* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #2c3e50; --secondary: #e74c3c; --accent: #1abc9c;
            --light: #ecf0f1; --dark: #2c3e50; --gray: #95a5a6;
            --shadow: 0 5px 15px rgba(0,0,0,0.1); --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6; color: #333; background: #f9f9f9;
            display: flex; flex-direction: column; min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%; max-width: 1200px; margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        header { background: var(--primary); 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 a { font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: 1px; }
        .logo span { color: var(--light); }
        .desktop-nav ul { display: flex; gap: 30px; }
        .desktop-nav a { font-weight: 600; padding: 8px 0; transition: var(--transition); position: relative; }
        .desktop-nav a:hover { color: var(--accent); }
        .desktop-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
        .desktop-nav a:hover::after { width: 100%; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        .mobile-nav { display: none; background: var(--dark); padding: 20px; flex-direction: column; gap: 15px; position: absolute; top: 100%; left: 0; width: 100%; box-shadow: var(--shadow); }
        .mobile-nav.active { display: flex; }
        .breadcrumb { background: var(--light); padding: 10px 0; font-size: 0.9rem; }
        .breadcrumb ol { display: flex; flex-wrap: wrap; gap: 10px; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 10px; color: var(--gray); }
        .breadcrumb a:hover { text-decoration: underline; color: var(--secondary); }
        main { flex: 1; padding: 40px 0; }
        article { background: white; border-radius: 10px; padding: 40px; box-shadow: var(--shadow); margin-bottom: 40px; }
        h1 { font-size: 2.8rem; color: var(--primary); margin-bottom: 1.5rem; line-height: 1.2; }
        h2 { font-size: 2rem; color: var(--secondary); margin: 2.5rem 0 1rem; border-bottom: 2px solid var(--accent); padding-bottom: 10px; }
        h3 { font-size: 1.5rem; color: var(--dark); margin: 1.8rem 0 0.8rem; }
        p { margin-bottom: 1.2rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 600; color: var(--primary); margin-bottom: 2rem; }
        .highlight { background: #fffacd; padding: 15px; border-left: 4px solid var(--accent); margin: 20px 0; font-style: italic; }
        .feature-img { width: 80%; margin: 30px auto; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
        .feature-img figcaption { text-align: center; padding: 10px; font-style: italic; color: var(--gray); }
        strong { color: var(--dark); }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .interactive-section { background: #f8f9fa; border-radius: 10px; padding: 25px; margin: 30px 0; border: 1px solid #dee2e6; }
        .interactive-section h3 { margin-top: 0; }
        .form-group { margin-bottom: 20px; }
        label { display: block; margin-bottom: 8px; font-weight: 600; }
        input, textarea, select {
            width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 5px;
            font-family: inherit; font-size: 1rem; transition: var(--transition);
        }
        input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.2); }
        button, .btn {
            background: var(--secondary); color: white; border: none; padding: 12px 25px;
            border-radius: 5px; cursor: pointer; font-weight: 600; transition: var(--transition);
            display: inline-block; text-align: center;
        }
        button:hover, .btn:hover { background: #c0392b; transform: translateY(-2px); box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
        .rating { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
        .stars { display: flex; gap: 5px; }
        .star { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: var(--transition); }
        .star:hover, .star.active { color: #ffcc00; }
        .comments-list { margin-top: 30px; }
        .comment { background: white; border-radius: 8px; padding: 15px; margin-bottom: 15px; border-left: 4px solid var(--accent); }
        .footer-links { background: var(--light); padding: 40px 0; }
        .web-link-grid {
            display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px; margin-bottom: 30px;
        }
        .web-link {
            background: white; padding: 15px; border-radius: 5px; transition: var(--transition);
            border: 1px solid #e0e0e0;
        }
        .web-link:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }
        .web-link a { color: var(--primary); font-weight: 600; display: block; }
        .web-link a:hover { color: var(--secondary); }
        footer { background: var(--primary); color: white; text-align: center; padding: 30px 0; }
        .copyright { margin-top: 20px; font-size: 0.9rem; color: #bdc3c7; }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .feature-img { width: 95%; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-top { padding: 15px; }
            .container { padding: 0 15px; }
            article { padding: 25px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .web-link-grid { grid-template-columns: 1fr; }
        }