:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #f59e0b;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --border: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #ffffff;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .section {
            padding: 80px 0;
        }
        .header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }
        .logo {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .nav-desktop {
            display: flex;
            gap: 32px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 0;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--dark);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: white;
            padding: 20px;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile .nav-link {
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            padding: 20px 0;
            background-color: #f1f5f9;
            font-size: 14px;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 30px 30px;
            opacity: 0.3;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 16px;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .article-content {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 60px 0 25px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        .article-content h3 {
            font-size: 1.7rem;
            margin: 40px 0 20px;
            color: var(--primary-dark);
        }
        .article-content p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-content em {
            background-color: #fef3c7;
            padding: 2px 6px;
            border-radius: 4px;
            font-style: italic;
        }
        .article-content blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: var(--gray);
            background-color: #f8fafc;
            padding: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight-box {
            background: linear-gradient(to right, #dbeafe, #eff6ff);
            border-left: 5px solid var(--primary);
            padding: 25px;
            margin: 35px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .image-wrapper {
            margin: 40px 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .interactive-section {
            background-color: #f8fafc;
            border-radius: var(--radius);
            padding: 40px;
            margin: 60px auto;
            max-width: 800px;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 28px;
            color: #e2e8f0;
            cursor: pointer;
        }
        .rating-stars i.active {
            color: #fbbf24;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 15px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 16px;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .footer-links {
            background-color: #1e293b;
            color: white;
            padding: 60px 0 30px;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 18px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link a:hover {
            color: white;
        }
        .footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 40px 0;
            text-align: center;
        }
        .footer p {
            margin-bottom: 10px;
        }
        .schema-data {
            display: none;
        }