* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #3498db;
            --secondary: #2c3e50;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --text: #333333;
            --gray: #95a5a6;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: #f9f9f9;
            font-size: 18px;
        }
        .site-header {
            background: var(--secondary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--primary);
        }
        .my-logo:hover {
            color: var(--primary);
            transform: scale(1.02);
            transition: var(--transition);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--primary);
            color: white;
        }
        .breadcrumb {
            background: var(--light);
            padding: 1rem 2rem;
            max-width: var(--container-width);
            margin: 0 auto;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .search-container {
            max-width: var(--container-width);
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--primary);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #2980b9;
        }
        .main-content {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 2rem;
            background: white;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
        }
        article {
            margin-bottom: 3rem;
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 1rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        h3 {
            color: var(--dark);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--secondary);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: #f8f9fa;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .content-link {
            background: #f0f7ff;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            border-left: 3px solid var(--primary);
        }
        .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ffd700;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            max-width: 500px;
            margin: 2rem auto;
        }
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button {
            background: var(--accent);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: #c0392b;
        }
        .comment-section {
            margin: 4rem 0;
        }
        .comment-form {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 3rem;
        }
        .comment-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .site-footer {
            background: var(--secondary);
            color: white;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: var(--container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 0.8rem;
        }
        .friend-links a {
            color: #ddd;
            text-decoration: none;
        }
        .friend-links a:hover {
            color: var(--primary);
            padding-left: 0.5rem;
            transition: var(--transition);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5a6a;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        .update-time {
            background: #e8f4fc;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                flex: 1;
            }
            .main-nav {
                order: 2;
                flex: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #4a5a6a;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            body {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .header-container,
            .main-content,
            .search-container {
                padding: 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input,
            .search-button {
                width: 100%;
                border-radius: var(--border-radius);
                margin-bottom: 0.5rem;
            }
        }
        @media print {
            .site-header,
            .search-container,
            .rating-section,
            .comment-form,
            .site-footer,
            .hamburger {
                display: none;
            }
            body {
                background: white;
                font-size: 12pt;
                color: black;
            }
            .main-content {
                box-shadow: none;
                padding: 0;
                max-width: 100%;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            a:after {
                content: " (" attr(href) ")";
                font-size: 0.9em;
                font-weight: normal;
            }
        }