* {
            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: #93c5fd;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            font-size: 2.5rem;
            color: #3b82f6;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background-color: #475569;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #cbd5e1;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 0.5rem 0;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background-color: #475569;
        }
        .breadcrumb {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: linear-gradient(90deg, #1e293b, #334155);
            border-radius: 15px;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
        }
        .article-header h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: #f8fafc;
        }
        .article-header p {
            font-size: 1.2rem;
            color: #cbd5e1;
            max-width: 800px;
            margin: 0 auto;
        }
        .content-section {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-section {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: #1e293b;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 2rem 0 1rem;
            color: #93c5fd;
            border-left: 5px solid #3b82f6;
            padding-left: 15px;
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: 1.5rem 0 0.8rem;
            color: #bae6fd;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content strong {
            color: #fbbf24;
            font-weight: 700;
        }
        .article-content em {
            color: #a78bfa;
            font-style: italic;
        }
        .highlight-box {
            background-color: #0f766e;
            border-left: 5px solid #2dd4bf;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .image-container {
            text-align: center;
            margin: 2.5rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
            border: 3px solid #475569;
        }
        .interactive-section {
            background-color: #334155;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .interactive-section h3 {
            color: #f8fafc;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-section form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border-radius: 8px;
            border: 2px solid #475569;
            background-color: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #60a5fa;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #fbbf24;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .btn {
            padding: 1rem 2rem;
            background: linear-gradient(to right, #3b82f6, #8b5cf6);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            max-width: 250px;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(59, 130, 246, 0.4);
        }
        .sidebar {
            background-color: #1e293b;
            padding: 2rem;
            border-radius: 15px;
            height: fit-content;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        }
        .sidebar h3 {
            color: #93c5fd;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 1rem;
            padding: 0.8rem;
            background-color: #334155;
            border-radius: 8px;
            transition: background-color 0.3s ease;
        }
        .sidebar li:hover {
            background-color: #475569;
        }
        .sidebar a {
            display: block;
            font-weight: 600;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
            padding: 2rem;
            background-color: #1e293b;
            border-radius: 12px;
        }
        .web-link {
            padding: 1rem;
            background-color: #334155;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s ease, background-color 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background-color: #475569;
        }
        footer {
            background-color: #0f172a;
            padding: 2rem 0;
            text-align: center;
            border-top: 2px solid #334155;
        }
        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .btn {
                max-width: 100%;
            }
            .web-links {
                grid-template-columns: 1fr;
                padding: 1rem;
            }
        }