:root {
            --primary-blue: #1e88e5;
            --secondary-orange: #ff9800;
            --wiki-bg: #f8f9fa;
            --wiki-border: #a2a9b1;
            --text-primary: #202122;
            --text-secondary: #54595d;
            --accent-red: #d32f2f;
            --accent-green: #388e3c;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --border-radius: 4px;
            --shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: #fff;
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 60px;
        }
        header {
            background-color: #fff;
            border-bottom: 1px solid var(--wiki-border);
            position: fixed;
            top: 0;
            width: 100%;
            max-width: 1400px;
            z-index: 1000;
            padding: var(--spacing-sm) var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--secondary-orange);
        }
        .my-logo:hover {
            color: var(--accent-red);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: all 0.3s ease;
        }
        .nav-links a:hover {
            background-color: var(--wiki-bg);
            color: var(--primary-blue);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-primary);
        }
        .search-box {
            display: flex;
            margin-left: var(--spacing-md);
            border: 1px solid var(--wiki-border);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .search-box input {
            padding: 8px 12px;
            border: none;
            min-width: 200px;
        }
        .search-box button {
            background-color: var(--wiki-bg);
            border: none;
            padding: 0 12px;
            cursor: pointer;
        }
        .search-box button:hover {
            background-color: #e6e6e6;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-sm);
        }
        .content-area {
            background-color: #fff;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        aside {
            background-color: var(--wiki-bg);
            padding: var(--spacing-md);
            border: 1px solid var(--wiki-border);
            border-radius: var(--border-radius);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            border-bottom: 2px solid var(--wiki-border);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-blue);
            margin-top: var(--spacing-xl);
            margin-bottom: var(--spacing-sm);
            padding-bottom: 6px;
            border-bottom: 1px solid #eee;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--text-secondary);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-xs);
        }
        h4 {
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-top: var(--spacing-md);
        }
        p {
            margin-bottom: 1rem;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-secondary);
            font-style: italic;
            margin-bottom: var(--spacing-lg);
        }
        .info-box {
            background-color: var(--wiki-bg);
            border: 1px solid var(--wiki-border);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            float: right;
            margin: 0 0 var(--spacing-md) var(--spacing-md);
            width: 300px;
        }
        .info-box h3 {
            background-color: var(--primary-blue);
            color: white;
            margin: -16px -16px 16px -16px;
            padding: 12px 16px;
            font-size: 1.2rem;
        }
        .image-container {
            text-align: center;
            margin: var(--spacing-lg) 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .table-of-contents {
            background-color: var(--wiki-bg);
            border: 1px solid var(--wiki-border);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            border-radius: var(--border-radius);
        }
        .table-of-contents h2 {
            font-size: 1.2rem;
            margin-top: 0;
            border: none;
        }
        .table-of-contents ul {
            list-style: none;
            padding-left: 1rem;
        }
        .table-of-contents li {
            margin-bottom: 6px;
        }
        .highlight {
            background-color: #fff8e1;
            padding: var(--spacing-md);
            border-left: 4px solid var(--secondary-orange);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .update-badge {
            display: inline-block;
            background-color: var(--accent-green);
            color: white;
            font-size: 0.8rem;
            padding: 2px 8px;
            border-radius: 10px;
            margin-left: 10px;
            vertical-align: middle;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background-color: var(--primary-blue);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        .btn:hover {
            background-color: #1565c0;
            text-decoration: none;
        }
        .btn-secondary {
            background-color: var(--secondary-orange);
        }
        .btn-secondary:hover {
            background-color: #e68900;
        }
        .rating-stars {
            color: #ffc107;
            font-size: 1.2rem;
        }
        .social-share {
            display: flex;
            gap: 10px;
            margin: var(--spacing-md) 0;
        }
        .social-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .reddit { background-color: #ff4500; }
        .share { background-color: var(--accent-green); }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.8;
            transition: opacity 0.3s;
            z-index: 999;
        }
        .back-to-top:hover {
            opacity: 1;
        }
        form {
            background-color: var(--wiki-bg);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        input, select, textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid var(--wiki-border);
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        footer {
            background-color: var(--wiki-bg);
            border-top: 1px solid var(--wiki-border);
            padding: var(--spacing-xl) var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: var(--spacing-md) 0;
        }
        .friend-links a {
            background-color: #fff;
            padding: 6px 12px;
            border-radius: var(--border-radius);
            border: 1px solid var(--wiki-border);
        }
        .copyright {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--wiki-border);
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .info-box {
                float: none;
                width: 100%;
                margin: var(--spacing-md) 0;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 120px;
            }
            header {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-sm);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            nav {
                width: 100%;
                display: none;
                flex-direction: column;
                margin-top: var(--spacing-sm);
            }
            nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 12px;
                border-bottom: 1px solid #eee;
            }
            .search-box {
                margin-left: 0;
                margin-top: var(--spacing-sm);
                width: 100%;
            }
            .search-box input {
                min-width: auto;
                flex-grow: 1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 44px;
                height: 44px;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 14px;
            }
            .content-area, aside {
                padding: var(--spacing-sm);
            }
        }