* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #4a6ee0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2a4ec4;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background-color: #fffacd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .site-header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            font-family: 'Comic Sans MS', cursive, sans-serif;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffeb3b;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: #ffeb3b;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: #ffeb3b;
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #4a6ee0;
        }
        .search-section {
            background-color: #fff;
            padding: 2rem 0;
            border-bottom: 1px solid #dee2e6;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: #4a6ee0;
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s ease;
        }
        .search-button:hover {
            background-color: #2a4ec4;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .update-time {
            color: #e74c3c;
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #2c3e50;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: #3498db;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1f1f1;
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: #555;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 5px solid #4a6ee0;
            margin-bottom: 2rem;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 2rem auto;
            text-align: center;
        }
        .featured-image img {
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        blockquote {
            border-left: 4px solid #4a6ee0;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .related-links {
            background-color: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-top: 0;
            color: #2980b9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            margin-bottom: 1rem;
            color: #2c3e50;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffcc00;
        }
        .rating-inputs {
            display: none;
        }
        .rating-widget button {
            background-color: #27ae60;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .rating-widget button:hover {
            background-color: #219653;
        }
        .comment-widget textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .comment-widget button {
            background-color: #4a6ee0;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .comment-widget button:hover {
            background-color: #2a4ec4;
        }
        .site-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .footer-links {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 200px;
        }
        .footer-section h4 {
            color: #3498db;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-section li {
            margin-bottom: 0.7rem;
        }
        .footer-section a {
            color: #bdc3c7;
        }
        .footer-section a:hover {
            color: #3498db;
        }
        friend-link {
            display: block;
            background-color: #34495e;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #ecf0f1;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #6a11cb;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav ul li {
                text-align: center;
                padding: 0.8rem 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 1.5rem;
            }
            .footer-links {
                flex-direction: column;
            }
        }