        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #333;
            background: #f8f9fa;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #FFD700; }
        .main-nav { display: flex; }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-list a:hover,
        .nav-list a:focus {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a { color: #6a11cb; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        .main-content { background: white; padding: 2.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .sidebar { background: #f1f3f5; padding: 1.5rem; border-radius: 10px; }
        h1, h2, h3, h4 { color: #2d3748; margin-top: 2rem; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 3px solid #6a11cb; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #4a5568; padding-left: 10px; border-left: 5px solid #2575fc; }
        h3 { font-size: 1.8rem; color: #5a67d8; }
        h4 { font-size: 1.4rem; color: #718096; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.2rem; font-weight: 300; color: #4a5568; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        a.content-link {
            color: #6a11cb;
            text-decoration: none;
            border-bottom: 1px dashed #6a11cb;
            transition: color 0.3s;
        }
        a.content-link:hover {
            color: #2575fc;
            border-bottom-style: solid;
        }
        .module {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .module h3 { margin-top: 0; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 1rem;
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            flex-grow: 1;
            min-width: 200px;
        }
        .comment-form textarea { width: 100%; min-height: 120px; resize: vertical; }
        .btn {
            background: linear-gradient(to right, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(106, 17, 203, 0.2);
        }
        .star-rating { display: flex; gap: 5px; margin: 1rem 0; }
        .star-rating i { color: #ddd; cursor: pointer; font-size: 1.5rem; transition: color 0.2s; }
        .star-rating i:hover, .star-rating i.active { color: #FFD700; }
        .article-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .related-links { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dotted #dee2e6; }
        .related-links a {
            color: #4a5568;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s;
        }
        .related-links a:hover { color: #6a11cb; }
        .related-links i { color: #6a11cb; }
        .site-footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-radius: 10px 10px 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 { color: #fff; margin-top: 0; font-size: 1.3rem; }
        friend-link {
            display: inline-block;
            background: #4a5568;
            color: #cbd5e0;
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 4px;
            text-decoration: none;
            transition: background 0.3s;
        }
        friend-link:hover { background: #6a11cb; color: white; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.5rem; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav { display: none; width: 100%; order: 3; margin-top: 1rem; }
            .main-nav.active { display: block; }
            .nav-list { flex-direction: column; gap: 0; }
            .nav-list li { width: 100%; }
            .nav-list a { display: block; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
            .header-container { flex-wrap: wrap; }
            .hero { padding: 2.5rem 1rem; }
            .hero h1 { font-size: 2rem; }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.6rem; }
            .main-content { padding: 1.5rem; }
        }
