* {
            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;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            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: 2rem;
            font-weight: bold;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ffcc00;
        }
        .breadcrumb {
            padding: 0.5rem 2rem;
            background: #e9ecef;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #ffcc00;
            margin: 1.5rem 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .interactive-section h2 {
            color: #1e3c72;
            border-bottom: none;
        }
        form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        button {
            padding: 0.75rem 1.5rem;
            background: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        button:hover {
            background: #0056b3;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .rating i {
            color: #ffcc00;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating i:hover {
            color: #ff9900;
        }
        footer {
            background: #1e3c72;
            color: white;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h3 {
            color: #ffcc00;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: #ffcc00;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding: 1rem;
            background: rgba(255,255,255,0.1);
            border-radius: 5px;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-container {
                width: 100%;
                justify-content: space-between;
                margin-top: 1rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e3c72;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 2rem;
                box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            main {
                padding: 0 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .bold {
            font-weight: bold;
            color: #1e3c72;
        }
        .spacing {
            margin: 2rem 0;
        }