* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #ff6b35;
            --secondary-color: #2e86ab;
            --accent-color: #f79256;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #2c3e50;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-color);
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-bg);
            color: var(--white);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
        }
        .logo span {
            color: var(--white);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a:hover {
            color: var(--primary-color);
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--dark-bg);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 1rem;
        }
        .breadcrumb {
            background-color: var(--white);
            padding: 1rem 0;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
        }
        .search-section {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid var(--secondary-color);
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .article-content {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 1rem;
        }
        .article-header h1 {
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: #666;
            font-size: 0.9rem;
        }
        .article-image {
            width: 100%;
            margin: 2rem 0;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .article-image img:hover {
            transform: scale(1.02);
        }
        .article-body h2 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--light-bg);
        }
        .article-body h3 {
            font-size: 1.4rem;
            color: var(--accent-color);
            margin: 1.5rem 0 1rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-left: 4px solid var(--primary-color);
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .download-section {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 8px;
            text-align: center;
            margin: 2rem 0;
        }
        .download-btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: var(--white);
            padding: 1rem 2rem;
            border-radius: 4px;
            font-weight: bold;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .download-btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--white);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--light-bg);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: gold;
        }
        .rating-form {
            margin-top: 1rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-control {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: var(--primary-color);
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: #666;
        }
        .comment-author {
            font-weight: bold;
            color: var(--secondary-color);
        }
        .footer-links {
            background-color: var(--white);
            padding: 2rem 0;
            margin-bottom: 2rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #e9ecef;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--white);
            padding: 2rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .copyright {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
        }