:root {
            --primary-dark: #1a365d;
            --primary-color: #2c5282;
            --accent-color: #e53e3e;
            --accent-light: #fed7d7;
            --text-dark: #2d3748;
            --text-light: #4a5568;
            --background-light: #f7fafc;
            --background-white: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-dark);
            background-color: var(--background-light);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(to right, #fbd38d, #fc8181);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo span {
            font-size: 1.4rem;
            vertical-align: super;
            color: #c6f6d5;
        }
        .desktop-nav ul {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            padding: 0.5rem 0;
            font-weight: 600;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after,
        .desktop-nav a:focus::after {
            width: 100%;
        }
        .desktop-nav a:hover {
            color: var(--accent-light);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-dark);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.05);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .search-section {
            padding: 2rem;
            text-align: center;
            background: linear-gradient(to right, #e6fffa, #ebf8ff);
        }
        .search-container {
            max-width: 700px;
            margin: 0 auto;
        }
        .search-form {
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
        }
        .search-input:focus {
            outline: 2px solid var(--primary-color);
        }
        .search-btn {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #c53030;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex-grow: 1;
        }
        article {
            background-color: var(--background-white);
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--accent-light);
            padding-bottom: 2rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        .meta-item i {
            margin-right: 0.5rem;
            color: var(--accent-color);
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            padding: 1rem;
            background-color: #f0f4f8;
            font-style: italic;
            color: var(--text-light);
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #cbd5e0;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: var(--text-light);
        }
        .highlight {
            background-color: var(--accent-light);
            padding: 2rem;
            border-left: 5px solid var(--accent-color);
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: var(--primary-dark);
        }
        blockquote {
            font-style: italic;
            font-size: 1.3rem;
            color: var(--primary-color);
            padding: 2rem;
            background-color: #f0f9ff;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            position: relative;
        }
        blockquote::before {
            content: '\201C';
            font-size: 4rem;
            color: #90cdf4;
            position: absolute;
            top: -1rem;
            left: 1rem;
        }
        ul.content-list {
            list-style: disc;
            padding-left: 2rem;
            margin-bottom: 2rem;
        }
        ul.content-list li {
            margin-bottom: 0.8rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #4299e1, #667eea);
            color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--background-white);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-light);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .stars .active,
        .stars i:hover {
            color: #f6ad55;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-input,
        .form-textarea {
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: 2px solid var(--primary-color);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--primary-dark);
        }
        .comment {
            border-bottom: 1px solid #e2e8f0;
            padding: 1rem 0;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .download-links a {
            display: block;
            background-color: #38a169;
            color: white;
            padding: 1rem;
            text-align: center;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .download-links a:hover {
            background-color: #2f855a;
        }
        .web-links-section {
            max-width: 1400px;
            margin: 3rem auto 0;
            padding: 0 2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: var(--background-white);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            border-left: 4px solid var(--primary-color);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            border-left-color: var(--accent-color);
        }
        footer {
            background-color: var(--primary-dark);
            color: white;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 3rem 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #fbd38d;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            color: #90cdf4;
        }
        .footer-links a {
            display: block;
            margin-bottom: 0.8rem;
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem;
            background-color: #1a202c;
            color: #a0aec0;
            font-size: 0.9rem;
            border-top: 1px solid #2d3748;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .search-section {
                padding: 1.5rem;
            }
            article {
                padding: 2rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
                font-size: 0.85rem;
            }
            .footer-content {
                padding: 2rem 1rem;
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--border-radius);
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 0;
            }
        }
        @media print {
            .site-header, .search-section, aside, .web-links-section, footer, .mobile-menu-btn {
                display: none;
            }
            .main-container {
                grid-template-columns: 1fr;
                margin: 0;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background-color: white;
                color: black;
            }
        }