* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --secondary: #0d47a1;
            --accent: #ff6d00;
            --light: #f8f9fa;
            --dark: #202124;
            --gray: #5f6368;
            --border: #dadce0;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-left: 5px solid var(--accent);
            padding-left: 15px;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: var(--secondary);
            font-weight: 700;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            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;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--accent);
            margin-right: 10px;
            font-size: 2rem;
        }
        .logo span {
            color: var(--dark);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav li {
            margin-left: 2rem;
        }
        nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }
        nav a:hover {
            color: var(--primary);
            background-color: rgba(26, 115, 232, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        article {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 8px;
            margin: 20px 0;
            border: 3px solid var(--border);
        }
        .highlight {
            background: linear-gradient(135deg, #e3f2fd, #bbdefb);
            border-left: 5px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight h3 {
            margin-top: 0;
            color: var(--secondary);
        }
        .steps {
            counter-reset: step-counter;
            margin: 30px 0;
        }
        .step {
            background: white;
            border: 2px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-left: 80px;
        }
        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            left: 20px;
            top: 20px;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 5px;
        }
        .search-box {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .search-box h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--border);
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-form button:hover {
            background-color: var(--secondary);
        }
        .rating-section, .comments-section {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-top: 30px;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            margin: 20px 0;
            font-size: 2rem;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            margin: 0 5px;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .rating-form, .comment-form {
            margin-top: 20px;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--border);
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--secondary);
        }
        aside {
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            margin-top: 0;
            color: var(--secondary);
            border-bottom: 2px solid var(--border);
            padding-bottom: 10px;
        }
        .widget-list {
            list-style: none;
            margin-top: 15px;
        }
        .widget-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--border);
        }
        .widget-list a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        .widget-list a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .widget-list i {
            color: var(--primary);
            margin-right: 10px;
            font-size: 0.9rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 40px 0;
        }
        .web-link {
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 15px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
            }
            nav li {
                margin: 0;
                margin-bottom: 10px;
            }
            .hamburger {
                display: block;
            }
            .featured-image {
                height: 250px;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article, .sidebar-widget, .search-box {
                padding: 20px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .step {
                padding-left: 70px;
            }
            .step::before {
                width: 35px;
                height: 35px;
                font-size: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget, .search-box {
            animation: fadeIn 0.5s ease-out;
        }
        @media print {
            header, nav, .search-box, .sidebar-widget, .rating-section, .comments-section, .web-links, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            h1, h2, h3 {
                color: black;
            }
        }