:root {
            --primary: #1a5fb4;
            --primary-dark: #1c3c5c;
            --accent: #e6a400;
            --light: #f5f7fa;
            --dark: #2c3e50;
            --grey: #7f8c8d;
            --success: #27ae60;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            padding-top: 80px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        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(--dark);
            color: white;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            color: #ecf0f1;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--accent);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-dark);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--grey);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #aaa;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--light);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--grey);
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .hero-image {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
        }
        .hero-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .image-caption {
            background: rgba(0,0,0,0.7);
            color: white;
            padding: 10px 15px;
            font-size: 0.9rem;
            text-align: center;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        .article-body h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 25px 0 12px;
        }
        .article-body p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary-dark);
        }
        .info-box {
            background-color: #e8f4fc;
            border-left: 5px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .warning-box {
            background-color: #fef9e7;
            border-left: 5px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .code-block {
            background-color: #2d3748;
            color: #e2e8f0;
            padding: 20px;
            border-radius: var(--radius);
            font-family: monospace;
            margin: 20px 0;
            overflow-x: auto;
            white-space: pre-wrap;
        }
        .car-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .car-card {
            background: var(--light);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .car-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .car-card img {
            height: 160px;
            width: 100%;
            object-fit: cover;
        }
        .car-card-content {
            padding: 15px;
        }
        .car-card h4 {
            margin: 0 0 10px;
            font-size: 1.2rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .rating-widget .stars i {
            color: #ddd;
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget .stars i.active,
        .rating-widget .stars i:hover {
            color: #f1c40f;
        }
        .rating-form input,
        .rating-form textarea,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .rating-form button,
        .comment-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            color: var(--dark);
            display: flex;
            align-items: center;
        }
        .related-links a:hover {
            color: var(--primary);
        }
        .related-links i {
            margin-right: 10px;
            color: var(--primary);
        }
        .comments-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid var(--light);
        }
        .comment {
            background: var(--light);
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 20px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--grey);
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary-dark);
        }
        .site-footer {
            background-color: var(--dark);
            color: #ecf0f1;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 12px 15px;
            margin: 8px 0;
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            .header-container {
                padding: 12px 15px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 25px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .hero-image img {
                height: 250px;
            }
            .article-body h2 {
                font-size: 1.7rem;
            }
            .article-body h3 {
                font-size: 1.4rem;
            }
            .sidebar-widget {
                padding: 20px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 { margin-bottom: 20px; }
        .mt-30 { margin-top: 30px; }
        .py-20 { padding: 20px 0; }
        .emoji { font-size: 1.2em; }