* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #ff9c00;
            --secondary-color: #2186c4;
            --accent-color: #ff4655;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #2c3e50;
            --border-radius: 8px;
            --box-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 15px;
        }
        header {
            background-color: white;
            box-shadow: var(--box-shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #e68a00;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-color);
        }
        nav {
            background-color: var(--dark-bg);
        }
        .nav-menu {
            display: flex;
            list-style: none;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 15px 20px;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: #f1f1f1;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 30px 0;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 60px 0;
            text-align: center;
            margin-bottom: 30px;
            border-radius: var(--border-radius);
        }
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .content-section {
            background-color: white;
            padding: 30px;
            margin-bottom: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .content-section h2 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .content-section h3 {
            color: var(--primary-color);
            margin: 25px 0 15px;
        }
        .content-section p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 4px solid var(--primary-color);
            margin: 20px 0;
        }
        .image-container {
            margin: 25px 0;
            text-align: center;
        }
        .responsive-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .feature-card {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--box-shadow);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .tab-container {
            margin: 30px 0;
        }
        .tab-buttons {
            display: flex;
            border-bottom: 1px solid #ddd;
        }
        .tab-btn {
            padding: 12px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }
        .tab-btn.active {
            border-bottom: 3px solid var(--primary-color);
            color: var(--primary-color);
            font-weight: bold;
        }
        .tab-content {
            padding: 20px 0;
        }
        .tab-panel {
            display: none;
        }
        .tab-panel.active {
            display: block;
        }
        .rating-section {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--primary-color);
        }
        .rating-form {
            margin-top: 20px;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .submit-btn:hover {
            background-color: #e68a00;
        }
        .comments-section {
            margin-top: 40px;
        }
        .comment {
            background-color: #f8f9fa;
            padding: 15px;
            border-radius: var(--border-radius);
            margin-bottom: 15px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        .comment-author {
            font-weight: bold;
            color: var(--secondary-color);
        }
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        .internal-links {
            background-color: white;
            padding: 30px 0;
            margin-bottom: 30px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 15px;
            border-radius: var(--border-radius);
            text-align: center;
        }
        .web-link a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-color);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 15px;
                max-width: 100%;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                box-shadow: var(--box-shadow);
            }
            .nav-menu.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-section {
                padding: 20px;
            }
            .tab-buttons {
                flex-wrap: wrap;
            }
            .tab-btn {
                flex: 1;
                min-width: 120px;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }