:root {
            --primary: #0a3d62;
            --secondary: #1e5b8c;
            --accent: #f9ca24;
            --light: #f7f9fc;
            --dark: #222f3e;
            --text: #333;
            --text-light: #666;
            --border: #e1e8ed;
            --success: #2ecc71;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            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: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .search-box {
            display: flex;
            width: 300px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 0.95rem;
        }
        .search-box button {
            background: var(--accent);
            color: var(--dark);
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-box button:hover {
            background: #ffbe00;
        }
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f1f8ff;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 30px 0;
            background: white;
        }
        .article-header {
            text-align: center;
            padding: 40px 0;
            background: linear-gradient(to right, #f8f9fa, #e9f7fe);
            border-radius: 10px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-top: 20px;
        }
        .article-meta i {
            margin-right: 5px;
            color: var(--secondary);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            font-size: 1.1rem;
        }
        article > * {
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9db;
            padding: 25px;
            border-left: 5px solid var(--accent);
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 10px;
            font-style: italic;
        }
        ul, ol {
            padding-left: 30px;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 8px;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--secondary);
        }
        sidebar {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: var(--accent);
        }
        .user-rating {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 15px 0;
        }
        .rating-form input, .rating-form textarea, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-family: inherit;
            font-size: 0.95rem;
        }
        .rating-form button, .comment-form button {
            width: 100%;
            padding: 12px;
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background: var(--primary);
        }
        .tab-container {
            margin: 40px 0;
        }
        .tabs {
            display: flex;
            border-bottom: 2px solid var(--border);
            margin-bottom: 20px;
        }
        .tab {
            padding: 12px 25px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
            margin-bottom: -2px;
        }
        .tab.active {
            color: var(--primary);
            border-bottom: 3px solid var(--accent);
        }
        .tab-content {
            display: none;
            padding: 20px;
            background: #f9f9f9;
            border-radius: 0 0 10px 10px;
        }
        .tab-content.active {
            display: block;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            padding: 40px 0;
            background: #f1f8ff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .web-link {
            background: white;
            padding: 15px;
            border-radius: 6px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            display: block;
            text-align: center;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: #ccc;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 110px;
                left: -100%;
                flex-direction: column;
                background: var(--primary);
                width: 100%;
                text-align: center;
                padding: 20px 0;
                transition: 0.5s;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin: 15px 0;
            }
            .hamburger {
                display: block;
            }
            .header-top {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            .search-box {
                width: 100%;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 576px) {
            .web-links {
                grid-template-columns: 1fr;
            }
            .tabs {
                flex-direction: column;
            }
            .tab {
                width: 100%;
                text-align: left;
                border-bottom: 1px solid var(--border);
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }