* {
            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: 1.7;
            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;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .desktop-nav {
            display: flex;
            gap: 25px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #334155;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid #334155;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        main {
            padding: 30px 0;
            background-color: #0f172a;
        }
        article {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #fbbf24;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: #60a5fa;
            border-left: 5px solid #f59e0b;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: #93c5fd;
        }
        h4 {
            font-size: 1.2rem;
            margin: 20px 0 10px;
            color: #cbd5e1;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background-color: rgba(245, 158, 11, 0.15);
            border-left: 4px solid #f59e0b;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .emphasis {
            font-weight: 700;
            color: #fbbf24;
        }
        .article-img {
            width: 80%;
            margin: 30px auto;
            border-radius: 12px;
            overflow: hidden;
            border: 3px solid #334155;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 10px;
        }
        .content-link {
            color: #34d399;
            font-weight: 600;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #94a3b8;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #475569;
        }
        .interactive-module {
            background: linear-gradient(145deg, #1e293b, #334155);
            border-radius: 12px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #475569;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fbbf24;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        form {
            display: grid;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 8px;
            font-weight: 600;
            color: #cbd5e1;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: 2px solid #60a5fa;
            border-color: transparent;
        }
        button {
            padding: 14px 25px;
            background: linear-gradient(90deg, #f59e0b, #d97706);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #475569;
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-stars .star {
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #fbbf24;
        }
        footer {
            background-color: #0f172a;
            border-top: 2px solid #334155;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #fbbf24;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            padding: 12px 20px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            margin-bottom: 10px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 25px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-img {
                width: 100%;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .interactive-module {
                padding: 20px;
            }
        }