:root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --dark-green: #00b300;
            --light-gray: #f9f9f9;
            --medium-gray: #e0e0e0;
            --dark-gray: #4a4a4a;
            --text-color: #333333;
            --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: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #ffffff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary-green);
        }
        .my-logo:hover {
            color: var(--dark-green);
            transform: scale(1.02);
        }
        .breadcrumb {
            padding: 12px 20px;
            background-color: var(--light-gray);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--medium-gray);
        }
        .breadcrumb a {
            color: var(--secondary-green);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--dark-gray);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 28px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--dark-gray);
            padding: 8px 4px;
            position: relative;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--primary-green);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: var(--transition);
        }
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark-gray);
        }
        .hero {
            padding: 60px 20px;
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            text-align: center;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            color: var(--dark-gray);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #555;
        }
        main {
            padding: 20px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2.2rem;
            color: var(--dark-green);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--medium-gray);
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: var(--secondary-green);
            margin: 35px 0 15px;
        }
        .article-content h4 {
            font-size: 1.5rem;
            color: var(--dark-gray);
            margin: 30px 0 12px;
        }
        .article-content p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .article-content strong {
            color: var(--dark-green);
            font-weight: 700;
        }
        .article-content em {
            background-color: #fffacd;
            font-style: italic;
            padding: 0 4px;
        }
        .highlight-box {
            background-color: var(--light-gray);
            border-left: 5px solid var(--primary-green);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-container {
            margin: 35px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-size: 0.95rem;
            color: #666;
            margin-top: 10px;
            font-style: italic;
        }
        .link-list {
            list-style: none;
            padding: 20px;
            background-color: #f0f9ff;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .link-list li::before {
            content: '🔗';
            position: absolute;
            left: 0;
        }
        .link-list a {
            color: var(--secondary-green);
            font-weight: 600;
        }
        .link-list a:hover {
            text-decoration: underline;
            color: var(--dark-green);
        }
        .sidebar {
            position: sticky;
            top: 140px;
            align-self: start;
        }
        .widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.4rem;
            color: var(--dark-green);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--medium-gray);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 14px;
            border: 2px solid var(--medium-gray);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 22px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--dark-green);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        #rating-value {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--dark-gray);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--medium-gray);
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            margin-bottom: 15px;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button {
            background-color: var(--secondary-green);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #0a9bd6;
        }
        footer {
            background-color: #2c3e50;
            color: white;
            padding: 50px 20px 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-section h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--primary-green);
        }
        .friend-link {
            display: inline-block;
            background-color: #34495e;
            color: white;
            padding: 10px 18px;
            border-radius: 8px;
            margin: 5px 8px 5px 0;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .friend-link:hover {
            background-color: var(--secondary-green);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid #4a6278;
            font-size: 0.95rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 100px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background-color: white;
                padding: 30px;
                box-shadow: var(--shadow);
                transition: left 0.5s ease;
                gap: 0;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin-bottom: 20px;
            }
            .nav-links a {
                font-size: 1.2rem;
                padding: 12px 0;
                display: block;
                border-bottom: 1px solid var(--light-gray);
            }
            .nav-links a::after {
                display: none;
            }
            .article-content h2 {
                font-size: 1.9rem;
            }
            .article-content h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            .header-container {
                padding: 12px 15px;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }