* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #38b2ac;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--accent);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 2rem;
        }
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }
        nav ul li a:hover,
        nav ul li a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: var(--light);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 5px;
        }
        .search-container {
            background: var(--accent);
            padding: 2rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: none;
            font-size: 1rem;
            border-radius: 5px 0 0 5px;
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #c53030;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        article h1 {
            color: var(--primary);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .meta {
            color: var(--gray);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .meta i {
            margin-right: 0.5rem;
        }
        article h2 {
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        article h3 {
            color: var(--dark);
            margin: 1.5rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article em {
            background: #fffacd;
            font-style: italic;
            padding: 0 3px;
        }
        article strong {
            color: var(--primary);
            font-weight: 700;
        }
        .highlight-box {
            background: #e6fffa;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .image-container figcaption {
            margin-top: 0.5rem;
            color: var(--gray);
            font-style: italic;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        aside h3 {
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .toc ul {
            list-style: none;
            margin-left: 0;
        }
        .toc li {
            margin-bottom: 0.8rem;
        }
        .toc a {
            color: var(--dark);
            text-decoration: none;
            display: block;
            padding: 0.5rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .toc a:hover {
            background: var(--light);
            color: var(--primary);
        }
        .rating-widget {
            text-align: center;
            padding: 1.5rem;
            border: 1px dashed var(--accent);
            border-radius: 10px;
            margin-top: 2rem;
        }
        .stars {
            color: #ffc107;
            font-size: 1.5rem;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.1);
        }
        .comments-section {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-top: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 5px;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 100px;
        }
        .comment-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: #2c5282;
        }
        .comment {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.5rem 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            color: var(--gray);
        }
        .footer-links {
            background: var(--light);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }
        .copyright {
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2rem;
            }
        }