* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f1f5f9;
            line-height: 1.8;
            font-size: 1.1rem;
            padding: 0;
            margin: 0;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #93c5fd;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #1e293b;
            padding: 20px 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #3b82f6;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #60a5fa;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links li a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 8px;
        }
        .nav-links li a:hover {
            background-color: #334155;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #f1f5f9;
        }
        .breadcrumb {
            background-color: #334155;
            padding: 15px 0;
            margin-bottom: 30px;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        main {
            padding: 40px 0;
            background-color: #0f172a;
        }
        article {
            background-color: #1e293b;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.5rem;
            color: #3b82f6;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.5rem;
            color: #60a5fa;
            margin-top: 40px;
            margin-bottom: 20px;
            border-left: 5px solid #3b82f6;
            padding-left: 15px;
        }
        h3 {
            font-size: 2rem;
            color: #93c5fd;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.5rem;
            color: #bfdbfe;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            padding: 0 10px;
        }
        strong {
            color: #fbbf24;
            font-weight: 700;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 5px;
        }
        .highlight {
            background-color: #334155;
            border-left: 4px solid #3b82f6;
            padding: 20px;
            margin: 25px 0;
            border-radius: 10px;
        }
        .image-container {
            text-align: center;
            margin: 40px 0;
        }
        .image-container img {
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
        }
        .image-caption {
            font-style: italic;
            color: #94a3b8;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .functional-sections {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .functional-box {
            background-color: #1e293b;
            padding: 30px;
            border-radius: 15px;
            border: 2px solid #334155;
        }
        .functional-box h3 {
            color: #3b82f6;
            margin-bottom: 20px;
            text-align: center;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        input, textarea, select {
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #f1f5f9;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3b82f6;
        }
        button {
            padding: 15px;
            border-radius: 10px;
            border: none;
            background-color: #3b82f6;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #2563eb;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .stars i {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .stars i:hover, .stars i.active {
            color: #fbbf24;
        }
        footer {
            background-color: #1e293b;
            padding: 40px 0;
            border-top: 2px solid #334155;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-section h4 {
            color: #3b82f6;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 10px;
            background-color: #334155;
            border-radius: 8px;
            transition: background-color 0.3s ease;
        }
        friend-link:hover {
            background-color: #475569;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            h3 { font-size: 1.8rem; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1e293b;
                padding: 20px;
                border-top: 2px solid #334155;
                z-index: 999;
            }
            .nav-links.active { display: flex; }
            .nav-links li { width: 100%; text-align: center; }
            .nav-links li a { display: block; padding: 15px; }
            .header-content { justify-content: center; gap: 20px; }
            .my-logo { font-size: 1.8rem; }
            .functional-sections { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            body { font-size: 1rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .container { padding: 0 15px; }
            article { padding: 20px; }
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #94a3b8;
            margin-bottom: 20px;
            padding: 10px;
            background-color: #334155;
            border-radius: 10px;
        }
        .content-link {
            color: #34d399;
            font-weight: 600;
        }
        .content-link:hover {
            color: #10b981;
        }