* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f5f7fa;
            background-image: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Arial Black', Gadget, sans-serif; color: #1a3a6c; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-left: 6px solid #ff6600; padding-left: 20px; margin-top: 2rem; }
        h2 { font-size: 2.2rem; padding-bottom: 0.5rem; border-bottom: 3px solid #e6eef7; }
        h3 { font-size: 1.8rem; color: #2c5282; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        a { color: #2c5282; text-decoration: none; transition: color 0.3s, background-color 0.3s; }
        a:hover { color: #ff6600; }
        strong { color: #1a365d; }
        em { color: #4a5568; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        header { background: linear-gradient(90deg, #1a365d 0%, #2c5282 100%); color: white; box-shadow: 0 4px 12px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
        .header-top { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
        .logo a {
            font-size: 2.5rem; font-weight: 900; color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            background: linear-gradient(90deg, #ff8a00, #ffcc00);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo a:hover { text-shadow: 0 0 8px rgba(255,204,0,0.7); }
        .header-bottom { padding: 10px 0; }
        nav ul { list-style: none; display: flex; justify-content: center; flex-wrap: wrap; }
        nav ul li { margin: 0 15px; }
        nav ul li a { color: #e2e8f0; font-weight: 600; padding: 10px 5px; position: relative; }
        nav ul li a:hover { color: #ffcc00; }
        nav ul li a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: #ffcc00; transition: width 0.3s; }
        nav ul li a:hover::after { width: 100%; }
        .menu-toggle { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        @media (max-width: 768px) {
            .menu-toggle { display: block; position: absolute; top: 20px; right: 20px; }
            nav ul {
                flex-direction: column; display: none; background: #2c5282; padding: 20px; border-radius: 0 0 10px 10px; margin-top: 10px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            nav ul.active { display: flex; }
            nav ul li { margin: 10px 0; }
        }
        .breadcrumb { padding: 15px 0; background-color: #edf2f7; font-size: 0.9rem; }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #2c5282; }
        .breadcrumb span { color: #718096; }
        article { background: white; padding: 40px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }
        .article-meta { color: #718096; font-size: 0.95rem; margin-bottom: 30px; padding-bottom: 15px; border-bottom: 1px solid #e2e8f0; }
        .intro { font-size: 1.3rem; color: #2d3748; background: #f0f9ff; padding: 25px; border-radius: 10px; border-left: 5px solid #4299e1; margin-bottom: 40px; }
        .featured-image { margin: 30px auto; border-radius: 10px; overflow: hidden; box-shadow: 0 15px 30px rgba(0,0,0,0.15); border: 5px solid white; }
        .highlight-box { background: linear-gradient(135deg, #fff8e1, #ffecb3); border-left: 6px solid #ff9800; padding: 25px; margin: 30px 0; border-radius: 0 10px 10px 0; }
        .quote { font-style: italic; border-left: 4px solid #a0aec0; padding-left: 25px; margin: 30px 0; color: #4a5568; background: #f7fafc; padding: 20px; border-radius: 5px; }
        .btn {
            display: inline-block; background: linear-gradient(90deg, #ff8a00, #ffcc00); color: #1a365d;
            padding: 12px 28px; border-radius: 50px; font-weight: bold; border: none; cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3); transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4); color: #1a365d; }
        aside { background: white; padding: 30px; border-radius: 15px; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06); align-self: start; position: sticky; top: 140px; }
        .sidebar-widget { margin-bottom: 35px; }
        .sidebar-widget h3 { font-size: 1.4rem; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid #e6eef7; }
        .search-form input { width: 100%; padding: 12px 15px; border: 2px solid #cbd5e0; border-radius: 50px 0 0 50px; }
        .search-form button {
            background: #2c5282; color: white; border: none; padding: 12px 25px; border-radius: 0 50px 50px 0; cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #1a365d; }
        .rating-widget .stars { color: #ffcc00; font-size: 1.5rem; margin-bottom: 15px; }
        .rating-widget select, .comment-form textarea, .comment-form input { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #cbd5e0; border-radius: 8px; }
        .comment-form textarea { min-height: 120px; resize: vertical; }
        .internal-links { background: #1a365d; padding: 40px 0; color: #e2e8f0; }
        .web-link { display: inline-block; background: rgba(255,255,255,0.05); margin: 10px; padding: 15px 25px; border-radius: 8px; transition: background 0.3s, transform 0.3s; }
        .web-link:hover { background: rgba(255,204,0,0.15); transform: scale(1.05); }
        .web-link a { color: #ffcc00; font-weight: 600; }
        footer { background: #0f1c2e; color: #a0aec0; text-align: center; padding: 40px 20px; }
        .footer-links a { color: #cbd5e0; margin: 0 15px; }
        .copyright { margin-top: 20px; font-size: 0.9rem; color: #718096; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article, aside { padding: 25px; }
            .main-content { gap: 25px; }
        }