:root {
            --primary-blue: #0033a0;
            --secondary-gold: #f0b323;
            --light-gray: #f5f7fa;
            --dark-gray: #2d3748;
            --text-color: #333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-gold);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #00206e 100%);
            color: white;
            padding: 1.2rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: var(--secondary-gold);
        }
        .logo i {
            color: var(--secondary-gold);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary-gold);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--primary-blue);
            flex-direction: column;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: var(--light-gray);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #666;
        }
        .main-content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-header {
            padding: 2.5rem 2.5rem 1.5rem;
            border-bottom: 3px solid var(--light-gray);
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark-gray);
            margin-bottom: 1rem;
        }
        .meta-info {
            display: flex;
            gap: 1.5rem;
            color: #666;
            font-size: 0.95rem;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-body {
            padding: 2.5rem;
        }
        .article-body p {
            margin-bottom: 1.8rem;
            font-size: 1.125rem;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-gold);
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--dark-gray);
            margin: 2.5rem 0 1.2rem;
        }
        .article-body ul, .article-body ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        .article-body li {
            margin-bottom: 0.8rem;
        }
        .highlight-box {
            background: linear-gradient(to right, var(--light-gray), #e8efff);
            border-left: 5px solid var(--secondary-gold);
            padding: 1.8rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: var(--light-gray);
            font-size: 0.95rem;
        }
        .cta-link {
            display: inline-block;
            background: var(--primary-blue);
            color: white;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            font-weight: 700;
            margin: 1rem 0;
            box-shadow: 0 4px 10px rgba(0, 51, 160, 0.3);
        }
        .cta-link:hover {
            background: var(--secondary-gold);
            color: var(--dark-gray);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(240, 179, 35, 0.4);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--light-gray);
            font-size: 1.4rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary-blue);
        }
        .search-form button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-form button:hover {
            background: var(--secondary-gold);
        }
        .user-interaction {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .rating-widget input[type="radio"] {
            display: none;
        }
        .rating-widget label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget input:checked ~ label,
        .rating-widget label:hover,
        .rating-widget label:hover ~ label {
            color: var(--secondary-gold);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
        }
        .submit-btn:hover {
            background: var(--secondary-gold);
        }
        .longtail-links {
            background: var(--light-gray);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .web-link a {
            font-weight: 600;
            color: var(--dark-gray);
            display: block;
        }
        .web-link a:hover {
            color: var(--primary-blue);
        }
        .site-footer {
            background: var(--dark-gray);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-body {
                padding: 1.5rem;
            }
            .main-content-area {
                gap: 2rem;
                padding: 1.5rem 0;
            }
            .widget {
                padding: 1.5rem;
            }
        }