:root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #0fce7c;
            --text-color: #e6e6e6;
            --highlight-color: #ffd700;
            --link-color: #4dabf7;
            --padding: 20px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--primary-color);
            color: var(--text-color);
            line-height: 1.8;
            font-size: 18px;
            overflow-x: hidden;
        }
        a {
            color: var(--link-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--padding);
        }
        header {
            background-color: var(--secondary-color);
            padding: 15px 0;
            border-bottom: 3px solid var(--accent-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a.my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--highlight-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a.my-logo:hover {
            color: var(--accent-color);
            text-decoration: none;
        }
        .logo i {
            font-size: 2rem;
        }
        .breadcrumb {
            margin: 10px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: var(--text-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links li a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .nav-links li a:hover {
            background-color: rgba(15, 206, 124, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-color);
        }
        main {
            padding: 40px 0;
            min-height: 80vh;
        }
        article {
            background-color: rgba(26, 26, 46, 0.8);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 3rem;
            color: var(--highlight-color);
            margin-bottom: 25px;
            text-align: center;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent-color);
            margin-top: 40px;
            margin-bottom: 20px;
            border-left: 5px solid var(--highlight-color);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #ffa500;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #4dabf7;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            padding: 0 10px;
        }
        strong {
            color: var(--highlight-color);
            font-weight: bold;
        }
        em {
            font-style: italic;
            color: #aaa;
        }
        .highlight-box {
            background-color: var(--secondary-color);
            border-left: 5px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 3px solid var(--accent-color);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 10px;
        }
        .functional-section {
            background-color: var(--secondary-color);
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .functional-section h2 {
            border-left: none;
            text-align: center;
            color: var(--highlight-color);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #444;
            background-color: #2d2d44;
            color: var(--text-color);
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-color);
        }
        button {
            padding: 15px 30px;
            background-color: var(--accent-color);
            color: var(--primary-color);
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
        }
        button:hover {
            background-color: var(--highlight-color);
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .rating i {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating i:hover, .rating i.active {
            color: var(--highlight-color);
        }
        footer {
            background-color: var(--secondary-color);
            padding: 40px 0 20px;
            border-top: 3px solid var(--accent-color);
            text-align: center;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: var(--highlight-color);
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(15, 206, 124, 0.2);
        }
        .copyright {
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: var(--padding);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .functional-section {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article {
                padding: 20px;
            }
            .logo a.my-logo {
                font-size: 2rem;
            }
        }