* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #e10600; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #9b0000; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, #000 0%, #1e1e1e 100%);
            color: #fff;
            padding: 1rem 0;
            border-bottom: 4px solid #e10600;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Formula1', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #e10600; }
        .my-logo:hover { color: #e10600; text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: #e10600;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #e10600;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #e10600; }
        .breadcrumb .separator { margin: 0 8px; color: #888; }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .article-grid { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        article h1 {
            font-size: 2.8rem;
            color: #000;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #e10600;
            padding-left: 1rem;
        }
        article h2 {
            font-size: 2rem;
            color: #1a1a1a;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eaeaea;
        }
        article h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            color: #444;
        }
        article strong { color: #000; font-weight: 700; }
        article em { font-style: italic; color: #666; }
        .lead {
            font-size: 1.3rem;
            color: #222;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #e10600;
            margin-bottom: 2.5rem;
        }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 1px solid #eee;
        }
        .content-highlight {
            background: linear-gradient(120deg, #fff8e1 0%, #f3e5f5 100%);
            padding: 2rem;
            border-radius: 12px;
            margin: 2.5rem 0;
            border: 1px dashed #e10600;
        }
        .update-time {
            display: inline-block;
            background: #e10600;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            margin: 1rem 0 2rem;
            font-weight: 600;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: #000;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e10600;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { font-weight: 600; margin-bottom: 0.3rem; color: #555; }
        .form-group input, .form-group textarea, .form-group select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            outline: none;
            border-color: #e10600;
            box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);
        }
        .btn {
            background: #e10600;
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            text-align: center;
        }
        .btn:hover {
            background: #b30500;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .stars { display: flex; gap: 0.5rem; font-size: 1.5rem; color: #ffc107; }
        .star { cursor: pointer; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; padding-left: 1.5rem; position: relative; }
        .related-links li::before {
            content: '🏎️';
            position: absolute;
            left: 0;
            top: 2px;
        }
        .site-footer {
            background: #000;
            color: #ccc;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-logo { font-size: 1.8rem; font-weight: 700; color: white; margin-bottom: 1rem; }
        .footer-links h4 { color: white; margin-bottom: 1.2rem; font-size: 1.2rem; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #aaa; }
        .footer-links a:hover { color: #e10600; }
        friend-link {
            display: block;
            background: #1a1a1a;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        friend-link a {
            color: #4fc3f7;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav { display: none; width: 100%; }
            .main-nav.active {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                background: #000;
                width: 100%;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                flex-direction: column;
                gap: 0;
                padding: 0 20px;
            }
            .main-nav.active li { width: 100%; }
            .main-nav.active a {
                display: block;
                padding: 0.8rem 0;
                border-bottom: 1px solid #333;
            }
            .header-container { flex-wrap: wrap; }
            article { padding: 2rem 1.5rem; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.8rem; }
        }