* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Noto Sans Devanagari', sans-serif;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --accent: #f39c12;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --gray: #7f8c8d;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.8;
            font-size: 18px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #1a2530);
            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: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: var(--secondary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #f1f2f6;
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-box {
            max-width: 800px;
            margin: 2rem auto;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .search-box h2 {
            color: var(--primary);
            margin-bottom: 1rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1.1rem;
        }
        .search-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #c0392b;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 6px solid var(--accent);
            padding-left: 1rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--light);
        }
        h3 {
            color: var(--dark);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 5px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feature-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-top: 4px solid var(--secondary);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .feature-card i {
            color: var(--secondary);
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .image-container {
            text-align: center;
            margin: 3rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .download-section {
            background: linear-gradient(to right, #2c3e50, #4a6491);
            color: white;
            padding: 3rem;
            border-radius: 16px;
            text-align: center;
            margin: 3rem 0;
        }
        .download-btn {
            display: inline-block;
            background-color: var(--accent);
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.4rem;
            font-weight: bold;
            border-radius: 50px;
            text-decoration: none;
            margin-top: 1.5rem;
            transition: var(--transition);
            box-shadow: 0 6px 0 #b06c0f;
        }
        .download-btn:hover {
            background-color: #e67e22;
            transform: translateY(-3px);
            box-shadow: 0 9px 0 #b06c0f;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-box, .rating-box {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .comment-box h3, .rating-box h3 {
            color: var(--primary);
        }
        textarea, select, input {
            width: 100%;
            padding: 15px;
            margin: 10px 0;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #1a2530;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
            justify-content: center;
        }
        .stars i {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover, .stars i.active {
            color: var(--accent);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: #f1f2f6;
            padding: 1rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: #dfe4ea;
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background-color: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5f7a;
            width: 100%;
            color: #bdc3c7;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body { font-size: 16px; }
            h1 { font-size: 2rem; }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .download-section {
                padding: 2rem 1rem;
            }
        }