* { 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: #f9f9f9;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #ff6b00; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #d45a00; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .text-center { text-align: center; }
        .bold { font-weight: 800; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        header { background: linear-gradient(135deg, #1a237e, #4a148c); 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-size: 1.8rem; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; }
        .my-logo a { color: #ffd700; }
        .my-logo a:hover { color: white; }
        .breadcrumb { background: #e8eaf6; padding: 0.8rem; border-radius: 5px; margin: 1rem 0; font-size: 0.9rem; }
        .breadcrumb a { color: #5c6bc0; }
        .breadcrumb span { color: #777; }
        nav.desktop-nav ul { display: flex; list-style: none; gap: 1.5rem; }
        nav.desktop-nav a { color: white; font-weight: 600; padding: 0.5rem 0.8rem; border-radius: 4px; }
        nav.desktop-nav a:hover { background: rgba(255,255,255,0.2); }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; background: none; border: none; color: white; }
        .mobile-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #1a237e; flex-direction: column; padding: 1rem; box-shadow: 0 5px 10px rgba(0,0,0,0.2); }
        .mobile-nav.active { display: flex; }
        .mobile-nav a { color: white; padding: 0.8rem; border-bottom: 1px solid #3949ab; display: block; }
        .mobile-nav a:hover { background: #3949ab; }
        .search-bar { margin: 2rem auto; max-width: 600px; }
        .search-bar form { display: flex; }
        .search-bar input { flex: 1; padding: 0.9rem; border: 2px solid #ff6b00; border-radius: 5px 0 0 5px; font-size: 1rem; }
        .search-bar button { background: #ff6b00; color: white; border: none; padding: 0 1.5rem; border-radius: 0 5px 5px 0; cursor: pointer; font-size: 1.1rem; }
        .search-bar button:hover { background: #e55a00; }
        main { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin: 2rem 0; }
        h1 { color: #1a237e; font-size: 2.5rem; margin-bottom: 1.5rem; border-bottom: 3px solid #ffd700; padding-bottom: 0.5rem; }
        h2 { color: #4a148c; margin: 2rem 0 1rem; font-size: 2rem; }
        h3 { color: #6a1b9a; margin: 1.5rem 0 1rem; font-size: 1.6rem; }
        h4 { color: #8e24aa; margin: 1.2rem 0 0.8rem; font-size: 1.3rem; }
        p, li { margin-bottom: 1.2rem; font-size: 1.1rem; color: #444; }
        ul, ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        .article-meta { color: #777; font-style: italic; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px dashed #ccc; }
        .featured-img { margin: 2rem auto; border-radius: 10px; overflow: hidden; border: 5px solid #ffd700; max-width: 800px; }
        .featured-img img { width: 100%; transition: transform 0.5s; }
        .featured-img img:hover { transform: scale(1.03); }
        .caption { text-align: center; font-style: italic; color: #666; margin-top: 0.5rem; }
        .info-box { background: #e3f2fd; border-left: 5px solid #2196f3; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
        .tip-box { background: #f1f8e9; border-left: 5px solid #7cb342; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
        .btn { display: inline-block; background: linear-gradient(to right, #ff6b00, #ff8f00); color: white; padding: 0.8rem 1.8rem; border-radius: 50px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 4px 10px rgba(255,107,0,0.3); transition: all 0.3s; }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 6px 15px rgba(255,107,0,0.5); }
        .user-interaction { margin: 3rem 0; padding: 2rem; background: #f5f5f5; border-radius: 10px; }
        .rating-section, .comment-section { margin-bottom: 2.5rem; }
        .stars { font-size: 2rem; color: #ffd700; margin: 1rem 0; }
        .stars i { cursor: pointer; margin: 0 3px; }
        .comment-form textarea, .comment-form input { width: 100%; padding: 1rem; margin-bottom: 1rem; border: 1px solid #ccc; border-radius: 5px; font-family: inherit; }
        .comment-form button { background: #4caf50; color: white; border: none; padding: 0.8rem 2rem; border-radius: 5px; cursor: pointer; }
        .comment-form button:hover { background: #388e3c; }
        footer { background: #1a237e; color: #ddd; padding: 3rem 0 1.5rem; margin-top: 3rem; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
        .footer-section h4 { color: #ffd700; margin-bottom: 1.2rem; }
        .friend-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
        friend-link { display: inline-block; background: rgba(255,255,255,0.1); padding: 0.5rem 1rem; border-radius: 4px; }
        friend-link a { color: #90caf9; }
        friend-link a:hover { color: white; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #3949ab; font-size: 0.9rem; color: #aaa; }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            nav.desktop-nav { display: none; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            main { padding: 1.5rem; }
            .footer-content { grid-template-columns: 1fr; }
        }