:root {
            --primary-color: #d4af37;
            --secondary-color: #8b0000;
            --accent-color: #ff6b35;
            --dark-bg: #1a1a1a;
            --light-bg: #f5f5f5;
            --text-primary: #333;
            --text-secondary: #666;
            --border-color: #ddd;
            --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: 1.8;
            color: var(--text-primary);
            background-color: #fff;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #2a2a2a 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.5rem;
            color: var(--primary-color);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            position: relative;
            transition: var(--transition);
        }
        .logo:hover {
            color: #fff;
            text-shadow: 0 0 10px var(--primary-color);
        }
        .logo::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        .logo:hover::after {
            transform: scaleX(1);
        }
        .logo span {
            color: var(--accent-color);
            font-size: 3rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background-color: rgba(212, 175, 55, 0.2);
            color: var(--primary-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: var(--dark-bg);
            padding: 1rem;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-mobile .nav-link {
            display: block;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--text-secondary);
        }
        .breadcrumb-link {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-link:hover {
            color: var(--primary-color);
        }
        .breadcrumb-current {
            color: var(--primary-color);
            font-weight: 600;
        }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 2.5rem;
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 3px solid var(--primary-color);
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--dark-bg);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .article-section {
            margin: 3rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
            position: relative;
        }
        .section-title::before {
            content: '✦';
            color: var(--primary-color);
            margin-right: 0.8rem;
        }
        .article-text {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(212, 175, 55, 0.1);
            padding: 1.5rem;
            border-left: 4px solid var(--primary-color);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .tip-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-top: 4px solid var(--accent-color);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .tip-icon {
            font-size: 2rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .search-widget {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #2a2a2a 100%);
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .search-title {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-button:hover {
            background-color: #c19b2e;
        }
        .user-interaction {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 8px;
            margin-top: 3rem;
        }
        .interaction-title {
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .rating-section {
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--primary-color);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: #6a0000;
            transform: translateY(-2px);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark-bg);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .related-list {
            list-style: none;
        }
        .related-item {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .related-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .related-link {
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
        }
        .related-link:hover {
            color: var(--primary-color);
        }
        .related-link::before {
            content: '▸';
            color: var(--accent-color);
        }
        .footer-links {
            background-color: var(--dark-bg);
            padding: 3rem 0;
        }
        .footer-links-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #ddd;
            text-decoration: none;
            display: block;
            text-align: center;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        .site-footer {
            background-color: #111;
            color: #aaa;
            padding: 2rem 0;
            text-align: center;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .copyright {
            font-size: 0.9rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 1.5rem;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .main-container {
                padding: 0 15px;
                gap: 2rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .header-container {
                padding: 0 15px;
            }
            .logo {
                font-size: 1.8rem;
            }
            .logo span {
                font-size: 2.2rem;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .footer-links-container {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .site-header,
            .search-widget,
            .sidebar,
            .user-interaction,
            .footer-links,
            .site-footer {
                display: none;
            }
            .main-container {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background-color: #c19b2e;
            transform: translateY(-5px);
        }