* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #0056a9;
            --secondary-color: #da291c;
            --accent-color: #ffcc00;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --border-color: #e0e0e0;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-color);
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-color) 0%, #2c3e50 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--accent-color), #fff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
            margin: 10px 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.95);
        }
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-color);
        }
        .main-nav {
            background-color: rgba(0, 0, 0, 0.9);
            margin-top: 1rem;
            border-radius: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            color: white;
            padding: 15px 20px;
            display: block;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.95rem;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            color: var(--accent-color);
        }
        .nav-link.active {
            background-color: var(--primary-color);
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px 10px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f1f5f9;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb-item a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .article-content {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            padding-bottom: 25px;
            border-bottom: 3px solid var(--accent-color);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-light);
            font-size: 0.9rem;
            flex-wrap: wrap;
            gap: 15px;
        }
        .last-updated {
            background: var(--light-color);
            padding: 5px 15px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--dark-color);
            background: #f0f7ff;
            padding: 20px;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight strong {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            margin: 30px auto;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .related-links {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid var(--border-color);
        }
        .related-links h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 10px;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 15px;
            background: white;
            border-radius: 6px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .related-links a:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .related-links i {
            color: var(--secondary-color);
        }
        .related-links a:hover i {
            color: white;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--primary-color);
        }
        .rating-container {
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ddd;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        .rating-value {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-top: 10px;
        }
        .rating-form {
            margin-top: 20px;
        }
        .rating-form input[type="submit"] {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-form input[type="submit"]:hover {
            background: var(--secondary-color);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 5px;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-control {
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 86, 169, 0.1);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(135deg, var(--primary-color), #0077cc);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: linear-gradient(135deg, var(--secondary-color), #e63946);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(218, 41, 28, 0.2);
        }
        .site-footer {
            background: var(--dark-color);
            color: #ccc;
            padding: 50px 0 30px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-color);
            margin-bottom: 20px;
            display: block;
        }
        .footer-about p {
            margin-bottom: 20px;
            color: #aaa;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        friend-link {
            display: block;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            border-left-color: var(--accent-color);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            .search-form {
                flex: 1;
                width: 100%;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 15px;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-item {
                width: 100%;
            }
            .nav-link {
                padding: 15px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 25px;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .last-updated {
                align-self: flex-start;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .article-content, .sidebar-widget {
            animation: fadeInUp 0.8s ease-out forwards;
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-form, .rating-form, .comment-form {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
        }