* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2563eb;
            --secondary-color: #7c3aed;
            --accent-color: #f59e0b;
            --text-primary: #1f2937;
            --text-secondary: #4b5563;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --border-color: #e5e7eb;
            --success-color: #10b981;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px 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-primary);
            background-color: var(--bg-light);
            font-size: 18px;
        }
        h1, h2, h3, h4 {
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--secondary-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
        }
        .nav-desktop a:hover {
            background-color: var(--bg-light);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background-color: var(--bg-white);
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
            z-index: 1001;
            padding: 2rem;
            overflow-y: auto;
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }
        .close-menu {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav-links a {
            padding: 1rem;
            border-radius: var(--radius);
            font-weight: 600;
        }
        .mobile-nav-links a:hover {
            background-color: var(--bg-light);
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--bg-white);
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
            color: var(--text-secondary);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-white);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .highlight {
            background-color: #fef3c7;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            text-align: center;
        }
        .article-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .article-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 0.5rem;
            font-style: italic;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .sidebar {
                margin-top: 2rem;
            }
        }
        .sidebar-widget {
            background-color: var(--bg-white);
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-widget h3 {
            font-size: 1.25rem;
            margin-top: 0;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--secondary-color);
        }
        .rating-system {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .rating-form {
            margin-top: 1rem;
        }
        .submit-rating {
            background-color: var(--success-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-rating:hover {
            background-color: #0da271;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input,
        .form-textarea {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-comment {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .submit-comment:hover {
            background-color: var(--secondary-color);
        }
        .internal-links {
            background-color: var(--bg-white);
            padding: 2.5rem;
            margin: 3rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .internal-links h2 {
            border-bottom: none;
            text-align: center;
            margin-bottom: 2rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .web-link {
            background-color: var(--bg-light);
            padding: 1.25rem;
            border-radius: var(--radius);
            transition: var(--transition);
            border-left: 3px solid var(--primary-color);
        }
        .web-link:hover {
            background-color: #e0e7ff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .web-link a {
            color: var(--text-primary);
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        .footer {
            background-color: var(--text-primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.25rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a {
            color: #d1d5db;
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.9rem;
        }
        .text-bold {
            font-weight: 700;
        }
        .text-accent {
            color: var(--accent-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .step-number {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            text-align: center;
            line-height: 32px;
            margin-right: 10px;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.75rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-content {
                gap: 2rem;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body {
                font-size: 16px;
            }
            .container {
                padding: 0 15px;
            }
            .article-content {
                padding: 1rem;
            }
        }
        @media print {
            .header, .sidebar, .internal-links, .footer, .comment-form, .rating-system, .search-form {
                display: none;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                background-color: white;
                font-size: 12pt;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }