:root {
            --primary-blue: #1a365d;
            --accent-gold: #d4af37;
            --light-bg: #f8f9fa;
            --dark-text: #2d3748;
            --light-text: #718096;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--card-shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .logo span {
            color: var(--accent-gold);
        }
        .logo:hover {
            opacity: 0.9;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1rem;
        }
        .nav-desktop a i {
            margin-right: 8px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-blue);
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: white;
            padding: 20px;
            border-top: 1px solid #eee;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
            font-weight: 600;
        }
        .nav-mobile a i {
            margin-right: 10px;
            width: 20px;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        .breadcrumb a {
            color: var(--light-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--light-text);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--card-shadow);
        }
        .article-content h2 {
            color: var(--primary-blue);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-gold);
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: var(--dark-text);
            margin: 30px 0 15px;
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .article-content b, .article-content strong {
            color: var(--primary-blue);
        }
        .highlight-box {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            border-left: 4px solid var(--accent-gold);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .caption {
            font-style: italic;
            color: var(--light-text);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interaction-section {
            background: #f0f7ff;
            padding: 30px;
            border-radius: 10px;
            margin: 50px 0;
        }
        .interaction-section h3 {
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 8px;
        }
        input, textarea, select {
            padding: 14px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
        }
        button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button:hover {
            background: var(--accent-gold);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffc107;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-blue);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .popular-links {
            list-style: none;
        }
        .popular-links li {
            padding: 12px 0;
            border-bottom: 1px solid #f5f5f5;
        }
        .popular-links li:last-child {
            border-bottom: none;
        }
        .popular-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .popular-links i {
            color: var(--accent-gold);
        }
        .web-links-section {
            background: var(--primary-blue);
            color: white;
            padding: 50px 0;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .web-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background: rgba(255,255,255,0.08);
            padding: 18px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-3px);
        }
        .web-link a {
            color: white;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-gold);
        }
        footer {
            background: #0f1c32;
            color: #b0b7c3;
            padding: 40px 0;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .footer-links a {
            color: #b0b7c3;
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #2d3748;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .article-content h2 {
                font-size: 1.6rem;
            }
            .header-top, .breadcrumb, .container {
                padding-left: 15px;
                padding-right: 15px;
            }
        }