        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #e67e22;
            transition: color 0.3s;
        }
        a:hover {
            color: #d35400;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 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-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #f39c12;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: #e74c3c;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(236, 240, 241, 0.1);
            color: #f39c12;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: #e67e22;
        }
        .search-btn {
            background: linear-gradient(to right, #e67e22, #d35400);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: opacity 0.3s;
        }
        .search-btn:hover {
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #f39c12;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #34495e;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #bdc3c7;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c3e50;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #7f8c8d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background: #fef9e7;
            padding: 1.5rem;
            border-left: 5px solid #f39c12;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffde7;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.005);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: #2980b9;
            border-bottom: 1px dotted #2980b9;
            padding-bottom: 1px;
        }
        .content-link:hover {
            color: #e74c3c;
            border-bottom-style: solid;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        blockquote {
            border-left: 4px solid #e67e22;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #fdf2e9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .interactive-section {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #2c3e50;
            margin-bottom: 1.5rem;
        }
        .section-title i {
            color: #e67e22;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input, .form-textarea {
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #e67e22;
            outline: none;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
        }
        .submit-btn {
            background: linear-gradient(to right, #27ae60, #229954);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            align-self: flex-start;
            transition: opacity 0.3s;
        }
        .submit-btn:hover {
            opacity: 0.9;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #f1c40f;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f39c12;
        }
        .related-links {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding: 0.8rem;
            background: #f8f9fa;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .related-links li:hover {
            background: #e9ecef;
        }
        .update-time {
            color: #7f8c8d;
            font-size: 0.9rem;
            background: #f1f8e9;
            padding: 0.8rem;
            border-radius: 6px;
            text-align: center;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: #f39c12;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: #f39c12;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem;
                background: rgba(255,255,255,0.05);
                border-radius: 4px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                border-radius: 6px;
                width: 100%;
            }
            .search-input {
                margin-bottom: 10px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar {
            animation: fadeIn 0.8s ease-out;
        }
