:root {
            --primary-dark: #1a472a;
            --primary-medium: #2a623d;
            --primary-light: #5d9b6f;
            --accent-warning: #ffb347;
            --accent-danger: #aa4a44;
            --text-light: #f0f7f4;
            --text-dark: #121212;
            --gray-bg: #2d2d2d;
            --gray-border: #444;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --max-width: 1200px;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0c1c12 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent-warning);
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ffcc7a;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: rgba(26, 71, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--accent-warning);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: var(--spacing-xs) 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: var(--text-light);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--accent-warning);
        }
        .nav-desktop {
            display: flex;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 179, 71, 0.1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: var(--spacing-xs);
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--primary-dark);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: right 0.4s ease;
            z-index: 1001;
            overflow-y: auto;
            border-left: 2px solid var(--accent-warning);
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav .close-btn {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav a {
            display: block;
            padding: var(--spacing-sm);
            border-bottom: 1px solid var(--gray-border);
            font-size: 1.1rem;
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
        }
        .mobile-overlay.active {
            display: block;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            background-color: rgba(0, 0, 0, 0.2);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--accent-warning);
        }
        .main-content {
            flex: 1;
            padding: var(--spacing-md) 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 3px dashed var(--primary-light);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-warning);
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            color: #aaa;
            font-style: italic;
            margin-top: var(--spacing-sm);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(45, 45, 45, 0.8);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin: var(--spacing-md) 0 var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-medium);
        }
        h3 {
            font-size: 1.8rem;
            color: #ffcc7a;
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        h4 {
            font-size: 1.4rem;
            color: #5d9b6f;
            margin: var(--spacing-sm) 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 179, 71, 0.1);
            border-left: 4px solid var(--accent-warning);
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .dino-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-sm);
            background: var(--gray-bg);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .stat-item {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px dotted var(--gray-border);
        }
        .featured-image {
            margin: var(--spacing-md) 0;
            text-align: center;
        }
        .featured-image figcaption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
        }
        .interactive-forms {
            background: rgba(26, 71, 42, 0.6);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        label {
            display: block;
            margin-bottom: 0.3rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--gray-border);
            border-radius: var(--border-radius);
            background-color: #333;
            color: var(--text-light);
            font-size: 1rem;
        }
        button, .btn {
            background: linear-gradient(to right, var(--accent-warning), #ff8c00);
            color: var(--text-dark);
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ffcc7a, #ffb347);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            color: #555;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .star.active,
        .star:hover {
            color: gold;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .sidebar-widget {
            background: rgba(45, 45, 45, 0.8);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--gray-border);
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .site-footer {
            background-color: #121212;
            border-top: 2px solid var(--primary-medium);
            margin-top: var(--spacing-lg);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
        }
        .footer-links h3 {
            font-size: 1.3rem;
            color: var(--accent-warning);
            margin-bottom: var(--spacing-sm);
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dotted #444;
        }
        .copyright {
            text-align: center;
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #333;
            color: #777;
            font-size: 0.9rem;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }