* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2e7d32;
            --secondary-color: #1b5e20;
            --accent-color: #4caf50;
            --light-color: #f1f8e9;
            --dark-color: #1a237e;
            --text-color: #333;
            --text-light: #666;
            --border-color: #ddd;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--light-color);
            transform: translateY(-2px);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .breadcrumb {
            background: var(--light-color);
            padding: 1rem 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 2rem;
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-color);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: var(--light-color);
            border-left: 4px solid var(--accent-color);
            border-radius: 4px;
        }
        .highlight {
            background: linear-gradient(120deg, var(--light-color) 0%, var(--light-color) 100%);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 5px solid var(--primary-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border-top: 4px solid var(--accent-color);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary-color);
            display: block;
        }
        .stat-label {
            color: var(--text-light);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.02);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 1px solid var(--border-color);
        }
        .search-box, .comment-form, .rating-form {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(46, 125, 50, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
            transform: scale(1.2);
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--light-color);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .related-links a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .update-time {
            background: var(--light-color);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            margin-top: 2rem;
        }
        .update-time i {
            color: var(--primary-color);
            margin-right: 0.5rem;
        }
        .site-footer {
            background: linear-gradient(135deg, var(--secondary-color), #0d3b0d);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link {
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        friend-link a {
            color: white;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }
            .menu-toggle {
                display: block;
                position: absolute;
                right: 2rem;
                top: 1rem;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.5rem;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-link {
                justify-content: center;
                padding: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 2rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .sidebar {
                position: static;
            }
        }
        .text-bold {
            font-weight: 700;
            color: var(--primary-color);
        }
        .text-highlight {
            background: linear-gradient(120deg, #ffeb3b 0%, #ffeb3b 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 2.5rem 0;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }