:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #1a1a1a;
            --text-color: #333;
            --border-radius: 6px;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            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-color);
            background-color: #f8f9fa;
            padding-top: 80px;
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.2rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            text-align: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn:hover {
            background-color: #2980b9;
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .btn-accent {
            background-color: var(--accent-color);
        }
        .btn-accent:hover {
            background-color: #c0392b;
        }
        .card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
        .wiki-box {
            background-color: #f8f9fa;
            border-left: 4px solid var(--secondary-color);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .info-table th, .info-table td {
            border: 1px solid #ddd;
            padding: 12px 15px;
            text-align: left;
        }
        .info-table th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        .info-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 1.5rem auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 6px;
            border-radius: 3px;
        }
        .float-right {
            float: right;
            margin: 0 0 1rem 1.5rem;
            max-width: 300px;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .my-logo {
            color: var(--secondary-color);
            font-style: italic;
        }
        nav ul {
            display: flex;
            list-style: none;
            margin: 0;
        }
        nav li {
            margin: 0 10px;
        }
        nav a {
            padding: 10px 15px;
            border-radius: var(--border-radius);
            font-weight: 600;
        }
        nav a:hover {
            background-color: #f0f8ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        .search-container {
            margin: 2rem 0;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            min-height: 44px;
        }
        .search-box button {
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            border-left: none;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        aside .card {
            position: sticky;
            top: 100px;
        }
        .quick-nav ul {
            list-style: none;
            margin: 0;
        }
        .quick-nav li {
            margin-bottom: 0.5rem;
        }
        .quick-nav a {
            display: block;
            padding: 10px 15px;
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            border-left: 3px solid transparent;
        }
        .quick-nav a:hover {
            background-color: #e9ecef;
            border-left-color: var(--secondary-color);
        }
        .update-info {
            background-color: #e8f4fd;
            border-left-color: #3498db;
        }
        .rating-widget, .share-widget {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin: 1.5rem 0;
        }
        .stars {
            color: #f1c40f;
            font-size: 1.5rem;
        }
        .share-buttons {
            display: flex;
            gap: 10px;
        }
        .share-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .reddit { background-color: #ff4500; }
        .whatsapp { background-color: #25d366; }
        .comments-section {
            margin: 3rem 0;
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            min-height: 44px;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #ddd;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
            }
            nav ul.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            nav li {
                margin: 5px 0;
            }
            nav a {
                display: block;
                padding: 12px 15px;
            }
            .hamburger {
                display: block;
            }
            .float-right {
                float: none;
                margin: 1.5rem auto;
                max-width: 100%;
            }
            .header-container {
                padding: 12px 20px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }