* {
            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-color: #f9f9f9;
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2c3e50, #4a6491);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #ffcc00;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo a:hover {
            color: #fff;
            transition: color 0.3s;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            padding: 10px 15px;
            border-radius: 5px;
            font-weight: 600;
            transition: background 0.3s, color 0.3s;
        }
        .nav-desktop a:hover {
            background: #ffcc00;
            color: #2c3e50;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2c3e50;
            position: absolute;
            top: 70px;
            right: 20px;
            width: 200px;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            z-index: 1000;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 10px;
            border-bottom: 1px solid #4a6491;
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background: #4a6491;
        }
        .breadcrumb {
            background: #eaeaea;
            padding: 10px 20px;
            margin: 10px 0;
            border-radius: 5px;
        }
        .breadcrumb a {
            color: #2c3e50;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #ffcc00;
        }
        .search-bar {
            margin: 20px 0;
            display: flex;
            justify-content: center;
        }
        .search-form {
            display: flex;
            width: 100%;
            max-width: 500px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: #ffcc00;
        }
        .search-form button {
            padding: 12px 25px;
            background: #ffcc00;
            color: #2c3e50;
            border: none;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #e6b800;
        }
        main {
            padding: 20px 0;
        }
        article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #4a6491;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffcc00;
        }
        h3 {
            font-size: 1.5rem;
            color: #555;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #fffacd;
            padding: 10px;
            border-left: 5px solid #ffcc00;
            margin: 20px 0;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-image {
            text-align: center;
            margin: 30px 0;
        }
        .feature-image img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        .feature-image img:hover {
            transform: scale(1.02);
        }
        .user-interaction {
            margin-top: 40px;
            padding: 20px;
            background: #f5f5f5;
            border-radius: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #2c3e50;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #ffcc00;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffcc00;
        }
        .submit-btn {
            padding: 12px 30px;
            background: #2c3e50;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #4a6491;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .web-link {
            background: #fff;
            padding: 15px;
            border-radius: 5px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #2c3e50;
            font-weight: 600;
        }
        .web-link a:hover {
            color: #ffcc00;
        }
        footer {
            background: #2c3e50;
            color: white;
            padding: 30px 0 10px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) {
            .nav-mobile {
                display: none;
            }
        }