:root {
            --primary-green: #5c9e6d;
            --secondary-green: #8bc34a;
            --accent-blue: #4fc3f7;
            --accent-yellow: #ffd54f;
            --light-bg: #f9fdf8;
            --dark-text: #2c3e2d;
            --medium-text: #556b57;
            --light-text: #7a8d7c;
            --card-bg: #ffffff;
            --shadow: 0 4px 12px rgba(92, 158, 109, 0.08);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.75;
            color: var(--dark-text);
            background-color: var(--light-bg);
            font-size: 18px;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-blue);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-yellow);
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--secondary-green);
        }
        .main-nav {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-green);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--primary-green);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--light-text);
            background-color: #f1f8f1;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--medium-text);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0 50px;
        }
        .article-content {
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background-color: var(--card-bg);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-yellow);
            color: var(--dark-text);
        }
        .search-box {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--primary-green);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary-green);
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .related-links li::before {
            content: '🌿';
            position: absolute;
            left: 0;
            top: 2px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--dark-text);
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent-yellow);
            color: var(--dark-text);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--medium-text);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px;
            color: var(--light-text);
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--medium-text);
            background: #f0f7f1;
            padding: 20px;
            border-left: 5px solid var(--primary-green);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 30px;
        }
        strong {
            color: var(--dark-text);
            font-weight: 700;
        }
        em {
            color: var(--primary-green);
            font-style: italic;
        }
        .highlight-box {
            background-color: #e8f5e9;
            border: 1px dashed var(--primary-green);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 25px 0;
        }
        .img-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .caption {
            font-size: 0.9rem;
            color: var(--light-text);
            margin-top: 10px;
            font-style: italic;
        }
        .interactive-section {
            margin: 40px 0;
            padding: 30px;
            background: linear-gradient(135deg, #f8fff8, #e8f4e9);
            border-radius: var(--border-radius);
            border: 1px solid #d0e6d2;
        }
        .rating-widget {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
            padding: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star {
            transition: var(--transition);
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent-yellow);
            transform: scale(1.1);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--medium-text);
        }
        .form-group input,
        .form-group textarea {
            padding: 12px 15px;
            border: 2px solid #ccdfce;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(92, 158, 109, 0.2);
        }
        .btn {
            background-color: var(--primary-green);
            color: white;
            padding: 14px 30px;
            border: none;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn:hover {
            background-color: var(--secondary-green);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(92, 158, 109, 0.3);
        }
        .site-footer {
            background-color: var(--dark-text);
            color: #b8c9b9;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #b8c9b9;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 15px;
            margin: 10px 0;
            border-radius: 8px;
            border-left: 4px solid var(--accent-blue);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #8a9a8b;
        }
        .update-time {
            background-color: #fff8e1;
            padding: 10px 15px;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            color: var(--medium-text);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--card-bg);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }
            .main-nav.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 25px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }
        @media print {
            .site-header, .sidebar, .interactive-section, .site-footer {
                display: none;
            }
            body {
                font-size: 12pt;
                background: white;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }