* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --text: #4a5568;
            --border: #e2e8f0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        h1, h2, h3, h4 {
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.5rem;
            border-left: 5px solid var(--secondary);
            padding-left: 1rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .container {
            width: 100%;
            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 {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(90deg, #f6ad55, #fc8181);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--primary);
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .mobile-nav.active {
            display: block;
            animation: slideDown 0.3s ease;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .mobile-nav a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 1rem 0;
            box-shadow: var(--shadow);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        @media (max-width: 992px) {
            .sidebar {
                order: -1;
            }
        }
        .search-box {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid var(--border);
            border-radius: var(--radius) 0 0 var(--radius);
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .rating-widget, .comments-widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
        }
        .rating-form, .comment-form {
            margin-top: 1rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }
        .intro-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
        }
        .intro-box::before {
            content: "🔥";
            position: absolute;
            top: -20px;
            right: -20px;
            font-size: 8rem;
            opacity: 0.2;
            transform: rotate(15deg);
        }
        .highlight {
            background: #fffaf0;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight h4 {
            color: var(--secondary);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .responsive-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .responsive-img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: var(--text);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .comparison-table th,
        .comparison-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .comparison-table th {
            background: var(--primary);
            color: white;
            font-weight: 600;
        }
        .comparison-table tr:hover {
            background: #f7fafc;
        }
        .badge {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.5rem;
        }
        .badge-primary {
            background: #bee3f8;
            color: #2c5282;
        }
        .badge-success {
            background: #c6f6d5;
            color: #276749;
        }
        .badge-warning {
            background: #feebc8;
            color: #975a16;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .px-1 { padding-left: 1rem; padding-right: 1rem; }
        .emoji { font-size: 1.2em; }
        .keyword { color: var(--secondary); font-weight: 600; }
        .strong { font-weight: 700; color: var(--primary); }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.3rem; }
            .article-content,
            .search-box,
            .rating-widget,
            .comments-widget {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease;
        }