:root {
            --primary: #ff9900;
            --secondary: #1a1a2e;
            --accent: #00a8cc;
            --light: #f8f9fa;
            --dark: #16213e;
            --gray: #6c757d;
            --success: #28a745;
            --danger: #dc3545;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--secondary);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            color: var(--primary);
            font-size: 1.8rem;
            font-weight: 900;
            text-decoration: none;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            font-size: 2rem;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
        }
        .desktop-nav li {
            margin-left: 25px;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            background-color: var(--primary);
            color: var(--secondary);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--dark);
            padding: 15px;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 12px;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            display: block;
            padding: 10px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--primary);
            color: var(--secondary);
        }
        .breadcrumb {
            background-color: #2d3047;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--primary);
            margin: 0 8px;
        }
        .search-box {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            padding: 40px 0;
            text-align: center;
            color: white;
            margin-bottom: 30px;
        }
        .search-box h2 {
            margin-bottom: 20px;
            font-size: 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #e68900;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid var(--primary);
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        .article-header h1 {
            color: var(--secondary);
            font-size: 2.5rem;
            margin-bottom: 10px;
            line-height: 1.2;
        }
        .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .meta span i {
            margin-right: 5px;
        }
        .article-image {
            width: 100%;
            margin: 25px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .article-image img:hover {
            transform: scale(1.03);
        }
        .article-body h2 {
            color: var(--secondary);
            margin: 30px 0 15px;
            padding-bottom: 8px;
            border-bottom: 1px dashed #ddd;
        }
        .article-body h3 {
            color: var(--dark);
            margin: 25px 0 12px;
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }
        .specs-table th, .specs-table td {
            border: 1px solid #ddd;
            padding: 15px;
            text-align: left;
        }
        .specs-table th {
            background-color: var(--secondary);
            color: white;
        }
        .specs-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .specs-table tr:hover {
            background-color: #f1f1f1;
        }
        .rating-section {
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            border: 1px solid #eee;
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: gold;
        }
        .rating-form {
            margin-top: 20px;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: #e68900;
            transform: translateY(-2px);
        }
        .btn-block {
            width: 100%;
        }
        .comments-section {
            margin-top: 40px;
        }
        .comment {
            display: flex;
            gap: 15px;
            padding: 20px;
            border-bottom: 1px solid #eee;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .comment-content h4 {
            margin-bottom: 5px;
            color: var(--secondary);
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.85rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .popular-list {
            list-style: none;
        }
        .popular-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dotted #eee;
        }
        .popular-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .popular-list a {
            color: #333;
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .popular-list a:hover {
            color: var(--primary);
        }
        .popular-list i {
            margin-right: 10px;
            color: var(--accent);
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            background-color: #f1f1f1;
            color: #555;
            padding: 8px 15px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .tag:hover {
            background-color: var(--primary);
            color: white;
        }
        .web-links {
            background-color: var(--secondary);
            padding: 40px 0;
            margin-top: 50px;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .web-links .container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #ddd;
            text-decoration: none;
            display: block;
            text-align: center;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background-color: #1a1a2e;
            color: #aaa;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #2d3047;
            color: white;
            border-radius: 50%;
            text-decoration: none;
            transition: var(--transition);
        }
        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d3047;
            font-size: 0.9rem;
            color: #777;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-input, .search-btn {
                border-radius: 0;
                padding: 15px;
            }
            .specs-table {
                display: block;
                overflow-x: auto;
            }
        }