* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2563eb;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --text-color: #1f2937;
            --light-bg: #f8fafc;
            --dark-bg: #1e293b;
            --border-color: #e2e8f0;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-bg));
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }
        .logo span {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-desktop a:hover {
            color: var(--accent-color);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark-bg);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s ease;
        }
        .mobile-nav a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: var(--light-bg);
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-btn:hover {
            background: #1d4ed8;
        }
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .article-content h1 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 2.5rem;
        }
        .article-content h2 {
            color: var(--secondary-color);
            margin: 2rem 0 1rem 0;
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: var(--dark-bg);
            margin: 1.5rem 0 1rem 0;
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: var(--accent-color);
            color: white;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .feature-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1rem 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .download-box, .rating-widget, .comments-section {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .download-btn {
            display: block;
            width: 100%;
            background: var(--secondary-color);
            color: white;
            text-align: center;
            padding: 1rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            margin: 1rem 0;
            transition: background 0.3s ease;
        }
        .download-btn:hover {
            background: #b91c1c;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .submit-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: #1d4ed8;
        }
        .web-links {
            background: var(--light-bg);
            padding: 2rem 0;
            margin: 2rem 0;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: var(--dark-bg);
            color: white;
            padding: 3rem 0 1rem 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .footer-section a {
            color: #cbd5e1;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }
        .footer-section a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #94a3b8;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }