:root {
            --primary: #4a6fa5;
            --secondary: #ff6b6b;
            --accent: #ffd166;
            --light: #f8f9fa;
            --dark: #343a40;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: rgba(0,0,0,0.08);
            --wiki-blue: #3366cc;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: white;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
            box-shadow: 0 2px 10px var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        nav {
            display: flex;
            gap: 1.5rem;
        }
        nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            min-height: 44px;
            min-width: 44px;
            display: flex;
            align-items: center;
        }
        nav a:hover, nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
            padding: 10px;
            min-height: 44px;
            min-width: 44px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px var(--shadow);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px var(--shadow);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        h1 {
            color: var(--wiki-blue);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h2 {
            color: var(--primary);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
        }
        h3 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: var(--gray);
            font-size: 1.1rem;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            line-height: 1.7;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--gray);
            font-weight: 300;
            margin-bottom: 2rem;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            box-shadow: 0 2px 5px var(--shadow);
        }
        th, td {
            padding: 0.8rem;
            border: 1px solid var(--border);
            text-align: left;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .info-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 4px;
        }
        .tip-box {
            background: linear-gradient(135deg, #fff9db, #ffe066);
            border: 1px solid #ffd43b;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        .update-box {
            background: #e7f5ff;
            border: 1px solid #4dabf7;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 8px var(--shadow);
            transition: transform 0.3s ease;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1rem;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            text-align: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn:hover {
            background: #3a5a8c;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px var(--shadow);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #e55c5c;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--dark);
        }
        .btn-accent:hover {
            background: #ffc233;
        }
        form {
            margin: 1.5rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, select, textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border);
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--primary);
            border-color: transparent;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            color: #ffd700;
            cursor: pointer;
            font-size: 1.5rem;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
        }
        .social-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }
        .social-share a:hover {
            transform: translateY(-3px);
        }
        .facebook { background: #3b5998; }
        .twitter { background: #1da1f2; }
        .pinterest { background: #bd081c; }
        .whatsapp { background: #25d366; }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #3a5a8c;
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
            border-radius: 8px 8px 0 0;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 200px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin: 1rem 0;
        }
        .friend-links a {
            color: #adb5bd;
            text-decoration: none;
            padding: 0.3rem 0.6rem;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .friend-links a:hover {
            color: white;
            background: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                margin-top: 1rem;
            }
            nav.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            article, aside {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            article, aside {
                padding: 1rem;
            }
            .social-share {
                justify-content: center;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 44px;
                height: 44px;
            }
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .d-flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-1 { gap: 1rem; }
        .gap-2 { gap: 2rem; }
        .w-100 { width: 100%; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .wiki-infobox {
            background: #f8f9fa;
            border: 1px solid #a2a9b1;
            padding: 1.2rem;
            margin: 0 0 1.5rem 1.5rem;
            float: right;
            width: 300px;
            border-radius: 4px;
        }
        .wiki-infobox th {
            background: #e6e6e6;
            color: var(--dark);
            text-align: center;
        }
        .toc {
            background: #f8f9fa;
            border: 1px solid #a2a9b1;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 4px;
        }
        .toc h2 {
            font-size: 1.2rem;
            margin-top: 0;
            border: none;
        }
        .toc ul {
            margin-left: 1rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
        }
        .last-updated {
            background: #e7f5ff;
            padding: 0.8rem;
            border-radius: 4px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .last-updated i {
            color: var(--primary);
        }