* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: #ffeb3b;
            transition: color 0.3s ease;
        }
        .logo a:hover {
            color: #ffc107;
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: #ff9800;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #f57c00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
        }
        nav {
            background: #283593;
            padding: 15px 0;
        }
        .nav-links {
            display: flex;
            justify-content: center;
            list-style: none;
            gap: 30px;
        }
        .nav-links li a {
            color: white;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-links li a:hover {
            background: #3949ab;
            transform: translateY(-2px);
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1a237e;
            margin: 0 5px;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            background: white;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.3;
        }
        h2 {
            font-size: 2.2rem;
            color: #3949ab;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ff9800;
        }
        h3 {
            font-size: 1.8rem;
            color: #5c6bc0;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9c4;
            padding: 15px;
            border-left: 5px solid #ff9800;
            margin: 20px 0;
            font-weight: bold;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
        }
        .interaction {
            background: #f1f8e9;
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .interaction h2 {
            color: #388e3c;
            border-bottom-color: #8bc34a;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #c8e6c9;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #4caf50;
            outline: none;
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .rating input[type="radio"] {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating input:checked ~ label {
            color: #ff9800;
        }
        .btn {
            background: linear-gradient(to right, #1a237e, #4a148c);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .btn:hover {
            background: linear-gradient(to right, #283593, #6a1b9a);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
        }
        .footer-links {
            background: #1a237e;
            padding: 40px 0;
            color: white;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: 8px;
            transition: background 0.3s ease;
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .web-link a {
            color: #ffeb3b;
            font-weight: 600;
            display: block;
            margin-bottom: 5px;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #0d1458;
            color: white;
            text-align: center;
            padding: 30px 0;
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                flex: 1 1 100%;
                order: 3;
                margin-top: 15px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                background: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                padding: 20px;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }