* { 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;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fff3cd; padding: 0.2rem 0.5rem; border-radius: 4px; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        :root {
            --primary: #dc3545; 
            --secondary: #212529; 
            --accent: #ffc107; 
            --light: #f8f9fa;
            --dark: #343a40;
            --success: #28a745;
            --info: #17a2b8;
        }
        .main-header {
            background: linear-gradient(135deg, var(--secondary) 0%, #000 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span { color: var(--primary); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--accent);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after, .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 1rem;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s;
        }
        .mobile-nav a:hover { background: rgba(255,255,255,0.1); }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary);
            padding-left: 1.5rem;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 2.5rem 0 1.2rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 2rem 0 1rem 0;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: var(--info);
            margin: 1.5rem 0 0.8rem 0;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        .article-content p.lead {
            font-size: 1.3rem;
            color: var(--dark);
            font-weight: 500;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .article-content img.featured-img {
            width: 100%;
            border-radius: 8px;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .related-links {
            background: #eef7ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links ul { padding-left: 1.5rem; }
        .related-links a {
            color: var(--info);
            text-decoration: none;
            font-weight: 500;
        }
        .related-links a:hover { text-decoration: underline; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
            font-size: 1.4rem;
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            margin-bottom: 1rem;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-form input:focus, .comment-form input:focus, .comment-form textarea:focus, .rating-form select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            text-align: center;
        }
        .btn:hover {
            background: #c82333;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
        }
        .btn-block { width: 100%; }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-stars i {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating-stars i.active { color: var(--accent); }
        .comment-list { margin-top: 2rem; }
        .comment-item {
            border-bottom: 1px solid #eee;
            padding: 1.2rem 0;
        }
        .comment-item:last-child { border-bottom: none; }
        .comment-author {
            font-weight: 700;
            color: var(--secondary);
        }
        .comment-date {
            color: #888;
            font-size: 0.9rem;
            margin-left: 1rem;
        }
        .main-footer {
            background: var(--secondary);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: var(--accent); }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1.5rem;
        }
        friend-link h4 {
            color: white;
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            padding: 0.4rem 0.8rem;
            background: rgba(255,255,255,0.08);
            border-radius: 4px;
            transition: all 0.3s;
        }
        friend-link a:hover {
            color: var(--accent);
            background: rgba(255,255,255,0.12);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
            .article-content h1 { font-size: 2.2rem; }
            .article-content h2 { font-size: 1.8rem; }
            .header-content, .footer-content { flex-direction: column; text-align: center; }
        }