* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #c53030;
            --accent-color: #f6ad55;
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --dark-bg: #2d3748;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--light-bg);
            font-size: 18px;
        }
        .header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
            font-size: 2.5rem;
        }
        .logo:hover {
            transform: scale(1.05);
            transition: var(--transition);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hamburger-menu {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger-menu {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background-color: var(--primary-color);
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb-item a:hover {
            text-decoration: underline;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: "›";
            color: #718096;
        }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 1.5rem;
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 2rem;
            color: #718096;
            font-size: 0.95rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        h2, h3 {
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.6rem;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--secondary-color);
            display: block;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: var(--primary-color);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .battle-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            border: 3px solid var(--accent-color);
            transition: var(--transition);
        }
        .battle-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            color: #718096;
            font-style: italic;
            margin-top: -1rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
            color: white;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .interactive-title {
            color: var(--accent-color);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(246, 173, 85, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        .btn {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #e53e3e 100%);
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(197, 48, 48, 0.3);
        }
        .btn i {
            font-size: 1.2rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        @media (max-width: 992px) {
            .sidebar {
                position: static;
            }
        }
        .sidebar-title {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .search-box {
            display: flex;
            margin-bottom: 2rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #2c5282;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .related-links a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--secondary-color);
            transform: translateX(5px);
        }
        .web-links {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .web-links-title {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-bottom: 2rem;
            text-align: center;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid #e2e8f0;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--accent-color);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        .footer {
            background: var(--dark-bg);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.95rem;
        }
        .copyright a {
            color: var(--accent-color);
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 2rem;
            }
            .article-title {
                font-size: 2rem;
            }
            .main-container {
                padding: 0 15px;
            }
            .interactive-section {
                padding: 2rem;
            }
            .web-links {
                padding: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .article-title {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .form-input, .form-textarea {
                font-size: 16px; 
            }
        }
        @media print {
            .header, .sidebar, .interactive-section, .footer, .web-links {
                display: none;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                font-size: 12pt;
                line-height: 1.5;
                color: black;
                background: white;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus {
            outline: 3px solid var(--accent-color);
            outline-offset: 2px;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content,
        .sidebar,
        .web-links,
        .interactive-section {
            animation: fadeIn 0.8s ease-out;
        }
        .emoji-section {
            font-size: 1.5rem;
            text-align: center;
            margin: 2rem 0;
            color: var(--primary-color);
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            line-height: 1.6;
        }
        .key-term {
            background-color: #fffaf0;
            color: var(--secondary-color);
            font-weight: 700;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            border: 1px solid #fed7aa;
        }
        .quote {
            font-style: italic;
            color: #4a5568;
            border-left: 4px solid var(--accent-color);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-size: 1.2rem;
        }
        .quote-author {
            display: block;
            text-align: right;
            color: var(--primary-color);
            font-weight: 600;
            margin-top: 0.5rem;
        }