* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #6c63ff; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #4a43d4; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 2em; margin: 1em 0; }
        h1 { font-size: 2.8rem; margin: 1.5rem 0; color: #2d2b55; line-height: 1.2; }
        h2 { font-size: 2.2rem; margin: 2.5rem 0 1rem; color: #3a3768; border-bottom: 2px solid #eee; padding-bottom: 0.5rem; }
        h3 { font-size: 1.7rem; margin: 2rem 0 0.8rem; color: #4a43d4; }
        h4 { font-size: 1.3rem; margin: 1.5rem 0 0.6rem; color: #666; }
        p { margin-bottom: 1.5em; font-size: 1.05rem; }
        .lead { font-size: 1.25rem; color: #555; font-weight: 300; }
        .highlight { background-color: #fff9e6; padding: 2px 6px; border-radius: 3px; }
        strong { color: #4a43d4; }
        .container { display: grid; grid-template-columns: 1fr; gap: 2rem; }
        main { order: 2; }
        aside { order: 3; background: #fff; padding: 1.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        @media (min-width: 992px) {
            .container { grid-template-columns: 3fr 1fr; }
            main { order: 1; }
            aside { order: 2; }
        }
        header { background: linear-gradient(135deg, #2d2b55 0%, #4a43d4 100%); color: white; border-radius: 0 0 15px 15px; padding: 1rem 0; margin-bottom: 2rem; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
        .header-top { display: flex; justify-content: space-between; align-items: center; padding: 0 1rem; }
        .my-logo { font-size: 2rem; font-weight: 800; letter-spacing: 1px; color: white; }
        .my-logo:hover { text-decoration: none; color: #ffcc00; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        nav ul { display: flex; list-style: none; gap: 2rem; }
        nav a { color: #ddd; font-weight: 500; padding: 0.5rem 0; }
        nav a:hover { color: #ffcc00; text-decoration: none; }
        .breadcrumb { padding: 1rem; background: #e9ecef; border-radius: 8px; margin: 1rem 0; font-size: 0.9rem; }
        .breadcrumb a { color: #6c63ff; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav { display: none; width: 100%; margin-top: 1rem; }
            nav.active { display: block; }
            nav ul { flex-direction: column; gap: 0; }
            nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            nav a { display: block; padding: 1rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }
        .interactive-module { background: white; padding: 2rem; border-radius: 10px; margin: 2.5rem 0; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-top: 5px solid #6c63ff; }
        .module-title { color: #2d2b55; margin-top: 0; }
        form { display: grid; gap: 1rem; margin-top: 1.5rem; }
        input, textarea, select { padding: 0.8rem; border: 1px solid #ddd; border-radius: 5px; font-family: inherit; font-size: 1rem; width: 100%; }
        button, .btn { background: linear-gradient(to right, #6c63ff, #4a43d4); color: white; border: none; padding: 0.8rem 1.8rem; border-radius: 5px; font-weight: 600; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; display: inline-block; text-align: center; }
        button:hover, .btn:hover { transform: translateY(-2px); box-shadow: 0 7px 14px rgba(108, 99, 255, 0.3); text-decoration: none; }
        .rating { display: flex; gap: 0.5rem; font-size: 1.8rem; color: #ffcc00; margin: 1rem 0; }
        .rating i { cursor: pointer; transition: transform 0.2s; }
        .rating i:hover { transform: scale(1.2); }
        .article-img { width: 100%; border-radius: 10px; margin: 2rem 0; box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
        .pull-quote { border-left: 4px solid #ffcc00; padding-left: 1.5rem; margin: 2rem 0; font-style: italic; color: #555; font-size: 1.2rem; }
        .link-list { background: #f1f3ff; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
        .link-list li { margin-bottom: 0.5rem; }
        .update-time { font-size: 0.9rem; color: #888; margin-top: 3rem; padding-top: 1rem; border-top: 1px dashed #ddd; }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar-widget h3 { font-size: 1.3rem; color: #2d2b55; border-bottom: 2px solid #eee; padding-bottom: 0.5rem; }
        footer { background: #2d2b55; color: #ccc; padding: 3rem 1rem 1.5rem; margin-top: 4rem; border-radius: 15px 15px 0 0; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
        .footer-section h4 { color: #ffcc00; margin-bottom: 1rem; }
        friend-link { display: block; margin: 0.5rem 0; color: #aaa; }
        friend-link a { color: #aaa; }
        friend-link a:hover { color: white; }
        .copyright { text-align: center; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid #444; font-size: 0.9rem; color: #999; }