* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2E7D32;
            --secondary-color: #FF9800;
            --accent-color: #4CAF50;
            --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 {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: #fff;
            max-width: 100%;
            overflow-x: hidden;
        }
        .header {
            background: linear-gradient(135deg, var(--dark-bg), var(--primary-color));
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark-bg);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .search-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid var(--primary-color);
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--dark-bg);
            transform: scale(1.05);
        }
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid var(--accent-color);
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .content-section {
            margin-bottom: 3rem;
            padding: 2rem;
            background-color: var(--light-bg);
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .section-title {
            color: var(--primary-color);
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-weight: bold;
        }
        .tip-box {
            background-color: #E8F5E9;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning-box {
            background-color: #FFEBEE;
            border-left: 4px solid #F44336;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .rating-system {
            background-color: white;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD700;
        }
        .comment-system {
            margin: 3rem 0;
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input {
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-button:hover {
            background-color: var(--dark-bg);
            transform: translateY(-2px);
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        .footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 2rem 1rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0.5rem;
            }
            .logo {
                font-size: 1.8rem;
            }
            .article-title {
                font-size: 2rem;
            }
            .main-content {
                padding: 1rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .article-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stars {
                flex-wrap: wrap;
            }
            .star {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section {
            animation: fadeIn 0.6s ease-out;
        }
        @media print {
            .header, .footer, .search-container,
            .rating-system, .comment-system {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
        }