
            padding: 20px;
            border-top: 1px solid var(--gray);
            box-shadow: inset 0 5px 10px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px;
            border-bottom: 1px solid var(--gray);
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-nav a:hover {
            background-color: var(--primary);
            color: white;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background: linear-gradient(90deg, var(--secondary) 0%, rgba(30,30,30,0.8) 100%);
            border-bottom: 1px solid var(--gray);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--accent);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        main {
            padding: 40px 0;
            min-height: 1500px;
        }
        article {
            background: rgba(30, 30, 30, 0.8);
            border-radius: var(--radius);
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray);
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 30px;
        }
        h1 {
            font-size: 3.2rem;
            color: white;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--text-light);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .key-findings {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--gray) 100%);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 40px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .key-findings h3 {
            color: var(--accent);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .key-findings ul {
            list-style: none;
            padding-left: 10px;
        }
        .key-findings li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .key-findings li:before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
            flex-shrink: 0;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--accent);
            margin: 50px 0 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--primary);
        }
        h3 {
            font-size: 1.8rem;
            color: white;
            margin: 35px 0 20px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(225,6,0,0.1) 0%, transparent 100%);
            border-left: 4px solid var(--primary);
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight strong {
            color: var(--primary);
            font-size: 1.1em;
        }
        .image-container {
            margin: 40px 0;
            text-align: center;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: 0 15px 35px rgba(0,0,0,0.5);
            border: 3px solid var(--gray);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: 0 20px 40px rgba(225,6,0,0.2);
        }
        .image-caption {
            color: var(--text-light);
            font-style: italic;
            margin-top: 15px;
            font-size: 0.95rem;
            padding: 0 20px;
        }
        .comparison-table {
            width: 100%;
            margin: 40px 0;
            border-collapse: collapse;
            background: var(--secondary);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .comparison-table th {
            background: var(--primary);
            color: white;
            padding: 20px;
            text-align: left;
            font-weight: 700;
        }
        .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--gray);
        }
        .comparison-table tr:nth-child(even) {
            background-color: rgba(255,255,255,0.03);
        }
        .comparison-table tr:hover {
            background-color: rgba(0, 180, 241, 0.1);
        }
        .rating-badge {
            display: inline-block;
            background: linear-gradient(45deg, var(--primary), #ff6b6b);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            margin: 0 10px;
            box-shadow: 0 4px 10px rgba(225,6,0,0.3);
        }
        .interactive-section {
            background: linear-gradient(145deg, var(--secondary), var(--dark));
            border-radius: var(--radius);
            padding: 30px;
            margin: 50px 0;
            border: 1px solid var(--gray);
            box-shadow: var(--shadow);
        }
        .tab-container {
            margin-top: 30px;
        }
        .tabs {
            display: flex;
            border-bottom: 2px solid var(--gray);
            overflow-x: auto;
        }
        .tab-button {
            background: none;
            border: none;
            color: var(--text-light);
            padding: 15px 25px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
        }
        .tab-button:hover {
            color: var(--accent);
            background: rgba(0, 180, 241, 0.05);
        }
        .tab-button.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: rgba(225, 6, 0, 0.05);
        }
        .tab-content {
            padding: 30px 0;
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }
        .comment-form, .rating-form {
            background: rgba(20, 20, 20, 0.9);
            padding: 30px;
            border-radius: var(--radius);
            border: 1px solid var(--gray);
            box-shadow: var(--shadow);
        }
        .form-title {
            color: var(--accent);
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 14px;
            background: var(--secondary);
            border: 2px solid var(--gray);
            border-radius: 8px;
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 241, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #FFD700;
        }
        .submit-button {
            background: linear-gradient(45deg, var(--primary), #ff3c3c);
            color: white;
            border: none;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(225, 6, 0, 0.3);
            background: linear-gradient(45deg, #ff1a1a, #ff6b6b);
        }
        .footer-links {
            background: linear-gradient(to bottom, var(--secondary), var(--dark));
            padding: 50px 0 30px;
            border-top: 3px solid var(--primary);
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.03);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--gray);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(225, 6, 0, 0.1);
            border-color: var(--primary);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--text);
            display: block;
            font-weight: 600;
            padding: 8px 0;
        }
        .web-link a:hover {
            color: var(--accent);
            text-decoration: none;
            padding-left: 10px;
        }
        footer {
            background-color: var(--secondary);
            padding: 40px 0 20px;
            border-top: 1px solid var(--gray);
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            color: var(--primary);
            font-weight: 900;
            margin-bottom: 20px;
            display: block;
        }
        .copyright {
            text-align: center;
            color: var(--text-light);
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid var(--gray);
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.6rem; }
            .header-top { flex-direction: column; gap: 20px; }
            .search-form { max-width: 100%; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .article-meta { flex-direction: column; gap: 15px; align-items: center; }
            .user-interaction { grid-template-columns: 1fr; }
            .comparison-table { font-size: 0.9rem; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            article { padding: 25px; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            .tabs { flex-wrap: wrap; }
            .tab-button { flex: 1; min-width: 120px; text-align: center; }
            .footer-content { flex-direction: column; }
            .web-link-container { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .logo { font-size: 2rem; }
            .article-meta span { flex-direction: column; gap: 5px; }
            .key-findings { padding: 20px; }
            .interactive-section { padding: 20px; }
            .web-link-container { grid-template-columns: 1fr; }
        }
        @media print {
            header, nav, .breadcrumb, .user-interaction, .footer-links, footer, .search-form, .hamburger {
                display: none;
            }
            body { background: white; color: black; }
            article { box-shadow: none; border: 1px solid #ddd; }
            a { color: #0066cc; }
        }