:root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #1a252f;
            --gray: #95a5a6;
            --wiki-blue: #3366cc;
            --wiki-light: #f6f6f6;
            --wiki-border: #a7d7f9;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: #333;
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--accent);
        }
        .logo .fas {
            color: var(--secondary);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        nav a:hover,
        nav a.active {
            background: var(--wiki-blue);
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        .search-box {
            display: flex;
            margin: 20px 0;
            max-width: 500px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--wiki-border);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--wiki-blue);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #2952a3;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 30px 0;
        }
        article {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        aside {
            background: var(--wiki-light);
            padding: 20px;
            border-radius: var(--radius);
            border: 1px solid var(--wiki-border);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--wiki-border);
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--wiki-border);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 25px 0 10px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--accent);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--dark);
            background: var(--wiki-light);
            padding: 15px;
            border-left: 4px solid var(--wiki-blue);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 25px;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        th {
            background: var(--primary);
            color: white;
            padding: 15px;
            text-align: left;
        }
        td {
            padding: 12px 15px;
            border-bottom: 1px solid #eee;
        }
        tr:nth-child(even) {
            background: #f9f9f9;
        }
        tr:hover {
            background: #f1f7fd;
        }
        .card {
            background: white;
            border-radius: var(--radius);
            padding: 20px;
            margin: 20px 0;
            box-shadow: var(--shadow);
            border-left: 5px solid var(--secondary);
        }
        .info-box {
            background: #e8f4fc;
            border: 1px solid var(--wiki-border);
            padding: 20px;
            border-radius: var(--radius);
            margin: 20px 0;
        }
        .update-log {
            background: #fff8e1;
            border-left: 5px solid #ffc107;
            padding: 15px;
            margin: 20px 0;
        }
        .img-container {
            margin: 25px 0;
            text-align: center;
        }
        .responsive-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid #ddd;
        }
        .img-caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 8px;
            font-style: italic;
        }
        .btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 12px 24px;
            border-radius: var(--radius);
            text-decoration: none;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            min-width: 44px;
            min-height: 44px;
        }
        .btn:hover {
            background: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .btn-accent {
            background: var(--accent);
        }
        .btn-accent:hover {
            background: #c0392b;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: white;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0;
        }
        .stars {
            color: #ffc107;
            font-size: 1.2rem;
        }
        .comment-form,
        .rating-form {
            background: var(--wiki-light);
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--secondary);
            outline: none;
        }
        .social-share {
            display: flex;
            gap: 15px;
            margin: 30px 0;
            justify-content: center;
        }
        .social-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }
        .social-share a:hover {
            transform: translateY(-3px);
        }
        .social-share .facebook { background: #3b5998; }
        .social-share .twitter { background: #1da1f2; }
        .social-share .reddit { background: #ff4500; }
        .social-share .whatsapp { background: #25d366; }
        .to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            box-shadow: var(--shadow);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .to-top:hover {
            background: #c0392b;
            transform: translateY(-5px);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-section a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 15px;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 15px;
            }
            nav ul.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            article {
                padding: 20px;
            }
            .social-share {
                flex-wrap: wrap;
            }
            .to-top {
                bottom: 20px;
                right: 20px;
                width: 44px;
                height: 44px;
            }
        }
        @media (max-width: 480px) {
            .logo a {
                font-size: 1.6rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input,
            .search-box button {
                width: 100%;
                border-radius: var(--radius);
                margin-bottom: 10px;
            }
            .btn {
                padding: 10px 15px;
            }
        }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mt-30 { margin-top: 30px; }
        .p-20 { padding: 20px; }
        .d-flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-15 { gap: 15px; }
        .highlight { background: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .note { background: #f0f8ff; padding: 15px; border-left: 4px solid #6495ed; border-radius: 0 var(--radius) var(--radius) 0; }
        .warning { background: #fff3cd; padding: 15px; border-left: 4px solid #ffc107; border-radius: 0 var(--radius) var(--radius) 0; }