* {
            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: #121212;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #4da6ff;
            transition: color 0.3s;
        }
        a:hover {
            color: #80c1ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #1a1a1a;
            padding: 1rem 0;
            border-bottom: 2px solid #333;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #ff6b35;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ff8c5a;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 2rem;
        }
        nav ul li a {
            color: #ccc;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        nav ul li a:hover {
            color: #fff;
        }
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ff6b35;
            transition: width 0.3s;
        }
        nav ul li a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: #ccc;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #222;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            color: #777;
            margin: 0 0.5rem;
        }
        main {
            padding: 2rem 0;
            background: #151515;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 2rem;
            background: #1e1e1e;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        h1, h2, h3 {
            color: #ff6b35;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: 2rem;
            border-left: 4px solid #ff6b35;
            padding-left: 1rem;
            margin-top: 2rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #ff8c5a;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #2a2a2a;
            padding: 1.5rem;
            border-left: 5px solid #4da6ff;
            margin: 2rem 0;
            border-radius: 5px;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .bold {
            font-weight: bold;
            color: #fff;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }
        .article-image {
            margin: 2rem auto;
            text-align: center;
        }
        .article-image img {
            border-radius: 10px;
            border: 3px solid #333;
            transition: transform 0.3s;
        }
        .article-image img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
        }
        .function-section {
            margin: 3rem 0;
            padding: 2rem;
            background: #252525;
            border-radius: 10px;
        }
        .function-section h2 {
            border-left: none;
            text-align: center;
            color: #4da6ff;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #444;
            border-radius: 5px;
            background: #333;
            color: #fff;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4da6ff;
        }
        button {
            padding: 0.8rem 2rem;
            background: #ff6b35;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #ff8c5a;
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffd700;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            padding: 2rem 0;
            background: #1a1a1a;
        }
        .web-link {
            background: #222;
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
        }
        .web-link a {
            color: #ccc;
            font-weight: 500;
        }
        .web-link a:hover {
            color: #fff;
            text-decoration: underline;
        }
        footer {
            background: #111;
            padding: 2rem 0;
            text-align: center;
            color: #777;
            border-top: 1px solid #333;
        }
        footer p {
            margin-bottom: 0.5rem;
            text-align: center;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a1a;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
            }
            nav ul li {
                margin: 0;
                text-align: center;
                padding: 1rem 0;
                border-bottom: 1px solid #333;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked ~ nav ul {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            article {
                padding: 1.5rem;
            }
            .function-section {
                padding: 1.5rem;
            }
        }
        @media (min-width: 769px) {
            nav ul {
                display: flex !important;
            }
        }