* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0a192f 0%, #0c1b32 50%, #0d1f3a 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s, text-shadow 0.3s;
        }
        a:hover {
            color: #80c1ff;
            text-shadow: 0 0 5px rgba(77, 166, 255, 0.7);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 2rem; }
        .mt-3 { margin-top: 2rem; }
        .p-2 { padding: 1rem; }
        .highlight {
            background: rgba(77, 166, 255, 0.15);
            border-left: 4px solid #4da6ff;
            padding: 1rem;
            border-radius: 0 6px 6px 0;
        }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: rgba(10, 25, 47, 0.95);
            border-bottom: 1px solid #1e3a5c;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #4da6ff, #00ccff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            animation: logoGlow 1.5s ease-in-out infinite alternate;
        }
        @keyframes logoGlow {
            from { text-shadow: 0 0 5px rgba(77, 166, 255, 0.5); }
            to { text-shadow: 0 0 15px rgba(0, 204, 255, 0.8), 0 0 20px rgba(77, 166, 255, 0.6); }
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b0d0ff;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #4da6ff;
            border-bottom-color: #4da6ff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #4da6ff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: rgba(30, 58, 92, 0.5);
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #1e3a5c;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c8ab0;
        }
        .breadcrumb a { color: #b0d0ff; }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(15, 30, 55, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 25px rgba(0, 20, 50, 0.4);
            border: 1px solid #1e3a5c;
        }
        article h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        article h2 {
            font-size: 2rem;
            color: #80c1ff;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a4a75;
        }
        article h3 {
            font-size: 1.6rem;
            color: #a3d5ff;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #c2e0ff;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        article strong {
            color: #ffffff;
            font-weight: 700;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #2a4a75;
            color: #8ab3d6;
            font-size: 0.95rem;
        }
        .last-updated {
            background: rgba(42, 74, 117, 0.5);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-image {
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s;
        }
        .featured-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #8ab3d6;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: rgba(15, 30, 55, 0.7);
            border-radius: 10px;
            padding: 1.5rem;
            border: 1px solid #1e3a5c;
        }
        .sidebar-widget h3 {
            color: #80c1ff;
            margin-bottom: 1rem;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            background: rgba(30, 58, 92, 0.7);
            border: 1px solid #2a4a75;
            border-radius: 6px 0 0 6px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-form button {
            background: #2a4a75;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #3a5a85;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
        }
        .link-list a {
            display: block;
            padding: 0.6rem 0.8rem;
            background: rgba(30, 58, 92, 0.5);
            border-radius: 6px;
            border-left: 3px solid transparent;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: rgba(42, 74, 117, 0.7);
            border-left-color: #4da6ff;
            transform: translateX(5px);
        }
        .interaction-module {
            background: rgba(15, 30, 55, 0.7);
            border-radius: 10px;
            padding: 1.5rem;
            margin-top: 3rem;
            border: 1px solid #1e3a5c;
        }
        .interaction-module h2 {
            margin-top: 0;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffcc00;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            color: #b0d0ff;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            background: rgba(30, 58, 92, 0.7);
            border: 1px solid #2a4a75;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: linear-gradient(90deg, #2a4a75, #3a5a85);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .btn-submit:hover {
            background: linear-gradient(90deg, #3a5a85, #4a6a95);
            box-shadow: 0 5px 15px rgba(42, 74, 117, 0.4);
            transform: translateY(-2px);
        }
        .site-footer {
            background: #0a192f;
            border-top: 1px solid #1e3a5c;
            padding: 2rem 0 1rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: #80c1ff;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section ul li {
            margin-bottom: 0.5rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(30, 58, 92, 0.5);
            margin-bottom: 0.5rem;
            border-radius: 6px;
            border-left: 4px solid #4da6ff;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e3a5c;
            color: #8ab3d6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 47, 0.98);
                border-top: 1px solid #1e3a5c;
                padding: 1rem;
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.4s, opacity 0.4s;
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid #1e3a5c;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .header-container {
                padding: 0 15px;
            }
            article {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
        }