* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B00;
            --secondary-color: #00A8FF;
            --accent-color: #FFD700;
            --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 {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            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: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .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 a {
            color: var(--text-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
        }
        .search-section {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 10px;
            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: 1rem;
            border: 2px solid var(--primary-color);
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--secondary-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: 10px;
            box-shadow: var(--shadow);
        }
        .article-content h1 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 2.5rem;
            line-height: 1.2;
        }
        .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-color: var(--accent-color);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .feature-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .rating-system {
            text-align: center;
            padding: 1.5rem;
            background: linear-gradient(135deg, var(--light-bg), var(--white));
            border-radius: 10px;
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .rating-btn {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1rem;
        }
        .rating-btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .comments-section {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-input {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--secondary-color);
        }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 1rem 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary-color);
        }
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 2rem 0;
        }
        .web-link {
            background-color: var(--white);
            padding: 1rem;
            border-radius: 5px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .web-link a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--white);
            padding: 3rem 0 1rem 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links a {
            color: var(--white);
            text-decoration: none;
            transition: var(--transition);
            display: block;
            padding: 0.3rem 0;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
            .search-btn {
                border-radius: 5px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }