:root {
            --primary: #4f46e5;
            --secondary: #10b981;
            --accent: #f59e0b;
            --dark: #1f2937;
            --light: #f9fafb;
            --text: #374151;
            --gray: #9ca3af;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: var(--text);
            background-color: var(--light);
            font-size: 18px;
        }
        .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: 1rem 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: 2px solid var(--gray);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: 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-color: #4338ca;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--dark);
            cursor: pointer;
        }
        nav {
            background-color: var(--dark);
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 1rem 1.5rem;
            display: block;
            transition: var(--transition);
            font-weight: 500;
        }
        .nav-links a:hover {
            background-color: var(--primary);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f3f4f6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .word-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .word-card {
            background: linear-gradient(135deg, #e0e7ff, #f3e8ff);
            padding: 1rem;
            border-radius: var(--radius);
            text-align: center;
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .word-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interactive-section {
            background-color: #f8fafc;
            border-radius: var(--radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e2e8f0;
        }
        .rating-form, .comment-form {
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        button[type="submit"] {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        button[type="submit"]:hover {
            background-color: #0da271;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: block;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--secondary);
            padding-left: 0.5rem;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
            margin-top: 3rem;
        }
        .copyright {
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        @media (max-width: 768px) {
            body {
                font-size: 16px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                flex: 1 1 100%;
                margin-top: 1rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                padding: 0.8rem 1rem;
                border-bottom: 1px solid #374151;
            }
            .word-list {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
            article {
                padding: 1.5rem;
            }
        }