:root {
            --primary: #0056A3; 
            --secondary: #FF2A2A; 
            --accent: #00B050; 
            --dark: #0A1428;
            --light: #F5F7FA;
            --gray: #6C757D;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo:hover {
            opacity: 0.9;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            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: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover {
            background: rgba(255,255,255,0.05);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .hero {
            background: linear-gradient(rgba(10,20,40,0.9), rgba(10,20,40,0.7)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-bottom: 5px solid var(--secondary);
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        h1, h2, h3 {
            color: var(--dark);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            padding-left: 1rem;
            border-left: 4px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--dark);
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(0,176,80,0.15) 0%, rgba(0,176,80,0) 100%);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border: 1px solid rgba(0,176,80,0.3);
        }
        .keyword {
            font-weight: 700;
            color: var(--primary);
        }
        .note {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background: var(--primary);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255,42,42,0.3);
        }
        .search-box {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
        }
        .rating-widget, .comments-widget {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star.active {
            color: #FFD700;
        }
        .star:hover {
            color: #FFD700;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 2px solid #eee;
            border-radius: var(--radius);
            font-family: inherit;
            transition: var(--transition);
        }
        textarea:focus, input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .related-links {
            background: var(--dark);
            color: white;
            padding: 2rem;
            border-radius: var(--radius);
        }
        .related-links h3 {
            color: white;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .related-links a {
            color: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .related-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            text-align: center;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            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: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #ccc;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 3rem 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }