* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: #2c3e50;
            color: #fff;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #3498db;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            transition: color 0.3s ease;
        }
        .logo a:hover {
            color: #1abc9c;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.5rem;
        }
        .nav-menu li a {
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s ease;
            font-weight: 600;
        }
        .nav-menu li a:hover {
            background: #3498db;
            color: #fff;
        }
        .search-form {
            display: flex;
            align-items: center;
        }
        .search-input {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 25px 0 0 25px;
            outline: none;
            width: 200px;
        }
        .search-button {
            background: #3498db;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: #2980b9;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fff;
        }
        .breadcrumb {
            background: #ecf0f1;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #7f8c8d;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .article-header {
            padding: 2rem 0;
            text-align: center;
            border-bottom: 3px solid #3498db;
            margin-bottom: 2rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #7f8c8d;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-body {
            padding: 1rem 0;
        }
        .section {
            margin-bottom: 3rem;
            padding: 0 1rem;
        }
        .section h2 {
            font-size: 2rem;
            color: #2980b9;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #3498db;
        }
        .section h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin: 1.5rem 0 1rem;
        }
        .section p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #444;
        }
        .highlight {
            background: #e8f4fc;
            padding: 1.5rem;
            border-left: 5px solid #3498db;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: #2c3e50;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.5rem;
        }
        .interactive-forms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 10px;
        }
        .form-container {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        }
        .form-container h3 {
            color: #3498db;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #3498db;
            outline: none;
        }
        .submit-button {
            background: #3498db;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .submit-button:hover {
            background: #2980b9;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-stars .star {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f39c12;
        }
        .footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 2rem 2rem 1rem;
            margin-top: auto;
        }
        .internal-links {
            max-width: 1200px;
            margin: 0 auto 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #34495e;
            padding: 1rem;
            border-radius: 8px;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: #3498db;
        }
        .web-link a {
            display: block;
            color: #fff;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid #4a6278;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid #4a6278;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .search-input {
                width: 150px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .section h2 {
                font-size: 1.7rem;
            }
            .interactive-forms {
                grid-template-columns: 1fr;
            }
            .internal-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .logo a {
                font-size: 1.8rem;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
            }
            .main-content {
                padding: 0 1rem;
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
        }