:root {
            --primary: #8B4513;
            --secondary: #D2691E;
            --accent: #F4A460;
            --light: #FAEBD7;
            --dark: #5D2906;
            --text: #333333;
            --text-light: #666666;
            --white: #FFFFFF;
            --shadow: 0 4px 12px rgba(139, 69, 19, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--dark);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--text);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: var(--accent);
            color: var(--white);
        }
        .mobile-nav-toggle {
            display: none;
            font-size: 1.8rem;
            color: var(--primary);
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--white);
            box-shadow: var(--shadow);
            padding: 20px;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--text);
            font-weight: 600;
            padding: 12px;
            border-bottom: 1px solid #eee;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            color: var(--primary);
            padding-left: 20px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--white);
            margin-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            text-decoration: none;
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--secondary);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--white);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background-color: var(--white);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text);
            background-color: #f9f3ec;
            padding: 20px;
            border-left: 4px solid var(--secondary);
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 25px 0;
            border-left: 4px solid #ffc107;
        }
        .keyword {
            font-weight: bold;
            color: var(--primary);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary);
            border-bottom: 1px solid var(--primary);
        }
        .search-form {
            display: flex;
            margin-bottom: 30px;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--accent);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--primary);
        }
        .search-button {
            background-color: var(--primary);
            color: var(--white);
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .search-button:hover {
            background-color: var(--dark);
        }
        .interaction-forms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        .form-container {
            background-color: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .form-container h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text);
        }
        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: #ffc107;
        }
        .submit-button {
            background-color: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-button:hover {
            background-color: var(--dark);
            transform: translateY(-2px);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 20px rgba(139, 69, 19, 0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            margin-bottom: 30px;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 40px 0;
        }
        .link-card {
            background-color: var(--white);
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-decoration: none;
            color: var(--text);
            transition: var(--transition);
            border-left: 4px solid var(--accent);
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(139, 69, 19, 0.15);
            border-left-color: var(--primary);
        }
        .link-card h4 {
            margin-top: 0;
            color: var(--primary);
        }
        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-family: 'Georgia', serif;
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--accent);
            margin-bottom: 20px;
            display: block;
        }
        .footer-links h4 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: var(--light);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .friend-links {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .friend-links h4 {
            color: var(--accent);
            margin-bottom: 15px;
        }
        .friend-link {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
        }
        .friend-link a {
            color: var(--light);
            text-decoration: none;
            padding: 8px 15px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .friend-link a:hover {
            background-color: var(--accent);
            color: var(--dark);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #e8f5e9;
            color: #2e7d32;
            padding: 12px 20px;
            border-radius: var(--border-radius);
            margin: 20px 0;
            display: inline-block;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            .desktop-nav { display: none; }
            .mobile-nav-toggle { display: block; }
            .article-content { padding: 25px; }
            .interaction-forms { grid-template-columns: 1fr; }
            .header-container { padding: 15px 0; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .article-content { padding: 20px; }
            .sidebar-widget { padding: 20px; }
            .form-container { padding: 20px; }
        }