:root {
            --primary-green: #4CAF50;
            --secondary-green: #2E7D32;
            --accent-yellow: #FFEB3B;
            --accent-orange: #FF9800;
            --dark-gray: #333333;
            --light-gray: #f5f5f5;
            --text-dark: #212121;
            --text-light: #757575;
            --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: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-green);
            color: 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 20px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-yellow);
        }
        .logo span {
            color: var(--accent-yellow);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-links a:hover, .nav-links a.active {
            background-color: var(--secondary-green);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 12px 20px;
            background-color: var(--light-gray);
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--secondary-green);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h1 {
            font-size: 2.5rem;
            color: var(--secondary-green);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--light-gray);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--dark-gray);
            margin: 35px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-green);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-green);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .intro-box {
            background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
            padding: 25px;
            border-left: 5px solid var(--primary-green);
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .intro-box p {
            margin-bottom: 0;
            font-size: 1.1rem;
            font-weight: 500;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 25px 0;
            box-shadow: var(--shadow);
            border: 3px solid var(--accent-yellow);
        }
        .highlight {
            background-color: #fff9c4;
            padding: 5px;
            border-radius: 4px;
            font-weight: 600;
        }
        .tip-box {
            background-color: #e3f2fd;
            border-left: 4px solid #2196F3;
            padding: 20px;
            margin: 25px 0;
            border-radius: var(--border-radius);
        }
        .tip-box h4 {
            color: #0d47a1;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }
        .data-table th, .data-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        .data-table th {
            background-color: var(--primary-green);
            color: white;
            font-weight: 600;
        }
        .data-table tr:hover {
            background-color: #f9f9f9;
        }
        .cta-button {
            display: inline-block;
            background-color: var(--accent-orange);
            color: white;
            padding: 14px 28px;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            margin: 20px 0;
            transition: var(--transition);
            box-shadow: 0 4px 8px rgba(255,152,0,0.3);
        }
        .cta-button:hover {
            background-color: #F57C00;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(255,152,0,0.4);
        }
        .user-interaction {
            background-color: var(--light-gray);
            padding: 30px;
            border-radius: var(--border-radius);
            margin: 40px 0;
        }
        .interaction-title {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--dark-gray);
            text-align: center;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 30px;
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark-gray);
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            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-green);
            box-shadow: 0 0 0 3px rgba(76,175,80,0.2);
        }
        button[type="submit"] {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: var(--border-radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button[type="submit"]:hover {
            background-color: var(--secondary-green);
        }
        .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: var(--accent-orange);
        }
        sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--secondary-green);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--light-gray);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 15px;
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: var(--light-gray);
            color: var(--primary-green);
            padding-left: 15px;
        }
        .popular-posts .post {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--light-gray);
        }
        .popular-posts img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--border-radius);
        }
        .post-content h4 {
            font-size: 1rem;
            margin-bottom: 5px;
        }
        .post-content a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        .post-content a:hover {
            color: var(--primary-green);
        }
        .internal-links {
            background-color: var(--light-gray);
            padding: 40px 20px;
            margin-top: 50px;
        }
        .internal-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--secondary-green);
            text-decoration: none;
            font-weight: 600;
            display: block;
            line-height: 1.5;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: var(--dark-gray);
            color: white;
            padding: 40px 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 25px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #bbb;
            max-width: 800px;
            line-height: 1.6;
        }
        .social-links {
            display: flex;
            gap: 20px;
            font-size: 1.5rem;
        }
        .social-links a {
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-yellow);
            transform: scale(1.2);
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .nav-links {
                gap: 15px;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .logo {
                order: 0;
            }
            nav {
                order: 2;
                width: 100%;
                margin-top: 15px;
                display: none;
            }
            .nav-active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 10px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 12px 15px;
                border-radius: var(--border-radius);
                background-color: rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .internal-links .container {
                grid-template-columns: 1fr;
            }
        }