* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2A4365; 
            --secondary: #DD6B20; 
            --accent: #805AD5; 
            --light: #F7FAFC;
            --dark: #1A202C;
            --text: #2D3748;
            --text-light: #718096;
            --success: #38A169;
            --warning: #D69E2E;
            --danger: #E53E3E;
            --border: #E2E8F0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #fff;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        h1 {
            font-size: 2.5rem;
            margin-top: 1.5rem;
            border-left: 5px solid var(--secondary);
            padding-left: 1rem;
        }
        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(--primary);
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--accent);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        strong {
            color: var(--dark);
            font-weight: 700;
        }
        em {
            color: var(--accent);
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background-color: var(--light);
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background-color: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo i {
            color: var(--secondary);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            text-decoration: none;
            color: var(--secondary);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            padding: 1.5rem;
            z-index: 999;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 1rem;
        }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem;
            display: block;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }
        .breadcrumb .separator {
            color: var(--text-light);
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            text-align: center;
            color: white;
        }
        .search-section h2 {
            color: white;
            border: none;
            margin-bottom: 1.5rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: none;
            border-radius: var(--radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            box-shadow: 0 0 0 3px rgba(221, 107, 32, 0.3);
        }
        .search-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-btn:hover {
            background-color: #c05621;
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        article {
            background-color: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .code-box {
            background: linear-gradient(135deg, #1a202c, #2d3748);
            color: white;
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            text-align: center;
            border: 2px dashed var(--secondary);
        }
        .code-box h3 {
            color: white;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .code-item {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: var(--radius);
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            font-weight: 600;
            letter-spacing: 1px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .code-item:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .copy-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .copy-btn:hover {
            background-color: #c05621;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .article-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .data-table th {
            background-color: var(--primary);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .data-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:nth-child(even) {
            background-color: var(--light);
        }
        .data-table tr:hover {
            background-color: rgba(221, 107, 32, 0.1);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            border-bottom: 2px solid var(--border);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .interaction-section {
            margin: 3rem 0;
            padding: 2rem;
            background-color: var(--light);
            border-radius: var(--radius);
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 2rem;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars .active {
            color: #FFD700;
        }
        .rating-form, .comment-form {
            background-color: white;
            padding: 2rem;
            border-radius: var(--radius);
            margin-top: 2rem;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(221, 107, 32, 0.1);
        }
        .submit-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #c05621;
            transform: translateY(-2px);
        }
        .footer-links {
            background-color: var(--primary);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            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: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            color: white;
            background-color: rgba(255, 255, 255, 0.1);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .social-links a:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            text-decoration: none;
        }
        .copyright {
            color: var(--text-light);
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            width: 100%;
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .note {
            background-color: rgba(56, 161, 105, 0.1);
            border-left: 4px solid var(--success);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .warning {
            background-color: rgba(229, 62, 62, 0.1);
            border-left: 4px solid var(--danger);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .tag {
            background-color: var(--light);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--text);
            transition: var(--transition);
        }
        .tag:hover {
            background-color: var(--secondary);
            color: white;
            text-decoration: none;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-content {
                padding: 0 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .data-table {
                display: block;
                overflow-x: auto;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 1rem;
            }
            article, .sidebar-widget, .rating-form, .comment-form {
                padding: 1.5rem;
            }
            .footer-links {
                padding: 2rem 0;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }