:root {
            --primary-green: #5a7d4a;
            --secondary-green: #8fb446;
            --earth-brown: #a86c3d;
            --sky-blue: #87ceeb;
            --sun-yellow: #ffd700;
            --text-dark: #333333;
            --text-light: #f5f5f5;
            --bg-light: #f8f4e9;
            --bg-card: #ffffff;
            --shadow: rgba(90, 125, 74, 0.15);
            --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: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            background-image: radial-gradient(var(--primary-green) 1px, transparent 1px);
            background-size: 30px 30px;
        }
        .site-header {
            background-color: var(--bg-card);
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Courier New', monospace;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--earth-brown);
            transform: scale(1.02);
        }
        .my-logo i {
            color: var(--sun-yellow);
        }
        .breadcrumb {
            margin: 1rem 0;
            font-size: 0.9rem;
            color: var(--earth-brown);
        }
        .breadcrumb a {
            color: inherit;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-green);
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.8rem;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background-color: var(--primary-green);
            color: white;
        }
        .nav-menu a:hover::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            background-color: var(--sun-yellow);
            border-radius: 50%;
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 8px 25px var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--secondary-green);
            padding-bottom: 2rem;
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--primary-green);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--earth-brown);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--sky-blue);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--secondary-green);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro-emoji {
            font-size: 1.5rem;
            margin-right: 8px;
        }
        .highlight {
            background-color: #fff9db;
            padding: 2rem;
            border-left: 5px solid var(--sun-yellow);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 10px var(--shadow);
        }
        .data-table th, .data-table td {
            border: 1px solid #ddd;
            padding: 12px 15px;
            text-align: left;
        }
        .data-table th {
            background-color: var(--primary-green);
            color: white;
        }
        .data-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .data-table tr:hover {
            background-color: #e8f4e8;
        }
        .inline-link {
            color: var(--primary-green);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted;
            transition: var(--transition);
        }
        .inline-link:hover {
            color: var(--earth-brown);
            border-bottom-style: solid;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1.5rem;
            margin-bottom: 2rem;
        }
        .sidebar {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 8px 25px var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-green);
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #eee;
            margin-bottom: 1.2rem;
        }
        .search-box {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid var(--primary-green);
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--earth-brown);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--sun-yellow);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            margin-bottom: 1rem;
        }
        .comment-form button {
            width: 100%;
            padding: 12px;
            background-color: var(--secondary-green);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--primary-green);
        }
        .update-time {
            background-color: #f0f7f0;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            font-weight: bold;
            color: var(--primary-green);
            margin-top: 2rem;
        }
        .site-footer {
            background-color: #2c3e2c;
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h4 {
            color: var(--sun-yellow);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            padding: 0.6rem 1.2rem;
            border-radius: 6px;
            transition: var(--transition);
        }
        friend-link a {
            color: var(--text-light);
            text-decoration: none;
        }
        friend-link:hover {
            background-color: var(--primary-green);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                padding-top: 1rem;
                border-top: 1px solid #eee;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
                text-align: center;
            }
            .nav-menu a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-box, .comment-form, .rating-widget {
                display: none;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: none;
                font-size: 12pt;
            }
        }