* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, #ff8a00, #ff2070);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: bold;
        }
        header {
            background: linear-gradient(135deg, #1a2332 0%, #0a0f18 100%);
            border-bottom: 2px solid #2a3a52;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #00b3ff, #0088cc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: #b0b8c5;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        nav a:hover, nav a.active {
            background-color: #2a3a52;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #141b26;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin: 0 10px;
            color: #6c757d;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: #1a2332;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #fff;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #4da6ff;
            margin-top: 40px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #2a3a52;
        }
        h3 {
            font-size: 1.6rem;
            color: #80c1ff;
            margin-top: 30px;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 1.3rem;
            color: #a6d2ff;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-top: 1px dashed #2a3a52;
            border-bottom: 1px dashed #2a3a52;
            margin-bottom: 30px;
            font-size: 0.95rem;
            color: #8a9bb2;
        }
        .last-updated::before {
            content: "🕒 ";
        }
        .feature-box {
            background: linear-gradient(145deg, #222e42, #1a2332);
            border-left: 5px solid #ff8a00;
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .feature-box h3 {
            margin-top: 0;
        }
        .search-form, .comment-form, .rating-form {
            margin-top: 20px;
        }
        .search-form input, .comment-form textarea, .comment-form input, .rating-form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            background-color: #141b26;
            border: 1px solid #2a3a52;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        button, .btn {
            background: linear-gradient(to right, #00b3ff, #0088cc);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover, .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 179, 255, 0.3);
            text-decoration: none;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        .rating-stars i {
            color: #ffd700;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .code-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .code-card {
            background: #141b26;
            border: 2px solid #2a3a52;
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .code-card:hover {
            border-color: #00b3ff;
            transform: scale(1.03);
        }
        .code-card .code {
            font-family: monospace;
            font-size: 1.5rem;
            color: #00ff9d;
            margin: 10px 0;
            letter-spacing: 1px;
        }
        aside {
            background: #1a2332;
            border-radius: 12px;
            padding: 25px;
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #ff8a00;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #2a3a52;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .related-links li::before {
            content: "▶";
            position: absolute;
            left: 0;
            color: #4da6ff;
            font-size: 0.8rem;
        }
        footer {
            background: #0a0f18;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 2px solid #2a3a52;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #141b26;
            border-radius: 8px;
            margin-bottom: 10px;
            text-align: center;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a3a52;
            color: #8a9bb2;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 20px;
                gap: 10px;
            }
            nav ul.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .meta-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .code-grid {
                grid-template-columns: 1fr;
            }
        }