:root {
            --primary-dark: #0c1b33;
            --primary-accent: #1a5fb4;
            --secondary-accent: #ff7b00;
            --neutral-light: #f5f7fa;
            --neutral-mid: #7a869a;
            --neutral-dark: #2c3e50;
            --text-primary: #2d3748;
            --text-secondary: #4a5568;
            --success: #2ecc71;
            --warning: #f39c12;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --max-width: 1280px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--neutral-light);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background-color: var(--primary-dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: var(--secondary-accent);
        }
        .my-logo:hover {
            color: var(--neutral-light);
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-accent);
            transition: var(--transition);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 0.8rem 1.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #cbd5e0;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .breadcrumb span {
            color: var(--neutral-mid);
            margin: 0 0.5rem;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #1a365d 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            color: #cbd5e0;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 0 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e06c00;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        .main-content {
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
            color: var(--neutral-mid);
            font-size: 0.95rem;
        }
        .last-updated {
            background-color: #e8f4fd;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            color: var(--primary-accent);
            font-weight: 600;
        }
        .article-content h1 {
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            font-size: 2.5rem;
        }
        .article-content h2 {
            color: var(--primary-dark);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
            font-size: 2rem;
        }
        .article-content h3 {
            color: var(--neutral-dark);
            margin: 2.5rem 0 1rem;
            font-size: 1.6rem;
        }
        .article-content h4 {
            color: var(--neutral-dark);
            margin: 2rem 0 0.8rem;
            font-size: 1.3rem;
        }
        .article-content p {
            margin-bottom: 1.8rem;
            color: var(--text-secondary);
            text-align: justify;
            hyphens: auto;
        }
        .article-content strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-content em {
            color: var(--neutral-dark);
            font-style: italic;
        }
        .highlight-box {
            background-color: #f8f9fa;
            border-left: 4px solid var(--secondary-accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dashed var(--primary-accent);
        }
        .inline-link:hover {
            border-bottom-style: solid;
        }
        .featured-image {
            margin: 3rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: var(--radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .featured-image img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }
        .image-caption {
            font-style: italic;
            color: var(--neutral-mid);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #e2e8f0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--warning);
        }
        .rating-widget button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background-color: #1557a0;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #f1f1f1;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .related-links a:hover {
            color: var(--primary-accent);
        }
        .related-links i {
            color: var(--secondary-accent);
        }
        .comments-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-form {
            background-color: #f8fafc;
            padding: 2rem;
            border-radius: var(--radius);
            margin-bottom: 3rem;
        }
        .comment-form h3 {
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--neutral-dark);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--success);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #27ae60;
        }
        .comment-list .comment {
            background-color: white;
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            border-left: 3px solid var(--primary-accent);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--neutral-mid);
        }
        .comment-author {
            font-weight: 600;
            color: var(--primary-dark);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 3rem;
        }
        .footer-column h3 {
            color: white;
            margin-bottom: 1.8rem;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--secondary-accent);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1.2rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border-left: 3px solid var(--secondary-accent);
        }
        friend-link a {
            color: white;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 3rem;
            margin-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .copyright a {
            color: var(--secondary-accent);
        }
        @media (max-width: 1024px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                flex-direction: column;
                padding: 1.5rem;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 1rem;
            }
            .main-content {
                padding: 1.8rem;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 3rem 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
            .search-box {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-box input,
            .search-box button {
                width: 100%;
                border-radius: 0;
            }
            .search-box input {
                border-radius: var(--radius) var(--radius) 0 0;
            }
            .search-box button {
                border-radius: 0 0 var(--radius) var(--radius);
            }
        }
        @media print {
            .site-header,
            .sidebar,
            .comments-section,
            .site-footer,
            .search-box,
            .rating-widget,
            .comment-form {
                display: none !important;
            }
            .main-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                background-color: white;
                color: black;
                font-size: 12pt;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }