* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #e0e0e0;
            background-color: #0d1117;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #58a6ff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1f6feb;
        }
        ul {
            list-style-type: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #161b22;
            border-bottom: 1px solid #30363d;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #f0f6fc;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo a:hover {
            color: #58a6ff;
        }
        .search-box {
            display: flex;
            align-items: center;
            background-color: #0d1117;
            border: 1px solid #30363d;
            border-radius: 5px;
            overflow: hidden;
        }
        .search-box input {
            padding: 10px 15px;
            border: none;
            background: transparent;
            color: #c9d1d9;
            width: 250px;
            outline: none;
        }
        .search-box button {
            background-color: #238636;
            color: white;
            border: none;
            padding: 10px 15px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-box button:hover {
            background-color: #2ea043;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #c9d1d9;
        }
        nav {
            background-color: #161b22;
            border-top: 1px solid #30363d;
        }
        .nav-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            padding: 15px 0;
        }
        .nav-links a {
            color: #c9d1d9;
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 3px;
        }
        .nav-links a:hover {
            background-color: #30363d;
            color: #f0f6fc;
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: #0d1117;
            border-bottom: 1px solid #30363d;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #8b949e;
        }
        main {
            padding: 30px 0;
            min-height: 100vh;
        }
        article {
            background-color: #161b22;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.5rem;
            color: #f0f6fc;
            margin-bottom: 20px;
            border-bottom: 2px solid #30363d;
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: #58a6ff;
            margin: 30px 0 15px;
            padding-top: 10px;
            border-top: 1px solid #30363d;
        }
        h3 {
            font-size: 1.5rem;
            color: #c9d1d9;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #1f6feb20;
            border-left: 4px solid #1f6feb;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            border: 1px solid #30363d;
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #8b949e;
        }
        .form-section {
            background-color: #0d1117;
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
            border: 1px solid #30363d;
        }
        .form-section h3 {
            margin-top: 0;
        }
        form label {
            display: block;
            margin-bottom: 5px;
            color: #c9d1d9;
        }
        form input, form textarea, form select {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            background-color: #161b22;
            border: 1px solid #30363d;
            border-radius: 5px;
            color: #c9d1d9;
            outline: none;
        }
        form input:focus, form textarea:focus {
            border-color: #58a6ff;
        }
        form button {
            background-color: #238636;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            font-weight: bold;
        }
        form button:hover {
            background-color: #2ea043;
        }
        .rating {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.5rem;
            color: #8b949e;
            cursor: pointer;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffd700;
        }
        footer {
            background-color: #161b22;
            border-top: 1px solid #30363d;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #f0f6fc;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .friend-links a {
            color: #8b949e;
        }
        .friend-links a:hover {
            color: #58a6ff;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #30363d;
            color: #8b949e;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-box input {
                width: 200px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                gap: 10px;
                padding: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 15px;
            }
        }
        @media (max-width: 480px) {
            .search-box input {
                width: 150px;
            }
            .logo a {
                font-size: 1.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mt-30 {
            margin-top: 30px;
        }