* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0066b3;
            --secondary-color: #d32f2f;
            --accent-color: #ffc107;
            --text-dark: #333333;
            --text-light: #666666;
            --background-light: #f8f9fa;
            --background-white: #ffffff;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--background-light);
        }
        .header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #004d99 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-icon {
            color: var(--accent-color);
            font-size: 2.2rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            color: var(--accent-color);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            background-color: var(--background-white);
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .breadcrumb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.95rem;
        }
        .breadcrumb-links a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-links a:hover {
            color: var(--primary-color);
        }
        .breadcrumb-separator {
            color: var(--text-light);
        }
        .search-section {
            background-color: var(--background-white);
            padding: 2rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .search-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            background-color: var(--background-white);
        }
        .search-input:focus {
            outline: none;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #b71c1c;
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-content {
            background-color: var(--background-white);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            color: var(--text-light);
            font-style: italic;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--text-dark);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(255, 193, 7, 0.2);
            padding: 2rem;
            border-left: 4px solid var(--accent-color);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .important-note {
            background-color: rgba(0, 102, 179, 0.1);
            border: 2px solid var(--primary-color);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-item {
            background: linear-gradient(135deg, var(--primary-color), #004d99);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .internal-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border-bottom: 2px dotted transparent;
        }
        .internal-link:hover {
            color: var(--secondary-color);
            border-bottom-color: var(--secondary-color);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background-color: var(--background-white);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid var(--border-color);
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .related-links a:hover {
            color: var(--primary-color);
            padding-left: 0.5rem;
        }
        .interaction-section {
            margin: 3rem 0;
            padding: 2.5rem;
            background-color: var(--background-white);
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .interaction-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .rating-section {
            margin-bottom: 2rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-input,
        .form-textarea {
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 102, 179, 0.1);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: #004d99;
            transform: translateY(-2px);
        }
        .footer {
            background: linear-gradient(135deg, #222, #444);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 0.8rem;
        }
        .friend-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .friend-links a:hover {
            color: var(--accent-color);
            padding-left: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .article-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.8rem;
            }
            .article-image {
                height: 250px;
            }
            .stat-box {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .search-box {
                flex-direction: column;
                border-radius: 8px;
            }
            .search-button {
                padding: 1rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content,
        .sidebar-widget,
        .interaction-section {
            animation: fadeIn 0.6s ease-out;
        }
        @media print {
            .header, .footer, .sidebar, .search-section, .interaction-section {
                display: none;
            }
            body {
                background-color: white;
                color: black;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }