* { 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: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style-position: inside; padding-left: 1.2em; }
        input, textarea, select, button { font-family: inherit; font-size: inherit; }
        h1, h2, h3, h4 { font-weight: 800; color: #1a365d; margin-bottom: 0.8em; line-height: 1.3; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); border-left: 6px solid #e53e3e; padding-left: 0.6em; margin-top: 1em; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: #2d3748; border-bottom: 2px solid #e2e8f0; padding-bottom: 0.3em; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); color: #4a5568; }
        h4 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); color: #718096; }
        p { margin-bottom: 1.5em; font-size: 1.05rem; }
        .highlight { background-color: #fffacd; padding: 0.2em 0.4em; border-radius: 3px; font-weight: 600; }
        .lead { font-size: 1.3rem; color: #4a5568; font-weight: 500; }
        .last-updated { font-style: italic; color: #718096; font-size: 0.95rem; margin-bottom: 2em; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo span:nth-child(1) { color: #e53e3e; }
        .my-logo span:nth-child(2) { color: #63b3ed; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover { color: white; }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #e53e3e;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2d3748;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #cbd5e0;
            padding: 0.8rem;
            border-bottom: 1px solid #4a5568;
        }
        .nav-mobile a:hover { background: #4a5568; color: white; }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #e53e3e; text-decoration: underline; }
        .breadcrumb i { margin: 0 0.5rem; color: #a0aec0; }
        .sidebar {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 110px;
        }
        .sidebar h3 { margin-top: 0; }
        .widget { margin-bottom: 2rem; }
        .search-form { display: flex; }
        .search-form input {
            flex-grow: 1;
            padding: 12px;
            border: 1px solid #cbd5e0;
            border-radius: 5px 0 0 5px;
        }
        .search-form button {
            background: #e53e3e;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
        }
        .search-form button:hover { background: #c53030; }
        .rating-widget, .comment-widget { background: #f7fafc; padding: 20px; border-radius: 8px; }
        .stars { color: #f6ad55; font-size: 1.5rem; margin: 10px 0; }
        .stars i { cursor: pointer; margin-right: 5px; }
        .rating-form input, .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: 1px solid #cbd5e0;
            border-radius: 5px;
        }
        .rating-form button, .comment-form button {
            background: #2d3748;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
        }
        .rating-form button:hover, .comment-form button:hover { background: #1a202c; }
        .article-content {
            background: white;
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2em 0;
            border: 1px solid #e2e8f0;
        }
        .featured-image img { width: 100%; transition: transform 0.5s ease; }
        .featured-image:hover img { transform: scale(1.02); }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #718096;
            padding: 0.5em;
            background: #f7fafc;
        }
        .internal-links {
            background: #ebf8ff;
            border-left: 4px solid #4299e1;
            padding: 1.5em;
            margin: 2em 0;
            border-radius: 0 8px 8px 0;
        }
        .internal-links ul { list-style-type: none; padding-left: 0; }
        .internal-links li { margin-bottom: 0.8em; }
        .internal-links a { color: #2b6cb0; font-weight: 600; }
        .internal-links a:hover { color: #e53e3e; text-decoration: underline; }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
        .footer-section { flex: 1 1 250px; }
        .footer-section h3 { color: white; border-bottom: none; padding-bottom: 0; }
        friend-link {
            display: block;
            margin-bottom: 0.8em;
        }
        friend-link a {
            color: #90cdf4;
            padding: 0.3em 0;
            display: inline-block;
        }
        friend-link a:hover { color: white; text-decoration: underline; }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .article-content { padding: 25px; }
            .sidebar { position: static; }
            .footer-container { flex-direction: column; }
        }
        .btn {
            display: inline-block;
            background: #e53e3e;
            color: white;
            padding: 12px 24px;
            border-radius: 5px;
            font-weight: bold;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #c53030;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .tag {
            display: inline-block;
            background: #edf2f7;
            color: #4a5568;
            padding: 0.3em 0.8em;
            border-radius: 15px;
            font-size: 0.85rem;
            margin-right: 0.5em;
            margin-bottom: 0.5em;
        }
        .tag:hover { background: #e2e8f0; }