* {
            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;
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: #1a365d;
        }
        h1 {
            font-size: 2.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.75rem;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.125rem;
        }
        strong {
            color: #2d3748;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd700;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffd700;
        }
        .nav-desktop ul {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            padding: 0.5rem 0;
            font-weight: 600;
            border-bottom: 3px solid transparent;
        }
        .nav-desktop a:hover {
            color: #ffd700;
            border-bottom-color: #ffd700;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
        }
        .nav-mobile {
            display: none;
            background-color: #2d3748;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            flex-direction: column;
            gap: 1rem;
        }
        .nav-mobile li {
            padding: 0.75rem 0;
            border-bottom: 1px solid #4a5568;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.75rem 1.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #1a365d;
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #718096;
        }
        main {
            padding: 2rem 0;
            background-color: white;
        }
        .article-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .search-container {
            margin: 2rem 0;
            background: #f7fafc;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #1a365d;
        }
        .search-btn {
            background: #1a365d;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #2d3748;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .image-caption {
            margin-top: 0.5rem;
            font-style: italic;
            color: #718096;
            font-size: 0.95rem;
        }
        .user-interaction {
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 12px;
            border-left: 5px solid #1a365d;
        }
        .rating-section, .comment-section {
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .interaction-form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        .form-input, .form-textarea {
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: #2d3748;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            justify-self: start;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #1a365d;
        }
        .content-links {
            margin: 1.5rem 0;
            padding: 1rem;
            background: #e6fffa;
            border-radius: 8px;
        }
        .content-links a {
            color: #1a365d;
            font-weight: 600;
            text-decoration: underline;
        }
        .content-links a:hover {
            color: #2d3748;
        }
        footer {
            background: #1a365d;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ffd700;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.75rem; }
            h3 { font-size: 1.5rem; }
            .header-content {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .search-form {
                flex-direction: column;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            header, .search-container, .user-interaction, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
        }