* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #084298;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .schema-data {
            display: none;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            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;
            padding: 1rem 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
        }
        .logo span {
            color: #ffc107;
        }
        .logo:hover {
            text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: #ffc107;
            border-bottom-color: #ffc107;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            background-color: #2c387e;
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
            border-top: 1px solid #3949ab;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e3f2fd;
            padding: 0.75rem;
            border-radius: 5px;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            background-color: #3949ab;
            color: #ffc107;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: #adb5bd;
        }
        .main-content-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            padding: 2.5rem 0;
            flex: 1;
        }
        .article-content {
            flex: 1 1 70%;
            min-width: 300px;
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            flex: 1 1 25%;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .article-title {
            color: #1a237e;
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #ffc107;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-meta i {
            color: #ffc107;
        }
        h2 {
            color: #283593;
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            color: #5c6bc0;
            font-size: 1.4rem;
            margin: 2rem 0 1rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #495057;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid #0d6efd;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
            color: #856404;
        }
        b, strong {
            color: #1a237e;
        }
        em {
            color: #d81b60;
            font-style: italic;
        }
        .feature-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .stats-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 5px solid #0d6efd;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box h4 {
            color: #1a237e;
            margin-bottom: 1rem;
        }
        .internal-link {
            background-color: #f8f9fa;
            padding: 0.5rem 1rem;
            margin: 1.5rem 0;
            border-radius: 8px;
            border-left: 4px solid #20c997;
            font-style: italic;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .widget-title {
            color: #1a237e;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffc107;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #0d6efd;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: #084298;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #495057;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #0d6efd;
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
        }
        .submit-btn {
            background-color: #198754;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background-color: #146c43;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
            margin-top: 0.5rem;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .internal-links-section {
            background: white;
            margin: 2.5rem 0;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .internal-links-section h2 {
            text-align: center;
            border: none;
            color: #1a237e;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .web-link {
            background: #f8f9fa;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #0d6efd;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
            background-color: #e9ecef;
        }
        .web-link a {
            font-weight: 600;
            color: #1a237e;
            display: block;
        }
        .site-footer {
            background: #1a237e;
            color: #e3f2fd;
            margin-top: 3rem;
        }
        .footer-links {
            padding: 3rem 0;
        }
        .footer-links .web-links-grid {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }
        .footer-links .web-link {
            background: rgba(255, 255, 255, 0.05);
            border-left-color: #ffc107;
        }
        .footer-links .web-link a {
            color: #e3f2fd;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #b0bec5;
        }