* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #cbd5e1;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .nav-links a:hover {
            background-color: #334155;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        main {
            padding: 2rem 0;
            background-color: #1e293b;
            border-radius: 15px;
            margin-top: 1rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px solid #334155;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #38bdf8;
            margin: 2.5rem 0 1.5rem;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #34d399;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a78bfa;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #334155;
            border-left: 4px solid #fbbf24;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        .img-container {
            text-align: center;
            margin: 2.5rem 0;
        }
        .img-container img {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.7);
            border: 3px solid #475569;
        }
        .link-list {
            background-color: #0f172a;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1rem;
        }
        .link-list li {
            padding: 0.8rem;
            background-color: #1e293b;
            border-radius: 8px;
        }
        .link-list li:hover {
            background-color: #334155;
        }
        .search-box {
            background-color: #0f172a;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            text-align: center;
        }
        .search-box input {
            width: 70%;
            padding: 1rem;
            border-radius: 50px 0 0 50px;
            border: 2px solid #475569;
            background-color: #1e293b;
            color: white;
            font-size: 1.1rem;
        }
        .search-box button {
            padding: 1rem 2rem;
            border-radius: 0 50px 50px 0;
            border: 2px solid #f59e0b;
            background-color: #f59e0b;
            color: #0f172a;
            font-weight: bold;
            cursor: pointer;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .search-box button:hover {
            background-color: #fbbf24;
        }
        .user-feedback {
            background-color: #0f172a;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
        }
        .feedback-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .feedback-form input, .feedback-form textarea, .feedback-form select {
            padding: 0.8rem;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #1e293b;
            color: white;
        }
        .feedback-form textarea {
            grid-column: span 2;
            min-height: 150px;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #fbbf24;
            margin: 1rem 0;
        }
        .rating i {
            cursor: pointer;
        }
        .submit-btn {
            grid-column: span 2;
            padding: 1rem;
            background: linear-gradient(90deg, #f59e0b, #fbbf24);
            color: #0f172a;
            font-weight: bold;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .submit-btn:hover {
            opacity: 0.9;
        }
        footer {
            background-color: #0f172a;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 3px solid #334155;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #fbbf24;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background-color: #1e293b;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: #334155;
            transform: translateX(10px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1e293b;
                flex-direction: column;
                padding: 1rem;
                border-top: 2px solid #334155;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .feedback-form {
                grid-template-columns: 1fr;
            }
            .feedback-form textarea {
                grid-column: span 1;
            }
            .submit-btn {
                grid-column: span 1;
            }
            .search-box input {
                width: 60%;
            }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 0 1rem; }
            .search-box input { width: 100%; margin-bottom: 1rem; border-radius: 50px; }
            .search-box button { width: 100%; border-radius: 50px; }
        }