        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #93c5fd;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2.2rem;
            color: #3b82f6;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #3b82f6;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #cbd5e1;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1e293b;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
            background-color: #1e293b;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: linear-gradient(rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            border-radius: 15px;
        }
        h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: #f8fafc;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .article-meta {
            color: #94a3b8;
            font-style: italic;
            margin-top: 1rem;
        }
        .content-section {
            margin-bottom: 3rem;
            padding: 2rem;
            background-color: #1e293b;
            border-radius: 10px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        }
        h2 {
            font-size: 2.5rem;
            color: #60a5fa;
            margin-bottom: 1.5rem;
            border-left: 5px solid #3b82f6;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #93c5fd;
            margin: 1.5rem 0 1rem 0;
        }
        h4 {
            font-size: 1.4rem;
            color: #bfdbfe;
            margin: 1.2rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(59, 130, 246, 0.1);
            border-left: 4px solid #3b82f6;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            margin: 2rem auto;
            width: 80%;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
        }
        .interactive-box {
            background-color: #334155;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #475569;
        }
        .interactive-box h3 {
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #475569;
            background-color: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(90deg, #3b82f6, #6366f1);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(90deg, #2563eb, #4f46e5);
            transform: scale(1.05);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            margin: 1rem 0;
            color: #fbbf24;
            cursor: pointer;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background-color: #1e293b;
            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-section h4 {
            color: #60a5fa;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            background-color: #334155;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .header-container, .footer-content {
                flex-direction: column;
                text-align: center;
            }
            .feature-img {
                width: 100%;
            }
        }
        .text-bold {
            font-weight: 800;
            color: #f8fafc;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #94a3b8;
            text-align: right;
            margin-top: 2rem;
            font-style: italic;
        }
