* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
            text-decoration: underline;
        }
        .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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fbbf24;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            font-weight: 600;
            color: #cbd5e1;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background-color: #334155;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #cbd5e1;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1e293b;
            padding: 20px;
            border-top: 1px solid #334155;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: #cbd5e1;
            font-size: 1.2rem;
            padding: 10px;
            border-bottom: 1px solid #334155;
        }
        .breadcrumb {
            background-color: #1e293b;
            padding: 15px 0;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #60a5fa;
        }
        main {
            padding: 30px 0;
            background-color: #0f172a;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
            background: linear-gradient(135deg, #1e293b, #0f172a);
            border-radius: 10px;
            border-left: 5px solid #f59e0b;
        }
        h1 {
            font-size: 3.5rem;
            color: #fbbf24;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: #94a3b8;
            font-size: 1rem;
            margin-bottom: 20px;
        }
        .article-meta i {
            margin-right: 8px;
        }
        .content-section {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-section {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
            color: #cbd5e1;
        }
        .article-content h2 {
            font-size: 2.5rem;
            color: #60a5fa;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #334155;
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: #38bdf8;
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 25px;
            text-align: justify;
            line-height: 1.8;
        }
        .article-content ul, .article-content ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .highlight {
            background-color: #1e293b;
            padding: 20px;
            border-left: 4px solid #10b981;
            margin: 25px 0;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .sidebar {
            background-color: #1e293b;
            padding: 25px;
            border-radius: 10px;
            height: fit-content;
            border: 1px solid #334155;
        }
        .sidebar h3 {
            color: #fbbf24;
            margin-bottom: 20px;
            font-size: 1.5rem;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 10px;
        }
        .feature-box {
            background-color: #0f172a;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 25px;
            border: 1px solid #334155;
        }
        .feature-box h4 {
            color: #60a5fa;
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #cbd5e1;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            background-color: #0f172a;
            border: 1px solid #475569;
            border-radius: 5px;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #60a5fa;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .btn:hover {
            background: linear-gradient(90deg, #1d4ed8, #1e40af);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
            text-decoration: none;
        }
        footer {
            background-color: #1e293b;
            padding: 40px 0 20px;
            border-top: 2px solid #334155;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        .web-link {
            background-color: #0f172a;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #475569;
        }
        .web-link h4 {
            color: #fbbf24;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .web-link ul {
            list-style: none;
        }
        .web-link li {
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            color: #94a3b8;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #475569;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-content h2 {
                font-size: 2rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }