* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2A2D7A;
            --secondary: #FF4C00;
            --accent: #00C2FF;
            --dark: #0F1123;
            --light: #F5F7FF;
            --gray: #6B7280;
            --success: #10B981;
            --border-radius: 12px;
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7ff 0%, #eef1ff 100%);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1.2rem;
            color: var(--dark);
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            color: #444;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary);
            background: rgba(42, 45, 122, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
        }
        header {
            background: var(--dark);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(15, 17, 35, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--accent);
        }
        .logo:hover {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: 30px;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 1.2rem;
        }
        .mobile-nav a:hover {
            background: var(--primary);
            padding-left: 25px;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 10px;
        }
        .search-container {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
            max-width: 800px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: 2px solid var(--primary);
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 35px;
            border-radius: 0 50px 50px 0;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #ff3a00;
            transform: scale(1.05);
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
        }
        .content-area {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .hero-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            height: 500px;
            object-fit: cover;
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(0, 194, 255, 0.1) 0%, rgba(255, 76, 0, 0.1) 100%);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            border-left: 5px solid var(--secondary);
        }
        .info-box {
            background: var(--light);
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 2rem 0;
            border: 2px dashed var(--accent);
        }
        .step-list {
            list-style: none;
            counter-reset: step-counter;
        }
        .step-list li {
            counter-increment: step-counter;
            margin-bottom: 2.5rem;
            padding-left: 70px;
            position: relative;
        }
        .step-list li:before {
            content: counter(step-counter);
            background: var(--primary);
            color: white;
            font-size: 1.8rem;
            font-weight: 900;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 0;
            top: 0;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 3rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .comparison-table th {
            background: var(--primary);
            color: white;
            padding: 20px;
            text-align: left;
        }
        .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid #eee;
        }
        .comparison-table tr:nth-child(even) {
            background: #f9f9ff;
        }
        .comparison-table tr:hover {
            background: rgba(0, 194, 255, 0.05);
        }
        .tip {
            background: #FFF9E6;
            border-left: 5px solid #FFB300;
            padding: 20px;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip i {
            color: #FFB300;
            margin-right: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .download-box {
            background: linear-gradient(135deg, var(--primary), #3A3FA0);
            color: white;
            text-align: center;
            padding: 30px;
        }
        .download-btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            text-decoration: none;
            padding: 18px 40px;
            border-radius: 50px;
            font-size: 1.3rem;
            font-weight: 800;
            margin-top: 20px;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(255, 76, 0, 0.3);
        }
        .download-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(255, 76, 0, 0.4);
            background: #ff5c1a;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            color: #FFC107;
            font-size: 2rem;
            margin: 15px 0;
        }
        .rating-form input[type="radio"] {
            display: none;
        }
        .rating-form label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 0 5px;
        }
        .rating-form input:checked ~ label,
        .rating-form label:hover,
        .rating-form label:hover ~ label {
            color: #FFC107;
        }
        .submit-btn {
            background: var(--success);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 15px;
            width: 100%;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: #0da76e;
            transform: translateY(-3px);
        }
        .comments-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 2px solid #eee;
        }
        .comment-form {
            background: var(--light);
            padding: 30px;
            border-radius: var(--border-radius);
            margin-bottom: 3rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--primary);
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .comment {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            border-left: 4px solid var(--accent);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            color: var(--gray);
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin: 4rem 0 3rem;
        }
        .web-link {
            background: white;
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            border-color: var(--accent);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
            height: 100%;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 30px;
            margin-top: 4rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 25px;
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .web-links {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            .header-container { padding: 0 15px; }
            .content-area { padding: 25px; }
            .search-form { flex-direction: column; }
            .search-input {
                border-radius: 50px;
                margin-bottom: 15px;
                text-align: center;
            }
            .search-btn {
                border-radius: 50px;
                padding: 18px;
            }
            .hero-image { height: 300px; }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-table {
                display: block;
                overflow-x: auto;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.8rem; }
            .web-links {
                grid-template-columns: 1fr;
            }
            .step-list li {
                padding-left: 60px;
            }
            .step-list li:before {
                width: 40px;
                height: 40px;
                font-size: 1.4rem;
            }
        }
        @media print {
            header, .sidebar, .search-container,
            .comments-section, .web-links, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .content-area {
                box-shadow: none;
                padding: 0;
            }
        }