:root {
            --primary-red: #e10600;
            --primary-black: #15151e;
            --primary-silver: #f2f2f2;
            --accent-gold: #ffd700;
            --text-light: #f8f9fa;
            --text-dark: #212529;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--primary-silver);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--primary-black);
            color: var(--text-light);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-red);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo span {
            color: var(--text-light);
        }
        .nav-desktop {
            display: flex;
            gap: var(--spacing-md);
        }
        .nav-desktop a {
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .nav-desktop a:hover {
            background-color: var(--primary-red);
            color: white;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-black);
            flex-direction: column;
            padding: var(--spacing-sm);
            gap: var(--spacing-sm);
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            background-color: white;
            border-bottom: 1px solid #ddd;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-red);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: #999;
        }
        .search-section {
            background: linear-gradient(to right, var(--primary-black), #2a2a3a);
            padding: var(--spacing-md) 0;
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: var(--spacing-xs);
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--primary-red);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #c10500;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
        }
        .article-area {
            background-color: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .article-header {
            margin-bottom: var(--spacing-lg);
            border-bottom: 3px solid var(--primary-red);
            padding-bottom: var(--spacing-md);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-black);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            color: #666;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #ffeaa7;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-black);
            margin: var(--spacing-lg) 0 var(--spacing-md);
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ddd;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: var(--spacing-sm) 0;
        }
        p {
            margin-bottom: var(--spacing-md);
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-black);
            background-color: #f8f9fa;
            padding: var(--spacing-md);
            border-left: 4px solid var(--primary-red);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: var(--spacing-lg);
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .keyword-link {
            color: var(--primary-red);
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-red);
        }
        .keyword-link:hover {
            border-bottom-style: solid;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.3rem;
            color: var(--primary-black);
            margin-top: 0;
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--primary-red);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #eee;
        }
        .link-list a {
            display: block;
            padding: 0.5rem;
            border-radius: var(--border-radius);
        }
        .link-list a:hover {
            background-color: #f8f9fa;
            color: var(--primary-red);
            padding-left: 1rem;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ddd;
            margin: var(--spacing-sm) 0;
            cursor: pointer;
        }
        .stars .active {
            color: var(--accent-gold);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .rating-form input, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-black);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--primary-red);
        }
        .site-footer {
            background-color: var(--primary-black);
            color: var(--text-light);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary-red);
            margin-bottom: var(--spacing-sm);
        }
        .footer-links h4 {
            color: var(--text-light);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
        }
        .footer-links a {
            display: block;
            margin-bottom: 0.5rem;
            color: #bbb;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: var(--spacing-sm);
            background-color: #2a2a3a;
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-sm);
            text-align: center;
            font-weight: 600;
        }
        friend-link a {
            color: #4fc3f7;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-md);
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                border-radius: var(--border-radius);
                width: 100%;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .article-area {
                padding: var(--spacing-md);
            }
        }