* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B35;
            --secondary-color: #004E89;
            --accent-color: #00A5CF;
            --dark-color: #1A1A2E;
            --light-color: #F8F9FA;
            --text-color: #333333;
            --gray-color: #6C757D;
            --success-color: #28A745;
            --warning-color: #FFC107;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background-color: white;
            box-shadow: var(--box-shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .logo span {
            color: var(--dark-color);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            padding: 5px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark-color);
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: white;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            padding: 20px;
            transition: var(--transition);
            z-index: 1001;
            overflow-y: auto;
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .close-mobile-menu {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray-color);
            cursor: pointer;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav-link {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            padding: 10px 15px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .mobile-nav-link:hover {
            background-color: #f5f5f5;
            color: var(--primary-color);
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            display: none;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            background-color: #f8f9fa;
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #e9ecef;
        }
        .breadcrumb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb-links a {
            text-decoration: none;
            color: var(--gray-color);
            transition: var(--transition);
        }
        .breadcrumb-links a:hover {
            color: var(--primary-color);
        }
        .breadcrumb-links span {
            color: var(--primary-color);
        }
        .search-section {
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            color: white;
            padding: 40px 0;
            text-align: center;
            margin-bottom: 40px;
            border-radius: var(--border-radius);
        }
        .search-title {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #e55a2b;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 50px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--box-shadow);
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 20px;
        }
        .article-title {
            font-size: 2.2rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .article-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--box-shadow);
        }
        .section {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        .section-subtitle {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin: 25px 0 15px;
        }
        .article p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background-color: #FFF9E6;
            border-left: 4px solid var(--warning-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box {
            background-color: #E8F4FD;
            border-left: 4px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .warning-box {
            background-color: #FFE8E8;
            border-left: 4px solid #FF5252;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-list {
            list-style-type: none;
            margin: 20px 0;
        }
        .feature-list li {
            padding: 10px 0 10px 30px;
            position: relative;
        }
        .feature-list li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
        }
        .rating-section {
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            text-align: center;
        }
        .rating-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        .stars {
            margin-bottom: 20px;
        }
        .star {
            color: #ddd;
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
            margin: 0 3px;
        }
        .star:hover,
        .star.active {
            color: var(--warning-color);
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .rating-input {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-btn:hover {
            background-color: #e55a2b;
        }
        .comments-section {
            margin-top: 50px;
        }
        .comment-form {
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #e55a2b;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .sidebar {
                order: -1;
            }
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        .popular-links {
            list-style-type: none;
        }
        .popular-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid #f0f0f0;
        }
        .popular-links li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .popular-links a {
            text-decoration: none;
            color: var(--text-color);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .popular-links a:hover {
            color: var(--primary-color);
        }
        .popular-links i {
            color: var(--accent-color);
        }
        .web-links-section {
            background-color: white;
            padding: 40px 0;
            margin: 40px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent-color);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--box-shadow);
        }
        .web-link a {
            text-decoration: none;
            color: var(--secondary-color);
            font-weight: 600;
            display: block;
            margin-bottom: 10px;
        }
        .web-link p {
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: inline-block;
            text-decoration: none;
        }
        .footer-about {
            font-size: 0.95rem;
            line-height: 1.7;
            color: #bbb;
        }
        .footer-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links {
            list-style-type: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            text-decoration: none;
            color: #bbb;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #bbb;
            font-size: 0.9rem;
        }
        .text-bold {
            font-weight: 700;
        }
        .text-primary {
            color: var(--primary-color);
        }
        .text-secondary {
            color: var(--secondary-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-30 {
            margin-top: 30px;
        }