        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --f1-red: #e10600;
            --f1-dark: #15151e;
            --f1-grey: #1e1e28;
            --f1-light: #f5f5f7;
            --f1-accent: #ff6b6b;
            --f1-text: #2d2d3a;
            --f1-border: #e0e0e8;
            --max-width: 1280px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: var(--f1-text);
            background: var(--f1-light);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--f1-red);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--f1-accent);
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: .4rem;
        }
        h1 {
            font-size: clamp(1.9rem, 4vw, 3rem);
            color: var(--f1-dark);
            line-height: 1.2;
            margin-bottom: 1rem;
            font-weight: 800;
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--f1-red);
            margin: 2.5rem 0 1rem;
            padding-bottom: .5rem;
            border-bottom: 3px solid var(--f1-red);
            font-weight: 700;
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            color: var(--f1-dark);
            margin: 1.8rem 0 .8rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.05rem;
            color: #444;
            margin: 1.2rem 0 .5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: var(--f1-dark);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: .8rem 1rem;
            flex-wrap: wrap;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: #fff;
            text-transform: uppercase;
        }
        .my-logo span {
            color: var(--f1-red);
        }
        .my-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .search-toggle {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.3rem;
            cursor: pointer;
            padding: .3rem .6rem;
            border-radius: 6px;
        }
        .search-toggle:hover {
            background: rgba(255, 255, 255, .15);
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: .2rem;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            color: #ddd;
            padding: .5rem .8rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: .9rem;
            transition: all .2s;
        }
        .nav-menu li a:hover {
            color: var(--f1-red);
            background: rgba(255, 255, 255, .1);
            text-decoration: none;
        }
        .nav-menu li a.active {
            color: var(--f1-red);
            background: rgba(255, 255, 255, .15);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: .3rem .6rem;
            border-radius: 6px;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, .15);
        }
        .breadcrumb {
            background: #ececf0;
            padding: .6rem 1rem;
            font-size: .85rem;
            border-bottom: 1px solid var(--f1-border);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: .4rem;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: .4rem;
            color: #888;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: var(--f1-red);
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            padding: 3rem 1rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: -30px;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--f1-light);
            border-radius: 50% 50% 0 0;
        }
        .hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            text-shadow: 0 4px 20px rgba(225, 6, 0, .5);
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 1.5rem;
            color: rgba(255, 255, 255, .85);
        }
        .hero-badge {
            display: inline-block;
            background: var(--f1-red);
            color: #fff;
            padding: .3rem 1rem;
            border-radius: 50px;
            font-size: .85rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .search-bar {
            display: flex;
            justify-content: center;
            max-width: 600px;
            margin: 2rem auto 0;
            background: #fff;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .2);
            overflow: hidden;
        }
        .search-bar input {
            flex: 1;
            border: none;
            padding: .8rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-bar button {
            background: var(--f1-red);
            color: #fff;
            border: none;
            padding: .8rem 1.5rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background .2s;
        }
        .search-bar button:hover {
            background: #c00500;
        }
        .search-bar button i {
            margin-right: .4rem;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            padding: 2rem 1rem;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .content-area {
            background: #fff;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
            border: 1px solid var(--f1-border);
        }
        .card h3 {
            margin-top: 0;
            border-bottom: 2px solid var(--f1-red);
            padding-bottom: .5rem;
        }
        .table-wrapper {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 8px;
            border: 1px solid var(--f1-border);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .92rem;
            min-width: 500px;
        }
        table th,
        table td {
            padding: .7rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--f1-border);
        }
        table th {
            background: var(--f1-dark);
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }
        table tr:nth-child(even) {
            background: #f8f8fc;
        }
        table tr:hover {
            background: #f0f0f8;
        }
        .info-box {
            background: #fff8f8;
            border-left: 4px solid var(--f1-red);
            padding: 1rem 1.2rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .info-box h4 {
            color: var(--f1-red);
            margin-bottom: .4rem;
        }
        .article-img {
            border-radius: 12px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .1);
        }
        .article-img img {
            width: 100%;
            object-fit: cover;
        }
        .article-img figcaption {
            padding: .6rem 1rem;
            background: #f0f0f5;
            font-size: .85rem;
            color: #666;
            text-align: center;
        }
        .comment-form,
        .score-form {
            display: grid;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: .3rem;
            font-size: .9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: .7rem;
            border: 1px solid var(--f1-border);
            border-radius: 8px;
            font-family: inherit;
            font-size: .95rem;
            transition: border-color .2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--f1-red);
        }
        .btn-submit {
            background: var(--f1-red);
            color: #fff;
            border: none;
            padding: .8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s;
            font-size: 1rem;
            width: fit-content;
        }
        .btn-submit:hover {
            background: #c00500;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(225, 6, 0, .3);
        }
        .star-rating {
            display: flex;
            gap: .2rem;
            font-size: 1.5rem;
            color: #ccc;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color .2s;
            color: #ccc;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffc107;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
            padding: 1rem 0;
            margin-top: 1rem;
            border-top: 2px solid #eee;
        }
        friend-link a {
            background: #f0f0f5;
            padding: .3rem 1rem;
            border-radius: 50px;
            font-size: .85rem;
        }
        friend-link a:hover {
            background: var(--f1-red);
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            background: var(--f1-dark);
            color: #aaa;
            padding: 2rem 1rem 1rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: .85rem;
        }
        .footer-bottom p {
            margin: .3rem 0;
        }
        .widget {
            background: #fff;
            border-radius: 12px;
            padding: 1.2rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
        }
        .widget h3 {
            font-size: 1.1rem;
            margin-bottom: .8rem;
            border-bottom: 2px solid var(--f1-red);
            padding-bottom: .4rem;
        }
        .widget ul {
            list-style: none;
            padding: 0;
        }
        .widget ul li {
            margin-bottom: .4rem;
        }
        .widget ul li a {
            color: #333;
            font-size: .9rem;
        }
        .widget ul li a:hover {
            color: var(--f1-red);
        }
        @media (max-width: 960px) {
            .main-grid {
                grid-template-columns: 1fr;
                padding: 1rem;
            }
            .content-area {
                padding: 1.2rem;
                border-radius: 0;
            }
            .header-inner {
                padding: .6rem 1rem;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--f1-dark);
                padding: .5rem 0;
                border-top: 1px solid #333;
            }
            .nav-menu.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .search-toggle {
                display: none;
            }
            .hero {
                padding: 2rem 1rem;
            }
            .table-wrapper {
                min-width: 100%;
            }
            table {
                min-width: 400px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .content-area {
                padding: 1rem;
            }
            .card {
                padding: 1rem;
            }
            .hero-badge {
                font-size: .7rem;
            }
            .search-bar {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-bar button {
                width: 100%;
                border-radius: 0;
            }
        }
