:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #ffffff;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(135deg, var(--primary), #1e40af);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            width: 300px;
        }
        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 0.95rem;
        }
        .search-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #b91c1c;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav {
            background: rgba(255, 255, 255, 0.08);
            padding: 10px 0;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-link {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f1f5f9;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .article {
            background: white;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-header {
            padding: 30px;
            border-bottom: 2px solid #e2e8f0;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .article-body {
            padding: 30px;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 30px;
            padding: 20px;
            background: #eff6ff;
            border-left: 5px solid var(--secondary);
            border-radius: 0 8px 8px 0;
        }
        .section {
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--primary);
            padding-bottom: 10px;
            margin-bottom: 20px;
            border-bottom: 2px dashed #cbd5e1;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fef3c7 100%);
            padding: 25px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 5px solid var(--accent);
        }
        .highlight p {
            margin-bottom: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        .stat-card {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
        }
        .stat-label {
            color: var(--gray);
            margin-top: 10px;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 25px 0;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -15px;
            margin-bottom: 25px;
        }
        .link-inline {
            color: var(--secondary);
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary);
        }
        .link-inline:hover {
            color: var(--primary);
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent);
        }
        .rating-input {
            display: none;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-input, .form-textarea {
            padding: 12px;
            border: 1px solid #cbd5e1;
            border-radius: 4px;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-submit {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-submit:hover {
            background: #1e40af;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #e2e8f0;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: var(--secondary);
        }
        .related-links a:hover {
            color: var(--secondary);
        }
        .footer-links {
            background: #f8fafc;
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-link {
            display: inline-block;
            margin: 0 15px 15px 0;
            padding: 10px 20px;
            background: white;
            border-radius: 30px;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(30, 58, 138, 0.2);
        }
        .footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
        }
        .footer-title {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
        }
        .footer-links-list {
            list-style: none;
        }
        .footer-links-list li {
            margin-bottom: 12px;
        }
        .footer-links-list a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .search-form {
                width: 250px;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 15px;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin-top: 15px;
            }
            .hamburger {
                display: block;
            }
            .nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary);
                padding: 0;
            }
            .nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
            }
            .nav-link {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .article-title {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }