* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0a5c36;
            --secondary-color: #f8b739;
            --accent-color: #c62828;
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f5f5f5;
            --bg-white: #ffffff;
            --border-color: #e0e0e0;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #0e6e44);
            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: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--secondary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: white;
        }
        .my-logo:hover {
            color: white;
            transform: scale(1.05);
            transition: var(--transition);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: var(--secondary-color);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--bg-light);
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 20px;
        }
        article {
            background-color: var(--bg-white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 2rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--text-dark);
            margin: 1.5rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-light);
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--primary-color);
            font-weight: 500;
            background-color: rgba(10, 92, 54, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            border-left: 4px solid var(--secondary-color);
        }
        .highlight {
            background-color: rgba(248, 183, 57, 0.2);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .download-cta {
            background: linear-gradient(135deg, var(--secondary-color), #ff9800);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            margin: 2rem 0;
            box-shadow: 0 4px 15px rgba(248, 183, 57, 0.3);
        }
        .download-cta h3 {
            color: white;
            margin-top: 0;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin: 0.5rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background-color: #0e6e44;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .btn-secondary {
            background-color: var(--accent-color);
        }
        .btn-secondary:hover {
            background-color: #d32f2f;
        }
        .search-container {
            background-color: var(--bg-light);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--border-color);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #0e6e44;
        }
        .user-interaction {
            background-color: var(--bg-light);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 0.2rem;
        }
        .stars i {
            color: #ffc107;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: 5px;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            color: var(--text-light);
            font-style: italic;
            margin-top: 0.5rem;
            margin-bottom: 1.5rem;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .internal-links {
            background-color: rgba(10, 92, 54, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .internal-links ul {
            columns: 2;
            list-style-position: inside;
        }
        .internal-links li {
            margin-bottom: 0.5rem;
        }
        footer {
            background-color: #1a1a1a;
            color: #cccccc;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-family: 'Georgia', serif;
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .friend-links a {
            color: #cccccc;
        }
        .friend-links a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333333;
            grid-column: 1 / -1;
            font-size: 0.9rem;
            color: #999999;
        }
        .update-time {
            color: var(--secondary-color);
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding: 1rem 0;
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            nav ul.active {
                transform: translateY(0);
                opacity: 1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .internal-links ul {
                columns: 1;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 0.5rem;
            }
            .search-btn {
                border-radius: 50px;
                padding: 0.8rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            header, footer, .search-container, .user-interaction {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }