* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #29b6f6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, #ff6b6b, #ffa726);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
        }
        .section-spacing {
            padding: 60px 0;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(26, 35, 126, 0.4);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(26, 35, 126, 0.6);
        }
        .header {
            background-color: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #1a237e;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #ffa726);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4fc3f7;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #4fc3f7;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #0a0e17;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #1a237e;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid #1a237e;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #111827;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #bbbbbb;
        }
        .breadcrumb a:hover {
            color: #4fc3f7;
        }
        .breadcrumb span {
            color: #777;
            margin: 0 8px;
        }
        .hero {
            background: radial-gradient(circle at top right, #1a237e, transparent 50%),
                        radial-gradient(circle at bottom left, #283593, transparent 50%);
            padding: 80px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #4fc3f7, #29b6f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #bbbbbb;
        }
        .search-section {
            background-color: #111827;
            padding: 30px 0;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1rem;
            background-color: #1f2937;
            color: white;
        }
        .search-btn {
            padding: 0 30px;
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-btn:hover {
            background: linear-gradient(135deg, #283593, #3949ab);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .article-content {
            background-color: rgba(17, 24, 39, 0.7);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: #4fc3f7;
            border-left: 5px solid #ff6b6b;
            padding-left: 15px;
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #29b6f6;
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: #bbbbbb;
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            color: #cccccc;
            text-align: justify;
        }
        .article-content blockquote {
            border-left: 4px solid #ffa726;
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: #aaaaaa;
            background-color: rgba(255, 167, 38, 0.05);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .article-content ul, .article-content ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #888;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .sidebar {
            background-color: rgba(17, 24, 39, 0.7);
            border-radius: 20px;
            padding: 30px;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar h3 {
            color: #4fc3f7;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1a237e;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background-color: #1f2937;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .related-links a:hover {
            background-color: #283593;
            transform: translateX(5px);
        }
        .interaction-section {
            background-color: #111827;
            border-radius: 20px;
            padding: 40px;
            margin-top: 40px;
        }
        .interaction-section h2 {
            color: #4fc3f7;
            margin-bottom: 30px;
        }
        .rating-form, .comment-form {
            margin-bottom: 40px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffa726;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #bbbbbb;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            background-color: #1f2937;
            border: 1px solid #3949ab;
            border-radius: 10px;
            color: white;
            font-size: 1rem;
        }
        .form-control:focus {
            outline: none;
            border-color: #4fc3f7;
        }
        .footer {
            background-color: #0a0e17;
            border-top: 1px solid #1a237e;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h4 {
            color: #4fc3f7;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-column ul li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            margin-top: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #1a237e;
            color: #777;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 50px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .section-spacing {
                padding: 40px 0;
            }
        }