* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f8fafc;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #38bdf8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #7dd3fc;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 20px 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #38bdf8, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            transition: transform 0.3s ease;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover {
            background-color: #334155;
            color: #7dd3fc;
        }
        .nav-links a i {
            font-size: 1.2rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #38bdf8;
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: #1e293b;
            padding: 15px 0;
            margin-bottom: 30px;
            border-radius: 0 0 10px 10px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #64748b;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: #38bdf8;
        }
        main {
            padding: 30px 0;
            min-height: 80vh;
        }
        article {
            background: #1e293b;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            color: #38bdf8;
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px solid #3b82f6;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.5rem;
            color: #7dd3fc;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #475569;
        }
        h3 {
            font-size: 2rem;
            color: #bae6fd;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.6rem;
            color: #e0f2fe;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.2rem;
            color: #cbd5e1;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(56, 189, 248, 0.15);
            border-left: 4px solid #38bdf8;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: #f0f9ff;
        }
        .emoji {
            font-size: 1.4rem;
            margin-right: 8px;
        }
        strong {
            color: #fbbf24;
            font-weight: 800;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 30px auto;
            display: block;
            border: 3px solid #3b82f6;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .form-container {
            background: #1e293b;
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #475569;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        .form-container h3 {
            margin-top: 0;
            color: #38bdf8;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-container h3 i {
            font-size: 1.8rem;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        input, textarea, select {
            padding: 14px;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #f8fafc;
            font-size: 1.1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #38bdf8;
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
        }
        button {
            background: linear-gradient(90deg, #3b82f6, #38bdf8);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(90deg, #38bdf8, #3b82f6);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(56, 189, 248, 0.3);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin: 15px 0;
        }
        .stars i {
            font-size: 2.2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .stars i:hover,
        .stars i.active {
            color: #fbbf24;
        }
        .content-links {
            margin: 30px 0;
            padding: 20px;
            background-color: #1e293b;
            border-radius: 10px;
            border-left: 5px solid #10b981;
        }
        .content-links h4 {
            color: #10b981;
            margin-top: 0;
        }
        .content-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            list-style: none;
            margin-top: 15px;
        }
        .content-links li {
            padding: 10px;
            background-color: #0f172a;
            border-radius: 6px;
            transition: transform 0.3s ease;
        }
        .content-links li:hover {
            transform: translateX(5px);
            background-color: #1e40af;
        }
        .content-links a {
            color: #7dd3fc;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .content-links a i {
            color: #38bdf8;
        }
        .last-updated {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin: 30px 0;
            padding: 15px;
            background-color: #1e293b;
            border-radius: 8px;
            border: 1px dashed #475569;
        }
        footer {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 50px 0 20px;
            border-top: 2px solid #334155;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #38bdf8;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #38bdf8;
            transform: translateX(5px);
            transition: all 0.3s ease;
        }
        friend-link {
            display: block;
            background-color: #0f172a;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border: 2px solid #3b82f6;
        }
        friend-link h3 {
            color: #fbbf24;
            margin-top: 0;
            text-align: center;
            font-size: 2rem;
        }
        friend-link ul {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            list-style: none;
            margin-top: 20px;
        }
        friend-link li {
            background: linear-gradient(90deg, #1e40af, #3b82f6);
            padding: 12px 25px;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        friend-link li:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(59, 130, 246, 0.4);
        }
        friend-link a {
            color: white;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 1.1rem;
        }
        .copyright a {
            color: #38bdf8;
        }
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            h3 {
                font-size: 1.8rem;
            }
            article {
                padding: 30px;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1e293b;
                border-radius: 10px;
                padding: 20px;
                margin-top: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            p {
                font-size: 1.1rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            friend-link ul {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
            .content-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 15px;
            }
            article {
                padding: 20px;
            }
            .form-container {
                padding: 20px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .form-container, .content-links, friend-link {
            animation: fadeIn 0.8s ease-out;
        }
        html {
            scroll-behavior: smooth;
        }