:root {
            --primary-green: #8BC34A;
            --accent-blue: #4FC3F7;
            --warm-yellow: #FFD54F;
            --earth-brown: #8D6E63;
            --soft-white: #FFF8E1;
            --text-dark: #333333;
            --shadow-light: rgba(0, 0, 0, 0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --border-radius: 12px;
            --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: 1.8;
            color: var(--text-dark);
            background-color: var(--soft-white);
            background-image: radial-gradient(#c8e6c9 1px, transparent 1px);
            background-size: 20px 20px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: var(--transition);
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
        }
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--primary-green);
            color: white;
            padding: var(--spacing-xs) var(--spacing-sm);
            z-index: 1000;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-green), #66BB6A);
            padding: var(--spacing-sm);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            box-shadow: 0 4px 12px var(--shadow-light);
            margin-bottom: var(--spacing-lg);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--soft-white);
            text-shadow: 2px 2px 0 var(--earth-brown);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
            border: none;
        }
        .my-logo a:hover {
            color: var(--warm-yellow);
            border: none;
        }
        .my-logo i {
            color: var(--warm-yellow);
            margin-right: var(--spacing-xs);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--soft-white);
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: var(--warm-yellow);
            color: var(--text-dark);
            border: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--soft-white);
            cursor: pointer;
        }
        .breadcrumb {
            margin-top: var(--spacing-sm);
            font-size: 0.9rem;
            color: var(--soft-white);
        }
        .breadcrumb a {
            color: var(--warm-yellow);
        }
        .breadcrumb span {
            color: #ccc;
        }
        .search-container {
            margin: var(--spacing-md) 0;
            padding: var(--spacing-sm);
            background: white;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 8px var(--shadow-light);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--primary-green);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-green);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--accent-blue);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
        }
        main {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: 0 6px 16px var(--shadow-light);
        }
        aside {
            background: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: 0 4px 12px var(--shadow-light);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px dashed var(--primary-green);
            color: #666;
            font-size: 0.9rem;
        }
        .last-updated i {
            color: var(--accent-blue);
            margin-right: 5px;
        }
        h1 {
            color: var(--primary-green);
            font-size: 2.8rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
            text-align: center;
        }
        h2 {
            color: var(--earth-brown);
            font-size: 2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-bottom: var(--spacing-xs);
            border-bottom: 3px solid var(--warm-yellow);
        }
        h3 {
            color: var(--accent-blue);
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        h4 {
            color: var(--primary-green);
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0 var(--spacing-xs);
        }
        p {
            margin-bottom: var(--spacing-md);
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--earth-brown);
            background: #F1F8E9;
            padding: var(--spacing-md);
            border-left: 5px solid var(--primary-green);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: var(--spacing-md) auto;
            border-radius: var(--border-radius);
            box-shadow: 0 4px 12px var(--shadow-light);
            transition: transform 0.5s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -0.5rem;
            margin-bottom: var(--spacing-md);
        }
        blockquote {
            background: linear-gradient(to right, #E8F5E9, #F1F8E9);
            border-left: 6px solid var(--primary-green);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-style: italic;
            position: relative;
        }
        blockquote::before {
            content: "\f10d";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary-green);
            font-size: 1.5rem;
            position: absolute;
            top: -10px;
            left: 10px;
        }
        ul, ol {
            margin-left: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: var(--earth-brown);
            background-color: #FFF9C4;
            padding: 0 3px;
            border-radius: 3px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
            border: 2px solid var(--accent-blue);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
        }
        .tip {
            background: #E8F5E9;
            border-left: 5px solid #4CAF50;
            padding: var(--spacing-sm);
            margin: var(--spacing-sm) 0;
        }
        .tip i {
            color: #4CAF50;
            margin-right: var(--spacing-xs);
        }
        .interactive-section {
            background: #FFFDE7;
            border: 2px dashed var(--warm-yellow);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            text-align: center;
        }
        .interactive-section h3 {
            color: var(--earth-brown);
        }
        .comment-form,
        .rating-form {
            background: #F5F5F5;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
            color: var(--text-dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            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(--accent-blue);
            box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.2);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: var(--spacing-sm) 0;
            font-size: 1.8rem;
            color: #ddd;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--warm-yellow);
        }
        button[type="submit"] {
            background: linear-gradient(to right, var(--primary-green), #66BB6A);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            margin: var(--spacing-sm) auto 0;
        }
        button[type="submit"]:hover {
            background: linear-gradient(to right, var(--accent-blue), #29B6F6);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px var(--shadow-light);
        }
        .sidebar-widget {
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid #eee;
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--earth-brown);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .sidebar-widget h3 i {
            color: var(--primary-green);
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 5px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .related-links li:hover {
            border-left-color: var(--primary-green);
            padding-left: 10px;
        }
        footer {
            background: linear-gradient(to right, var(--earth-brown), #5D4037);
            color: var(--soft-white);
            padding: var(--spacing-lg);
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-section h3 {
            color: var(--warm-yellow);
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: var(--spacing-xs);
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            color: var(--accent-blue);
        }
        friend-link:hover {
            color: var(--warm-yellow);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: var(--spacing-sm);
            }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
                gap: var(--spacing-xs);
                display: none;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: var(--spacing-sm);
                right: var(--spacing-sm);
            }
            .breadcrumb {
                margin-top: var(--spacing-md);
            }
        }