* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-green: #1e7e34;
            --secondary-green: #28a745;
            --accent-yellow: #ffc107;
            --dark-bg: #121212;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #f8f9fa;
            --border-color: #dee2e6;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --radius: 8px;
            --container-padding: 2rem;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-green), #155724);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent-yellow);
            transform: scale(1.05);
        }
        .my-logo i {
            font-size: 2rem;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--accent-yellow);
            color: var(--text-dark);
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #e0a800;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .main-nav {
            background-color: rgba(0, 0, 0, 0.2);
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: block;
            color: white;
            text-decoration: none;
            padding: 1rem 1.5rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-yellow);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-item {
            margin-right: 0.5rem;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--accent-yellow);
        }
        .breadcrumb-link {
            color: white;
            text-decoration: none;
        }
        .breadcrumb-link:hover {
            text-decoration: underline;
            color: var(--accent-yellow);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        .article-content {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem;
            overflow: hidden;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .last-updated i {
            margin-right: 0.5rem;
            color: var(--primary-green);
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-green);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            padding-bottom: 1rem;
            border-bottom: 3px solid var(--accent-yellow);
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-green);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            color: #155724;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #28a745;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro-text {
            font-size: 1.1rem;
            font-weight: 500;
            background-color: #e8f5e9;
            padding: 1.5rem;
            border-left: 4px solid var(--primary-green);
            border-radius: var(--radius);
            margin-bottom: 2rem;
        }
        .highlight-box {
            background-color: #f8f9fa;
            border-left: 4px solid var(--accent-yellow);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: var(--radius);
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .content-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            display: block;
        }
        .float-right {
            float: right;
            margin-left: 2rem;
            margin-bottom: 1rem;
            max-width: 50%;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        em {
            font-style: italic;
            color: #495057;
        }
        strong {
            color: var(--primary-green);
            font-weight: 700;
        }
        .internal-link {
            color: var(--secondary-green);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        .internal-link:hover {
            color: #155724;
            text-decoration: underline;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .stat-item {
            background-color: #e8f5e9;
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border-color);
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-green);
            display: block;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #495057;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .comparison-table th,
        .comparison-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: var(--primary-green);
            color: white;
            font-weight: 600;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .comparison-table tr:hover {
            background-color: #e8f5e9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary-green);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-yellow);
        }
        .related-links {
            list-style: none;
        }
        .related-item {
            margin-bottom: 0.8rem;
        }
        .related-link {
            color: var(--text-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            padding: 0.5rem 0;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-link:hover {
            color: var(--primary-green);
            transform: translateX(5px);
        }
        .related-link i {
            color: var(--primary-green);
        }
        .user-interaction {
            margin-top: 3rem;
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem;
        }
        .interaction-title {
            font-size: 1.5rem;
            color: var(--primary-green);
            margin-bottom: 1.5rem;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-yellow);
        }
        .rating-form,
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-input,
        .form-textarea {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #155724;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-yellow);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        friend-link {
            display: block;
        }
        .friend-link {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
            padding: 0.3rem 0;
        }
        .friend-link:hover {
            color: var(--accent-yellow);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .float-right {
                float: none;
                margin: 1.5rem 0;
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 1rem;
                max-width: 100%;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--primary-green);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-link {
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 1rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        @media print {
            .site-header,
            .sidebar,
            .user-interaction,
            .site-footer {
                display: none;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                font-size: 12pt;
                line-height: 1.5;
                color: black;
                background: white;
            }
        }