:root {
            --f1-red: #e10600;
            --f1-black: #15151e;
            --f1-white: #ffffff;
            --f1-silver: #f2f2f2;
            --f1-grey: #38383f;
            --grid-gap: 2rem;
            --transition-speed: 0.3s;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: var(--f1-silver);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--f1-red);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }
        a:hover {
            color: var(--f1-black);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--f1-black);
            padding: 1.5rem 0;
            border-bottom: 4px solid var(--f1-red);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--f1-white);
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--f1-red);
            font-style: italic;
        }
        .breadcrumb {
            background-color: var(--f1-grey);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            color: var(--f1-silver);
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--f1-silver);
        }
        .breadcrumb a:hover {
            color: var(--f1-white);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--f1-white);
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--f1-red);
            bottom: 0;
            left: 0;
            transition: width var(--transition-speed) ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--f1-white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .search-box {
            margin: 2rem 0;
            background: var(--f1-white);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-box form {
            display: flex;
            max-width: 600px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--f1-red);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background-color var(--transition-speed) ease;
        }
        .search-box button:hover {
            background-color: var(--f1-black);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--grid-gap);
            margin: 2rem 0;
        }
        main {
            background: var(--f1-white);
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
        }
        aside {
            background: var(--f1-white);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1, h2, h3, h4 {
            color: var(--f1-black);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--f1-red);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.1rem;
            color: var(--f1-grey);
        }
        h3 {
            font-size: 1.7rem;
        }
        h4 {
            font-size: 1.3rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--f1-grey);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid #ffcc00;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 4px 4px 0;
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .float-left {
            float: left;
            width: 45%;
            margin-right: 2rem;
            margin-bottom: 1rem;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dashed currentColor;
        }
        .user-interaction {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
            border: 1px solid #eaeaea;
        }
        .user-interaction h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ffd700;
            cursor: pointer;
            font-size: 1.5rem;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-family: inherit;
        }
        .comment-form button, .score-form button {
            background-color: var(--f1-grey);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color var(--transition-speed) ease;
        }
        .comment-form button:hover, .score-form button:hover {
            background-color: var(--f1-black);
        }
        .related-links {
            margin-top: 2rem;
        }
        .related-links h4 {
            border-bottom: 2px solid var(--f1-red);
            padding-bottom: 0.5rem;
        }
        .related-links ul {
            list-style: none;
            margin-top: 1rem;
        }
        .related-links li {
            margin-bottom: 0.8rem;
        }
        .related-links a {
            display: block;
            padding: 0.8rem;
            background: #f8f8f8;
            border-radius: 4px;
            transition: all var(--transition-speed) ease;
        }
        .related-links a:hover {
            background: var(--f1-red);
            color: white;
            transform: translateX(5px);
        }
        .site-footer {
            background-color: var(--f1-black);
            color: var(--f1-silver);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--f1-white);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #aaa;
        }
        friend-link a:hover {
            color: var(--f1-white);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--f1-grey);
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            font-style: italic;
            color: #777;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .float-left {
                width: 100%;
                float: none;
                margin-right: 0;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--f1-black);
                padding: 1rem 0;
                border-top: 1px solid var(--f1-grey);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }