:root {
            --primary-color: #3a6ea5;
            --secondary-color: #ff9f1c;
            --accent-color: #c44536;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --text-color: #333;
            --gray-color: #6c757d;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            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: var(--text-color);
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #ff9f1c;
            font-size: 2rem;
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: #2d3748;
            color: #cbd5e0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 5px;
        }
        .breadcrumb a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 8px;
            color: #a0aec0;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 5px 0;
            position: relative;
            transition: var(--transition);
        }
        nav a:hover {
            color: var(--secondary-color);
        }
        nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-container {
            background-color: var(--light-color);
            padding: 30px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #cbd5e0;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(58, 110, 165, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50%;
            width: 45px;
            height: 45px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #2a4f7c;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .meta i {
            margin-right: 5px;
            color: var(--primary-color);
        }
        section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #cbd5e0;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 159, 28, 0.1);
            border-left: 4px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        em {
            color: var(--accent-color);
            font-style: italic;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 25px auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            margin-top: -15px;
            margin-bottom: 25px;
            font-size: 0.9rem;
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--accent-color);
            border-bottom: 1px solid var(--accent-color);
        }
        .interactive-box {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 30px 0;
            border: 1px solid #dee2e6;
            transition: var(--transition);
        }
        .interactive-box:hover {
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(-3px);
        }
        .interactive-box h3 {
            color: var(--primary-color);
            margin-top: 0;
        }
        .rating-section {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 30px;
            margin-top: 40px;
            text-align: center;
        }
        .rating-section h2 {
            text-align: center;
            border: none;
            margin-bottom: 25px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment-section {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 30px;
            margin-top: 40px;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-group input,
        .form-group textarea {
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(58, 110, 165, 0.2);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            padding: 15px 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #2a4f7c;
            transform: translateY(-2px);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 25px;
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-top: 0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        .widget-list {
            list-style: none;
        }
        .widget-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f1f1f1;
        }
        .widget-list a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .widget-list a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .widget-list i {
            color: var(--secondary-color);
        }
        .footer-links {
            background-color: #2d3748;
            padding: 40px 0;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: #374151;
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #4b5563;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #e5e7eb;
            text-decoration: none;
            font-weight: 600;
            display: block;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: #cbd5e0;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        .social-links a {
            color: #cbd5e0;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .copyright {
            font-size: 0.9rem;
            color: #a0aec0;
            border-top: 1px solid #4a5568;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            aside {
                position: static;
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 20px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            article {
                padding: 25px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
            .meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget, .rating-section, .comment-section {
            animation: fadeIn 0.5s ease forwards;
        }