* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2E8B57;
            --secondary-color: #FFD700;
            --accent-color: #1E5A3A;
            --light-color: #F5F5F5;
            --dark-color: #222;
            --text-color: #333;
            --gray-color: #777;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f9f9f9;
            color: var(--text-color);
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
        }
        .desktop-nav ul li {
            margin-left: 25px;
        }
        .desktop-nav ul li a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
        }
        .desktop-nav ul li a:hover {
            color: var(--primary-color);
        }
        .desktop-nav ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--primary-color);
            bottom: -5px;
            left: 0;
            transition: var(--transition);
        }
        .desktop-nav ul li a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-color);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: white;
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav ul li {
            margin-bottom: 15px;
        }
        .mobile-nav ul li a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
            padding: 10px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .mobile-nav ul li a:hover {
            background-color: var(--light-color);
            color: var(--primary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f0f0f0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: var(--gray-color);
            margin: 0 8px;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--accent-color);
            font-size: 2.5rem;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .meta-info {
            display: flex;
            align-items: center;
            color: var(--gray-color);
            margin-bottom: 25px;
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .meta-info span {
            margin-right: 20px;
            display: flex;
            align-items: center;
        }
        .meta-info i {
            margin-right: 5px;
        }
        h2, h3 {
            color: var(--primary-color);
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 4px solid var(--secondary-color);
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 25px 0;
        }
        .code-item {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        .code-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.15);
        }
        .code-value {
            font-size: 1.8rem;
            font-weight: bold;
            letter-spacing: 2px;
            margin: 10px 0;
            font-family: monospace;
        }
        .code-desc {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            font-style: italic;
            color: var(--gray-color);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .feature-list {
            background: var(--light-color);
            padding: 25px;
            border-radius: 10px;
            margin: 25px 0;
        }
        .feature-list ul {
            list-style-position: inside;
            columns: 2;
        }
        @media (max-width: 768px) {
            .feature-list ul {
                columns: 1;
            }
        }
        .feature-list li {
            margin-bottom: 10px;
            padding-left: 10px;
        }
        .interaction-section {
            margin-top: 40px;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .interaction-section h2 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
        }
        .btn i {
            margin-right: 8px;
        }
        .rating {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        .rating span {
            margin-right: 15px;
            font-weight: 600;
        }
        .stars {
            color: var(--secondary-color);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .stars i {
            margin-right: 5px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            font-size: 1.4rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
        }
        .search-box {
            display: flex;
            margin-top: 15px;
        }
        .search-box input {
            flex: 1;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--accent-color);
        }
        .popular-links ul {
            list-style: none;
        }
        .popular-links ul li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        .popular-links ul li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .popular-links ul li a {
            text-decoration: none;
            color: var(--text-color);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .popular-links ul li a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .popular-links ul li a i {
            margin-right: 10px;
            color: var(--primary-color);
        }
        .web-links {
            background: var(--accent-color);
            padding: 40px 0;
            color: white;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-size: 1rem;
            display: block;
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 20px;
            color: #aaa;
            font-size: 0.9rem;
            border-top: 1px solid #444;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .header-top, .article-content, .sidebar-widget {
                padding-left: 15px;
                padding-right: 15px;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        strong {
            color: var(--accent-color);
        }