:root {
            --primary-color: #4CAF50;
            --secondary-color: #2196F3;
            --accent-color: #FF9800;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --border-color: #ddd;
            --wiki-blue: #3366cc;
            --wiki-light-blue: #e6f2ff;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: var(--wiki-blue);
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background-color: var(--light-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .nav-links a:hover {
            background-color: var(--wiki-light-blue);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-color);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: #fff;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        aside {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--secondary-color);
        }
        h1 {
            font-size: 2.5rem;
            color: var(--text-color);
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--wiki-blue);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 1.5rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--accent-color);
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #555;
            background-color: var(--wiki-light-blue);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 2rem;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 12px 24px;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            text-align: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn:hover {
            background-color: #3d8b40;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #0b7dda;
        }
        .search-box, .comment-form, .rating-form {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: white;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        th, td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--wiki-light-blue);
            font-weight: 600;
        }
        tr:hover {
            background-color: #f9f9f9;
        }
        figure {
            margin: 1.5rem 0;
            text-align: center;
        }
        figcaption {
            font-style: italic;
            color: #666;
            margin-top: 8px;
            font-size: 0.9rem;
        }
        .img-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
        }
        .share-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        .share-btn:hover {
            transform: scale(1.1);
            text-decoration: none;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .pinterest { background-color: #bd081c; }
        .whatsapp { background-color: #25d366; }
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--accent-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
            z-index: 1000;
        }
        #backToTop.show {
            opacity: 1;
            visibility: visible;
        }
        footer {
            background-color: var(--light-bg);
            border-top: 1px solid var(--border-color);
            padding: 2rem 0;
            margin-top: 3rem;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        .update-info {
            font-size: 0.9rem;
            color: #777;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 15px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .btn {
                padding: 10px 20px;
            }
            .social-share {
                justify-content: center;
            }
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 6px;
            border-radius: 3px;
        }
        .note {
            background-color: var(--wiki-light-blue);
            border-left: 4px solid var(--secondary-color);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .warning {
            background-color: #ffebee;
            border-left: 4px solid #f44336;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
