* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style-position: inside; margin: 1rem 0; padding-left: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', Times, serif; color: #1a365d; margin-bottom: 1.2rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 4px solid #e53e3e; padding-bottom: 0.5rem; margin-top: 2rem; }
        h2 { font-size: 2.2rem; color: #2d3748; margin-top: 3rem; padding-left: 0.5rem; border-left: 5px solid #4299e1; }
        h3 { font-size: 1.8rem; color: #4a5568; margin-top: 2.5rem; }
        h4 { font-size: 1.4rem; color: #718096; margin-top: 2rem; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; text-align: justify; }
        .lead { font-size: 1.4rem; color: #2d3748; font-weight: 300; margin-bottom: 2rem; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; font-weight: 600; }
        .keyword { color: #e53e3e; font-weight: bold; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(to right, #1a202c, #2d3748);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #f6ad55;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover { color: #fbd38d; transform: scale(1.02); }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .nav-desktop a:hover { background-color: #4a5568; color: #fbd38d; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .my-logo { font-size: 1.8rem; }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #2d3748;
            padding: 1rem;
            border-top: 2px solid #f6ad55;
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a { padding: 1rem; border-bottom: 1px solid #4a5568; }
        .mobile-nav a:hover { background-color: #4a5568; }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            border-radius: 0 0 8px 8px;
            margin-bottom: 1rem;
        }
        .breadcrumb ul { display: flex; flex-wrap: wrap; list-style: none; padding-left: 0; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin: 0 0.75rem; color: #718096; }
        .breadcrumb a:hover { color: #e53e3e; text-decoration: underline; }
        .main-article { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            border-bottom: 2px dashed #e2e8f0;
            color: #718096;
            font-size: 0.95rem;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2.5rem 0;
            border: 1px solid #e2e8f0;
        }
        .featured-image img { width: 100%; height: auto; transition: transform 0.5s ease; }
        .featured-image:hover img { transform: scale(1.03); }
        .img-caption { text-align: center; font-style: italic; color: #718096; padding: 0.8rem; background: #f7fafc; }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-section { margin-bottom: 2.5rem; }
        .sidebar h3 { font-size: 1.5rem; color: #2d3748; border-bottom: 2px solid #f6ad55; padding-bottom: 0.5rem; }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            padding: 0.9rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-box input:focus, .comment-form input:focus, .comment-form textarea:focus, .rating-form select:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        .btn {
            padding: 0.9rem 1.8rem;
            background: linear-gradient(to right, #e53e3e, #dd6b20);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover { background: linear-gradient(to right, #c53030, #c05621); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
        .rating-stars { display: flex; gap: 0.5rem; font-size: 1.8rem; color: #f6e05e; margin-bottom: 1rem; }
        .rating-stars i { cursor: pointer; transition: color 0.2s; }
        .rating-stars i:hover { color: #d69e2e; }
        .related-links ul { list-style: none; padding-left: 0; }
        .related-links li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dotted #e2e8f0; }
        .related-links a { display: block; padding: 0.5rem; border-radius: 4px; }
        .related-links a:hover { background-color: #f7fafc; color: #e53e3e; padding-left: 1rem; }
        .site-footer {
            background: linear-gradient(to right, #1a202c, #2d3748);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #f6ad55; border-bottom: none; font-size: 1.3rem; }
        friend-link {
            display: inline-block;
            background: #4a5568;
            color: #fbd38d;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.3rem;
            font-size: 0.9rem;
        }
        friend-link:hover { background: #f6ad55; color: #1a202c; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }