* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --text: #333;
            --text-light: #7f8c8d;
            --border: #ddd;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            box-shadow: var(--shadow);
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.75rem;
            border-radius: var(--radius);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--light);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            margin: 0 0.5rem;
        }
        main {
            padding: 3rem 0;
            background: white;
        }
        .article-header {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px solid var(--border);
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text);
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        strong {
            color: var(--dark);
            font-weight: 700;
        }
        .image-container {
            margin: 2.5rem auto;
            max-width: 800px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .image-container img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .image-container:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            padding: 1rem;
            background-color: var(--light);
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            margin: 3rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 1.5rem auto 0;
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: var(--shadow);
        }
        .search-btn {
            background-color: var(--accent);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 1rem 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .search-btn:hover {
            background-color: #c0392b;
            transform: translateY(-2px);
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin: 4rem 0;
        }
        @media (max-width: 768px) {
            .interaction-section {
                grid-template-columns: 1fr;
            }
        }
        .comment-form, .rating-form {
            background-color: var(--light);
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .form-title {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.875rem;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            margin: 1rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #f39c12;
        }
        .submit-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        footer {
            background-color: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            border-left: 4px solid var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            .header-container, .article-meta {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section {
            animation: fadeIn 0.8s ease-out;
        }