:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #fbbf24;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo a:hover { color: var(--secondary-color); }
        .logo i { color: var(--accent-color); }
        .main-nav ul {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a:hover { color: var(--secondary-color); }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--primary-color);
            cursor: pointer;
        }
        .breadcrumb {
            background: #e5e7eb;
            padding: 0.75rem 1.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .breadcrumb a:hover { text-decoration: underline; color: var(--primary-color); }
        .main-content {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-content {
            background: var(--bg-white);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e5e7eb;
        }
        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            font-size: 1.4rem;
            margin: 1.8rem 0 0.8rem;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #f0f9ff;
            padding: 1.2rem;
            border-left: 4px solid var(--primary-color);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0 0.1rem;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: var(--bg-white);
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 1px solid #d1d5db;
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover { background: var(--secondary-color); }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { font-weight: 600; margin-bottom: 0.3rem; }
        .form-group input, .form-group textarea, .form-group select {
            padding: 0.75rem;
            border: 1px solid #d1d5db;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover { background: #b91c1c; transform: translateY(-2px); }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active { color: var(--accent-color); }
        .footer-links-section {
            max-width: 1280px;
            margin: 3rem auto 1rem;
            padding: 0 1.5rem;
        }
        .footer-links-section h3 {
            text-align: center;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: var(--bg-white);
            padding: 0.9rem 1.2rem;
            border-radius: var(--radius);
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transform: translateY(-3px);
            background: #eff6ff;
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 500;
            display: block;
        }
        .web-link a:hover { color: var(--secondary-color); }
        .site-footer {
            background: var(--primary-color);
            color: white;
            padding: 2.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a { color: #dbeafe; }
        .footer-links a:hover { color: white; text-decoration: underline; }
        .copyright { color: #93c5fd; font-size: 0.9rem; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                display: none;
                width: 100%;
                order: 1;
            }
            .main-nav.active {
                display: block;
                padding-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li { border-top: 1px solid #e5e7eb; }
            .main-nav a {
                display: block;
                padding: 0.8rem 0;
            }
            h1 { font-size: 2rem; }
            .article-content { padding: 1.5rem; }
            .footer-links { flex-direction: column; gap: 1rem; }
            .web-links-container { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .web-links-container { grid-template-columns: 1fr; }
            .header-container { padding: 0 1rem; }
            .main-content, .breadcrumb, .footer-links-section { padding: 0 1rem; }
        }
        .emoji { font-size: 1.2em; }
        .text-bold { font-weight: 700; }
        .text-italic { font-style: italic; }
        .section-spacer { height: 1px; background: linear-gradient(to right, transparent, #d1d5db, transparent); margin: 2.5rem 0; }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
.data-table { width: 100%; border-collapse: collapse; }
                        .data-table th, .data-table td { padding: 1rem; border: 1px solid #d1d5db; text-align: left; }
                        .data-table th { background-color: var(--primary-color); color: white; }
                        .data-table tr:nth-child(even) { background-color: #f3f4f6; }