:root {
            --neon-blue: #00f3ff;
            --neon-pink: #ff00ff;
            --dark-bg: #0a0a0f;
            --darker-bg: #050509;
            --card-bg: #12121a;
            --text-primary: #e0e0f0;
            --text-secondary: #a0a0c0;
            --accent-gold: #ffb600;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            background-image:
                radial-gradient(circle at 10% 20%, rgba(0, 243, 255, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 20%);
        }
        a {
            color: var(--neon-blue);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: var(--neon-pink);
            text-shadow: 0 0 8px var(--neon-pink);
        }
        .site-header {
            background-color: var(--darker-bg);
            border-bottom: 1px solid rgba(0, 243, 255, 0.2);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 15px rgba(0, 243, 255, 0.5);
        }
        .my-logo:hover {
            text-shadow: 0 0 20px rgba(255, 0, 255, 0.7);
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--neon-blue);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--neon-blue);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: rgba(10, 10, 15, 0.8);
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--neon-blue);
        }
        .main-content {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(0, 243, 255, 0.1);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, var(--neon-blue), var(--accent-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--neon-blue);
            border-left: 4px solid var(--neon-pink);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
            color: var(--text-primary);
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--accent-gold);
            font-weight: 600;
            text-align: center;
            margin-bottom: 2.5rem;
            padding: 1rem;
            border: 1px dashed var(--neon-pink);
            border-radius: 8px;
        }
        .highlight {
            background-color: rgba(0, 243, 255, 0.1);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid var(--neon-pink);
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--neon-blue);
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            border: 2px solid var(--neon-blue);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
            box-shadow: 0 0 30px rgba(255, 0, 255, 0.6);
        }
        .interactive-section {
            background: linear-gradient(135deg, var(--darker-bg), var(--card-bg));
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 1px solid rgba(255, 0, 255, 0.3);
        }
        .interactive-section h3 {
            color: var(--neon-pink);
            text-align: center;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            max-width: 600px;
            margin: 1.5rem auto;
        }
        input, textarea, select {
            padding: 1rem;
            border-radius: 6px;
            border: 1px solid rgba(0, 243, 255, 0.5);
            background-color: rgba(10, 10, 15, 0.8);
            color: var(--text-primary);
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--neon-pink);
            box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
        }
        button {
            padding: 1rem 2rem;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 0, 255, 0.4);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: var(--accent-gold);
            margin: 1rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .stars i:hover {
            color: var(--neon-pink);
            transform: scale(1.2);
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .sidebar {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 2rem;
            height: fit-content;
            border: 1px solid rgba(0, 243, 255, 0.1);
        }
        .sidebar h3 {
            color: var(--neon-blue);
            text-align: center;
            margin-bottom: 1.5rem;
        }
        .related-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .related-links li a {
            display: block;
            padding: 0.8rem 1rem;
            background-color: rgba(18, 18, 26, 0.8);
            border-radius: 6px;
            border-left: 4px solid var(--neon-pink);
            transition: background-color 0.3s ease, transform 0.3s ease;
        }
        .related-links li a:hover {
            background-color: rgba(0, 243, 255, 0.1);
            transform: translateX(5px);
        }
        footer {
            background-color: var(--darker-bg);
            padding: 3rem 2rem;
            margin-top: 4rem;
            border-top: 1px solid rgba(0, 243, 255, 0.2);
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            text-align: center;
            font-weight: bold;
            border: 1px solid transparent;
            transition: border-color 0.3s ease;
        }
        friend-link:hover {
            border-color: var(--neon-blue);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content, .breadcrumb {
                padding: 0 1rem;
            }
            article {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }