:root {
            --primary-color: #1a365d;
            --secondary-color: #c53030;
            --accent-color: #ecc94b;
            --dark-bg: #2d3748;
            --light-bg: #f7fafc;
            --text-dark: #2d3748;
            --text-light: #e2e8f0;
            --border-radius: 8px;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            max-width: 1920px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(to right, var(--primary-color), var(--dark-bg));
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1800px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(to right, var(--accent-color), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-shadow: 0 0 15px rgba(236, 201, 75, 0.5);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-color);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #edf2f7;
            border-bottom: 1px solid #cbd5e0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            max-width: 1800px;
            margin: 0 auto;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.75rem;
            color: #718096;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 25%);
            gap: 3rem;
            max-width: 1800px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 2rem;
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: #718096;
            font-size: 0.95rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            margin: 2.5rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .article-image figcaption {
            padding: 1rem;
            background: #f1f5f9;
            font-style: italic;
            color: #4a5568;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1.2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-color);
            background: #e6fffa;
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-color);
            border-radius: var(--border-radius);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .key-point {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border-left: 5px solid #d97706;
        }
        .key-point i {
            color: #d97706;
            margin-right: 0.75rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            border: 2px solid #cbd5e0;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--secondary-color);
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            line-height: 1;
        }
        blockquote {
            font-style: italic;
            color: #4a5568;
            border-left: 4px solid var(--accent-color);
            padding-left: 2rem;
            margin: 2.5rem 0;
            background: #f8fafc;
            padding: 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        blockquote footer {
            margin-top: 1rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        a.content-link {
            color: var(--secondary-color);
            text-decoration: none;
            border-bottom: 1px dotted var(--secondary-color);
            transition: var(--transition);
            font-weight: 600;
        }
        a.content-link:hover {
            color: #9b2c2c;
            border-bottom-style: solid;
            background-color: #fff5f5;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-top: 0;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #cbd5e0;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--secondary-color);
        }
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
        }
        .stars .star {
            transition: var(--transition);
        }
        .stars .star:hover,
        .stars .star.active {
            color: #f6e05e;
            transform: scale(1.2);
        }
        .current-rating {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-top: 1rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
        }
        .comment-submit {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            width: 100%;
        }
        .comment-submit:hover {
            background: var(--secondary-color);
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--text-dark);
            text-decoration: none;
            padding: 0.75rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: #f1f5f9;
            color: var(--secondary-color);
            padding-left: 1.2rem;
        }
        .site-footer {
            background: var(--primary-color);
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1800px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-widget h4 {
            color: var(--accent-color);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #4a5568;
            padding-bottom: 0.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #a0aec0;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
            grid-column: 1 / -1;
        }
        .last-updated {
            background: #fef3c7;
            color: #92400e;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        @media (max-width: 768px) {
            :root {
                font-size: 15px;
            }
            .site-header {
                padding: 1rem;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                padding: 1rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-container,
            .breadcrumb,
            .article-content {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media print {
            .site-header,
            .sidebar,
            .site-footer,
            .search-form,
            .comment-form,
            .rating-widget,
            .breadcrumb,
            .hamburger {
                display: none;
            }
            body {
                background: white;
                color: black;
                max-width: 100%;
            }
            .main-container {
                grid-template-columns: 1fr;
                margin: 0;
                padding: 0;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }