* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-blue: #1a365d;
            --secondary-blue: #2d4a8a;
            --accent-gold: #d4af37;
            --light-bg: #f5f7fa;
            --text-dark: #2d3748;
            --text-light: #718096;
            --border-color: #e2e8f0;
            --wiki-blue: #3366cc;
            --success-green: #38a169;
            --warning-orange: #ed8936;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            font-size: 16px;
        }
        h1, h2, h3, h4, h5 {
            color: var(--primary-blue);
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            border-left: 4px solid var(--wiki-blue);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: var(--secondary-blue);
        }
        h4 {
            font-size: 1.25rem;
            margin-top: 1.5rem;
            color: var(--text-dark);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #15325a 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--accent-gold);
        }
        .my-logo i {
            font-size: 2rem;
        }
        nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            min-height: 44px;
            min-width: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.15);
            color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            min-height: 44px;
            min-width: 44px;
            align-items: center;
            justify-content: center;
        }
        main {
            background: white;
            margin: 2rem auto;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        section {
            margin-bottom: 3rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            background: linear-gradient(rgba(26,54,93,0.7), rgba(26,54,93,0.7)), url('https://placeholder.com/1200x400');
            background-size: cover;
            background-position: center;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
            padding: 2rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .info-card {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--wiki-blue);
        }
        .wiki-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .wiki-table th {
            background-color: var(--primary-blue);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .wiki-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .wiki-table tr:hover {
            background-color: var(--light-bg);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 6px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interactive-box {
            background: linear-gradient(135deg, #f6f9fc 0%, #e9eff5 100%);
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background-color: var(--wiki-blue);
            color: white;
            text-decoration: none;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
            min-width: 44px;
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .btn-secondary {
            background-color: var(--accent-gold);
        }
        form {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            cursor: pointer;
            font-size: 1.8rem;
            color: var(--border-color);
            transition: color 0.3s ease;
            min-height: 44px;
            min-width: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: var(--accent-gold);
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
            flex-wrap: wrap;
        }
        .social-btn {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            color: white;
            text-decoration: none;
            min-height: 44px;
            min-width: 44px;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .reddit { background-color: #ff4500; }
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--primary-blue);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            z-index: 999;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        #backToTop:hover {
            background-color: var(--accent-gold);
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--primary-blue);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .friend-links {
            background: rgba(255,255,255,0.1);
            padding: 1.5rem;
            border-radius: 6px;
            margin: 2rem 0;
        }
        .friend-links h3 {
            color: white;
            margin-bottom: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.3rem; }
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: flex;
                position: absolute;
                right: 20px;
                top: 1rem;
            }
            main {
                padding: 1.5rem;
                margin: 1rem;
            }
            .featured-image {
                height: 250px;
                margin: 1rem 0;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .interactive-box {
                padding: 1.5rem;
            }
            .social-share {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            main {
                padding: 1rem;
            }
            .btn {
                width: 100%;
                margin-bottom: 0.5rem;
            }
            .social-btn {
                flex: 1;
                min-width: 120px;
                justify-content: center;
            }
        }
        .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-gold);
            outline-offset: 3px;
        }
        @media print {
            header, footer, .social-share, #backToTop, form {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            main {
                box-shadow: none;
                margin: 0;
                padding: 0;
            }
        }