* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #d4a017; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #b8860b; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header { background: #2c3e50; color: #fff; padding: 1rem 0; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #f1c40f;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover { color: #fff; }
        nav ul { display: flex; list-style: none; gap: 1.5rem; }
        nav a { color: #ecf0f1; font-weight: 500; }
        .hamburger { display: none; font-size: 1.5rem; cursor: pointer; }
        .breadcrumb {
            background: #ecf0f1;
            padding: 0.8rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #3498db; }
        main { flex: 1; padding: 2rem 0; }
        article { background: #fff; border-radius: 10px; padding: 2rem; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        h1 { color: #2c3e50; font-size: 2.5rem; margin-bottom: 1rem; border-bottom: 3px solid #f1c40f; padding-bottom: 0.5rem; }
        h2 { color: #34495e; margin: 1.5rem 0 1rem; font-size: 1.8rem; }
        h3 { color: #16a085; margin: 1.2rem 0 0.8rem; }
        h4 { color: #7f8c8d; margin: 1rem 0 0.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        strong { color: #e74c3c; }
        em { color: #27ae60; }
        .highlight { background: #fffacd; padding: 1rem; border-left: 4px solid #f1c40f; margin: 1.5rem 0; }
        .featured-img {
            float: right;
            margin: 0 0 1rem 2rem;
            max-width: 400px;
            border: 5px solid #f1c40f;
            border-radius: 8px;
        }
        .clearfix::after { content: ""; clear: both; display: table; }
        .module {
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .module h3 { margin-top: 0; }
        form input, form textarea, form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-family: inherit;
        }
        form button {
            background: #2c3e50;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s;
        }
        form button:hover { background: #1a252f; }
        .stars { color: #f1c40f; font-size: 1.5rem; cursor: pointer; }
        .stars span:hover { color: #ffd700; }
        footer { background: #2c3e50; color: #ecf0f1; padding: 2rem 0; margin-top: 2rem; }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 { color: #f1c40f; }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dotted #7f8c8d;
        }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #7f8c8d; font-size: 0.9rem; }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; }
            nav ul { flex-direction: column; gap: 0.5rem; margin-top: 1rem; display: none; width: 100%; }
            nav.active ul { display: flex; }
            .hamburger { display: block; align-self: flex-end; margin-top: -2rem; }
            .featured-img { float: none; margin: 1rem auto; max-width: 100%; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.5rem; }
        }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        article { animation: fadeIn 0.8s ease-in; }
        @media print {
            .module, footer, nav, .hamburger { display: none; }
            body { background: #fff; }
        }