* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a192f;
            color: #e6f1ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #64ffda;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #52d3aa;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        h1, h2, h3, h4 {
            color: #ccd6f6;
            margin-bottom: 1.2rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 3.5rem;
            background: linear-gradient(90deg, #64ffda, #52d3aa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-top: 1rem;
        }
        h2 {
            font-size: 2.5rem;
            border-left: 4px solid #64ffda;
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #a8b2d1;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #8892b0;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #a8b2d1;
            font-weight: 300;
        }
        .highlight {
            background-color: rgba(100, 255, 218, 0.1);
            border-left: 3px solid #64ffda;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .keyword {
            font-weight: bold;
            color: #64ffda;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        header {
            background-color: #0a192f;
            border-bottom: 1px solid #233554;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #64ffda, #52d3aa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
        }
        .my-logo:hover {
            animation: pulse 1s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.8; }
            100% { opacity: 1; }
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: #ccd6f6;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .desktop-nav a:hover {
            background-color: rgba(100, 255, 218, 0.1);
            color: #64ffda;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #64ffda;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #112240;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #233554;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: #ccd6f6;
            padding: 15px;
            border-bottom: 1px solid #233554;
            font-size: 1.1rem;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            color: #8892b0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #64ffda;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .search-box {
            background-color: #112240;
            padding: 30px;
            border-radius: 10px;
            margin: 30px 0;
            text-align: center;
        }
        .search-box h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto 0;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #233554;
            background-color: #0a192f;
            color: #ccd6f6;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #64ffda;
            color: #0a192f;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: #52d3aa;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: #112240;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            background-color: #112240;
            padding: 25px;
            border-radius: 15px;
            height: fit-content;
        }
        .article-image {
            margin: 2.5rem auto;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #8892b0;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #112240, #233554);
            padding: 40px;
            border-radius: 15px;
            margin: 50px 0;
            border: 1px solid #64ffda;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #233554;
            cursor: pointer;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffd700;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            color: #ccd6f6;
            font-weight: 500;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 15px;
            background-color: #0a192f;
            border: 2px solid #233554;
            border-radius: 8px;
            color: #ccd6f6;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #64ffda;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn-submit {
            background-color: #64ffda;
            color: #0a192f;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .btn-submit:hover {
            background-color: #52d3aa;
            transform: translateY(-3px);
        }
        footer {
            background-color: #020c1b;
            padding: 60px 0 30px;
            margin-top: 60px;
            border-top: 1px solid #233554;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ccd6f6;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #8892b0;
        }
        .footer-links a:hover {
            color: #64ffda;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #0a192f;
            padding: 15px;
            margin: 10px 0;
            border-radius: 8px;
            border-left: 4px solid #64ffda;
            transition: transform 0.3s;
        }
        friend-link:hover {
            transform: translateX(10px);
            background-color: #112240;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #233554;
            color: #8892b0;
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .py-4 { padding-top: 2rem; padding-bottom: 2rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            .article-body, .sidebar { padding: 25px; }
            .interactive-section { padding: 25px; }
        }