:root {
            --primary-green: #6aaa64;
            --secondary-yellow: #c9b458;
            --dark-gray: #787c7e;
            --light-gray: #d3d6da;
            --bg-color: #ffffff;
            --text-color: #1a1a1b;
            --header-bg: #121213;
            --footer-bg: #0d0d0e;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --max-content-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--bg-color);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--secondary-yellow);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-content-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--header-bg);
            color: white;
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-yellow));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--secondary-yellow);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary-yellow);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f5f5f5;
            padding: var(--spacing-xs) 0;
            font-size: 0.9rem;
            color: var(--dark-gray);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a {
            color: var(--dark-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
        }
        .main-content {
            padding: var(--spacing-lg) 0;
        }
        .article-header {
            margin-bottom: var(--spacing-lg);
            text-align: center;
        }
        .article-header h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            margin-bottom: var(--spacing-sm);
            color: var(--header-bg);
            line-height: 1.2;
        }
        .article-meta {
            color: var(--dark-gray);
            font-size: 1rem;
            margin-top: var(--spacing-sm);
        }
        .article-body {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .article-body {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--primary-green);
            border-bottom: 2px solid var(--light-gray);
            padding-bottom: 0.5rem;
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
            color: var(--secondary-yellow);
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin: var(--spacing-sm) 0 var(--spacing-xs);
            color: var(--dark-gray);
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-green);
            font-weight: 700;
        }
        .article-content em {
            background-color: #fff9db;
            padding: 0 0.2rem;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f9ff, #e6f7ff);
            border-left: 5px solid var(--primary-green);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            box-shadow: var(--shadow);
        }
        .featured-image {
            margin: var(--spacing-lg) 0;
            text-align: center;
        }
        .featured-image figcaption {
            font-size: 0.9rem;
            color: var(--dark-gray);
            margin-top: 0.5rem;
            font-style: italic;
        }
        .sidebar {
            background-color: #f9f9f9;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget {
            margin-bottom: var(--spacing-md);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            color: var(--header-bg);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--light-gray);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-control {
            padding: 0.8rem;
            border: 1px solid var(--light-gray);
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(106, 170, 100, 0.1);
        }
        .btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background-color: #5c9a5a;
            transform: translateY(-2px);
        }
        .btn-yellow {
            background-color: var(--secondary-yellow);
        }
        .btn-yellow:hover {
            background-color: #b8a252;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: var(--light-gray);
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--secondary-yellow);
        }
        .site-footer {
            background-color: var(--footer-bg);
            color: #ccc;
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-md);
        }
        .footer-widget h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
        }
        friend-link {
            display: block;
            background-color: #1e1e1f;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            margin-bottom: 0.7rem;
            transition: background-color 0.3s ease;
        }
        friend-link a {
            color: #ccc;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        friend-link:hover {
            background-color: #2a2a2b;
        }
        friend-link:hover a {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-md);
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--header-bg);
                padding: var(--spacing-sm);
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .article-content h2 {
                font-size: 1.9rem;
            }
            .article-content h3 {
                font-size: 1.6rem;
            }
            .sidebar {
                position: static;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }