* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #74c0fc;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #2a3a57;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #4dabf7, #da77f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            font-weight: 600;
        }
        .desktop-nav a:hover {
            background-color: rgba(77, 171, 247, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4dabf7;
        }
        .mobile-nav {
            display: none;
            background-color: #1a2332;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: rgba(77, 171, 247, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #a5a8ad;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: rgba(26, 35, 50, 0.7);
            border-radius: 15px;
            border-left: 5px solid #4dabf7;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            color: #ffffff;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #a5a8ad;
            font-size: 0.95rem;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2.5rem;
            margin: 2.5rem 0 1.5rem;
            color: #74c0fc;
            border-bottom: 2px solid #2a3a57;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #da77f2;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(77, 171, 247, 0.1);
            padding: 1.5rem;
            border-left: 4px solid #4dabf7;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .highlight strong {
            color: #ffd43b;
        }
        .tip {
            display: inline-block;
            background: #2a3a57;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.5rem;
            font-size: 0.95rem;
        }
        .interactive-forms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-box {
            background: rgba(26, 35, 50, 0.8);
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #3a4a67;
        }
        .form-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 8px;
            border: 1px solid #3a4a67;
            background-color: #1a2332;
            color: #e0e0e0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
        }
        button {
            padding: 0.9rem;
            background: linear-gradient(90deg, #4dabf7, #3b5bdb);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: opacity 0.3s, transform 0.2s;
        }
        button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #495057;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffd43b;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
            padding: 2rem;
            background: rgba(26, 35, 50, 0.9);
            border-radius: 12px;
        }
        .web-link {
            padding: 1rem;
            background: #1a2332;
            border-radius: 8px;
            border: 1px solid #2a3a57;
            transition: transform 0.3s, border-color 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            border-color: #4dabf7;
        }
        .web-link a {
            display: block;
            font-weight: 600;
        }
        footer {
            text-align: center;
            padding: 2rem 0;
            border-top: 2px solid #2a3a57;
            color: #a5a8ad;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .interactive-forms {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .web-links {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }