* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4a6fa5;
            --secondary-color: #ff9800;
            --accent-color: #e91e63;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        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: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--dark-color);
            color: white;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #e68900;
        }
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 30px;
            color: var(--dark-color);
            position: relative;
            padding-bottom: 15px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        .highlight {
            color: var(--accent-color);
            font-weight: 700;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .logo span {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.05rem;
            position: relative;
        }
        .nav-desktop a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark-color);
            border-radius: 2px;
            transition: var(--transition);
        }
        @media (max-width: 992px) {
            .hamburger {
                display: flex;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: var(--shadow);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .nav-mobile a {
            display: block;
            padding: 10px 15px;
            font-weight: 600;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            border-left-color: var(--secondary-color);
            background-color: rgba(74, 111, 165, 0.05);
            padding-left: 20px;
        }
        .breadcrumb {
            background-color: #f5f7fa;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child):after {
            content: '>';
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: var(--primary-color);
            font-weight: 600;
        }
        .search-box {
            background-color: var(--light-color);
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 25px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--dark-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--dark-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 25px;
            text-align: justify;
        }
        .article-content strong {
            color: var(--dark-color);
            font-weight: 700;
        }
        .article-content em {
            color: var(--text-light);
            font-style: italic;
        }
        .intro-box {
            background-color: rgba(74, 111, 165, 0.08);
            border-left: 5px solid var(--primary-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 10px;
            background-color: #f9f9f9;
            font-size: 0.95rem;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .stat-card {
            background-color: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 4px solid var(--secondary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-light);
        }
        .tip-box {
            background-color: #fff9e6;
            border-radius: var(--radius);
            padding: 25px;
            margin: 30px 0;
            border-left: 5px solid var(--secondary-color);
        }
        .tip-box h3 {
            color: var(--secondary-color);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--dark-color);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-control {
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.1);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
            font-family: inherit;
        }
        .web-links {
            background-color: #f5f7fa;
            padding: 40px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }
        .web-link {
            background-color: white;
            padding: 12px 15px;
            border-radius: var(--radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-color);
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo span {
            color: var(--secondary-color);
        }
        .footer-about p {
            margin-bottom: 20px;
            color: #bbb;
        }
        .footer-links h3, .footer-social h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: #bbb;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .social-icons {
            display: flex;
            gap: 15px;
        }
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
            .article-content h3 {
                font-size: 1.4rem;
            }
            .section {
                padding: 40px 0;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        @media print {
            header, .search-box, .sidebar, .web-links, footer, .comment-form, .rating-form {
                display: none;
            }
            .article-content {
                font-size: 12pt;
            }
        }