:root {
            --primary-red: #e10600;
            --dark-bg: #1e1e1e;
            --light-bg: #f5f5f5;
            --text-primary: #333333;
            --text-secondary: #666666;
            --accent-gold: #ffd700;
            --border-color: #dddddd;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --font-heading: 'Arial Black', 'Arial Bold', sans-serif;
            --font-body: 'Arial', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-primary);
            line-height: 1.7;
            background-color: var(--light-bg);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-red);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #a80500;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--dark-bg);
            color: white;
            padding: var(--spacing-sm) 0;
            border-bottom: 4px solid var(--primary-red);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--primary-red);
        }
        .my-logo:hover {
            text-decoration: none;
            color: white;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .nav-links a {
            color: white;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-red);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            background-color: #f0f0f0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 0.5rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-red);
        }
        main {
            flex: 1;
            padding: var(--spacing-lg) 0;
        }
        .article-header {
            margin-bottom: var(--spacing-lg);
            text-align: center;
        }
        .article-header h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            color: var(--dark-bg);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .article-meta {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: var(--spacing-sm);
        }
        .last-updated {
            background-color: #fff3cd;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: bold;
            color: #856404;
        }
        .article-content {
            background-color: white;
            padding: var(--spacing-xl);
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: var(--spacing-lg);
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin: var(--spacing-lg) 0;
            border: 1px solid var(--border-color);
        }
        .article-content h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin-top: var(--spacing-xl);
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-red);
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            color: #444;
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
            color: #555;
        }
        .article-content p {
            margin-bottom: var(--spacing-md);
            text-align: justify;
            font-size: 1.1rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary-red);
            padding-left: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            font-style: italic;
            color: var(--text-secondary);
            background-color: #f9f9f9;
            padding: var(--spacing-md);
            border-radius: 0 8px 8px 0;
        }
        .article-content ul, .article-content ol {
            margin-bottom: var(--spacing-md);
            padding-left: var(--spacing-lg);
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .keyword-link {
            font-weight: bold;
            background-color: #f0f8ff;
            padding: 0.1rem 0.3rem;
            border-radius: 3px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
            border-left: 5px solid var(--accent-gold);
            padding: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            border-radius: 0 8px 8px 0;
        }
        .interactive-modules {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
        }
        .module {
            background-color: white;
            padding: var(--spacing-lg);
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-top: 4px solid var(--primary-red);
        }
        .module h3 {
            color: var(--dark-bg);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .module h3 i {
            color: var(--primary-red);
        }
        .module form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .module input, .module textarea, .module select {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: var(--font-body);
            font-size: 1rem;
        }
        .module textarea {
            min-height: 120px;
            resize: vertical;
        }
        .module button {
            background-color: var(--primary-red);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 4px;
            font-weight: bold;
            text-transform: uppercase;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .module button:hover {
            background-color: #a80500;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ddd;
        }
        .star-rating label {
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-gold);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: white;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-section h3 {
            color: white;
            margin-bottom: var(--spacing-md);
            font-size: 1.3rem;
            text-transform: uppercase;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #cccccc;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: #2a2a2a;
            padding: var(--spacing-md);
            border-radius: 6px;
            margin: var(--spacing-sm) 0;
            border-left: 3px solid var(--primary-red);
        }
        friend-link a {
            color: white;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid #444;
            color: #aaaaaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--dark-bg);
                flex-direction: column;
                align-items: center;
                padding-top: var(--spacing-lg);
                transition: left 0.5s ease;
                gap: 0;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                width: 100%;
                text-align: center;
                padding: 1rem 0;
                border-bottom: 1px solid #333;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: var(--spacing-md);
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .interactive-modules {
                grid-template-columns: 1fr;
            }
        }