:root {
            --primary-color: #cc0000;
            --secondary-color: #ff9933;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --text-color: #333;
            --gray-color: #6c757d;
            --border-radius: 8px;
            --box-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;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background-color: var(--dark-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop ul {
            display: flex;
            gap: 1.5rem;
        }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
        }
        .nav-desktop a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--dark-color);
            padding: 1rem;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .nav-mobile a {
            display: block;
            padding: 0.8rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            border-left: 3px solid transparent;
        }
        .nav-mobile a:hover {
            background-color: rgba(255,255,255,0.1);
            border-left-color: var(--primary-color);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f1f1f1;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        @media (max-width: 992px) {
            .sidebar {
                order: -1;
            }
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
            color: var(--dark-color);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #b30000;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: #b30000;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            justify-content: space-between;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star {
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffcc00;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: var(--gray-color);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            flex-wrap: wrap;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .article-image {
            margin: 2rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image img:hover {
            transform: scale(1.02);
        }
        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--dark-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--dark-color);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .article-body em {
            color: var(--secondary-color);
            font-style: italic;
        }
        .highlight-box {
            background-color: #fff9e6;
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip {
            background-color: #e6f7ff;
            border-left: 4px solid #1890ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: var(--border-radius);
            border: 1px solid #dee2e6;
            transition: var(--transition);
        }
        .web-link:hover {
            background: #e9ecef;
            transform: translateY(-3px);
            border-color: var(--primary-color);
        }
        .web-link a {
            color: var(--dark-color);
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        .footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            color: white;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
            display: inline-block;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        .text-center {
            text-align: center;
        }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }