        * { 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;
            background-image: linear-gradient(to bottom right, #f0f4ff 0%, #e6f7ff 100%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        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: 1.5rem; border-bottom: 3px solid #4a6fa5; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; padding-left: 10px; border-left: 5px solid #e63946; }
        h3 { font-size: 1.8rem; margin-top: 2rem; color: #2a4c7d; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; color: #457b9d; }
        p { margin-bottom: 1.5rem; text-align: justify; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #555; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .term { font-style: italic; color: #d90429; font-weight: 600; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin-top: 30px; }
        @media (max-width: 992px) { .main-content { grid-template-columns: 1fr; } }
        header { background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); color: white; padding: 1.5rem 0; border-radius: 0 0 15px 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); margin-bottom: 2rem; }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .logo a { font-family: 'Palatino Linotype', serif; font-size: 2.8rem; font-weight: bold; color: #fff; text-decoration: none; text-shadow: 2px 2px 4px rgba(0,0,0,0.5); letter-spacing: 1px; }
        .logo span { color: #ffd166; }
        .search-box { display: flex; margin: 15px 0; }
        .search-box input { flex-grow: 1; padding: 12px 20px; border: none; border-radius: 30px 0 0 30px; font-size: 1rem; }
        .search-box button { background: #e63946; color: white; border: none; border-radius: 0 30px 30px 0; padding: 0 25px; cursor: pointer; font-size: 1.1rem; transition: background 0.3s; }
        .search-box button:hover { background: #c1121f; }
        nav { background-color: #2d3748; border-radius: 10px; margin-top: 15px; }
        .nav-desktop { display: flex; list-style: none; justify-content: center; flex-wrap: wrap; }
        .nav-desktop li { position: relative; }
        .nav-desktop a { color: #e2e8f0; text-decoration: none; padding: 18px 24px; display: block; font-weight: 500; transition: all 0.3s; border-bottom: 3px solid transparent; }
        .nav-desktop a:hover, .nav-desktop a.active { background-color: #4a5568; border-bottom-color: #e63946; color: white; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; padding: 10px; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; flex-direction: column; width: 100%; }
            .nav-desktop.active { display: flex; }
            .nav-desktop li { width: 100%; text-align: center; }
        }
        .breadcrumb { padding: 15px 0; font-size: 0.95rem; color: #6b7280; }
        .breadcrumb a { color: #4a6fa5; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        article { background: white; padding: 40px; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); margin-bottom: 30px; }
        .article-meta { color: #718096; font-style: italic; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px dashed #cbd5e0; }
        .featured-img { width: 80%; margin: 2rem auto; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 25px rgba(0,0,0,0.1); border: 5px solid white; }
        .featured-img img { transition: transform 0.5s; }
        .featured-img img:hover { transform: scale(1.03); }
        .img-caption { text-align: center; font-style: italic; color: #666; margin-top: 10px; font-size: 0.95rem; }
        blockquote { border-left: 5px solid #4a6fa5; background: #f0f7ff; padding: 25px; margin: 2rem 0; border-radius: 0 10px 10px 0; font-size: 1.2rem; color: #2d3748; }
        blockquote cite { display: block; margin-top: 10px; font-size: 1rem; color: #6b7280; }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        aside { background: white; padding: 25px; border-radius: 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); align-self: start; position: sticky; top: 20px; }
        .sidebar-widget { margin-bottom: 35px; }
        .sidebar-widget h3 { font-size: 1.4rem; padding-bottom: 10px; border-bottom: 2px solid #e63946; margin-bottom: 20px; }
        .rating-form, .comment-form { display: flex; flex-direction: column; }
        .rating-form label, .comment-form label { font-weight: 600; margin-bottom: 8px; }
        .stars { display: flex; justify-content: center; margin: 15px 0; font-size: 1.8rem; color: #ffd700; cursor: pointer; }
        .stars i { margin: 0 3px; transition: color 0.2s; }
        .stars i:hover { color: #ffed4e; }
        textarea, input[type="text"], input[type="email"] { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #cbd5e0; border-radius: 8px; font-family: inherit; }
        button[type="submit"] { background: linear-gradient(to right, #1e3c72, #2a5298); color: white; border: none; padding: 14px; border-radius: 8px; font-size: 1.1rem; cursor: pointer; transition: opacity 0.3s; }
        button[type="submit"]:hover { opacity: 0.9; }
        .toc ul { list-style: none; margin-left: 0; }
        .toc li { margin-bottom: 10px; }
        .toc a { text-decoration: none; color: #4a5568; padding: 5px 0; display: block; border-left: 3px solid transparent; padding-left: 10px; transition: all 0.2s; }
        .toc a:hover { border-left-color: #e63946; color: #1a365d; font-weight: 600; }
        .footer-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; background: #1a365d; padding: 40px; border-radius: 15px 15px 0 0; margin-top: 50px; }
        .web-link { background: white; padding: 20px; border-radius: 10px; text-align: center; box-shadow: 0 3px 10px rgba(0,0,0,0.05); transition: transform 0.3s; }
        .web-link:hover { transform: translateY(-5px); }
        .web-link a { color: #2a5298; text-decoration: none; font-weight: 600; font-size: 1.05rem; }
        .web-link a:hover { text-decoration: underline; }
        @media (max-width: 1100px) { .footer-links { grid-template-columns: repeat(3, 1fr); } }
        @media (max-width: 768px) { .footer-links { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 480px) { .footer-links { grid-template-columns: 1fr; } }
        footer { background: #0d1b2a; color: #e2e8f0; text-align: center; padding: 30px; border-radius: 0 0 15px 15px; margin-bottom: 20px; }
        .copyright { margin-top: 20px; font-size: 0.9rem; color: #a0aec0; }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1rem; }
        .mt-3 { margin-top: 1rem; }
        .bold { font-weight: 700; }
        .divider { height: 2px; background: linear-gradient(to right, transparent, #4a6fa5, transparent); margin: 2.5rem 0; }
