* {
            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: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #3b82f6;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #60a5fa;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #1e293b;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fbbf24;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(251, 191, 36, 0.7);
        }
        .my-logo:hover {
            color: #f59e0b;
            text-decoration: none;
        }
        .breadcrumb {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-desktop a:hover {
            background-color: #334155;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 12px 0;
            border-bottom: 1px solid #334155;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1e3a8a, #0f172a);
            padding: 60px 20px;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: #fbbf24;
            text-shadow: 0 0 15px rgba(251, 191, 36, 0.8);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 25px;
            color: #cbd5e1;
        }
        .content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 50px;
        }
        @media (max-width: 768px) {
            .content {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background-color: #1e293b;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
        }
        .sidebar {
            background-color: #1e293b;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
            align-self: start;
        }
        h2 {
            font-size: 2.4rem;
            color: #60a5fa;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #3b82f6;
        }
        h3 {
            font-size: 1.9rem;
            color: #38bdf8;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.5rem;
            color: #7dd3fc;
            margin-top: 25px;
            margin-bottom: 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            color: #e2e8f0;
            text-align: justify;
            line-height: 1.9;
        }
        .highlight {
            background-color: rgba(59, 130, 246, 0.2);
            padding: 20px;
            border-left: 5px solid #3b82f6;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        b, strong {
            color: #fbbf24;
            font-weight: 800;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 30px auto;
            display: block;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
            transition: transform 0.4s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 50px 0;
        }
        .feature-box {
            background-color: #334155;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
        }
        .feature-box i {
            font-size: 2.8rem;
            color: #3b82f6;
            margin-bottom: 15px;
        }
        .feature-box h3 {
            margin-top: 0;
            color: #fbbf24;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 15px;
        }
        input, textarea, select {
            padding: 14px;
            border: 2px solid #475569;
            border-radius: 8px;
            background-color: #1e293b;
            color: #f1f5f9;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3b82f6;
        }
        button {
            padding: 14px;
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #1d4ed8, #3b82f6);
            transform: scale(1.03);
        }
        footer {
            background-color: #1e293b;
            padding: 40px 0 20px;
            margin-top: 60px;
            border-top: 5px solid #3b82f6;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #fbbf24;
            margin-bottom: 20px;
        }
        .friend-link {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .friend-link a {
            padding: 10px;
            background-color: #334155;
            border-radius: 6px;
            transition: background-color 0.3s ease;
        }
        .friend-link a:hover {
            background-color: #475569;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.6rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 40px 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            .main-content, .sidebar {
                padding: 25px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .feature-box {
                padding: 20px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .main-content, .sidebar, .feature-box {
            animation: fadeIn 0.8s ease-out;
        }