* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2E7D32;
            --secondary-color: #FF9800;
            --accent-color: #2196F3;
            --text-dark: #333333;
            --text-light: #666666;
            --background-light: #F5F5F5;
            --white: #FFFFFF;
            --border-color: #E0E0E0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        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(--background-light);
            font-size: 16px;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 28px;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            transition: var(--transition);
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f9f9f9;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            padding: 5px 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--secondary-color);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .search-form {
            display: flex;
            margin-left: 20px;
        }
        .search-form input {
            padding: 8px 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            width: 200px;
            font-size: 14px;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 8px 15px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #1B5E20;
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--text-dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--accent-color);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-light);
            margin-bottom: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: rgba(255, 152, 0, 0.1);
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .key-point {
            border-left: 4px solid var(--accent-color);
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            margin-bottom: 30px;
        }
        .interactive-section {
            background-color: #f0f7ff;
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 40px 0;
            border-left: 5px solid var(--accent-color);
        }
        .interactive-section h3 {
            margin-top: 0;
            color: var(--accent-color);
        }
        .comment-form, .rating-form {
            background-color: #f9f9f9;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--text-dark);
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 16px;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 28px;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .rating-stars input:checked ~ label {
            color: #ffc107;
        }
        button[type="submit"] {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        button[type="submit"]:hover {
            background-color: #1B5E20;
            transform: translateY(-2px);
        }
        .content-links {
            margin: 30px 0;
            padding: 20px;
            background-color: #f5f9f5;
            border-radius: var(--border-radius);
        }
        .content-links h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .content-links ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
        }
        .content-links li {
            margin-bottom: 10px;
        }
        .content-links a {
            color: var(--accent-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .content-links a:hover {
            background-color: rgba(33, 150, 243, 0.1);
            text-decoration: underline;
        }
        .content-links i {
            color: var(--primary-color);
        }
        footer {
            background-color: #2c3e50;
            color: var(--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-section h3 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: var(--border-radius);
            margin: 15px 0;
        }
        friend-link a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 500;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bdc3c7;
            font-size: 14px;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .nav-links {
                gap: 15px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links a {
                font-size: 18px;
                padding: 10px 0;
            }
            .search-form {
                margin-left: 0;
                margin-top: 20px;
                width: 100%;
            }
            .search-form input {
                width: 100%;
            }
            .header-container {
                flex-wrap: wrap;
            }
            article {
                padding: 25px;
            }
            .content-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 15px;
            }
            article {
                padding: 20px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.5s ease-out;
        }
        .text-center {
            text-align: center;
        }
        .mt-30 {
            margin-top: 30px;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .last-updated {
            background-color: #f0f8ff;
            padding: 15px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            border-left: 4px solid var(--accent-color);
        }