* { 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-color: #f8f9fa;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-top: 1.5rem; border-bottom: 3px solid #3498db; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 2.5rem; color: #2980b9; padding-left: 10px; border-left: 5px solid #3498db; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2rem; color: #16a085; }
        h4 { font-size: 1.3rem; margin-top: 1.5rem; color: #27ae60; }
        p { margin-bottom: 1.5rem; text-align: justify; hyphens: auto; }
        .lead { font-size: 1.25rem; color: #555; font-weight: 300; }
        .highlight { background-color: #fffacd; padding: 0.2em 0.4em; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        strong { color: #2c3e50; }
        .container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
        .content-wrapper { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin-top: 30px; }
        @media (max-width: 992px) { .content-wrapper { grid-template-columns: 1fr; } }
        header { background: linear-gradient(135deg, #1a2980, #26d0ce); color: white; padding: 1.5rem 0; border-radius: 0 0 10px 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); margin-bottom: 2rem; }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo a { font-size: 2.2rem; font-weight: 800; color: white; text-decoration: none; font-family: 'Arial Black', sans-serif; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        .my-logo a:hover { color: #f1c40f; }
        .breadcrumb { margin-top: 15px; color: #ecf0f1; font-size: 0.9rem; }
        .breadcrumb a { color: #bdc3c7; text-decoration: none; }
        .breadcrumb a:hover { color: #f1c40f; }
        .main-nav { background-color: #2c3e50; border-radius: 8px; margin-top: 1rem; }
        .nav-list { display: flex; justify-content: flex-start; list-style: none; flex-wrap: wrap; }
        .nav-list li { position: relative; }
        .nav-list a { color: #ecf0f1; text-decoration: none; padding: 1rem 1.5rem; display: block; transition: all 0.3s; font-weight: 500; }
        .nav-list a:hover, .nav-list a:focus { background-color: #3498db; color: white; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; padding: 0.5rem 1rem; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-list { display: none; flex-direction: column; width: 100%; }
            .nav-list.active { display: flex; }
            .nav-list li { width: 100%; }
            .nav-list a { padding: 1rem; border-bottom: 1px solid #34495e; }
        }
        .sidebar { background: white; padding: 1.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); height: fit-content; position: sticky; top: 20px; }
        .sidebar-widget { margin-bottom: 2rem; }
        .sidebar-widget h3 { font-size: 1.3rem; border-bottom: 2px solid #eee; padding-bottom: 0.5rem; margin-bottom: 1rem; }
        .search-form { display: flex; }
        .search-form input { flex-grow: 1; padding: 0.8rem; border: 1px solid #ddd; border-radius: 5px 0 0 5px; }
        .search-form button { background-color: #3498db; color: white; border: none; padding: 0.8rem 1.2rem; border-radius: 0 5px 5px 0; cursor: pointer; }
        .search-form button:hover { background-color: #2980b9; }
        .rating-widget, .comment-widget { background: #f8f9fa; padding: 1.2rem; border-radius: 8px; }
        .stars { color: #f1c40f; font-size: 1.5rem; margin: 10px 0; }
        .rating-form select, .comment-form textarea, .comment-form input { width: 100%; padding: 0.8rem; margin-bottom: 0.8rem; border: 1px solid #ddd; border-radius: 5px; }
        .rating-form button, .comment-form button { width: 100%; background-color: #27ae60; color: white; border: none; padding: 0.9rem; border-radius: 5px; cursor: pointer; font-weight: bold; }
        .rating-form button:hover, .comment-form button:hover { background-color: #219653; }
        .main-content { background: white; padding: 2.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .article-meta { color: #7f8c8d; font-size: 0.95rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px dashed #ecf0f1; }
        .featured-image { margin: 2rem 0; text-align: center; }
        .featured-image img { border-radius: 10px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); border: 1px solid #eee; }
        .image-caption { font-style: italic; color: #666; margin-top: 0.5rem; font-size: 0.9rem; }
        .content-link { color: #3498db; text-decoration: none; border-bottom: 1px dotted #3498db; }
        .content-link:hover { color: #1a5276; border-bottom-style: solid; }
        .internal-links-box { background: #e8f4fc; border-left: 5px solid #3498db; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
        .internal-links-box ul { list-style-position: inside; color: #2c3e50; }
        .internal-links-box a { color: #2980b9; font-weight: 500; }
        .conclusion { background: #f9f9f9; padding: 2rem; border-radius: 10px; margin-top: 3rem; border: 1px solid #e0e0e0; }
        footer { background-color: #2c3e50; color: #ecf0f1; padding: 3rem 0 1.5rem; margin-top: 4rem; border-radius: 10px 10px 0 0; }
        .footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h4 { color: #f1c40f; border-bottom: 2px solid #34495e; padding-bottom: 0.5rem; margin-bottom: 1.2rem; }
        friend-link { display: block; margin-bottom: 0.8rem; }
        friend-link a { color: #bdc3c7; text-decoration: none; }
        friend-link a:hover { color: #f1c40f; text-decoration: underline; }
        .copyright { text-align: center; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid #34495e; color: #95a5a6; font-size: 0.9rem; }
        .text-center { text-align: center; }
        .last-updated { font-style: italic; color: #e74c3c; background: #ffeaa7; padding: 0.3rem 0.6rem; border-radius: 4px; display: inline-block; margin-top: 1rem; }