* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #ff6600;
            --primary-dark: #cc5200;
            --secondary: #1a1a2e;
            --accent: #00ccff;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --gray-light: #e9ecef;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f2f5;
            color: var(--dark);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--box-shadow);
        }
        .btn-secondary {
            background-color: var(--secondary);
        }
        .btn-secondary:hover {
            background-color: #0f0f1f;
        }
        header {
            background-color: var(--secondary);
            color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--primary);
            margin-right: 10px;
            font-size: 2rem;
        }
        .logo span {
            color: var(--accent);
        }
        .search-box {
            display: flex;
            flex: 0 1 400px;
            margin: 0 20px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--primary-dark);
        }
        .mobile-search-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
        }
        nav {
            background-color: rgba(26, 26, 46, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 18px 20px;
            color: white;
            font-weight: 500;
            border-bottom: 3px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            background-color: rgba(0, 204, 255, 0.05);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--gray-light);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: var(--gray);
            font-size: 0.8rem;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding: 20px;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--gray-light);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--box-shadow);
            overflow: hidden;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        h1, h2, h3, h4 {
            color: var(--secondary);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--primary);
            padding-left: 15px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-dark);
        }
        h4 {
            font-size: 1.3rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--secondary);
            background-color: rgba(255, 102, 0, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary);
            margin-bottom: 2.5rem;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .highlight {
            background-color: rgba(255, 102, 0, 0.1);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .note {
            background-color: rgba(0, 204, 255, 0.1);
            border-left: 4px solid var(--accent);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .note h4 {
            color: var(--accent);
            margin-top: 0;
        }
        .tip {
            background-color: rgba(40, 167, 69, 0.1);
            border-left: 4px solid #28a745;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .tip h4 {
            color: #28a745;
            margin-top: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
            color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 15px;
        }
        .stat-card h3 {
            color: white;
            font-size: 1.8rem;
            margin: 10px 0;
        }
        .stat-card p {
            color: var(--gray-light);
            font-size: 1rem;
            margin: 0;
            text-align: center;
        }
        .link-list {
            background-color: var(--gray-light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            columns: 2;
            column-gap: 30px;
        }
        .link-list li {
            break-inside: avoid;
            margin-bottom: 10px;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
        }
        .sidebar-widget h3 {
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .popular-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--gray-light);
        }
        .popular-links li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .popular-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }
        .popular-links i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .rating-section, .comments-section {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px;
            margin-top: 40px;
            box-shadow: var(--box-shadow);
        }
        .rating-section h2, .comments-section h2 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            margin: 20px 0;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            padding: 0 5px;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .rating-summary {
            display: flex;
            justify-content: space-around;
            text-align: center;
            margin-top: 30px;
        }
        .rating-item h3 {
            font-size: 2.5rem;
            color: var(--primary);
            margin: 0;
        }
        .rating-item p {
            margin: 0;
            color: var(--gray);
        }
        .comment-form, .rating-form {
            margin-top: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(255, 102, 0, 0.25);
            outline: none;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .comments-list {
            margin-top: 40px;
        }
        .comment {
            padding: 25px;
            border-radius: var(--border-radius);
            background-color: var(--gray-light);
            margin-bottom: 25px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        .comment-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }
        .comment-author h4 {
            margin: 0;
            font-size: 1.1rem;
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .comment-rating {
            color: #ffc107;
            font-size: 0.9rem;
        }
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #b0b7c3;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        .footer-links i {
            font-size: 0.8rem;
            color: var(--primary);
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link h3 {
            color: white;
            margin-bottom: 15px;
        }
        friend-link a {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 8px 15px;
            border-radius: 4px;
            margin-right: 10px;
            margin-bottom: 10px;
            color: #b0b7c3;
            transition: var(--transition);
        }
        friend-link a:hover {
            background-color: var(--primary);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #b0b7c3;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                display: none;
                order: 3;
                flex: 1 0 100%;
                margin: 15px 0 0;
            }
            .search-box.active {
                display: flex;
            }
            .mobile-search-btn {
                display: block;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 100px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 100px);
                background-color: var(--secondary);
                flex-direction: column;
                transition: var(--transition);
                padding: 20px;
                box-shadow: 5px 0 15px rgba(0, 0, 0, 0.2);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                padding: 15px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .link-list ul {
                columns: 1;
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            article {
                padding: 25px;
            }
            .rating-section, .comments-section {
                padding: 25px;
            }
            .comment-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            header, nav, aside, .rating-section, .comments-section, footer {
                display: none;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            .content-wrapper {
                display: block;
            }
        }