* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #4a5568;
            text-decoration: none;
        }
        .logo:hover {
            color: #667eea;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-mobile {
            display: none;
        }
        @media (max-width: 768px) {
            .nav-mobile {
                display: block;
            }
        }
        .hamburger {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #4a5568;
        }
        .mobile-menu {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: none;
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            padding: 1rem;
        }
        .mobile-nav a {
            padding: 0.5rem 0;
            text-decoration: none;
            color: #4a5568;
            border-bottom: 1px solid #e2e8f0;
        }
        .mobile-nav a:hover {
            color: #667eea;
        }
        .breadcrumb {
            background: #f7fafc;
            padding: 1rem 0;
            margin-top: 80px;
        }
        .breadcrumb-content {
            display: flex;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #667eea;
            text-decoration: none;
        }
        main {
            background: white;
            margin: 2rem auto;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
        }
        .content-section {
            padding: 3rem 2rem;
        }
        .content-section h2 {
            color: #4a5568;
            margin-bottom: 1.5rem;
            font-size: 2rem;
            border-left: 4px solid #667eea;
            padding-left: 1rem;
        }
        .content-section h3 {
            color: #2d3748;
            margin: 2rem 0 1rem 0;
            font-size: 1.5rem;
        }
        .content-section p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ffd700;
            margin: 1rem 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .feature-card {
            background: #f7fafc;
            padding: 2rem;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 3rem;
            color: #667eea;
            margin-bottom: 1rem;
        }
        .search-section {
            background: #f7fafc;
            padding: 2rem;
            text-align: center;
        }
        .search-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .search-input {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 25px;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .interactive-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }
        .rating-system {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin: 2rem 0;
        }
        .rating-star {
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating-star:hover,
        .rating-star.active {
            color: #ffd700;
        }
        .comment-section {
            background: #f7fafc;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 8px;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-input {
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .submit-btn {
            background: #667eea;
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: #5a67d8;
        }
        .footer-links {
            background: #2d3748;
            color: white;
            padding: 3rem 2rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: #4a5568;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        .web-link:hover {
            background: #667eea;
        }
        footer {
            background: #1a202c;
            color: white;
            text-align: center;
            padding: 2rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
            }
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            color: white;
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }
        .social-links a:hover {
            color: #667eea;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }