* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Noto Sans Devanagari', Arial, sans-serif;
        }
        :root {
            --primary: #ff5722;
            --secondary: #4caf50;
            --accent: #2196f3;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --text: #333333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
            font-size: 2.5rem;
        }
        .search-form {
            display: flex;
            width: 300px;
        }
        .search-input {
            flex: 1;
            padding: 12px 18px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            background: rgba(255,255,255,0.95);
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #ff7043;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            background: rgba(0,0,0,0.9);
            padding: 0;
            justify-content: center;
            gap: 2px;
        }
        nav li {
            flex: 1;
            text-align: center;
        }
        nav a {
            color: white;
            text-decoration: none;
            padding: 18px 5px;
            display: block;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }
        nav a:hover, nav a.active {
            background: rgba(255,255,255,0.1);
            border-bottom-color: var(--primary);
        }
        .breadcrumb {
            padding: 12px 0;
            background: rgba(255,255,255,0.05);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
            min-height: 1500px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: #666;
            margin-top: 20px;
        }
        .article-meta i {
            color: var(--primary);
            margin-right: 8px;
        }
        .content-section {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
            transition: var(--transition);
        }
        .content-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        h2 {
            color: var(--dark);
            font-size: 2rem;
            margin: 30px 0 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--primary);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.6rem;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #fff9c4 0%, #fff9c4 100%);
            padding: 25px;
            border-left: 5px solid var(--primary);
            border-radius: 8px;
            margin: 30px 0;
            font-size: 1.15rem;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .feature-card {
            background: var(--light);
            padding: 25px;
            border-radius: 12px;
            border-top: 4px solid var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: scale(1.03);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 15px;
        }
        .feature-card h4 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .download-box {
            text-align: center;
            background: linear-gradient(135deg, var(--dark), #16213e);
            color: white;
            padding: 50px 30px;
            border-radius: 20px;
            margin: 50px 0;
        }
        .download-btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary), #ff8a00);
            color: white;
            padding: 20px 50px;
            font-size: 1.4rem;
            font-weight: 700;
            text-decoration: none;
            border-radius: 50px;
            margin-top: 30px;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255,87,34,0.4);
        }
        .download-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(255,87,34,0.6);
            background: linear-gradient(90deg, #ff8a00, var(--primary));
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 40px 0;
        }
        .stat-item {
            text-align: center;
            padding: 25px 15px;
            background: #f0f7ff;
            border-radius: 12px;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 1rem;
            color: #555;
            margin-top: 10px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 30px auto;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .interactive-section {
            margin: 50px 0;
        }
        .tabs {
            display: flex;
            border-bottom: 2px solid #eee;
            margin-bottom: 30px;
        }
        .tab-btn {
            padding: 15px 30px;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: #666;
            cursor: pointer;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }
        .tab-btn.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .tab-content {
            display: none;
            padding: 25px;
            background: #f9f9f9;
            border-radius: 0 12px 12px 12px;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .rating-section {
            text-align: center;
            padding: 40px;
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-radius: 15px;
        }
        .stars {
            font-size: 2.5rem;
            color: #ffc107;
            margin: 20px 0;
            cursor: pointer;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form, .rating-form {
            max-width: 800px;
            margin: 40px auto;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(33,150,243,0.2);
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            margin: 30px auto 0;
        }
        .submit-btn:hover {
            background: #388e3c;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(76,175,80,0.4);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            padding: 50px 0;
            background: var(--dark);
            color: white;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #4fc3f7;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
        }
        footer {
            background: #0f1420;
            color: #ccc;
            padding: 60px 0 30px;
            text-align: center;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-col h4 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 8px;
        }
        .copyright {
            padding-top: 30px;
            border-top: 1px solid #333;
            font-size: 0.95rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .web-links {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin-top: 20px;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                flex-direction: column;
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
            }
            nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            .feature-list, .stats-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                gap: 15px;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .content-section {
                padding: 25px 20px;
            }
            .download-box {
                padding: 40px 20px;
            }
            .download-btn {
                padding: 18px 40px;
                font-size: 1.2rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .tabs {
                flex-direction: column;
            }
            .tab-btn {
                text-align: left;
                border-bottom: 1px solid #eee;
            }
        }
        @media print {
            header, nav, .interactive-section, .web-links, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .container {
                max-width: 100%;
            }
        }