:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            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: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--light);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .logo span {
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #cbd5e1;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        nav {
            padding: 15px 0;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .nav-links a:hover {
            background-color: #e2e8f0;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
            background-color: #f1f5f9;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--dark);
            font-weight: 500;
            background: linear-gradient(90deg, #fef3c7, #fde68a);
            padding: 25px;
            border-radius: var(--radius);
            border-left: 5px solid var(--accent);
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
        }
        blockquote {
            border-left: 5px 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;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: var(--primary);
            color: white;
            padding: 25px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        .stat-card h4 {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .interactive-section {
            background-color: #f8fafc;
            border: 2px dashed #cbd5e1;
            border-radius: var(--radius);
            padding: 30px;
            margin: 40px 0;
            text-align: center;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin: 10px;
        }
        .btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary);
        }
        .user-interaction {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #e2e8f0;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
        }
        .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 #cbd5e1;
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 20px;
        }
        .form-row .form-group {
            flex: 1;
        }
        .footer-links {
            background-color: #f1f5f9;
            padding: 40px 0;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
        }
        .web-link {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 0 10px 15px 0;
            border-radius: 50px;
            box-shadow: var(--shadow);
            font-weight: 500;
            border: 1px solid #e2e8f0;
        }
        .web-link:hover {
            background-color: var(--primary);
            color: white;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #cbd5e1;
            border-top: 1px solid #334155;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 30px; }
            .nav-links { gap: 15px; }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--light);
                box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
                padding: 20px;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                margin-top: 15px;
                max-width: 100%;
            }
        }
        @media (max-width: 576px) {
            article { padding: 20px; }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
            .stat-card h4 { font-size: 1.6rem; }
            .btn { padding: 10px 20px; }
        }