* { 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: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        a { color: #2563eb; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1d4ed8; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fef3c7; padding: 0 5px; border-radius: 3px; }
        .main-header { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%); color: white; padding: 1rem 0; box-shadow: 0 4px 12px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
        .header-content { display: flex; justify-content: space-between; align-items: center; }
        .logo a { font-size: 2.2rem; font-weight: 900; color: white; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); letter-spacing: -0.5px; }
        .logo a:hover { color: #dbeafe; }
        .main-nav ul { display: flex; list-style: none; gap: 2rem; }
        .main-nav a { color: #e0f2fe; font-weight: 600; padding: 0.5rem 1rem; border-radius: 50px; }
        .main-nav a:hover { background-color: rgba(255,255,255,0.15); color: white; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; }
        .breadcrumb { padding: 1rem 0; background-color: #e5e7eb; font-size: 0.9rem; }
        .breadcrumb ol { display: flex; list-style: none; flex-wrap: wrap; gap: 0.5rem; }
        .breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 0.5rem; color: #6b7280; }
        .breadcrumb a { color: #4b5563; }
        .breadcrumb a:hover { color: #1f2937; }
        .search-section { background-color: #1e40af; padding: 2rem 0; }
        .search-form { max-width: 700px; margin: 0 auto; display: flex; }
        .search-input { flex-grow: 1; padding: 1rem 1.5rem; border: none; border-radius: 50px 0 0 50px; font-size: 1.1rem; }
        .search-button { background-color: #10b981; color: white; border: none; border-radius: 0 50px 50px 0; padding: 0 2rem; cursor: pointer; font-weight: 600; transition: background-color 0.3s; }
        .search-button:hover { background-color: #0da271; }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; padding: 3rem 0; }
        .article-content h1 { font-size: 2.8rem; color: #1e3a8a; margin-bottom: 1.5rem; line-height: 1.2; }
        .article-content h2 { font-size: 2rem; color: #1e40af; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 3px solid #dbeafe; }
        .article-content h3 { font-size: 1.5rem; color: #3b82f6; margin: 2rem 0 1rem; }
        .article-content p { margin-bottom: 1.5rem; font-size: 1.1rem; color: #374151; text-align: justify; }
        .article-content blockquote { border-left: 5px solid #3b82f6; padding-left: 2rem; margin: 2rem 0; font-style: italic; color: #4b5563; background-color: #f3f4f6; padding: 1.5rem; border-radius: 0 8px 8px 0; }
        .article-content ul, .article-content ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        .featured-image { margin: 2rem 0; border-radius: 12px; overflow: hidden; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
        .img-caption { text-align: center; font-size: 0.9rem; color: #6b7280; margin-top: 0.5rem; font-style: italic; }
        .internal-links { background-color: #eff6ff; padding: 1.5rem; border-radius: 10px; margin: 2.5rem 0; border-left: 5px solid #2563eb; }
        .internal-links ul { list-style: none; margin: 0; display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
        .internal-links a { background-color: white; padding: 0.8rem 1.5rem; border-radius: 50px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); font-weight: 600; display: inline-block; border: 2px solid transparent; }
        .internal-links a:hover { border-color: #2563eb; transform: translateY(-3px); }
        .sidebar-widget { background: white; padding: 1.5rem; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 2rem; }
        .sidebar-widget h3 { color: #1e40af; margin-bottom: 1rem; font-size: 1.3rem; }
        .rating-widget .stars { display: flex; justify-content: center; gap: 5px; margin-bottom: 1rem; }
        .rating-widget .star { font-size: 1.8rem; color: #d1d5db; cursor: pointer; transition: color 0.2s; }
        .rating-widget .star:hover, .rating-widget .star.active { color: #fbbf24; }
        .rating-form input, .rating-form textarea, .comment-form input, .comment-form textarea { width: 100%; padding: 0.8rem; margin-bottom: 1rem; border: 1px solid #d1d5db; border-radius: 8px; font-family: inherit; }
        .rating-form button, .comment-form button { background-color: #10b981; color: white; border: none; padding: 0.8rem 1.5rem; border-radius: 8px; cursor: pointer; width: 100%; font-weight: 600; transition: background-color 0.3s; }
        .rating-form button:hover, .comment-form button:hover { background-color: #0da271; }
        .user-interaction { background-color: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); margin: 3rem 0; grid-column: 1 / -1; }
        .interaction-tabs { display: flex; border-bottom: 2px solid #e5e7eb; margin-bottom: 2rem; }
        .tab-button { padding: 1rem 2rem; background: none; border: none; font-size: 1.1rem; font-weight: 600; color: #6b7280; cursor: pointer; border-bottom: 3px solid transparent; }
        .tab-button.active { color: #1e40af; border-bottom-color: #1e40af; }
        .tab-content { display: none; }
        .tab-content.active { display: block; }
        .comment { border-bottom: 1px solid #e5e7eb; padding: 1.5rem 0; }
        .comment-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; color: #4b5563; }
        .footer-links { background-color: #1f2937; padding: 3rem 0; }
        .web-link-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
        .web-link { background-color: #374151; padding: 1.2rem; border-radius: 8px; transition: transform 0.3s, background-color 0.3s; }
        .web-link:hover { background-color: #4b5563; transform: translateY(-5px); }
        .web-link a { color: #e5e7eb; display: block; font-weight: 500; }
        .web-link a:hover { color: white; }
        .main-footer { background-color: #111827; color: #9ca3af; padding: 2rem 0; text-align: center; font-size: 0.9rem; }
        .footer-nav { margin-bottom: 1.5rem; }
        .footer-nav a { color: #d1d5db; margin: 0 1rem; }
        .copyright { margin-top: 1rem; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .internal-links ul { flex-direction: column; align-items: center; }
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: #1e40af; padding: 1rem; box-shadow: 0 10px 15px rgba(0,0,0,0.1); }
            .main-nav.active ul { display: flex; }
            .hamburger { display: block; }
            .header-content { flex-wrap: wrap; }
            .article-content h1 { font-size: 2.2rem; }
            .article-content h2 { font-size: 1.8rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-button { border-radius: 50px; margin-bottom: 0.5rem; }
        }