* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #1a365d; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 { color: #1a365d; margin-bottom: 1rem; line-height: 1.2; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; border-left: 5px solid #4CAF50; padding-left: 15px; }
        h3 { font-size: 1.8rem; margin-top: 2rem; color: #2c5aa0; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.25rem; font-weight: 300; color: #555; }
        strong { font-weight: 700; color: #1a365d; }
        em { font-style: italic; }
        blockquote {
            border-left: 4px solid #4CAF50;
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f0f8f0;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2c5aa0 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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover { color: #c5d4f0; }
        .logo-icon { color: #4CAF50; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #4CAF50;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a { color: #2c5aa0; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .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 { font-size: 1.4rem; margin-top: 0; border-left: none; padding-left: 0; }
        .search-form { display: flex; margin-top: 1rem; }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #4CAF50;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover { background-color: #3d8b40; }
        .comment-form, .rating-form { margin-top: 2rem; padding-top: 2rem; border-top: 2px dashed #eee; }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #1a365d; }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus { border-color: #4CAF50; outline: none; }
        textarea.form-control { min-height: 150px; resize: vertical; }
        .btn-submit {
            background-color: #2c5aa0;
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .btn-submit:hover { background-color: #1a365d; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            font-size: 2rem;
            color: #ddd;
        }
        .star-rating input { display: none; }
        .star-rating label { cursor: pointer; }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffc107; }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            padding: 1rem;
            font-style: italic;
            color: #666;
            background-color: #f9f9f9;
        }
        .web-links-section {
            background: linear-gradient(to right, #e9ecef, #f8f9fa);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 18px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #2c5aa0;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover { text-decoration: underline; }
        .site-footer {
            background-color: #1a365d;
            color: #c5d4f0;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            border-bottom: 2px solid #4CAF50;
            padding-bottom: 0.5rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #c5d4f0; }
        .footer-links a:hover { color: white; }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2c5aa0;
            font-size: 0.9rem;
            color: #8fa3c9;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-wrap: wrap; }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            .main-nav a { display: block; padding: 1rem 0; }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }