* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #f0f0f0;
            background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: rgba(10, 10, 26, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #00a8e8;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .my-logo {
            font-family: 'Tahoma', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: #00a8e8;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 0 10px rgba(0, 168, 232, 0.5);
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .my-logo:hover {
            color: #ffd700;
            text-shadow: 0 0 15px rgba(255, 215, 0, 0.7);
        }
        .my-logo span { color: #ffd700; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #b0b0d0;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.3s ease;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: #00a8e8;
            background: rgba(0, 168, 232, 0.1);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #00a8e8;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 80%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00a8e8;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: rgba(26, 26, 46, 0.8);
            border-bottom: 1px solid #2a2a4a;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #00a8e8;
        }
        .breadcrumb a {
            color: #b0b0d0;
            text-decoration: none;
        }
        .breadcrumb a:hover { color: #00a8e8; }
        .breadcrumb li:last-child a { color: #ffd700; font-weight: bold; }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: rgba(22, 33, 62, 0.8);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2a2a4a;
        }
        .content-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid #00a8e8;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffd700;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }
        .lead {
            font-size: 1.4rem;
            color: #b0b0d0;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #888;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .meta-info i { color: #00a8e8; margin-right: 0.5rem; }
        h2 {
            color: #00a8e8;
            font-size: 2.4rem;
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #2a2a4a;
        }
        h3 {
            color: #ffd700;
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            color: #a0a0e0;
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.15rem;
            color: #d0d0e0;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0,168,232,0.15) 0%, rgba(255,215,0,0.05) 100%);
            border-left: 4px solid #00a8e8;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
            font-style: italic;
        }
        .highlight strong { color: #ffd700; }
        .tip-box {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid #ffd700;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .tip-box i { color: #ffd700; font-size: 1.5rem; flex-shrink: 0; margin-top: 0.2rem; }
        em { color: #ffd700; font-style: italic; }
        strong { color: #ffd700; font-weight: 700; }
        a.content-link {
            color: #00a8e8;
            text-decoration: none;
            border-bottom: 1px dotted #00a8e8;
            transition: all 0.2s ease;
        }
        a.content-link:hover {
            color: #ffd700;
            border-bottom: 1px solid #ffd700;
        }
        .featured-img {
            width: 100%;
            max-width: 900px;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            border: 3px solid #2a2a4a;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .featured-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 168, 232, 0.3);
        }
        .img-caption {
            text-align: center;
            font-size: 0.95rem;
            color: #888;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .interactive-module {
            background: rgba(26, 26, 46, 0.9);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #2a2a4a;
        }
        .module-title {
            color: #00a8e8;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .module-title i { font-size: 1.5rem; }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b0b0d0;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem 1.2rem;
            background: rgba(10, 10, 26, 0.8);
            border: 1px solid #3a3a5a;
            border-radius: 8px;
            color: #f0f0f0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #00a8e8;
            box-shadow: 0 0 0 2px rgba(0, 168, 232, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #00a8e8, #0077b6);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #0077b6, #005885);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 168, 232, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            justify-content: center;
        }
        .rating-stars input { display: none; }
        .rating-stars label {
            font-size: 2.2rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
            margin: 0;
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label { color: #ffd700; }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: rgba(22, 33, 62, 0.9);
            border-radius: 12px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            border: 1px solid #2a2a4a;
        }
        .widget-title {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a2a4a;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #2a2a4a;
        }
        .related-links a {
            color: #b0b0d0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: color 0.3s;
        }
        .related-links a:hover {
            color: #00a8e8;
        }
        .related-links i { color: #00a8e8; font-size: 0.9rem; }
        footer {
            background: #0a0a1a;
            border-top: 3px solid #00a8e8;
            margin-top: 4rem;
            padding: 3rem 2rem 2rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a {
            color: #b0b0d0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: #00a8e8; }
        friend-link {
            display: block;
            background: rgba(0, 168, 232, 0.1);
            border: 1px solid #00a8e8;
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
            text-align: center;
        }
        friend-link a {
            color: #ffd700;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2a2a4a;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 1100px) {
            .main-container { grid-template-columns: 1fr; }
            aside { position: static; }
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .main-container, .site-header, .breadcrumb { padding: 1rem; }
            article { padding: 1.5rem; }
        }