:root {
            --primary-blue: #0033a0;
            --secondary-red: #c60c30;
            --accent-green: #00a95c;
            --neutral-dark: #222222;
            --neutral-light: #f5f5f5;
            --neutral-mid: #777777;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--neutral-dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .site-header {
            background-color: #fff;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-sm) 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .logo span {
            color: var(--secondary-red);
        }
        .nav-desktop {
            display: flex;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: var(--spacing-xs) 0;
            position: relative;
        }
        .nav-desktop a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary-red);
            transition: var(--transition);
        }
        .nav-desktop a:hover:after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-blue);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: #fff;
            box-shadow: var(--shadow);
            padding: var(--spacing-md);
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-mobile a {
            display: block;
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .breadcrumb {
            background-color: var(--neutral-light);
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
            color: var(--neutral-mid);
        }
        .breadcrumb a {
            color: var(--neutral-mid);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .main-content {
            padding: var(--spacing-lg) 0;
        }
        .article-header {
            margin-bottom: var(--spacing-lg);
            text-align: center;
        }
        .article-header h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            color: var(--primary-blue);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .article-meta {
            color: var(--neutral-mid);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-md);
        }
        .article-meta i {
            margin-right: 5px;
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body p {
            margin-bottom: var(--spacing-md);
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: var(--spacing-xl) 0 var(--spacing-md);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--accent-green);
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: var(--neutral-dark);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary-red);
            padding-left: var(--spacing-md);
            font-style: italic;
            color: var(--neutral-mid);
            margin: var(--spacing-md) 0 var(--spacing-md) var(--spacing-md);
        }
        .article-body em {
            color: var(--secondary-red);
        }
        .article-body strong {
            color: var(--primary-blue);
            font-weight: 700;
        }
        .img-featured {
            margin: var(--spacing-lg) auto;
            max-width: 900px;
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--neutral-mid);
            margin-top: var(--spacing-xs);
            font-size: 0.95rem;
        }
        .link-list {
            background-color: var(--neutral-light);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--spacing-sm);
            list-style: none;
        }
        .link-list li a {
            display: block;
            padding: var(--spacing-xs);
            border-radius: 4px;
            background-color: #fff;
            transition: var(--transition);
        }
        .link-list li a:hover {
            background-color: #e3eefe;
            transform: translateX(5px);
        }
        .interactive-modules {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-xl) 0;
        }
        .module {
            background-color: var(--neutral-light);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow);
        }
        .module h3 {
            color: var(--primary-blue);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module h3 i {
            color: var(--secondary-red);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary-red);
        }
        .rating-form .stars {
            display: flex;
            gap: 5px;
            margin-bottom: var(--spacing-sm);
            direction: rtl;
        }
        .rating-form .stars input {
            display: none;
        }
        .rating-form .stars label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form .stars label:hover,
        .rating-form .stars label:hover ~ label,
        .rating-form .stars input:checked ~ label {
            color: #ffc107;
        }
        .rating-form textarea,
        .comment-form textarea,
        .rating-form input[type="text"],
        .comment-form input[type="text"] {
            width: 100%;
            padding: 12px;
            margin-bottom: var(--spacing-sm);
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-form button,
        .comment-form button {
            background-color: var(--accent-green);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background-color: var(--primary-blue);
        }
        .comment-list {
            margin-top: var(--spacing-md);
        }
        .comment {
            background-color: #fff;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-sm);
            border-left: 3px solid var(--primary-blue);
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary-blue);
            margin-bottom: 5px;
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--neutral-mid);
        }
        .comment-text {
            margin-top: var(--spacing-xs);
        }
        .site-footer {
            background-color: var(--neutral-dark);
            color: #ccc;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-logo span {
            color: var(--secondary-red);
        }
        .footer-about p {
            margin-bottom: var(--spacing-sm);
        }
        .friend-links h3,
        .footer-contact h3 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-xs);
            border-bottom: 1px solid #444;
        }
        friend-link {
            display: block;
        }
        .friend-links ul {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 10px;
        }
        .friend-links a {
            color: #aaa;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .friend-links a:hover {
            color: #fff;
            transform: translateX(5px);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: #aaa;
        }
        .footer-contact i {
            color: var(--accent-green);
            width: 20px;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        .emoji {
            font-style: normal;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-blue);
            color: white;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            font-weight: 600;
            text-align: center;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn:hover {
            background-color: var(--secondary-red);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .main-content {
                padding: var(--spacing-md) 0;
            }
            .interactive-modules {
                grid-template-columns: 1fr;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
        }