:root {
            --primary-dark: #0a0e17;
            --primary-blue: #1a73e8;
            --accent-cyan: #00d4ff;
            --accent-purple: #8a2be2;
            --text-primary: #ffffff;
            --text-secondary: #b0b7c3;
            --bg-card: #151f30;
            --border-color: #2a3a5a;
            --success: #00c853;
            --warning: #ff9800;
            --danger: #f44336;
            --spacing-unit: 8px;
            --border-radius: 12px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 15px 40px rgba(26, 115, 232, 0.25);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--primary-dark);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 20% 30%, rgba(26, 115, 232, 0.1) 0%, transparent 20%), radial-gradient(circle at 80% 70%, rgba(138, 43, 226, 0.1) 0%, transparent 20%);
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffffff;
            text-shadow: 0 0 8px rgba(0, 212, 255, 0.7);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 calc(var(--spacing-unit) * 3);
        }
        .site-header {
            background-color: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: calc(var(--spacing-unit) * 2) 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo:hover {
            transform: scale(1.03);
        }
        .nav-desktop {
            display: flex;
            gap: calc(var(--spacing-unit) * 4);
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: calc(var(--spacing-unit) * 1.5) 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary-blue));
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-primary);
            background: none;
            border: none;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--bg-card);
            border-top: 1px solid var(--border-color);
            flex-direction: column;
            padding: calc(var(--spacing-unit) * 3);
            gap: calc(var(--spacing-unit) * 2);
            box-shadow: var(--shadow);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            padding: calc(var(--spacing-unit) * 3) 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb span {
            margin: 0 calc(var(--spacing-unit) * 0.5);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: calc(var(--spacing-unit) * 5);
            padding: calc(var(--spacing-unit) * 4) 0;
        }
        article {
            background-color: var(--bg-card);
            border-radius: var(--border-radius);
            padding: calc(var(--spacing-unit) * 5);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        article h1 {
            font-size: 3rem;
            margin-bottom: calc(var(--spacing-unit) * 3);
            background: linear-gradient(90deg, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        article h2 {
            font-size: 2.2rem;
            margin: calc(var(--spacing-unit) * 5) 0 calc(var(--spacing-unit) * 3);
            padding-bottom: calc(var(--spacing-unit) * 2);
            border-bottom: 2px solid var(--border-color);
            color: var(--accent-cyan);
        }
        article h3 {
            font-size: 1.7rem;
            margin: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 2);
            color: var(--text-primary);
        }
        article p {
            margin-bottom: calc(var(--spacing-unit) * 3);
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        article strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        article em {
            color: var(--warning);
            font-style: italic;
        }
        .intro {
            font-size: 1.3rem;
            color: var(--text-primary) !important;
            background: rgba(26, 115, 232, 0.1);
            padding: calc(var(--spacing-unit) * 4);
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary-blue);
            margin-bottom: calc(var(--spacing-unit) * 5) !important;
        }
        .featured-img {
            width: 100%;
            border-radius: var(--border-radius);
            margin: calc(var(--spacing-unit) * 4) 0;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-img:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-blue);
        }
        .car-tier-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: calc(var(--spacing-unit) * 3);
            margin: calc(var(--spacing-unit) * 5) 0;
        }
        .tier-card {
            background: linear-gradient(145deg, rgba(30, 40, 60, 0.8), rgba(15, 25, 45, 0.8));
            border-radius: var(--border-radius);
            padding: calc(var(--spacing-unit) * 3);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .tier-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-hover);
        }
        .tier-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: calc(var(--spacing-unit) * 2);
            padding-bottom: calc(var(--spacing-unit) * 2);
            border-bottom: 1px solid var(--border-color);
        }
        .tier-s {
            color: #ff6b6b;
        }
        .tier-a {
            color: #ffa726;
        }
        .tier-b {
            color: #42a5f5;
        }
        .tier-c {
            color: #66bb6a;
        }
        .car-stats {
            display: flex;
            justify-content: space-between;
            margin-top: calc(var(--spacing-unit) * 2);
            font-size: 0.9rem;
        }
        .stat {
            text-align: center;
        }
        .stat-value {
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--accent-cyan);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: calc(var(--spacing-unit) * 4);
        }
        .widget {
            background-color: var(--bg-card);
            border-radius: var(--border-radius);
            padding: calc(var(--spacing-unit) * 4);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: calc(var(--spacing-unit) * 3);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            gap: calc(var(--spacing-unit) * 2);
        }
        .widget h3 i {
            font-size: 1.3rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: calc(var(--spacing-unit) * 2);
        }
        input, select, textarea {
            padding: calc(var(--spacing-unit) * 2.5);
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: calc(var(--border-radius) - 4px);
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        button, .btn {
            padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 4);
            background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
            color: white;
            border: none;
            border-radius: calc(var(--border-radius) - 4px);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, var(--accent-purple), var(--primary-blue));
            transform: translateY(-2px);
            box-shadow: 0 7px 20px rgba(138, 43, 226, 0.4);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: calc(var(--spacing-unit) * 1.5);
            margin: calc(var(--spacing-unit) * 2) 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--warning);
        }
        .star-rating input:checked ~ label {
            color: var(--warning);
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: calc(var(--spacing-unit) * 3);
            margin: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4);
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.03);
            padding: calc(var(--spacing-unit) * 3);
            border-radius: calc(var(--border-radius) - 4px);
            text-align: center;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(26, 115, 232, 0.1);
            border-color: var(--primary-blue);
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: #0c111f;
            border-top: 1px solid var(--border-color);
            padding: calc(var(--spacing-unit) * 6) 0;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: calc(var(--spacing-unit) * 8);
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: calc(var(--spacing-unit) * 4);
        }
        .copyright {
            border-top: 1px solid var(--border-color);
            padding-top: calc(var(--spacing-unit) * 4);
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .long-tail-links {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            article h1 {
                font-size: 2.5rem;
            }
            article h2 {
                font-size: 2rem;
            }
            .car-tier-list {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
            .long-tail-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 calc(var(--spacing-unit) * 2);
            }
            article {
                padding: calc(var(--spacing-unit) * 3);
            }
            .car-tier-list {
                grid-template-columns: 1fr;
            }
            .long-tail-links {
                grid-template-columns: 1fr;
            }
            .widget {
                padding: calc(var(--spacing-unit) * 3);
            }
        }