* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-blue: #2c3e50;
            --secondary-blue: #3498db;
            --accent-gold: #f1c40f;
            --light-gray: #ecf0f1;
            --dark-gray: #7f8c8d;
            --success-green: #27ae60;
            --wiki-bg: #f8f9fa;
            --border-color: #a2a9b1;
            --text-dark: #202122;
            --text-light: #54595d;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--wiki-bg);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: white;
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
            margin-bottom: 30px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .my-logo:hover {
            color: var(--secondary-blue);
        }
        nav {
            display: flex;
            gap: 25px;
        }
        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            padding: 10px 15px;
            border-radius: 4px;
            transition: all 0.3s ease;
            font-size: 1rem;
            min-height: 44px;
            min-width: 44px;
            display: flex;
            align-items: center;
        }
        nav a:hover {
            background-color: var(--light-gray);
            color: var(--secondary-blue);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--primary-blue);
            padding: 10px;
            min-height: 44px;
            min-width: 44px;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin-bottom: 40px;
        }
        .content {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            height: fit-content;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--accent-gold);
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-blue);
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--text-dark);
            margin: 25px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-light);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        ul, ol {
            margin: 15px 0 15px 30px;
        }
        li {
            margin-bottom: 10px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            background: white;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        th {
            background-color: var(--primary-blue);
            color: white;
            padding: 15px;
            text-align: left;
        }
        td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        tr:hover {
            background-color: var(--wiki-bg);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 25px 0;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 8px;
            font-size: 0.95rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background-color: var(--secondary-blue);
            color: white;
            text-decoration: none;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            min-height: 44px;
            min-width: 44px;
        }
        .btn:hover {
            background-color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
        }
        .btn-primary {
            background-color: var(--secondary-blue);
        }
        .btn-success {
            background-color: var(--success-green);
        }
        .btn-warning {
            background-color: var(--accent-gold);
            color: var(--text-dark);
        }
        .feature-box {
            background: var(--light-gray);
            border-left: 4px solid var(--secondary-blue);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background: #fff8e1;
            border-left: 4px solid var(--accent-gold);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        form {
            background: var(--wiki-bg);
            padding: 25px;
            border-radius: 8px;
            margin: 25px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }
        input, select, textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 15px;
            margin: 20px 0;
        }
        .star-rating {
            display: flex;
            gap: 5px;
        }
        .star-rating i {
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .comment {
            background: white;
            padding: 20px;
            margin: 20px 0;
            border-radius: 8px;
            border: 1px solid var(--light-gray);
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary-blue);
        }
        .comment-date {
            color: var(--dark-gray);
            font-size: 0.9rem;
        }
        .social-share {
            display: flex;
            gap: 15px;
            margin: 30px 0;
        }
        .social-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            text-decoration: none;
            transition: transform 0.3s;
        }
        .social-icon:hover {
            transform: translateY(-3px);
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .pinterest { background-color: #bd081c; }
        .whatsapp { background-color: #25d366; }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--secondary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        footer {
            background: var(--primary-blue);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-radius: 8px 8px 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--light-gray);
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
        }
        .update-badge {
            background-color: var(--success-green);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-left: 15px;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 15px;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                margin-top: 15px;
                gap: 10px;
            }
            nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 15px;
                right: 15px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .content, .sidebar {
                padding: 20px;
            }
            .social-share {
                justify-content: center;
                flex-wrap: wrap;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            table {
                display: block;
                overflow-x: auto;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .rating-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 44px;
                height: 44px;
            }
        }
        :focus {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
        }
        @media print {
            nav, .sidebar, .back-to-top, .social-share, form {
                display: none;
            }
            body {
                background: white;
                max-width: 100%;
                padding: 0;
            }
            .content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }