* { 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-color: #f8f9fa;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; margin-bottom: 0.8em; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.2em; border-bottom: 4px solid #e74c3c; padding-bottom: 0.3em; }
        h2 { font-size: 2.2rem; margin-top: 1.8em; padding-left: 10px; border-left: 5px solid #3498db; }
        h3 { font-size: 1.8rem; margin-top: 1.5em; color: #2980b9; }
        h4 { font-size: 1.4rem; margin-top: 1.2em; color: #16a085; }
        p { margin-bottom: 1.5em; text-align: justify; }
        a { color: #3498db; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; }
        strong { font-weight: 700; color: #c0392b; }
        em { font-style: italic; color: #7f8c8d; }
        .container { display: grid; grid-template-columns: 1fr; gap: 30px; }
        @media (min-width: 992px) {
            .container { grid-template-columns: 3fr 1fr; }
            main { order: 1; }
            aside { order: 2; }
        }
        header { background: linear-gradient(135deg, #1a237e 0%, #311b92 100%); color: white; padding: 1.5rem 0; border-radius: 0 0 12px 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); margin-bottom: 2rem; }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; padding: 0 1rem; }
        .my-logo a { font-size: 2.2rem; font-weight: 900; color: #fff; text-decoration: none; letter-spacing: 1px; }
        .my-logo span:first-child { color: #4fc3f7; }
        .my-logo span:last-child { color: #ffeb3b; }
        .main-nav { display: flex; align-items: center; }
        .nav-links { display: flex; list-style: none; gap: 1.8rem; }
        .nav-links a { color: #e3f2fd; font-weight: 500; padding: 0.5rem 0.8rem; border-radius: 5px; }
        .nav-links a:hover { background-color: rgba(255,255,255,0.15); color: #fff; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                position: fixed; top: 80px; left: 0; background: #1a237e; width: 100%; flex-direction: column; padding: 1rem; gap: 0; clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: clip-path 0.4s ease-in-out; z-index: 1000;
            }
            .nav-links.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
            .nav-links li { width: 100%; }
            .nav-links a { display: block; padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
        }
        .breadcrumb { padding: 1rem 1.5rem; background-color: #edf2f7; border-radius: 8px; margin-bottom: 2rem; font-size: 0.95rem; }
        .breadcrumb a { color: #5a67d8; }
        .breadcrumb a:hover { text-decoration: underline; }
        article { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 15px rgba(0,0,0,0.05); }
        .article-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 2px dashed #ecf0f1; color: #7f8c8d; font-size: 0.95rem; }
        .featured-image { margin: 2.5rem auto; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
        .featured-image img { width: 100%; transition: transform 0.5s ease; }
        .featured-image img:hover { transform: scale(1.02); }
        .img-caption { text-align: center; font-style: italic; padding: 0.8rem; color: #666; background-color: #f9f9f9; border-top: 1px solid #eee; }
        aside { background: white; padding: 2rem; border-radius: 12px; box-shadow: 0 6px 15px rgba(0,0,0,0.05); align-self: start; position: sticky; top: 20px; }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar-widget h3 { font-size: 1.4rem; margin-top: 0; padding-bottom: 0.5rem; border-bottom: 2px solid #3498db; }
        .search-form { display: flex; margin-bottom: 1.5rem; }
        .search-form input[type="search"] { flex-grow: 1; padding: 0.9rem 1rem; border: 2px solid #bdc3c7; border-radius: 8px 0 0 8px; font-size: 1rem; }
        .search-form button { background-color: #2ecc71; color: white; border: none; padding: 0 1.5rem; border-radius: 0 8px 8px 0; cursor: pointer; font-size: 1.1rem; transition: background-color 0.3s; }
        .search-form button:hover { background-color: #27ae60; }
        .rating-widget, .comment-form { background-color: #f8f9fa; padding: 1.5rem; border-radius: 10px; border: 1px solid #e9ecef; }
        .star-rating { display: flex; gap: 5px; margin: 1rem 0; font-size: 1.8rem; color: #f1c40f; cursor: pointer; }
        .star-rating span:hover, .star-rating span.active { color: #f39c12; }
        .comment-form textarea, .comment-form input { width: 100%; padding: 0.9rem; margin-bottom: 1rem; border: 1px solid #ced4da; border-radius: 6px; font-family: inherit; }
        .comment-form button { background-color: #3498db; color: white; padding: 0.9rem 1.8rem; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; transition: background-color 0.3s; }
        .comment-form button:hover { background-color: #2980b9; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; padding-left: 1.2rem; position: relative; }
        .related-links li:before { content: '🎵'; position: absolute; left: 0; }
        footer { margin-top: 4rem; padding: 2.5rem 0; background: #2c3e50; color: #ecf0f1; border-radius: 12px 12px 0 0; text-align: center; }
        friend-link { display: block; margin: 1.5rem 0; }
        friend-link a { color: #4fc3f7; font-size: 1.1rem; margin: 0 1rem; }
        .copyright { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; color: #bdc3c7; }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-3 { margin-top: 1.5rem; }
        .highlight-box { background: linear-gradient(to right, #e3f2fd, #f3e5f5); padding: 1.5rem; border-left: 5px solid #9c27b0; margin: 2rem 0; border-radius: 0 8px 8px 0; }