* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #fbbf24;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f8fafc;
            --border-color: #e5e7eb;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-light);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            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 {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            color: var(--accent-color);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.75rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: #eef2ff;
            padding: 0.75rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:last-child {
            color: var(--primary-color);
            font-weight: 500;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: var(--text-light);
        }
        .search-container {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--border-color);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: var(--primary-color);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: #1e40af;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin: 2.5rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin: 1.8rem 0 0.8rem 0;
        }
        h4 {
            font-size: 1.1rem;
            color: var(--secondary-color);
            margin: 1.5rem 0 0.5rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff7ed;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background-color: #f0f9ff;
            border: 1px solid #bae6fd;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
        }
        .stat-card h4 {
            color: #0369a1;
        }
        .img-container {
            margin: 2rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-style: italic;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .last-updated {
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: right;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
        }
        .interactive-section {
            background-color: #f8fafc;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid var(--border-color);
        }
        .rating-container, .comment-container {
            margin-bottom: 2rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button, .score-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .comment-form button:hover, .score-form button:hover {
            background-color: #1e40af;
        }
        footer {
            background-color: #111827;
            color: #d1d5db;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #9ca3af;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: inline-block;
            background-color: #1f2937;
            color: #9ca3af;
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #374151;
            font-size: 0.9rem;
            color: #9ca3af;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .desktop-nav {
                display: none;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            article {
                padding: 1.5rem;
            }
            .header-content, .footer-content {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: 50px;
                padding: 0.9rem;
            }
        }
