:root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f0f4f8;
            color: var(--dark);
            line-height: 1.6;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #2a4365 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            align-self: start;
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            color: var(--dark);
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            background: #edf2f7;
            padding: 1.2rem;
            border-left: 5px solid var(--accent);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #fab005;
            margin: 1.5rem 0;
        }
        .key-term {
            font-weight: 700;
            color: var(--secondary);
        }
        a.content-link {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 600;
        }
        a.content-link:hover {
            color: var(--secondary);
        }
        .search-box {
            margin: 2rem 0;
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: var(--secondary);
        }
        .comment-section, .rating-section {
            background: #f8f9fa;
            padding: 1.8rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .comment-section h3, .rating-section h3 {
            margin-top: 0;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #e4e4e4;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #fbbf24;
        }
        .btn-submit {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .btn-submit:hover {
            background: #9b2c2c;
        }
        .calendar-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .calendar-table th {
            background: var(--primary);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .calendar-table td {
            padding: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .calendar-table tr:nth-child(even) {
            background-color: #f8fafc;
        }
        .calendar-table tr:hover {
            background-color: #edf2f7;
        }
        .tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.5rem;
        }
        .tag-premium {
            background: #c6f6d5;
            color: #22543d;
        }
        .tag-vehicle {
            background: #bee3f8;
            color: #2a4365;
        }
        .tag-ge {
            background: #fefcbf;
            color: #744210;
        }
        .featured-image {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.8rem 1rem;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border-left: 4px solid var(--accent);
        }
        friend-link a {
            color: white;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .main-nav ul {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                background: var(--primary);
                padding: 1rem;
                border-radius: 8px;
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }