:root {
            --primary: #2e7d32;
            --primary-dark: #1b5e20;
            --secondary: #ff9800;
            --accent: #2196f3;
            --light: #f8f9fa;
            --dark: #212121;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 8px;
            --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);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        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-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo a {
            color: inherit;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 5px 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .search-form {
            display: flex;
            border: 1px solid var(--border);
            border-radius: 50px;
            overflow: hidden;
            background: white;
        }
        .search-form input {
            border: none;
            padding: 10px 20px;
            width: 220px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 10px 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark);
        }
        .mobile-nav {
            display: none;
            background: white;
            padding: 20px;
            box-shadow: inset 0 5px 10px rgba(0,0,0,0.05);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
            padding: 10px;
            border-radius: var(--radius);
            border-left: 4px solid transparent;
        }
        .mobile-nav a:hover {
            background: var(--light);
            border-left-color: var(--secondary);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light);
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--radius);
        }
        .article-header {
            margin-bottom: 30px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .last-updated {
            background: #e8f5e9;
            padding: 8px 15px;
            border-radius: var(--radius);
            font-weight: 600;
            color: var(--primary-dark);
        }
        .featured-img {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            color: var(--primary-dark);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px;
            color: var(--dark);
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #e1f5fe 0%, #e8f5e9 100%);
            padding: 25px;
            border-radius: var(--radius);
            border-left: 5px solid var(--accent);
            margin: 25px 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .tip-box {
            background: #fff3e0;
            padding: 20px;
            border-radius: var(--radius);
            border: 1px dashed var(--secondary);
            margin: 25px 0;
        }
        .tip-box i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .link-list {
            background: var(--light);
            padding: 20px;
            border-radius: var(--radius);
            margin: 30px 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
        }
        .link-list li {
            padding: 8px 0;
            border-bottom: 1px dotted var(--border);
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            color: var(--dark);
            display: flex;
            align-items: center;
        }
        .link-list a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        .link-list i {
            margin-right: 10px;
            color: var(--primary);
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .strategy-card {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--primary);
        }
        .strategy-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.12);
        }
        .strategy-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .strategy-card h4 {
            margin-top: 0;
        }
        .rating-form, .comment-form {
            background: var(--light);
            padding: 30px;
            border-radius: var(--radius);
            margin: 40px 0;
        }
        .form-title {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2);
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        sidebar {
            background: var(--light);
            border-radius: var(--radius);
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
        }
        .popular-links a {
            display: block;
            padding: 12px 15px;
            background: white;
            margin-bottom: 10px;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .popular-links a:hover {
            background: #e8f5e9;
            transform: translateX(5px);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 25px;
            border-radius: var(--radius);
            text-align: center;
        }
        .cta-box h3 {
            color: white;
            border-bottom: none;
        }
        .cta-box .btn {
            background: white;
            color: var(--primary);
            margin-top: 15px;
        }
        .cta-box .btn:hover {
            background: #f0f0f0;
        }
        footer {
            background: var(--dark);
            color: #ddd;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--radius);
            margin: 10px 0;
            border: 1px solid rgba(255,255,255,0.1);
        }
        friend-link a {
            color: #fff;
            font-weight: 600;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav, .search-form.desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-top {
                padding: 15px 20px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .breadcrumb {
                padding-left: 20px;
                padding-right: 20px;
            }
            main {
                padding: 20px;
                gap: 30px;
            }
            .rating-form, .comment-form {
                padding: 20px;
            }
            sidebar {
                position: static;
            }
        }
        @media (min-width: 769px) {
            .mobile-nav {
                display: none !important;
            }
        }