* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: #0f131a;
            color: #e0e7ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #74c0fc;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2236 0%, #0f131a 100%);
            border-bottom: 2px solid #2d3748;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #cbd5e0;
            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: #4dabf7;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #cbd5e0;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #1a2236;
            padding: 1rem;
            border-top: 1px solid #2d3748;
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .nav-mobile a {
            color: #cbd5e0;
            font-weight: 600;
            display: block;
            padding: 0.75rem;
            border-radius: 6px;
        }
        .nav-mobile a:hover {
            background: #2d3748;
        }
        .breadcrumb {
            background: #141a26;
            padding: 0.75rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #718096;
        }
        main {
            padding: 2rem 0;
            min-height: 150vh;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            margin-bottom: 1rem;
            background: linear-gradient(90deg, #ffa94d, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .article-meta {
            color: #94a3b8;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: rgba(26, 34, 54, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #2d3748;
        }
        h2, h3, h4 {
            color: #e2e8f0;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            border-left: 4px solid #4dabf7;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #a5d8ff;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        strong {
            color: #ffd8a8;
            font-weight: 700;
        }
        blockquote {
            border-left: 4px solid #ffa94d;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #bac8e0;
            background: rgba(255, 169, 77, 0.05);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .feature-box {
            background: linear-gradient(145deg, #1e293b, #0f172a);
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid #334155;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .feature-title {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: #4dabf7;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .interaction-card {
            background: #1a2236;
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid #374151;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #cbd5e0;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            background: #0f131a;
            border: 1px solid #4b5563;
            border-radius: 6px;
            color: #e5e7eb;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
        }
        button {
            background: linear-gradient(90deg, #4dabf7, #339af0);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        button:hover {
            background: linear-gradient(90deg, #339af0, #228be6);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(51, 154, 240, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #4b5563;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd43b;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: rgba(26, 34, 54, 0.7);
            border-radius: 10px;
            padding: 1.5rem;
            border: 1px solid #2d3748;
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #a5d8ff;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #374151;
        }
        .related-links ul {
            list-style: none;
            margin: 0;
        }
        .related-links li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px dashed #374151;
        }
        .article-image {
            margin: 2.5rem 0;
            position: relative;
            overflow: hidden;
            border-radius: 12px;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.75rem;
            font-size: 0.95rem;
        }
        .footer-links {
            background: #141a26;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #1a2236;
            padding: 1.25rem;
            border-radius: 8px;
            border-left: 4px solid #4dabf7;
            transition: transform 0.3s ease;
        }
        .web-link:hover {
            transform: translateX(5px);
            background: #1e293b;
        }
        footer {
            background: #0a0e14;
            padding: 3rem 0 1.5rem;
            text-align: center;
            border-top: 2px solid #1a2236;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .copyright {
            color: #718096;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            .article-body {
                padding: 1.5rem;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
            .interaction-card {
                padding: 1.5rem;
            }
            .header-container, .breadcrumb ol {
                padding: 0 15px;
            }
        }