* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            padding: 0;
            margin: 0;
        }
        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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffcc00;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #fff;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
        }
        .nav-links a:hover {
            background: #ffcc00;
            color: #1e3c72;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #2a5298;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .search-section {
            padding: 2rem;
            background: #f1f8ff;
            border-bottom: 2px solid #2a5298;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #2a5298;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: #2a5298;
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #1e3c72;
        }
        article {
            padding: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2a5298;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #ffcc00;
        }
        h3 {
            font-size: 1.8rem;
            color: #3b5998;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .content-link {
            color: #2a5298;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed #2a5298;
            transition: color 0.3s;
        }
        .content-link:hover {
            color: #ff6600;
            border-bottom-style: solid;
        }
        .interaction-section {
            margin: 3rem 0;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #ddd;
        }
        .interaction-form {
            display: grid;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #2a5298;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #2a5298;
            outline: none;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-btn {
            background: #2a5298;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            justify-self: start;
        }
        .form-btn:hover {
            background: #1e3c72;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #666;
            margin-top: 2rem;
            padding: 1rem;
            border-top: 1px solid #eee;
        }
        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;
        }
        friend-link {
            display: block;
            background: #2a5298;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ffcc00;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 600;
            display: block;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #3b5998;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            main {
                padding: 0 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 8px;
                margin-bottom: 0.5rem;
            }
            .search-btn {
                border-radius: 8px;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .header-container, .breadcrumb, main, .footer-container {
                max-width: 95%;
            }
        }