* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --f1-red: #E10600;
            --f1-dark: #0a0e1a;
            --f1-grey: #1e1f26;
            --f1-light: #f5f5f7;
            --accent-gold: #ffd966;
            --text-main: #d9dee8;
            --card-bg: rgba(255, 255, 255, 0.06);
            --border-glow: rgba(225, 6, 0, 0.35);
            --font-head: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--f1-dark);
            background-image: linear-gradient(145deg, #0b0f1a 0%, #060a13 100%);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 17px;
            min-height: 100vh;
        }
        .site-header {
            background: rgba(8, 12, 22, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 2px solid var(--f1-red);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            max-width: 1380px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 1.8rem;
            gap: 1rem;
        }
        .my-logo {
            font-family: var(--font-head);
            font-size: 2.1rem;
            font-weight: 800;
            text-decoration: none;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff, #f8d3d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            background: var(--f1-red);
            -webkit-text-fill-color: white;
            padding: 8px;
            border-radius: 8px;
            font-size: 1.6rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #b0b5c5;
            font-size: 0.9rem;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.75);
            display: block;
            letter-spacing: 1px;
        }
        .logo-sub {
            font-size: 0.8rem;
            color: #ffb3ae;
            margin-top: -3px;
        }
        .desktop-nav {
            display: flex;
            gap: 0.4rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .desktop-nav a {
            color: #f0f3fa;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 15px;
            border-radius: 30px;
            transition: 0.25s ease;
            border: 1px solid transparent;
        }
        .desktop-nav a:hover {
            background: rgba(225, 6, 0, 0.15);
            border-color: var(--f1-red);
            color: #ffe6e5;
        }
        .hamburger {
            display: none;
            font-size: 1.7rem;
            background: none;
            color: white;
            border: 1px solid #444;
            border-radius: 10px;
            padding: 5px 14px;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            width: 100%;
            background: #0d111c;
            padding: 1rem;
            border-top: 1px solid #2a2e3a;
        }
        .mobile-nav a {
            color: #e8ebf2;
            padding: 13px 10px;
            border-bottom: 1px solid #1b2029;
            text-decoration: none;
            font-weight: 500;
        }
        .mobile-nav a:hover {
            color: #ff817c;
        }
        .mobile-nav.show {
            display: flex;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-block;
            }
        }
        .breadcrumb-wrap {
            background: rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid #191e28;
        }
        .breadcrumb {
            max-width: 1380px;
            margin: 0 auto;
            padding: 0.7rem 1.8rem;
            font-size: 0.85rem;
            color: #99a0ac;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb li+li:before {
            content: "›";
            padding: 0 8px;
            color: #666;
        }
        .breadcrumb a {
            color: #cfd8e6;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #ff6f6a;
        }
        .container {
            max-width: 1380px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 3rem;
        }
        @media (max-width: 1100px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            min-width: 0;
        }
        .sidebar {
            position: relative;
        }
        .sidebar-inner {
            position: sticky;
            top: 100px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid #1e2936;
            border-radius: 24px;
            padding: 1.8rem 1.3rem;
            box-shadow: 0 8px 35px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 1100px) {
            .sidebar {
                display: none;
            }
        }
        .sidebar h3 {
            color: white;
            font-weight: 800;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin: 0.8rem 0;
        }
        .sidebar a {
            color: #aab3c5;
            text-decoration: none;
            font-size: 0.92rem;
            border-bottom: 1px dashed transparent;
        }
        .sidebar a:hover {
            color: #ffe6e5;
            border-bottom-color: #ff7777;
        }
        h1 {
            font-size: 3rem;
            line-height: 1.1;
            background: linear-gradient(to right, #fff, #ffdedb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 800;
            letter-spacing: -1.5px;
            margin-bottom: 0.8rem;
            font-family: var(--font-head);
        }
        h2 {
            color: #ffffff;
            font-size: 2.1rem;
            margin: 3rem 0 1.4rem 0;
            font-weight: 750;
            border-left: 6px solid var(--f1-red);
            padding-left: 18px;
            letter-spacing: -0.5px;
            font-family: var(--font-head);
        }
        h3 {
            color: #f0e4e3;
            font-size: 1.55rem;
            margin: 2rem 0 1rem;
            font-weight: 600;
            font-family: var(--font-head);
        }
        h4 {
            color: var(--accent-gold);
            font-size: 1.15rem;
            margin: 1.7rem 0 0.6rem;
            font-weight: 600;
        }
        p {
            margin: 0 0 1.4rem 0;
            color: #c4cbd8;
        }
        strong {
            color: #f2f5fa;
        }
        em {
            color: #ebc8c5;
        }
        a {
            color: #ff8a85;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        a:hover {
            color: #ffb4b0;
        }
        ul, ol {
            margin: 0 0 1.5rem 2rem;
            color: #bbc3d1;
        }
        li {
            margin-bottom: 0.4rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7);
        }
        .feature-wrap {
            margin: 2.5rem 0;
            border-radius: 24px;
            padding: 0.2rem;
            background: linear-gradient(130deg, #e1060022, #3a1e2c44);
        }
        .image-caption {
            text-align: center;
            font-size: 0.85rem;
            color: #adb8c9;
            margin: 0.8rem 0 2.5rem;
        }
        .infobox {
            background: #141a26;
            border-left: 5px solid var(--f1-red);
            border-radius: 0 18px 18px 0;
            padding: 1.5rem 2rem;
            margin: 2.4rem 0;
            position: relative;
        }
        .insight-box {
            background: linear-gradient(145deg, #10151f, #1b1f2c);
            border: 1px solid #343e52;
            border-radius: 25px;
            padding: 1.7rem 2rem;
            margin: 2.4rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 1.2rem;
            margin-bottom: 2rem;
        }
        .stat-card {
            background: rgba(225, 6, 0, 0.08);
            border-radius: 18px;
            padding: 1.2rem 1rem;
            text-align: center;
            border: 1px solid #262e3b;
        }
        .stat-card i {
            color: var(--f1-red);
            font-size: 2.4rem;
            margin-bottom: 0.3rem;
        }
        .stat-value {
            display: block;
            font-size: 2.1rem;
            font-weight: 800;
            color: #fff;
        }
        .stat-label {
            font-size: 0.85rem;
            color: #9ca7b8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .fa-ul li {
            margin: 0.8rem 0;
        }
        .btn-like {
            display: inline-block;
            background: var(--f1-red);
            color: white;
            border-radius: 40px;
            padding: 12px 25px;
            font-weight: 600;
            border: 0;
            transition: transform 0.2s;
            box-shadow: 0 5px 15px rgba(225, 6, 0, 0.25);
        }
        .btn-like:hover {
            transform: scale(1.03);
            box-shadow: 0 8px 25px rgba(225, 6, 0, 0.5);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        @media (max-width:700px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 16px;
            background: #131926;
            border: 1px solid #374256;
            color: #ebeef5;
            border-radius: 10px;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        input:focus, textarea:focus {
            outline: 2px solid #ff6b66;
        }
        button[type="submit"] {
            background: #c9200e;
            border: 0;
            color: white;
            padding: 12px 35px;
            border-radius: 60px;
            font-weight: 700;
            cursor: pointer;
            transition: 0.3s;
        }
        button[type="submit"]:hover {
            background: #e10600;
        }
        .user-comment {
            background: var(--card-bg);
            border: 1px solid #2b333f;
            padding: 1.3rem 1.7rem;
            border-radius: 16px;
            margin-bottom: 1.3rem;
        }
        .user-comment .stars {
            color: #fdcd5b;
            letter-spacing: 3px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
        }
        .site-footer {
            margin-top: 5rem;
            background: #060a12;
            border-top: 2px solid #161b26;
        }
        .footer-col {
            padding: 2.5rem 1.5rem 1rem;
            max-width: 1380px;
            margin: 0 auto;
        }
        .footer-bottom {
            border-top: 1px solid #191f28;
            padding: 1.4rem 0;
            text-align: center;
            color: #8a94a6;
            font-size: 0.9rem;
        }
        .friend-link {
            display: block;
            background: #111821;
            padding: 1.5rem;
            border-radius: 18px;
            margin: 2rem 0 1rem;
            color: #ced8e6;
        }
        .friend-link a {
            margin: 0 0.3rem;
            padding: 0.2rem 1rem;
            border: 1px solid #2c3a4e;
            border-radius: 40px;
            display: inline-block;
            background: rgba(255,255,255,0.03);
            font-weight: 500;
            color: #d2b7b5;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
        }
        th {
            background: var(--f1-red);
            color: white;
            font-weight: 700;
            text-align: left;
            padding: 11px 15px;
        }
        td {
            border-bottom: 1px solid #242d3b;
            padding: 11px 15px;
            color: #b3bdcd;
        }
        tr:nth-child(even) {
            background: rgba(255, 255, 255, 0.03);
        }
        @media (max-width: 600px) {
            .header-inner {
                padding: 0.5rem 1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            body {
                font-size: 16px;
            }
            .container {
                padding: 1.2rem;
            }
        }