* { 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%, #e4e8f0 100%);
            max-width: 120rem;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', Times, serif; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 2rem; border-bottom: 3px solid #c53030; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #2d3748; margin-top: 3rem; padding-left: 0.5rem; border-left: 5px solid #ed8936; }
        h3 { font-size: 1.8rem; color: #4a5568; margin-top: 2.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        a { color: #2b6cb0; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #c53030; }
        strong { color: #2d3748; font-weight: 700; }
        em { font-style: italic; color: #718096; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        .container { display: grid; grid-template-columns: 1fr; gap: 2rem; }
        .main-content { grid-column: 1; }
        .site-header { background: linear-gradient(to right, #1a202c, #2d3748); color: white; padding: 1.5rem 0; border-radius: 0 0 10px 10px; margin-bottom: 2rem; 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; }
        .logo a { font-size: 2.2rem; font-weight: 800; color: #f6ad55; text-transform: uppercase; letter-spacing: 1px; }
        .logo a:hover { color: #fc8181; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a { color: #cbd5e0; font-weight: 500; padding: 0.5rem 1rem; border-radius: 5px; }
        .nav-desktop a:hover { background-color: #4a5568; color: white; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; }
        .nav-mobile { display: none; flex-direction: column; background-color: #2d3748; width: 100%; margin-top: 1rem; border-radius: 5px; overflow: hidden; }
        .nav-mobile.active { display: flex; }
        .nav-mobile a { color: #e2e8f0; padding: 1rem; border-bottom: 1px solid #4a5568; }
        .nav-mobile a:hover { background-color: #4a5568; }
        .breadcrumb { margin: 1.5rem 0; font-size: 0.95rem; color: #718096; }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb i { margin: 0 0.5rem; }
        .search-box { background: #edf2f7; padding: 2rem; border-radius: 10px; margin: 2rem 0; text-align: center; }
        .search-box h3 { color: #2d3748; margin-top: 0; }
        .search-form { display: flex; max-width: 600px; margin: 1rem auto; }
        .search-form input[type="search"] { flex-grow: 1; padding: 1rem; border: 2px solid #cbd5e0; border-radius: 5px 0 0 5px; font-size: 1rem; }
        .search-form button { background: #3182ce; color: white; border: none; padding: 1rem 1.5rem; border-radius: 0 5px 5px 0; cursor: pointer; font-weight: 600; transition: background 0.3s; }
        .search-form button:hover { background: #2c5282; }
        .article-intro { background: #fff; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 2rem; border-left: 5px solid #38a169; }
        .content-section { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 2rem; }
        .featured-image { width: 100%; max-width: 800px; height: auto; border-radius: 10px; margin: 2rem auto; display: block; box-shadow: 0 8px 20px rgba(0,0,0,0.1); border: 5px solid #fff; }
        .image-caption { text-align: center; font-style: italic; color: #718096; margin-top: 0.5rem; }
        .pull-quote { border-left: 5px solid #dd6b20; background: #fefcbf; padding: 1.5rem; margin: 2rem; font-size: 1.3rem; font-style: italic; color: #744210; border-radius: 0 10px 10px 0; }
        .stats-box { background: #ebf8ff; border: 2px dashed #4299e1; padding: 1.5rem; border-radius: 10px; margin: 2rem 0; }
        .stats-box h4 { color: #2b6cb0; }
        .interactive-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin: 2rem 0; }
        .btn { padding: 0.8rem 1.5rem; border-radius: 5px; font-weight: 600; cursor: pointer; border: none; transition: all 0.3s; }
        .btn-primary { background: #3182ce; color: white; }
        .btn-primary:hover { background: #2b6cb0; transform: translateY(-3px); box-shadow: 0 7px 14px rgba(50, 115, 220, 0.3); }
        .btn-secondary { background: #e2e8f0; color: #2d3748; }
        .btn-secondary:hover { background: #cbd5e0; transform: translateY(-3px); }
        .user-feedback { background: #f7fafc; padding: 2rem; border-radius: 10px; border: 1px solid #e2e8f0; margin: 3rem 0; }
        .rating-widget { margin-bottom: 2rem; }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .star { font-size: 1.8rem; color: #cbd5e0; cursor: pointer; transition: color 0.2s; }
        .star.active, .star:hover { color: #f6ad55; }
        .comment-form textarea, .comment-form input { width: 100%; padding: 1rem; margin-bottom: 1rem; border: 1px solid #cbd5e0; border-radius: 5px; font-family: inherit; }
        .comment-form button { background: #38a169; color: white; }
        .comment-form button:hover { background: #2f855a; }
        .longtail-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; margin: 3rem 0; }
        .web-link { background: #edf2f7; padding: 1rem; border-radius: 5px; border-left: 4px solid #667eea; }
        .web-link a { color: #2d3748; font-weight: 500; }
        .web-link a:hover { color: #667eea; }
        .site-footer { background: #1a202c; color: #a0aec0; padding: 3rem 1rem; border-radius: 10px 10px 0 0; margin-top: 4rem; }
        .footer-container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #4a5568; width: 100%; font-size: 0.9rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .nav-desktop { display: none; }
            .hamburger { display: block; align-self: flex-end; margin-top: -3rem; }
            .nav-mobile { width: 100%; }
            .footer-container { flex-direction: column; }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 5px; width: 100%; margin-bottom: 0.5rem; }
            .interactive-btns { flex-direction: column; }
            .pull-quote { margin: 2rem 0; }
        }