:root {
            --primary-color: #2e7d32;
            --secondary-color: #81c784;
            --accent-color: #ff9800;
            --text-color: #333;
            --light-bg: #f5f5f5;
            --white: #ffffff;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --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-bg);
            direction: ltr;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 28px;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: var(--secondary-color);
            color: var(--white);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary-color);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--white);
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px 10px;
            text-decoration: none;
            color: var(--text-color);
            border-bottom: 1px solid #eee;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--light-bg);
            padding-left: 20px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f9f9f9;
            font-size: 14px;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            background-color: var(--white);
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 30px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border-radius: 10px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
            font-size: 14px;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .search-section {
            background-color: #f0f7f0;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 40px;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid var(--primary-color);
            border-radius: 5px 0 0 5px;
            font-size: 16px;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-size: 16px;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #1b5e20;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content h2 {
            color: var(--primary-color);
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-color);
        }
        .article-content h3 {
            color: #555;
            margin: 25px 0 15px;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight-box {
            background-color: #e8f5e9;
            border-left: 5px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .sidebar-widget {
            background-color: #f9f9f9;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
            border: 1px solid #eee;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #ddd;
        }
        .rating-section {
            text-align: center;
            padding: 25px;
            background-color: #fff8e1;
            border-radius: 10px;
            margin: 40px 0;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 400px;
            margin: 20px auto 0;
        }
        .rating-slider {
            width: 100%;
            margin: 10px 0;
        }
        .comments-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #eee;
        }
        .comment-form {
            background-color: #f9f9f9;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #1b5e20;
        }
        .footer-links {
            background-color: #2c3e50;
            color: white;
            padding: 50px 0 30px;
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background-color: #34495e;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        .links-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 30px;
        }
        footer {
            background-color: #1a252f;
            color: #bbb;
            padding: 30px 0;
            text-align: center;
        }
        .footer-links a:hover {
            text-decoration: underline;
        }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary-color); }
        .text-accent { color: var(--accent-color); }
        .mb-20 { margin-bottom: 20px; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .emoji { font-size: 1.2em; }
        .highlight { background-color: #fff9c4; padding: 2px 5px; border-radius: 3px; }
        @media (max-width: 768px) {
            .meta-info {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 5px;
                margin-bottom: 10px;
            }
            .rating-form, .comment-form {
                padding: 20px;
            }
            .web-link {
                margin: 5px;
                padding: 8px 15px;
            }
        }