* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-red: #e10600;
            --primary-black: #15151e;
            --primary-white: #ffffff;
            --secondary-gray: #f0f0f0;
            --accent-yellow: #ffd700;
            --text-dark: #333;
            --text-light: #767676;
            --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;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--primary-white);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-red);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #b30500;
            text-decoration: underline;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: var(--spacing-sm);
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-red);
            color: var(--primary-white);
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            border: none;
            cursor: pointer;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: #b30500;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background-color: var(--primary-black);
            color: var(--primary-white);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-family: 'Arial Black', sans-serif;
            font-size: 2rem;
            color: var(--primary-red);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            font-size: 1.8rem;
        }
        .my-logo a:hover {
            color: var(--accent-yellow);
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--primary-white);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--accent-yellow);
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-yellow);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--primary-white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--secondary-gray);
            padding: 0.75rem 0;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            padding-left: 0;
            margin: 0;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--text-light);
        }
        main {
            padding: var(--spacing-md) 0;
        }
        .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;
            margin-bottom: var(--spacing-sm);
            color: var(--primary-black);
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-image {
            margin: var(--spacing-md) 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            padding: 0.75rem;
            background-color: var(--secondary-gray);
            font-style: italic;
            font-size: 0.9rem;
            text-align: center;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .content-body {
            font-size: 1.1rem;
        }
        .content-body h2 {
            font-size: 2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-gray);
            color: var(--primary-black);
        }
        .content-body h3 {
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-sm);
            color: var(--primary-black);
        }
        .content-body h4 {
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0;
            color: var(--text-dark);
        }
        .content-body p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
        }
        .content-body blockquote {
            border-left: 4px solid var(--primary-red);
            padding-left: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            font-style: italic;
            background-color: var(--secondary-gray);
            padding: var(--spacing-sm);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .content-body strong {
            color: var(--primary-black);
            font-weight: 700;
        }
        .content-body em {
            color: var(--primary-red);
        }
        .info-box {
            background-color: #e6f7ff;
            border-left: 5px solid #1890ff;
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            border-radius: var(--border-radius);
        }
        .tip-box {
            background-color: #fff7e6;
            border-left: 5px solid var(--accent-yellow);
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            border-radius: var(--border-radius);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .widget {
            background-color: var(--secondary-gray);
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            color: var(--primary-black);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-black);
            color: white;
            border: none;
            padding: 0 1.25rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
        }
        .link-list ul {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px dashed #ccc;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--text-dark);
        }
        .link-list a:hover {
            color: var(--primary-red);
        }
        .link-list i {
            color: var(--primary-red);
            width: 20px;
        }
        .rating-widget, .comment-widget {
            background-color: var(--primary-white);
            border: 1px solid #ddd;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            margin-top: var(--spacing-md);
        }
        .rating-widget h3, .comment-widget h3 {
            margin-bottom: var(--spacing-sm);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ccc;
        }
        .star-rating .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--accent-yellow);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form input, .comment-form input,
        .comment-form textarea {
            padding: 0.75rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--primary-black);
            color: var(--primary-white);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-widget h4 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-yellow);
        }
        friend-link {
            display: block;
            margin-bottom: 0.75rem;
        }
        friend-link a {
            color: #aaa;
        }
        friend-link a:hover {
            color: var(--primary-white);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-sm);
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--primary-black);
                flex-direction: column;
                padding: var(--spacing-md);
                transition: left 0.5s ease;
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid #333;
            }
            .main-nav a {
                display: block;
                padding: 1rem 0;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .content-body h2 {
                font-size: 1.8rem;
            }
            .content-body h3 {
                font-size: 1.5rem;
            }
        }