*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0b0b0d;
            color: #e8e6e3;
            line-height: 1.75;
            padding: 0 16px;
        }
        a {
            color: #e10600;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ff4d3a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        .site-header {
            background: #151518;
            padding: 18px 0;
            border-bottom: 3px solid #e10600;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
            background: rgba(21, 21, 24, 0.97);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #e10600, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px rgba(225, 6, 0, 0.25);
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #e10600;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e10600;
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #ccc;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            color: #fff;
            border-bottom-color: #e10600;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #e10600;
            border-bottom-color: #e10600;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #1c1c22;
                padding: 16px 20px;
                border-radius: 12px;
                margin-top: 12px;
                border: 1px solid #2a2a32;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                border-bottom: 1px solid #2a2a32;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
        }
        .breadcrumb {
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: #888;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
        }
        .breadcrumb a {
            color: #e10600;
        }
        .breadcrumb span {
            color: #666;
        }
        main {
            padding: 20px 0 40px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin: 0 0 20px;
            background: linear-gradient(135deg, #fff 40%, #e10600);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #f0f0f0;
            margin: 48px 0 18px;
            border-left: 6px solid #e10600;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #e8e6e3;
            margin: 32px 0 14px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #ddd;
            margin: 24px 0 10px;
        }
        p {
            margin-bottom: 1.2rem;
            color: #d5d3d0;
        }
        .lead {
            font-size: 1.2rem;
            color: #f0eeeb;
            font-weight: 400;
            border-left: 4px solid #e10600;
            padding-left: 20px;
            margin-bottom: 28px;
        }
        strong,
        b {
            color: #fff;
            font-weight: 700;
        }
        .highlight-box {
            background: #1c1c24;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 32px 0;
            border-left: 6px solid #e10600;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .highlight-box p {
            margin-bottom: 0.6rem;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(225, 6, 0, 0.15);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.4s ease;
        }
        .featured-image:hover img {
            transform: scale(1.02);
        }
        .featured-image figcaption {
            background: #151518;
            padding: 12px 20px;
            font-size: 0.85rem;
            color: #999;
            text-align: center;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            background: #151518;
            border-radius: 12px;
            overflow: hidden;
        }
        .data-table th {
            background: #1a1a22;
            color: #e10600;
            font-weight: 700;
            padding: 14px 18px;
            text-align: left;
            border-bottom: 2px solid #2a2a32;
        }
        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #22222a;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #1e1e28;
        }
        .form-card {
            background: #151518;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 32px 0;
            border: 1px solid #2a2a32;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #ccc;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            background: #1c1c24;
            border: 1px solid #333;
            border-radius: 8px;
            color: #e8e6e3;
            font-size: 1rem;
            transition: border 0.25s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #e10600;
            box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.15);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            display: inline-block;
            background: #e10600;
            color: #fff;
            font-weight: 700;
            padding: 12px 32px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.25s;
        }
        .btn:hover {
            background: #ff1a0a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(225, 6, 0, 0.3);
            text-decoration: none;
        }
        .btn-secondary {
            background: #2a2a32;
        }
        .btn-secondary:hover {
            background: #3a3a44;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #444;
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffc107;
        }
        .comment-item {
            background: #1c1c24;
            border-radius: 12px;
            padding: 18px 22px;
            margin-bottom: 16px;
            border-left: 4px solid #e10600;
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #888;
            display: flex;
            gap: 12px;
            margin-bottom: 6px;
        }
        .comment-item .name {
            font-weight: 700;
            color: #e8e6e3;
        }
        friend-link {
            display: block;
            margin: 24px 0;
            padding: 20px 0;
            border-top: 1px solid #2a2a32;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            color: #e10600;
            font-weight: 500;
        }
        .site-footer {
            background: #0f0f12;
            padding: 32px 0 20px;
            border-top: 2px solid #1e1e26;
            text-align: center;
        }
        .site-footer p {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .site-footer .copyright {
            color: #666;
            font-size: 0.8rem;
            margin-top: 12px;
        }
        @media (max-width: 600px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .form-card {
                padding: 18px 16px;
            }
            .highlight-box {
                padding: 18px 16px;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .emoji-big {
            font-size: 1.4em;
            margin-right: 4px;
        }
        .tag {
            display: inline-block;
            background: #1c1c24;
            color: #e10600;
            font-size: 0.8rem;
            padding: 2px 12px;
            border-radius: 20px;
            border: 1px solid #2a2a32;
            margin: 2px 4px 2px 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 640px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .pro-tip {
            background: #1a1a22;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 20px 0;
            border: 1px dashed #e10600;
        }
        .pro-tip::before {
            content: "🏎️ PRO TIP ";
            font-weight: 700;
            color: #e10600;
            display: block;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }