* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2E7D32;
            --secondary-color: #FF9800;
            --accent-color: #2196F3;
            --text-color: #333;
            --light-bg: #f5f5f5;
            --dark-bg: #1B5E20;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 8px;
            --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;
            font-size: 18px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
            color: white;
            padding: 15px 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 28px;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
            font-size: 32px;
        }
        .logo span {
            background: linear-gradient(to right, #FFD600, #FF9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        nav a:hover::after {
            width: 80%;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 12px 0;
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #777;
        }
        .search-form {
            display: flex;
            margin: 25px 0 40px;
            max-width: 600px;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--primary-color);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 18px;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 18px;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--dark-bg);
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            color: var(--dark-bg);
            font-size: 42px;
            margin-bottom: 25px;
            line-height: 1.3;
            border-bottom: 4px solid var(--secondary-color);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--primary-color);
            font-size: 32px;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 6px solid var(--accent-color);
        }
        h3 {
            color: var(--dark-bg);
            font-size: 26px;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .highlight {
            background-color: #E8F5E9;
            padding: 25px;
            border-left: 5px solid var(--primary-color);
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .tip-box {
            background-color: #FFF3E0;
            border: 2px dashed var(--secondary-color);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 25px 0;
        }
        .tip-box h4 {
            color: #E65100;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .stat-card {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 5px solid var(--accent-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .stat-number {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-desc {
            font-size: 18px;
            color: #666;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            margin-bottom: 30px;
        }
        .user-interaction {
            background-color: var(--light-bg);
            padding: 40px;
            border-radius: var(--border-radius);
            margin: 50px 0;
        }
        .rating-form, .comment-form {
            margin-bottom: 40px;
        }
        .form-title {
            color: var(--primary-color);
            font-size: 28px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 32px;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #FFD700;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 18px;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            border-color: var(--accent-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--dark-bg);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .internal-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 50px 0;
        }
        .web-link {
            background-color: #E3F2FD;
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--accent-color);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #BBDEFB;
            transform: translateX(10px);
        }
        .web-link a {
            color: var(--dark-bg);
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--secondary-color);
            font-size: 24px;
            margin-bottom: 25px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 16px;
            color: #aaa;
        }
        .hamburger {
            display: none;
            font-size: 28px;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 36px;
            }
            h2 {
                font-size: 28px;
            }
            h3 {
                font-size: 24px;
            }
            nav ul {
                gap: 15px;
            }
            nav a {
                font-size: 16px;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
                order: 3;
                margin-top: 15px;
            }
            nav.active {
                max-height: 500px;
            }
            nav ul {
                flex-direction: column;
                gap: 10px;
                padding: 15px 0;
            }
            nav a {
                display: block;
                padding: 12px;
                border-radius: var(--border-radius);
                background-color: rgba(255, 255, 255, 0.1);
            }
            article {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: var(--border-radius);
                margin-bottom: 10px;
            }
            .search-btn {
                border-radius: var(--border-radius);
                padding: 15px;
            }
            .user-interaction {
                padding: 25px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 30px;
            }
            h2 {
                font-size: 24px;
            }
            body {
                font-size: 16px;
            }
            .logo {
                font-size: 24px;
            }
            .stat-number {
                font-size: 36px;
            }
        }
        .text-center {
            text-align: center;
        }
        .text-bold {
            font-weight: 700;
        }
        .text-primary {
            color: var(--primary-color);
        }
        .text-secondary {
            color: var(--secondary-color);
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.8s ease forwards;
        }
        .delayed-1 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delayed-2 {
            animation-delay: 0.4s;
            opacity: 0;
        }