:root {
            --primary-color: #0033a0; 
            --secondary-color: #d20032; 
            --accent-color: #f5a623; 
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
            --success-color: #28a745;
            --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.7;
            color: var(--dark-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), #00257a);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            padding: 1rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo span {
            color: var(--accent-color);
            font-weight: 900;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-color);
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        .nav-menu a:hover::after {
            width: 80%;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 1.5rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb ol {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--gray-color);
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 2.5rem;
            overflow: hidden;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }
        .widget h3 {
            color: var(--primary-color);
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
            margin-top: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            padding: 0 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #00257a;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: var(--font-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 51, 160, 0.1);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent-color);
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #00257a;
            transform: translateY(-2px);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent-color);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark-color);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--gray-color);
            background: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2rem;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        a.content-link {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary-color);
            transition: var(--transition);
        }
        a.content-link:hover {
            color: var(--primary-color);
            border-bottom-style: solid;
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
            display: block;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        friend-link a {
            color: var(--accent-color) !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-color);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .nav-menu.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-container {
                gap: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }