:root {
            --primary-color: #2E7D32;
            --secondary-color: #1B5E20;
            --accent-color: #FF9800;
            --light-color: #F1F8E9;
            --dark-color: #1A237E;
            --text-color: #333;
            --text-light: #666;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0,0,0,0.05);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .my-logo:hover {
            color: var(--secondary-color);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex-grow: 1;
            padding: 10px 15px;
            border: 2px solid var(--primary-color);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        nav {
            background-color: var(--primary-color);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            padding: 18px 20px;
            display: block;
            font-weight: 500;
        }
        .nav-links a:hover {
            background-color: var(--secondary-color);
            color: var(--light-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light-color);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        main {
            flex-grow: 1;
            padding: 40px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        article {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content > * {
            margin-bottom: 1.5rem;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-top: 2.5rem;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin-top: 2rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-top: 1.5rem;
        }
        .article-content p {
            text-align: justify;
        }
        .article-content emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article-content strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .highlight-box {
            background-color: var(--light-color);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2rem 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
        }
        .image-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        aside {
            background-color: var(--light-color);
            padding: 25px;
            border-radius: var(--border-radius);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-color);
        }
        .interactive-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .interactive-form input,
        .interactive-form textarea,
        .interactive-form select {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .interactive-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interactive-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .interactive-form button:hover {
            background-color: var(--secondary-color);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #FFD700;
            margin: 10px 0;
        }
        .star-rating i {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h3 {
            color: var(--accent-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted rgba(255,255,255,0.2);
        }
        friend-link a {
            color: #ccc;
        }
        friend-link a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            article {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .article-header h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .header-top {
                flex-direction: column;
                gap: 15px;
            }
            .search-form {
                max-width: 100%;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
            .article-content h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 1.7rem;
            }
            .meta-info {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
        }