:root {
            --primary-color: #e63946;
            --secondary-color: #1d3557;
            --accent-color: #ffb703;
            --light-color: #f1faee;
            --dark-color: #0d1b2a;
            --gray-color: #8d99ae;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, var(--secondary-color), #14213d);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-color);
            padding: 1rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            color: white;
            transform: translateY(-2px);
        }
        .my-logo i {
            font-size: 2rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            background-color: rgba(255, 183, 3, 0.2);
            color: var(--accent-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            width: 100%;
            background-color: var(--secondary-color);
            padding: 1rem;
            flex-direction: column;
            gap: 0.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 1.5rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--secondary-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--gray-color);
            margin: 0 0.3rem;
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid var(--light-color);
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .last-updated {
            background-color: #fff3cd;
            color: #856404;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
        }
        .key-insights {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary-color);
            margin: 2rem 0;
        }
        .key-insights h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .key-insights ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .key-insights li {
            padding: 0.5rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }
        .key-insights i {
            color: var(--primary-color);
            margin-top: 0.3rem;
        }
        h1, h2, h3, h4 {
            color: var(--secondary-color);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-color);
            position: relative;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100px;
            height: 2px;
            background-color: var(--accent-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        h4 {
            font-size: 1.4rem;
            color: #495057;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--secondary-color);
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent-color);
            margin: 1.5rem 0;
            font-weight: 500;
        }
        .note {
            background-color: #e7f5ff;
            padding: 1rem;
            border-radius: var(--border-radius);
            border-left: 4px solid #339af0;
            margin: 1.5rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
        }
        .note i {
            color: #339af0;
            margin-top: 0.2rem;
        }
        .content-link {
            color: var(--primary-color);
            font-weight: 600;
            border-bottom: 1px dashed var(--primary-color);
        }
        .content-link:hover {
            color: #c1121f;
            border-bottom-style: solid;
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            padding: 1rem;
            background-color: var(--secondary-color);
            color: white;
            font-style: italic;
            text-align: center;
            font-size: 0.9rem;
        }
        .interaction-section {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .section-title i {
            color: var(--primary-color);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--secondary-color);
        }
        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(255, 183, 3, 0.25);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-container {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-star {
            font-size: 2rem;
            color: #e0e0e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-star:hover, .rating-star.active {
            color: var(--accent-color);
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background-color: #c1121f;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(225, 29, 72, 0.3);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #0d1b2a;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (max-width: 1024px) {
            .sidebar {
                order: -1;
            }
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--light-color);
            position: relative;
        }
        .widget-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        .related-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .related-link {
            padding: 0.8rem;
            border-radius: var(--border-radius);
            background-color: #f8f9fa;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
        }
        .related-link:hover {
            background-color: #e9ecef;
            transform: translateX(5px);
        }
        .related-link i {
            color: var(--primary-color);
        }
        .quick-facts ul {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .quick-facts li {
            padding: 0.8rem;
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .quick-facts i {
            color: var(--accent-color);
            font-size: 1.2rem;
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-widget h3 {
            color: var(--accent-color);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            margin: 0.3rem;
            font-size: 0.9rem;
        }
        friend-link:hover {
            background-color: rgba(255,183,3,0.2);
            color: var(--accent-color);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .main-container, .article-content, .interaction-section {
                padding: 1.5rem;
            }
            .key-insights ul {
                grid-template-columns: 1fr;
            }
        }