* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
        }
        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, #4a6491);
            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 a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffdd40;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Courier New', monospace;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
            color: #4ecdc4;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: #4ecdc4;
            color: #2c3e50;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            text-align: center;
            padding: 3rem 1rem;
            background: linear-gradient(to right, #f7f9fc, #e3e8f0);
            margin-bottom: 2rem;
            border-radius: 10px;
        }
        .hero h1 {
            font-size: 3.2rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: #5a6c7d;
            max-width: 800px;
            margin: 0 auto 1.5rem;
        }
        .search-section {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 3rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border: 2px solid #4ecdc4;
            border-radius: 50px;
            overflow: hidden;
        }
        .search-form input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-form button {
            background-color: #4ecdc4;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #2bbbad;
        }
        .main-article {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: #2c3e50;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; border-bottom: 3px solid #4ecdc4; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #3498db; border-left: 5px solid #ffdd40; padding-left: 15px; }
        h3 { font-size: 1.8rem; color: #2c3e50; }
        h4 { font-size: 1.5rem; color: #5a6c7d; }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-left: 4px solid #ffdd40;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-style: italic;
            color: #7f8c8d;
            border-left: 4px solid #3498db;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .featured-image {
            width: 100%;
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-link {
            color: #e74c3c;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted #e74c3c;
            padding-bottom: 2px;
            transition: all 0.2s;
        }
        .internal-link:hover {
            color: #c0392b;
            border-bottom-style: solid;
        }
        .interaction-section {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 3rem;
        }
        .rating-form, .comment-form {
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover {
            color: #ffdd40;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background-color: #2980b9;
        }
        .site-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #ffdd40;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #4ecdc4;
            padding-bottom: 0.5rem;
        }
        .footer-links a {
            display: block;
            color: #bdc3c7;
            text-decoration: none;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #4ecdc4;
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background: #34495e;
            color: #ffdd40;
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: #4ecdc4;
            color: #2c3e50;
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #dff9fb;
            padding: 1rem;
            border-radius: 5px;
            margin: 2rem 0;
            text-align: center;
            font-weight: bold;
            color: #2c3e50;
        }
        @media (max-width: 992px) {
            .main-article {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #2c3e50;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #34495e;
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 10px;
                border: 2px solid #4ecdc4;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 0;
                border: none;
            }
            .search-form input {
                border-bottom: 1px solid #ddd;
            }
        }