* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #003366;
            --secondary-color: #CC0000;
            --accent-color: #009933;
            --text-color: #333333;
            --light-bg: #f8f9fa;
            --border-color: #e0e0e0;
            --shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            max-width: 100%;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #002244 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: transform 0.3s ease;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .logo i {
            color: var(--secondary-color);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 80%;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 0.75rem 1rem;
            display: block;
            border-radius: 4px;
            transition: background-color 0.3s ease;
        }
        .nav-mobile a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.75rem;
        }
        h4 {
            color: var(--accent-color);
            font-size: 1.1rem;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary-color);
            background-color: var(--light-bg);
            padding: 1rem;
            border-left: 4px solid var(--accent-color);
            border-radius: 4px;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-radius: 6px;
            margin: 1.5rem 0;
            border-left: 4px solid #ffc107;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-section {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .sidebar-section h3 {
            margin-top: 0;
            color: var(--primary-color);
            font-size: 1.2rem;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-top: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px 0 0 4px;
            font-size: 0.95rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-button:hover {
            background-color: #002244;
        }
        .rating-system {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.25rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .rating-form input,
        .rating-form textarea {
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 0.95rem;
        }
        .rating-form button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0.75rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }
        .rating-form button:hover {
            background-color: #007a29;
        }
        .comments-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid var(--border-color);
        }
        .comment-form {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .comment-form h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            margin-bottom: 1rem;
            font-family: inherit;
            font-size: 0.95rem;
        }
        .comment-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }
        .comment-form button:hover {
            background-color: #002244;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .comment {
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: white;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #666;
        }
        .comment-author {
            font-weight: 600;
            color: var(--primary-color);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 1rem 1.5rem;
            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-section h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.2);
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 4px;
            transition: background-color 0.3s ease;
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.15);
        }
        friend-link a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .link-item {
            background-color: var(--light-bg);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .link-item:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .link-item:hover a {
            color: white;
        }
        .link-item a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .stat-box {
            background: linear-gradient(135deg, var(--primary-color), #004488);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            article {
                padding: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }
            .breadcrumb ol {
                font-size: 0.9rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
            .link-list {
                flex-direction: column;
            }
            .stat-box {
                padding: 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .main-container {
                padding: 1rem 0.75rem;
            }
            article {
                padding: 1rem;
            }
            .sidebar-section {
                padding: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article {
            animation: fadeIn 0.5s ease-out;
        }
        @media print {
            header, footer, aside, .breadcrumb, .mobile-menu-toggle {
                display: none;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .main-container {
                grid-template-columns: 1fr;
                max-width: 100%;
                padding: 0;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }