* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #e67e22;
            --primary-dark: #d35400;
            --secondary: #2c3e50;
            --light: #ecf0f1;
            --dark: #1a1a1a;
            --gray: #7f8c8d;
            --success: #27ae60;
            --warning: #f39c12;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            min-height: 100vh;
        }
        .site-header {
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary), #ff9f43);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 20px rgba(230, 126, 34, 0.3);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background: rgba(230, 126, 34, 0.1);
            color: var(--primary);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 70%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
        }
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            background: var(--secondary);
            padding: 20px;
            position: absolute;
            top: 80px;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
            animation: slideDown 0.3s ease;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: rgba(255,255,255,0.05);
            padding: 15px 0;
            margin-bottom: 30px;
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb-item {
            color: var(--gray);
        }
        .breadcrumb-item a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
        }
        .main-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(255,255,255,0.95);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid var(--primary);
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(44, 62, 80, 0.1);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--primary-dark);
            font-size: 1.2rem;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--secondary);
            font-weight: 500;
            padding: 20px;
            background: rgba(230, 126, 34, 0.1);
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(230, 126, 34, 0.2) 0%, rgba(230, 126, 34, 0) 100%);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
            border: 1px solid rgba(230, 126, 34, 0.3);
        }
        .price-tag {
            display: inline-block;
            background: var(--success);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            margin: 0 5px;
        }
        .sale-badge {
            background: var(--danger);
            color: white;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.9rem;
            margin-left: 10px;
            vertical-align: middle;
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        .search-widget, .comment-widget, .rating-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--secondary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--primary);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-btn:hover {
            background: var(--primary-dark);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning);
            transform: scale(1.1);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary);
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(45deg, var(--primary), var(--primary-dark));
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(230, 126, 34, 0.3);
        }
        aside {
            position: sticky;
            top: 100px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: var(--shadow);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid #eee;
        }
        .related-links a {
            color: var(--secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        .related-links i {
            color: var(--primary);
        }
        .update-time {
            color: var(--gray);
            font-size: 0.9rem;
            text-align: center;
            padding: 15px;
            background: rgba(127, 140, 141, 0.1);
            border-radius: var(--radius);
        }
        .site-footer {
            background: var(--dark);
            color: var(--light);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-section h3 {
            color: var(--light);
            font-size: 1.3rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: #ff9f43;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .emoji { font-size: 1.2em; }
        @media (max-width: 768px) {
            .header-container {
                height: 70px;
                padding: 0 15px;
            }
            article {
                padding: 25px;
            }
            .main-container {
                gap: 25px;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }