* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #6a11cb;
            --secondary: #2575fc;
            --accent: #ff4e50;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --warning: #ffc107;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f7ff;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark), #16213e);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(to right, #ff4e50, #f9d423);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255,255,255,0.1);
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .search-box {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin: 2rem 0;
            text-align: center;
        }
        .search-box h2 {
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9db;
            border-left: 4px solid var(--warning);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feature-card {
            background: #f8f9ff;
            border-radius: 10px;
            padding: 1.5rem;
            border: 1px solid #e0e7ff;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .feature-card i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .download-section {
            text-align: center;
            background: linear-gradient(135deg, #6a11cb, #2575fc);
            color: white;
            padding: 3rem;
            border-radius: 15px;
            margin: 3rem 0;
        }
        .download-btn {
            display: inline-block;
            background-color: var(--accent);
            color: white;
            padding: 1rem 3rem;
            font-size: 1.2rem;
            font-weight: bold;
            border-radius: 50px;
            margin-top: 1.5rem;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255, 78, 80, 0.4);
        }
        .download-btn:hover {
            background-color: #ff2e2e;
            transform: scale(1.05);
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .user-interaction {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: var(--shadow);
            margin-top: 2rem;
        }
        .rating-section {
            display: flex;
            align-items: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: var(--secondary);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: #f1f3ff;
            padding: 1rem;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }
        .web-link a {
            color: var(--dark);
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section ul li {
            margin-bottom: 0.8rem;
        }
        .footer-section a {
            color: #ccc;
        }
        .footer-section a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            nav ul { gap: 1rem; }
        }
        @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;
            }
            nav.active {
                max-height: 300px;
                margin-top: 1rem;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav li {
                width: 100%;
                text-align: center;
                padding: 0.5rem 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 50px; width: 100%; }
            .search-form input { margin-bottom: 10px; }
            .feature-list { grid-template-columns: 1fr; }
            .rating-section { flex-direction: column; align-items: flex-start; }
        }