*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --f1-red: #e10600;
            --dark: #0f0f1a;
            --dark-2: #161625;
            --grey: #f5f5f5;
            --text: #2b2b2b;
            --muted: #6b6b6b;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            color: var(--text);
            background: #fff;
            line-height: 1.7;
        }
        body.nav-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--f1-red);
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        .page-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            background: #fff;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, #1c1c2e 100%);
            padding: 0 24px;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1320px;
            margin: auto;
            flex-wrap: wrap;
        }
        .my-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 28px;
            font-weight: 900;
            letter-spacing: -1px;
            color: #fff !important;
            text-decoration: none;
            padding: 12px 0;
            text-transform: uppercase;
        }
        .my-logo i {
            color: var(--f1-red);
        }
        .my-logo span.lg-text {
            background: linear-gradient(90deg, #fff 30%, var(--f1-red) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .main-nav a {
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px;
            border-radius: 30px;
            transition: .2s;
        }
        .main-nav a:hover {
            background: rgba(225, 6, 0, .15);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            font-size: 28px;
            color: #fff;
            cursor: pointer;
        }
        .breadcrumbs {
            background: var(--grey);
            font-size: 13px;
            padding: 8px 24px;
        }
        .breadcrumbs ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            max-width: 1320px;
            margin: auto;
        }
        .breadcrumbs li+li:before {
            content: "›";
            margin-right: 6px;
            color: var(--muted);
        }
        .breadcrumbs a {
            color: var(--muted);
        }
        .breadcrumbs a:hover {
            color: var(--f1-red);
        }
        .breadcrumbs .current {
            color: var(--text);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f0f1a 0%, #2a0a10 70%, #e10600 140%);
            color: #fff;
            text-align: center;
            padding: 64px 24px 70px;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(transparent, #fff);
        }
        .hero h1 {
            font-size: clamp(34px, 6vw, 72px);
            font-weight: 900;
            line-height: 1.1;
            text-transform: uppercase;
            letter-spacing: -1px;
            margin-bottom: 12px;
            text-shadow: 0 6px 40px rgba(225, 6, 0, .3);
        }
        .hero .subhead {
            font-size: clamp(15px, 2.4vw, 22px);
            color: rgba(255, 255, 255, .8);
            max-width: 750px;
            margin: 0 auto 36px;
            font-weight: 300;
        }
        .hero-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-badges span {
            background: rgba(255, 255, 255, .1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, .25);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 14px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            max-width: 1320px;
            margin: 0 auto;
            padding: 48px 24px;
        }
        @media(max-width:991px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            min-width: 0;
        }
        .article-body section {
            margin-bottom: 44px;
        }
        .article-body h2 {
            font-size: 30px;
            font-weight: 800;
            border-bottom: 3px solid var(--f1-red);
            display: inline-block;
            padding-bottom: 4px;
            margin: 40px 0 16px;
            line-height: 1.2;
        }
        .article-body h3 {
            font-size: 23px;
            font-weight: 700;
            margin: 28px 0 12px;
        }
        .article-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: #111;
            margin: 20px 0 8px;
        }
        .article-body p {
            margin-bottom: 14px;
        }
        .intro-highlight {
            background: linear-gradient(to right, var(--grey), #fff);
            border-left: 4px solid var(--f1-red);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            font-size: 18px;
            margin: 24px 0;
            line-height: 1.8;
        }
        .featured-img {
            border-radius: 14px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, .1);
            margin: 24px 0;
        }
        .featured-img img {
            border-radius: 14px;
            width: 100%;
            object-fit: cover;
        }
        .featured-img figcaption {
            font-size: 12px;
            color: var(--muted);
            text-align: center;
            padding: 8px 0;
        }
        .list-star {
            list-style: none;
            padding: 0;
            margin: 12px 0 18px;
        }
        .list-star li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 6px;
        }
        .list-star li::before {
            content: "\f005";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--f1-red);
            font-size: 13px;
            position: absolute;
            left: 0;
            top: 4px;
        }
        .callout-box {
            background: var(--dark);
            color: #fff;
            padding: 24px 28px;
            border-radius: 16px;
            margin: 26px 0;
            border-left: 6px solid var(--f1-red);
        }
        .callout-box p {
            color: rgba(255, 255, 255, .8);
        }
        .callout-box strong {
            color: #fff;
        }
        .table-responsive {
            overflow-x: auto;
            margin: 20px 0;
        }
        table.compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 14px;
            min-width: 560px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
            border-radius: 8px;
        }
        .compare-table th {
            background: var(--dark);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
        }
        .compare-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #eef0f2;
        }
        .compare-table tr:hover td {
            background: #fafafa;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-widget {
            background: var(--grey);
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            position: sticky;
            top: 90px;
        }
        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
            border-left: 3px solid var(--f1-red);
            padding-left: 12px;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: 10px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 10px;
            border-radius: 8px;
            transition: .2s;
        }
        .sidebar-links a:hover {
            background: #fff;
            color: var(--f1-red);
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
        }
        .sidebar-links i {
            color: var(--f1-red);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }
        .comment-area {
            background: var(--grey);
            border-radius: 16px;
            padding: 28px;
            margin: 30px 0;
        }
        .comment-area form {
            display: grid;
            gap: 12px;
        }
        .comment-area input,
        .comment-area textarea {
            padding: 14px 16px;
            border: 1px solid #e2e2e2;
            border-radius: 10px;
            font-family: inherit;
            font-size: 15px;
        }
        .comment-area textarea {
            min-height: 120px;
        }
        .btn-primary {
            background: var(--f1-red);
            color: #fff;
            border: none;
            padding: 12px 26px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: .3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            justify-content: center;
        }
        .btn-primary:hover {
            background: #be0500;
            transform: scale(1.02);
        }
        .rating-select {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-start;
            gap: 4px;
            margin: 10px 0;
        }
        .rating-select input {
            display: none;
        }
        .rating-select label {
            font-size: 30px;
            color: #ccc;
            cursor: pointer;
            transition: .2s;
        }
        .rating-select input:checked~label,
        .rating-select label:hover,
        .rating-select label:hover~label {
            color: #f5b301;
        }
        .search-bar {
            display: flex;
            gap: 0;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
            margin: 10px 0;
        }
        .search-bar input {
            flex: 1;
            border: 1px solid #e2e2e2;
            padding: 14px 20px;
            font-size: 15px;
            border-right: none;
            outline: none;
        }
        .search-bar button {
            background: var(--f1-red);
            border: none;
            color: #fff;
            padding: 0 26px;
            font-size: 16px;
            cursor: pointer;
        }
        .faq-item {
            border: 1px solid #eee;
            border-radius: 12px;
            padding: 16px 20px;
            margin: 10px 0;
            background: #fcfcfc;
        }
        .faq-item summary {
            font-weight: 600;
            cursor: pointer;
            color: #111;
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .8);
            padding: 50px 24px 20px;
            margin-top: 30px;
        }
        .footer-inner {
            max-width: 1320px;
            margin: auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-inner h3 {
            color: #fff;
            margin-bottom: 16px;
            font-size: 18px;
        }
        .footer-inner a {
            color: rgba(255, 255, 255, .7);
        }
        .footer-inner a:hover {
            color: #fff;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        friend-link {
            display: inline;
            font-weight: normal;
        }
        friend-link a {
            margin: 0 6px;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: var(--dark);
                padding: 10px 20px 18px;
                border-radius: 0 0 16px 16px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 10px;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
            }
            .content-grid {
                padding: 28px 16px;
                gap: 20px;
            }
            .sidebar-widget {
                position: static;
            }
            .article-body h2 {
                font-size: 24px;
            }
        }
        @media(min-width:769px) {
            .main-nav {
                display: flex !important;
            }
        }