:root {
            --primary-green: #2e7d32;
            --secondary-green: #4caf50;
            --accent-brown: #8d6e63;
            --accent-blue: #2196f3;
            --light-bg: #f1f8e9;
            --dark-text: #2e2e2e;
            --light-text: #f5f5f5;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            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(--dark-text);
            background-color: #fff;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            text-decoration: none;
            color: var(--primary-green);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
        }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 2px solid var(--light-bg);
            margin-bottom: 2rem;
        }
        .my-logo {
            font-family: 'Courier New', monospace;
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary-green);
            text-align: center;
            margin-bottom: 1rem;
            letter-spacing: -1px;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo a:hover {
            text-shadow: 2px 2px 0px var(--accent-brown);
        }
        .main-nav {
            background: var(--primary-green);
            border-radius: var(--border-radius);
            padding: 0.8rem 1.5rem;
            margin-bottom: 1.5rem;
            position: relative;
        }
        .nav-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.8rem;
        }
        .nav-list a {
            color: var(--light-text);
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: white;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #666;
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--light-bg);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-green);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-brown);
            padding-bottom: 0.8rem;
        }
        h2 {
            color: var(--secondary-green);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-left: 0.8rem;
            border-left: 5px solid var(--accent-blue);
        }
        h3 {
            color: var(--accent-brown);
            font-size: 1.6rem;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background: #e8f5e9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            border-left: 5px solid var(--primary-green);
        }
        .highlight {
            background: #fff3cd;
            padding: 1.2rem;
            border-radius: 10px;
            border-left: 5px solid #ffc107;
            margin: 1.5rem 0;
        }
        .tip {
            background: #d1ecf1;
            padding: 1rem;
            border-radius: 10px;
            margin: 1.2rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
        }
        .tip i {
            color: var(--accent-blue);
            margin-top: 0.2rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .article-img {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-img figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: #f9f9f9;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 20px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            color: var(--primary-green);
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ccc;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ccc;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-green);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary-green);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button {
            background: var(--accent-blue);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background: #0b7dda;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li::before {
            content: '🎣';
            position: absolute;
            left: 0;
        }
        footer {
            background: var(--primary-green);
            color: var(--light-text);
            padding: 3rem 2rem;
            border-radius: var(--border-radius);
            margin-top: 3rem;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #ffcc80;
            font-weight: bold;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #c8e6c9;
        }
        @media (max-width: 768px) {
            .my-logo {
                font-size: 2.2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .main-nav {
                padding: 0.8rem;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                display: none;
                gap: 0;
                padding-top: 1rem;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list a {
                padding: 1rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .article-content {
                padding: 1.5rem;
            }
            .sidebar {
                position: static;
                padding: 1.5rem;
            }
        }
        .schema-data {
            display: none;
        }