* {
            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-color: #f8f9fa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            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: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }
        .logo:hover {
            color: #ffd700;
            transition: color 0.3s ease;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb-links {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb-links a {
            color: #667eea;
            text-decoration: none;
        }
        .breadcrumb-links a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        h1 {
            font-size: 2.5rem;
            color: #333;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .content-section {
            background: white;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        h2 {
            color: #667eea;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        h3 {
            color: #764ba2;
            margin: 1.5rem 0 1rem 0;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
        }
        .pet-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .pet-card {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .pet-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .pet-icon {
            font-size: 3rem;
            color: #667eea;
            margin-bottom: 1rem;
        }
        .search-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 2px solid #e9ecef;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .search-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-btn:hover {
            background: #764ba2;
        }
        .rating-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .rating-btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        .rating-btn:hover {
            background: #218838;
        }
        .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-input {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid #e9ecef;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-input:focus {
            outline: none;
            border-color: #667eea;
        }
        textarea.form-input {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        .submit-btn:hover {
            background: #764ba2;
        }
        .footer-links {
            background: #343a40;
            color: white;
            padding: 3rem 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #212529;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #667eea;
                padding: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .pet-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 10px;
            }
            .content-section {
                padding: 1rem;
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }