:root {
            --primary-green: #6aaa64;
            --secondary-yellow: #c9b458;
            --dark-gray: #787c7e;
            --light-gray: #d3d6da;
            --bg-white: #ffffff;
            --text-dark: #1a1a1b;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: #f9f9f9;
            color: var(--text-dark);
            line-height: 1.6;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #5a8a55;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--secondary-yellow);
        }
        .my-logo:hover {
            text-decoration: none;
            transform: scale(1.02);
        }
        .main-nav {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            padding: 8px 5px;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
            text-decoration: none;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-green);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f0f0f0;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--dark-gray);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--dark-gray);
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-green), #8bc34a);
            padding: 40px 20px;
            border-radius: 12px;
            margin: 30px 0;
            text-align: center;
            color: white;
        }
        .search-container h2 {
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--text-dark);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #333;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--bg-white);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
        }
        .sidebar h3 {
            color: var(--primary-green);
            padding-bottom: 10px;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--light-gray);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted var(--light-gray);
        }
        .sidebar a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        .last-updated {
            font-style: italic;
            color: var(--dark-gray);
            font-size: 0.9rem;
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px solid var(--light-gray);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--text-dark);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-green);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-yellow);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        strong {
            color: var(--text-dark);
            font-weight: 700;
        }
        .highlight-box {
            background-color: #f0f7f0;
            border-left: 5px solid var(--primary-green);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--dark-gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interaction-section {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: var(--light-gray);
            cursor: pointer;
        }
        .stars .active {
            color: var(--secondary-yellow);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        label {
            font-weight: 600;
            color: var(--text-dark);
        }
        input, textarea, select {
            padding: 15px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary-green);
            outline: none;
        }
        .submit-button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: #5a8a55;
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: var(--text-dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-heading {
            color: var(--primary-green);
            font-size: 1.3rem;
            margin-bottom: 25px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 15px;
            padding: 15px;
            background-color: rgba(255,255,255,0.05);
            border-radius: 6px;
            border-left: 4px solid var(--primary-green);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                gap: 15px;
            }
            .main-nav.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .article-content, .sidebar, .interaction-section {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: 8px;
                padding: 15px;
            }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-in-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(106, 170, 100, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(106, 170, 100, 0); }
            100% { box-shadow: 0 0 0 0 rgba(106, 170, 100, 0); }
        }