*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --f1-red: #E10600;
            --f1-dark: #15151E;
            --f1-grey: #2D2D3A;
            --bg-light: #F4F4F6;
            --text-main: #1A1A2E;
            --text-muted: #5A5A6E;
            --white: #FFFFFF;
            --accent-gold: #C9A900;
            --border-radius: 12px;
            --box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--f1-dark);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .header-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--white);
            text-decoration: none;
            background: linear-gradient(135deg, var(--f1-red), #FF4D3C);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo span {
            font-size: 1rem;
            display: block;
            color: var(--text-muted);
            -webkit-text-fill-color: var(--text-muted);
            letter-spacing: 1px;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 18px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--f1-red);
            color: var(--white);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            cursor: pointer;
            line-height: 1;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 10px 14px;
                border-radius: 4px;
            }
            .hamburger {
                display: block;
            }
            .header-flex {
                align-items: center;
            }
        }
        .breadcrumbs {
            background: var(--white);
            padding: 10px 0;
            border-bottom: 1px solid #E5E5EA;
            font-size: 0.85rem;
        }
        .breadcrumbs .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumbs a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumbs a:hover {
            color: var(--f1-red);
        }
        .breadcrumbs .separator {
            color: #CCC;
        }
        .breadcrumbs .current {
            color: var(--text-main);
            font-weight: 600;
        }
        .search-bar {
            background: var(--white);
            padding: 20px 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 0;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #E0E0E5;
            border-right: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--f1-red);
        }
        .search-form button {
            background: var(--f1-red);
            color: var(--white);
            border: none;
            padding: 0 22px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #B50500;
        }
        .main-wrapper {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }
        @media (min-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr 320px;
            }
        }
        .article-body {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--box-shadow);
        }
        .article-body h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .article-body .subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            font-weight: 400;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 12px 0;
            margin-bottom: 24px;
            border-bottom: 1px solid #EFEFF2;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--f1-red);
        }
        .article-body p {
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin: 40px 0 14px;
            padding-top: 12px;
            border-top: 2px solid #F0F0F2;
            color: var(--text-main);
        }
        .article-body h3 {
            font-size: 1.4rem;
            margin: 28px 0 10px;
            color: var(--text-main);
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin: 20px 0 8px;
            color: var(--text-main);
        }
        .highlight-box {
            background: linear-gradient(135deg, #FFF5F4, #FFE8E6);
            border-left: 4px solid var(--f1-red);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box strong {
            color: var(--f1-red);
        }
        .emoji-icon {
            font-style: normal;
            margin-right: 6px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .stat-card {
            background: #F8F8FA;
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            border: 1px solid #ECECEF;
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--f1-red);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .pros-cons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 20px 0;
        }
        @media (max-width: 600px) {
            .pros-cons {
                grid-template-columns: 1fr;
            }
        }
        .pros-box,
        .cons-box {
            padding: 20px;
            border-radius: 10px;
            background: #FAFAFC;
        }
        .pros-box {
            border-top: 4px solid #00A854;
        }
        .cons-box {
            border-top: 4px solid var(--f1-red);
        }
        .pros-box h4,
        .cons-box h4 {
            margin-bottom: 10px;
            font-size: 1rem;
        }
        .pros-box li,
        .cons-box li {
            margin-bottom: 6px;
            font-size: 0.9rem;
        }
        .image-wrapper {
            margin: 30px 0;
        }
        .image-wrapper img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
        }
        .image-wrapper figcaption {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .comment-form,
        .score-form {
            background: #FAFAFC;
            border-radius: 10px;
            padding: 24px;
            margin: 30px 0;
            border: 1px solid #ECECEE;
        }
        .comment-form h3,
        .score-form h3 {
            margin-bottom: 16px;
            font-size: 1.2rem;
        }
        .comment-form input,
        .comment-form textarea,
        .score-form input,
        .score-form select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #DADAE0;
            border-radius: 8px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            background: var(--white);
            transition: border-color 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .score-form input:focus,
        .score-form select:focus {
            border-color: var(--f1-red);
            outline: none;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: var(--f1-red);
            color: var(--white);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-block;
        }
        .btn-submit:hover {
            background: #B50500;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(225, 6, 0, 0.3);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--box-shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            margin-bottom: 14px;
            position: relative;
            padding-left: 14px;
        }
        .sidebar-widget h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 2px;
            bottom: 2px;
            width: 4px;
            background: var(--f1-red);
            border-radius: 4px;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: 8px;
        }
        .sidebar-links a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.9rem;
            display: block;
            padding: 6px 0;
            border-bottom: 1px solid #F0F0F2;
            transition: all 0.2s;
        }
        .sidebar-links a:hover {
            color: var(--f1-red);
            padding-left: 8px;
        }
        .site-footer {
            background: var(--f1-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: var(--white);
            margin-bottom: 14px;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.2s;
        }
        .site-footer a:hover {
            color: var(--f1-red);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        friend-link {
            display: block;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        friend-link a {
            margin-right: 16px;
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 24px 18px;
            }
            .article-body h1 {
                font-size: 1.7rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .search-form {
                max-width: 100%;
                padding: 0 10px;
            }
        }