* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a2a3a 0%, #2c3e50 100%);
            color: white;
            padding: 1rem 0;
            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;
        }
        .my-logo a {
            font-size: 2rem;
            font-weight: 800;
            color: #f1c40f;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(45deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s;
        }
        .my-logo a:hover { transform: scale(1.05); }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .nav-desktop a:hover {
            background: #f1c40f;
            color: #2c3e50;
        }
        .nav-mobile { display: none; }
        .hamburger {
            font-size: 1.8rem;
            cursor: pointer;
            color: #f1c40f;
            background: none;
            border: none;
        }
        #mobileMenu {
            display: none;
            flex-direction: column;
            background: #2c3e50;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.2);
        }
        #mobileMenu.active { display: flex; }
        #mobileMenu a {
            color: white;
            padding: 1rem;
            border-bottom: 1px solid #34495e;
            text-decoration: none;
        }
        #mobileMenu a:hover { background: #1a2a3a; }
        .breadcrumb {
            padding: 1rem 0;
            background: #f8f9fa;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a { color: #2980b9; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        main { padding: 2rem 0; }
        article { background: white; border-radius: 12px; padding: 2.5rem; box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 1rem;
        }
        h2 { font-size: 2rem; color: #34495e; margin: 2rem 0 1rem; padding-top: 1rem; }
        h3 { font-size: 1.6rem; color: #2c3e50; margin: 1.5rem 0 0.8rem; }
        h4 { font-size: 1.3rem; color: #7f8c8d; margin: 1.2rem 0 0.6rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        strong { color: #2c3e50; }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #f1c40f;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .article-img:hover { transform: scale(1.01); }
        .content-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f8f9fa;
            border-radius: 10px;
        }
        .content-links a {
            display: block;
            padding: 0.8rem;
            background: white;
            border: 1px solid #ddd;
            border-radius: 6px;
            text-decoration: none;
            color: #2980b9;
            font-weight: 600;
            transition: all 0.3s;
        }
        .content-links a:hover {
            background: #2980b9;
            color: white;
            transform: translateY(-3px);
        }
        .search-box {
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #27ae60;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #219653; }
        .user-interaction {
            border-top: 2px solid #ecf0f1;
            margin-top: 3rem;
            padding-top: 2rem;
        }
        .rating-widget, .comment-widget {
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active { color: #f1c40f; }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        .submit-btn {
            background: #3498db;
            color: white;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #2980b9; }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #f1c40f;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            display: block;
            color: #bdc3c7;
            text-decoration: none;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: #f1c40f; }
        friend-link {
            display: block;
            background: #34495e;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #1abc9c;
            font-weight: bold;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .nav-mobile { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 1.5rem; }
            .header-container { flex-wrap: wrap; }
            .content-links { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .search-form { flex-direction: column; }
            .search-form input { border-radius: 8px; margin-bottom: 0.5rem; }
            .search-form button { border-radius: 8px; padding: 0.8rem; }
        }