* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        a { color: #00b4d8; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #90e0ef; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
        .site-header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #00b4d8;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00b4d8, #ff0055);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
        }
        .my-logo:hover { transform: scale(1.05); }
        .main-nav { display: flex; align-items: center; }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-list a {
            color: #caf0f8;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover, .nav-list a.active { border-color: #00b4d8; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #00b4d8;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(26, 26, 46, 0.8);
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; }
        .breadcrumb li { margin-right: 10px; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 10px; color: #00b4d8; }
        .search-container {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            border: 1px solid #333;
        }
        .search-form { display: flex; }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
        }
        .search-button {
            background: linear-gradient(90deg, #00b4d8, #0077b6);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover { background: linear-gradient(90deg, #0077b6, #00b4d8); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article { background: rgba(22, 33, 62, 0.7); padding: 30px; border-radius: 20px; border: 1px solid #2d4263; }
        h1 { color: #90e0ef; font-size: 2.8rem; margin-bottom: 25px; border-left: 6px solid #ff0055; padding-left: 20px; }
        h2 { color: #00b4d8; margin-top: 40px; margin-bottom: 20px; font-size: 2rem; }
        h3 { color: #caf0f8; margin-top: 30px; margin-bottom: 15px; font-size: 1.6rem; }
        h4 { color: #ade8f4; margin-top: 25px; margin-bottom: 10px; font-size: 1.3rem; }
        p, li { margin-bottom: 20px; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; color: #caf0f8; background: rgba(0, 180, 216, 0.1); padding: 20px; border-radius: 10px; border-left: 5px solid #00b4d8; }
        .highlight { background: rgba(255, 215, 0, 0.15); padding: 3px 6px; border-radius: 4px; font-weight: bold; color: #ffd700; }
        .info-box {
            background: rgba(0, 116, 217, 0.1);
            border-left: 5px solid #0074d9;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .warning-box {
            background: rgba(255, 65, 54, 0.1);
            border-left: 5px solid #ff4136;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        ul, ol { padding-left: 30px; margin-bottom: 25px; }
        blockquote {
            border-left: 5px solid #ff0055;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #b0b0b0;
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 15px;
            border: 3px solid #2d4263;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s;
        }
        .image-container img:hover { transform: scale(1.02); }
        .image-caption {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 10px;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #888;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #444;
        }
        .sidebar-widget {
            background: rgba(26, 26, 46, 0.8);
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
            border: 1px solid #333;
        }
        .widget-title {
            color: #00b4d8;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #00b4d8;
        }
        .related-links ul { list-style: none; padding-left: 0; }
        .related-links li { margin-bottom: 12px; padding-left: 20px; position: relative; }
        .related-links li::before { content: '🔗'; position: absolute; left: 0; }
        .user-interaction { margin-top: 50px; padding-top: 30px; border-top: 2px solid #2d4263; }
        .rating-widget, .comment-widget {
            background: rgba(30, 30, 46, 0.9);
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
        }
        .stars { display: flex; gap: 10px; margin: 15px 0; }
        .star { color: #555; font-size: 2rem; cursor: pointer; transition: color 0.2s; }
        .star:hover, .star.active { color: #ffd700; }
        .comment-form .form-group { margin-bottom: 20px; }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid #444;
            border-radius: 8px;
            color: white;
            font-size: 1rem;
        }
        .comment-form button {
            background: linear-gradient(90deg, #ff0055, #ff5400);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s;
        }
        .comment-form button:hover { transform: translateY(-3px); }
        .site-footer {
            background: #0a0a14;
            border-top: 2px solid #00b4d8;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h3 { color: #90e0ef; font-size: 1.5rem; margin-bottom: 25px; }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(0, 180, 216, 0.2); }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #2d4263;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav { width: 100%; order: 3; margin-top: 20px; display: none; }
            .main-nav.active { display: block; }
            .nav-list { flex-direction: column; gap: 10px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .my-logo { margin-bottom: 15px; }
        }