:root {
            --primary-color: #1a5fb4; 
            --secondary-color: #e6a922; 
            --accent-color: #c64600; 
            --dark-color: #2d2d2d;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --border-color: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--secondary-color);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: white;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            transform: scale(1.02);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--secondary-color);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }
        .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: var(--text-light);
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-color), #0d47a1);
            padding: 2.5rem 0;
            text-align: center;
            color: white;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box h2 {
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #a83800;
        }
        .main-content {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            overflow-wrap: break-word;
            word-wrap: break-word;
            hyphens: auto;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-color);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-color);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #f0f7ff;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--secondary-color);
            margin: 2rem 0;
            font-weight: 500;
        }
        strong {
            color: var(--dark-color);
            font-weight: 700;
        }
        em {
            color: var(--accent-color);
            font-style: italic;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 0.8rem;
            background-color: var(--light-color);
            font-size: 0.95rem;
        }
        .interactive-module {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary-color);
        }
        .module-title {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i {
            color: var(--accent-color);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-control {
            padding: 0.9rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.1);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--secondary-color);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            font-size: 1.3rem;
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted var(--border-color);
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            display: block;
            padding: 0.5rem 0;
            color: var(--text-color);
        }
        .related-links a:hover {
            color: var(--primary-color);
            padding-left: 8px;
        }
        .update-info {
            font-size: 0.9rem;
            color: var(--text-light);
            background-color: #fff;
            padding: 1rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.7rem;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: 5px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background-color: var(--dark-color);
                width: 100%;
                text-align: center;
                padding: 2rem;
                gap: 1.5rem;
                transition: left 0.5s ease;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .nav-list.active {
                left: 0;
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1.2rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--border-radius);
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: var(--border-radius);
            }
            .search-button {
                padding: 1rem;
            }
        }
        @media print {
            .site-header, .search-container, .sidebar, .interactive-module, .site-footer {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
                padding: 0;
            }
            body {
                font-size: 12pt;
                line-height: 1.5;
                color: black;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            h1, h2, h3 {
                page-break-after: avoid;
            }
            p {
                orphans: 3;
                widows: 3;
            }
        }