* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0c0f1d;
            color: #e0e7ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #6ee7ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc5c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 40px 0;
            border-bottom: 1px solid #1a2238;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
        }
        .main-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #6ee7ff, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #6ee7ff;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #6ee7ff;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #111827;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #ffcc5c;
        }
        .hero {
            background: radial-gradient(circle at 20% 50%, #1e3a8a, transparent 50%),
                        radial-gradient(circle at 80% 20%, #7c3aed, transparent 50%),
                        #0f172a;
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(to right, #6ee7ff, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #cbd5e1;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: #1e293b;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .search-box h3 {
            margin-bottom: 15px;
            color: #6ee7ff;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #3b82f6;
            border-radius: 8px 0 0 8px;
            background: #0f172a;
            color: #e0e7ff;
            font-size: 1rem;
        }
        .search-form button {
            background: #3b82f6;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #2563eb;
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: #6ee7ff;
            padding-bottom: 10px;
            border-bottom: 2px solid #3b82f6;
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #a78bfa;
        }
        .article-content p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .article-content strong {
            color: #ffcc5c;
            font-weight: 700;
        }
        .article-content em {
            color: #86efac;
            font-style: italic;
        }
        .key-takeaways {
            background: linear-gradient(135deg, #1e3a8a, #7c3aed);
            padding: 30px;
            border-radius: 15px;
            margin: 40px 0;
            border-left: 6px solid #ffcc5c;
        }
        .key-takeaways h3 {
            color: #ffcc5c;
            margin-top: 0;
        }
        .key-takeaways ul {
            padding-left: 20px;
        }
        .key-takeaways li {
            margin-bottom: 10px;
        }
        .image-wrapper {
            margin: 40px auto;
            text-align: center;
            max-width: 900px;
        }
        .image-wrapper img {
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            border: 3px solid #3b82f6;
        }
        .image-caption {
            font-style: italic;
            color: #94a3b8;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .comment-box, .rating-box {
            background: #1e293b;
            padding: 30px;
            border-radius: 15px;
        }
        .comment-box h3, .rating-box h3 {
            color: #6ee7ff;
            margin-bottom: 20px;
        }
        textarea, select, .stars {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            background: #0f172a;
            border: 2px solid #475569;
            border-radius: 8px;
            color: #e0e7ff;
            font-size: 1rem;
        }
        .stars {
            display: flex;
            justify-content: space-between;
            border: none;
            background: transparent;
            padding: 0;
        }
        .stars i {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffcc5c;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 50px 0;
        }
        @media (min-width: 768px) {
            .web-links {
                grid-template-columns: repeat(5, 1fr);
            }
        }
        .web-link {
            background: #1e293b;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: #2d3748;
        }
        .main-footer {
            background: #0f172a;
            padding: 50px 0 20px;
            text-align: center;
        }
        .copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background: #1e293b;
                transition: left 0.5s ease;
                padding: 40px 20px;
                box-shadow: 5px 0 15px rgba(0,0,0,0.3);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 20px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: 8px;
                padding: 15px;
            }
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }