:root {
            --primary-color: #8B4513;
            --secondary-color: #D2691E;
            --accent-color: #FFD700;
            --light-color: #F5F5DC;
            --dark-color: #3C2F2F;
            --text-color: #333333;
            --text-light: #666666;
            --white: #FFFFFF;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: var(--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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-decoration: none;
            font-family: Georgia, serif;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }
        .logo a:hover {
            color: var(--white);
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--white);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: var(--accent-color);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .mobile-nav a {
            color: var(--white);
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 0.5rem;
            border-radius: var(--border-radius);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.9);
            padding: 0.8rem 20px;
            margin-bottom: 2rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .search-section {
            background-color: var(--white);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem auto;
            max-width: 800px;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 0 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        main {
            padding: 2rem 0;
            background-color: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            padding-bottom: 1rem;
            border-bottom: 3px solid var(--accent-color);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-color);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.2);
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 5px solid var(--light-color);
        }
        .image-container img:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .image-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary-color);
            border-bottom: 1px solid var(--secondary-color);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-section, .rating-section {
            background-color: #f9f9f9;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ddd;
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent-color);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button[type="submit"] {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button[type="submit"]:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        footer {
            background-color: var(--dark-color);
            color: var(--white);
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
            font-weight: 600;
            color: var(--primary-color);
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            article { padding: 0 1rem; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .header-container { padding: 0 1rem; }
            .interactive-section { grid-template-columns: 1fr; }
            .search-form { flex-direction: column; }
            .search-form button { width: 100%; padding: 1rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .logo a { font-size: 1.8rem; }
            .footer-content { grid-template-columns: 1fr; }
        }