:root {
            --primary-green: #4a7c59;
            --secondary-green: #8db48e;
            --accent-yellow: #f4e285;
            --earth-brown: #8b4513;
            --sky-blue: #87ceeb;
            --text-dark: #2c3e50;
            --text-light: #f8f9fa;
            --border-color: #ddd;
            --shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        header {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--accent-yellow);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: var(--text-light);
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary-green);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-green);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--accent-yellow);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--earth-brown);
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding: 0.5rem 0;
            border-left: 4px solid var(--secondary-green);
            padding-left: 1rem;
        }
        h3 {
            color: var(--primary-green);
            font-size: 1.5rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: var(--text-dark);
            font-size: 1.2rem;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .content-highlight {
            background: linear-gradient(to right, rgba(138,180,142,0.1), rgba(244,226,133,0.1));
            border-left: 4px solid var(--accent-yellow);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .update-time {
            background: var(--accent-yellow);
            padding: 1rem;
            border-radius: 5px;
            margin: 1.5rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: bold;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
            transition: transform 0.3s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .search-box {
            margin-bottom: 1.5rem;
        }
        .search-box input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--primary-green);
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-box button {
            width: 100%;
            padding: 0.8rem;
            background: var(--primary-green);
            color: white;
            border: none;
            border-radius: 5px;
            margin-top: 0.5rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-box button:hover {
            background: var(--secondary-green);
        }
        .rating-widget, .comment-widget {
            margin: 1.5rem 0;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
        }
        .rating-stars {
            color: var(--accent-yellow);
            font-size: 1.5rem;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            resize: vertical;
            margin: 0.5rem 0;
        }
        .submit-btn {
            background: var(--primary-green);
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: var(--secondary-green);
        }
        .related-links {
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }
        .related-links a {
            color: var(--primary-green);
            text-decoration: none;
            padding: 0.5rem;
            display: block;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .related-links a:hover {
            background: rgba(138,180,142,0.2);
            padding-left: 1rem;
        }
        footer {
            background: var(--text-dark);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .friend-links {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
            grid-column: 1 / -1;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-green);
                flex-direction: column;
                padding: 1rem;
                text-align: center;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }
        .interactive-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .interactive-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border-color: var(--secondary-green);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: white;
        }
        th, td {
            border: 1px solid var(--border-color);
            padding: 0.8rem;
            text-align: left;
        }
        th {
            background: var(--primary-green);
            color: white;
        }
        tr:nth-child(even) {
            background: rgba(138,180,142,0.1);
        }
        .emoji-highlight {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .internal-link {
            color: var(--primary-green);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary-green);
            transition: all 0.3s ease;
        }
        .internal-link:hover {
            color: var(--earth-brown);
            border-bottom-style: solid;
        }
        .content-section {
            margin-bottom: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(0,0,0,0.1);
        }
        .content-section:last-child {
            border-bottom: none;
        }