:root {
            --primary-color: #0033a0; 
            --secondary-color: #db0a40; 
            --accent-color: #f2b900; 
            --text-dark: #222222;
            --text-light: #555555;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --border-color: #eaeaea;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            font-size: 1.05rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 5px 0;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-color);
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--bg-white);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            padding: 20px;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: var(--bg-white);
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--text-light);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--bg-white);
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
            font-size: 1.3rem;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--primary-color);
            margin-bottom: 25px;
            text-align: center;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 50px 0 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 35px 0 20px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 25px;
            color: var(--text-light);
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text-dark);
            line-height: 1.6;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: rgba(242, 185, 0, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        strong {
            color: var(--text-dark);
            font-weight: 700;
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
            color: var(--text-light);
        }
        li {
            margin-bottom: 10px;
        }
        .article-image {
            margin: 40px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 15px;
            background-color: var(--bg-light);
            font-size: 0.95rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 30px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        .user-interaction {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 50px;
        }
        .interaction-title {
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
            font-size: 2rem;
        }
        .rating-section {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 2px solid var(--border-color);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .comment-form textarea {
            width: 100%;
            min-height: 150px;
            padding: 20px;
            border: 2px solid var(--border-color);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .form-row input {
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-row input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 18px 40px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            width: 100%;
            margin-top: 20px;
        }
        .submit-btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: var(--radius);
            margin: 15px 0;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #ccc;
            font-size: 0.95rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-4 {
            margin-bottom: 2rem !important;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .tag {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--text-dark);
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .table-container {
            overflow-x: auto;
            margin: 30px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: rgba(0, 51, 160, 0.05);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .article-content {
                padding: 25px 20px;
            }
            .sidebar-widget {
                padding: 20px;
            }
            .user-interaction {
                padding: 30px 20px;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }