* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background-color: #f8f9fa;
            font-size: 1.05rem;
        }
        a {
            color: #27ae60;
            text-decoration: none;
            transition: color 0.3s ease, text-decoration 0.3s ease;
        }
        a:hover {
            color: #219653;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .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);
            white-space: nowrap;
            border: 0;
        }
        header {
            background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: Georgia, serif;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.95;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            text-decoration: none;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #f1c40f;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb span {
            color: #34495e;
        }
        .search-container {
            background-color: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem 0;
            text-align: center;
        }
        .search-container h2 {
            margin-bottom: 1rem;
            color: #27ae60;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #bdc3c7;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            border-color: #27ae60;
        }
        .search-btn {
            background-color: #27ae60;
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background-color: #219653;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #27ae60;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2.4rem;
            color: #27ae60;
            margin: 2.5rem 0 1.2rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ecf0f1;
        }
        h3 {
            font-size: 1.8rem;
            color: #34495e;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            font-size: 1.4rem;
            color: #7f8c8d;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background-color: #f9fdfb;
            border-left: 4px solid #2ecc71;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-left: 5px solid #f1c40f;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .img-caption {
            font-size: 0.95rem;
            color: #7f8c8d;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .quote {
            font-style: italic;
            color: #555;
            border-left: 4px solid #9b59b6;
            padding-left: 1.5rem;
            margin: 2rem 0 2rem 1.5rem;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feature-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.07);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid #3498db;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.1);
        }
        .feature-card h4 {
            color: #2980b9;
            margin-top: 0;
        }
        .user-feedback {
            background-color: #f8f9fa;
            padding: 2.5rem;
            border-radius: 12px;
            margin-top: 3rem;
            border: 1px solid #e9ecef;
        }
        .user-feedback h2 {
            color: #e67e22;
            border-bottom-color: #fdebd0;
        }
        .feedback-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            max-width: 800px;
            margin: 2rem auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.9rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #27ae60;
            outline: none;
            box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.2);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            margin: 0.5rem 0;
            direction: ltr;
        }
        .rating input {
            display: none;
        }
        .rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #f1c40f;
        }
        .submit-btn {
            background-color: #e67e22;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            justify-self: start;
        }
        .submit-btn:hover {
            background-color: #d35400;
        }
        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #f1c40f;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: #f1c40f;
            padding-left: 8px;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background-color: #34495e;
            padding: 1.2rem;
            margin-bottom: 1rem;
            border-radius: 6px;
            transition: background-color 0.3s;
        }
        friend-link a {
            color: #1abc9c;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link:hover {
            background-color: #3d566e;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            article { padding: 2rem; }
            .header-content { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #27ae60;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                border-radius: 0 0 12px 12px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
        }
        @media (max-width: 768px) {
            body { font-size: 1rem; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 50px; width: 100%; }
            .search-input { margin-bottom: 10px; }
        }