:root {
            --primary-dark: #2a4c3e;
            --primary: #3a7c5e;
            --primary-light: #6baa8a;
            --secondary: #d4a574;
            --secondary-dark: #b8874c;
            --accent: #c44536;
            --text-dark: #2c3e2f;
            --text-light: #f8f9fa;
            --bg-light: #fefcf6;
            --bg-card: #ffffff;
            --shadow: rgba(42, 76, 62, 0.1);
            --border: #e9e5d7;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: Georgia, serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--text-light);
        }
        .logo-icon {
            color: var(--accent);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .main-nav a:hover:after,
        .main-nav a.active:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .search-form {
            display: flex;
            margin-left: 2rem;
        }
        .search-input {
            padding: 0.5rem 1rem;
            border: 1px solid var(--border);
            border-radius: 4px 0 0 4px;
            width: 200px;
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-light);
        }
        .breadcrumb {
            background-color: var(--bg-card);
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child):after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--primary-light);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .article-content {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 20px var(--shadow);
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 12px var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--primary);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            background-color: rgba(58, 124, 94, 0.05);
            padding: 1.5rem;
            border-left: 4px solid var(--secondary);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(212, 165, 116, 0.15);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid var(--secondary);
            margin: 2rem 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background-color: rgba(58, 124, 94, 0.08);
            border-radius: 10px;
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px var(--shadow);
        }
        .stat-number {
            display: block;
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            max-width: 800px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-links {
            background-color: rgba(212, 165, 116, 0.1);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .content-links ul {
            columns: 2;
            list-style-position: inside;
            margin-left: 1rem;
        }
        .content-links li {
            margin-bottom: 0.5rem;
        }
        .user-actions {
            margin: 3rem 0;
            padding: 2rem;
            background-color: var(--bg-card);
            border-radius: 12px;
            border: 1px solid var(--border);
        }
        .rating-section, .comment-section {
            margin-bottom: 2.5rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star-rating i {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(58, 124, 94, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .submit-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px var(--shadow);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: var(--secondary);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(212, 165, 116, 0.3);
            padding-bottom: 0.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(212, 165, 116, 0.2);
        }
        friend-link a {
            color: var(--text-light);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .stats-box {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                font-size: 1.8rem;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin: 1rem 0 0 0;
            }
            .search-input {
                width: 100%;
            }
            .main-nav {
                order: 2;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav a {
                display: block;
                padding: 0.8rem 0;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .content-links ul {
                columns: 1;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background-color: var(--bg-card);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px var(--shadow);
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: rgba(58, 124, 94, 0.05);
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background-color: rgba(212, 165, 116, 0.08);
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: var(--primary-dark);
        }
        blockquote p:last-child {
            margin-bottom: 0;
        }
        .last-updated {
            background-color: rgba(196, 69, 54, 0.08);
            padding: 1rem;
            border-radius: 6px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }
        .last-updated i {
            color: var(--accent);
        }
        .toc {
            background-color: rgba(58, 124, 94, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2.5rem;
        }
        .toc h3 {
            margin-top: 0;
            color: var(--primary);
        }
        .toc ul {
            list-style: none;
            margin-left: 1rem;
        }
        .toc li {
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.2rem;
        }
        .toc li:before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--primary-light);
            font-size: 0.8rem;
        }
        .toc a {
            color: var(--primary-dark);
        }
        .toc a:hover {
            color: var(--accent);
            text-decoration: underline;
        }