* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a5f23;
            --secondary-color: #8b4513;
            --accent-color: #daa520;
            --text-color: #333;
            --light-bg: #f5f5f5;
            --dark-bg: #2c3e50;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a5f23 100%);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent-color);
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.05);
        }
        .my-logo span {
            color: #4CAF50;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 2rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary-color);
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 4px solid var(--accent-color);
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin: 1.5rem 0 0.75rem;
        }
        h4 {
            color: #555;
            font-size: 1.2rem;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary-color);
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border-left: 4px solid var(--accent-color);
        }
        .tool-section {
            background: linear-gradient(145deg, #f0f8ff, #e6f7ff);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 1px solid #b3e0ff;
        }
        .tool-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 1.5rem;
        }
        textarea {
            width: 100%;
            min-height: 200px;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            resize: vertical;
            transition: var(--transition);
        }
        textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 95, 35, 0.1);
        }
        .btn {
            background: linear-gradient(to right, var(--primary-color), #2e8b57);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
            background: linear-gradient(to right, #2e8b57, var(--primary-color));
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
        }
        .search-box button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            padding: 0.8rem 1.2rem;
            cursor: pointer;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .comments-section {
            margin-top: 3rem;
            border-top: 2px solid #eee;
            padding-top: 2rem;
        }
        .comment-form textarea {
            min-height: 120px;
            margin-bottom: 1rem;
        }
        .comment {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            border-left: 3px solid var(--primary-color);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        }
        .internal-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--accent-color);
            transition: var(--transition);
        }
        .internal-link:hover {
            color: #2e8b57;
            border-bottom-style: solid;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 2rem 1rem;
            margin-top: 3rem;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin: 2rem 0;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
        }
        friend-link a {
            color: #4CAF50;
            text-decoration: none;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .tool-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
                padding: 1rem 0;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .main-container {
                padding: 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .sidebar, .site-header, .site-footer, .tool-section {
                display: none;
            }
            .main-container {
                grid-template-columns: 1fr;
            }
        }