* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Nirmala UI', Arial, sans-serif;
        }
        :root {
            --primary-color: #2E7D32;
            --secondary-color: #FF9800;
            --accent-color: #2196F3;
            --text-color: #333;
            --light-bg: #f9f9f9;
            --dark-bg: #1B5E20;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            color: var(--text-color);
            line-height: 1.7;
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        header {
            background-color: var(--dark-bg);
            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;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            gap: 25px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover, .desktop-nav a:focus {
            color: var(--secondary-color);
            border-bottom-color: var(--secondary-color);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark-bg);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            color: var(--secondary-color);
            padding-left: 10px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        main {
            padding: 40px 20px;
            background: linear-gradient(to bottom, #fff, #f0f9ff);
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 2px dashed var(--primary-color);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        .article-meta {
            color: #666;
            font-style: italic;
            margin-bottom: 20px;
        }
        .intro {
            font-size: 1.2rem;
            background-color: #E8F5E9;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 40px;
            border-left: 5px solid var(--primary-color);
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            color: var(--dark-bg);
            font-size: 2rem;
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-color);
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.5rem;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid var(--secondary-color);
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
        }
        .steps {
            counter-reset: step-counter;
            margin: 30px 0;
        }
        .step {
            background: white;
            padding: 25px;
            margin-bottom: 20px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            position: relative;
            padding-left: 70px;
        }
        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--primary-color);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .tool-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .tool-card {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--accent-color);
        }
        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .tool-card h4 {
            color: var(--accent-color);
            margin-bottom: 10px;
        }
        .interactive-section {
            background: white;
            padding: 40px;
            border-radius: 15px;
            margin: 50px 0;
            box-shadow: var(--shadow);
        }
        .section-title {
            text-align: center;
            margin-bottom: 30px;
            color: var(--primary-color);
        }
        .search-box, .comment-form, .rating-form {
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            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, 0.2);
        }
        button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover, button:focus {
            background-color: var(--dark-bg);
            transform: scale(1.05);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #FFC107;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 8px;
            vertical-align: middle;
        }
        .footer-links {
            background-color: var(--light-bg);
            padding: 40px 20px;
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .web-link {
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #E8F5E9;
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 600;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 40px 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            font-size: 1.5rem;
        }
        .social-links a:hover {
            color: var(--secondary-color);
            transform: scale(1.2);
        }
        .copyright {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            width: 100%;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .header-container { padding: 12px 20px; }
            .interactive-section { padding: 25px; }
            .step { padding-left: 60px; }
            .step::before { width: 35px; height: 35px; font-size: 1rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .tool-list { grid-template-columns: 1fr; }
            .web-link-container { grid-template-columns: 1fr; }
            .star-rating label { font-size: 1.7rem; }
        }