:root {
            --ucl-blue: #004d98;
            --ucl-silver: #c0c0c0;
            --ucl-gold: #d4af37;
            --ucl-black: #0a0a0a;
            --ucl-white: #ffffff;
            --gradient-primary: linear-gradient(135deg, var(--ucl-blue) 0%, #001e4d 100%);
            --shadow-lg: 0 10px 30px rgba(0, 77, 152, 0.15);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--gradient-primary);
            color: var(--ucl-white);
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 0;
        }
        .logo a {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--ucl-white);
            text-decoration: none;
            letter-spacing: 1px;
            text-transform: uppercase;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }
        .logo a:hover {
            color: var(--ucl-gold);
            transform: scale(1.02);
        }
        .logo span {
            color: var(--ucl-gold);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb a {
            color: #c0c0c0;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--ucl-white);
            text-decoration: underline;
        }
        .breadcrumb li::after {
            content: '/';
            margin-left: 0.5rem;
            color: #666;
        }
        .breadcrumb li:last-child::after {
            content: '';
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--ucl-white);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--ucl-gold);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover {
            color: var(--ucl-gold);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            .mobile-menu-toggle {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--gradient-primary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1.5rem;
            box-shadow: var(--shadow-lg);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: var(--ucl-white);
            text-decoration: none;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            color: var(--ucl-gold);
            padding-left: 10px;
        }
        .search-container {
            background-color: var(--ucl-white);
            padding: 3rem 0;
            margin: 2rem 0;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }
        .search-box h2 {
            color: var(--ucl-blue);
            margin-bottom: 1.5rem;
            font-size: 2rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--ucl-blue);
            box-shadow: 0 0 0 3px rgba(0, 77, 152, 0.2);
        }
        .search-btn {
            background: var(--gradient-primary);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0 2.5rem;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(135deg, #003d7a 0%, #001e4d 100%);
            transform: translateY(-2px);
        }
        .article-hero {
            background: var(--gradient-primary);
            color: white;
            padding: 4rem 0;
            text-align: center;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            box-shadow: var(--shadow-lg);
        }
        .article-hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 2.5rem;
            }
        }
        .article-hero .meta {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: var(--ucl-blue);
            padding-bottom: 1rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--ucl-gold);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 1rem;
        }
        .sidebar a {
            color: #444;
            text-decoration: none;
            display: block;
            padding: 0.8rem;
            border-radius: 8px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar a:hover {
            background-color: rgba(0, 77, 152, 0.05);
            border-left-color: var(--ucl-blue);
            padding-left: 1.2rem;
        }
        .content-section {
            margin-bottom: 4rem;
        }
        h2 {
            color: var(--ucl-blue);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--ucl-silver);
        }
        h3 {
            color: #004d98;
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(0, 77, 152, 0.05) 0%, rgba(212, 175, 55, 0.05) 100%);
            border-left: 5px solid var(--ucl-gold);
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box p {
            margin-bottom: 0;
            font-style: italic;
            font-size: 1.2rem;
            color: #004d98;
        }
        .image-container {
            margin: 3rem 0;
            text-align: center;
        }
        .styled-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
        }
        .styled-image:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }
        .image-caption {
            margin-top: 1rem;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: var(--shadow-sm);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .data-table th {
            background: var(--ucl-blue);
            color: white;
            padding: 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #eee;
        }
        .data-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .data-table tr:hover {
            background-color: rgba(0, 77, 152, 0.05);
        }
        .interactive-ratings {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            margin: 3rem 0;
        }
        .rating-form h3, .comment-form h3 {
            color: var(--ucl-blue);
            margin-bottom: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0 2rem;
        }
        .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 {
            color: #ffc107;
        }
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-control {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--ucl-blue);
            box-shadow: 0 0 0 3px rgba(0, 77, 152, 0.1);
        }
        .submit-btn {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: linear-gradient(135deg, #003d7a 0%, #001e4d 100%);
            transform: translateY(-2px);
        }
        .longtail-links {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            margin: 3rem 0;
        }
        .longtail-links h2 {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #f8f9fa;
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
            border: 1px solid #eaeaea;
        }
        .web-link:hover {
            background: rgba(0, 77, 152, 0.05);
            transform: translateY(-5px);
            border-color: var(--ucl-blue);
        }
        .web-link a {
            color: var(--ucl-blue);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        .web-link .description {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
        }
        .site-footer {
            background: var(--ucl-black);
            color: #ccc;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-family: 'Impact', sans-serif;
            font-size: 2.2rem;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-logo span {
            color: var(--ucl-gold);
        }
        .footer-column h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--ucl-gold);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--ucl-gold);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        .text-bold {
            font-weight: 700;
            color: var(--ucl-blue);
        }
        .text-italic {
            font-style: italic;
        }
        .text-gold {
            color: var(--ucl-gold);
        }
        .text-center {
            text-align: center;
        }
        .mb-4 {
            margin-bottom: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .main-content, .sidebar {
                padding: 1.5rem;
            }
            .content-grid {
                gap: 2rem;
            }
            .article-hero {
                padding: 3rem 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 1rem;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }