* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1a20;
            color: #e0e0e0;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #80c1ff;
            transform: translateY(-2px);
        }
        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 {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 800; }
        .highlight {
            background: linear-gradient(90deg, #ff9a00, #ff5e00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: bold;
        }
        header {
            background: linear-gradient(135deg, #1a2b3a 0%, #0d151d 100%);
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #00ccff, #00ffaa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 15px rgba(0, 204, 255, 0.3);
            letter-spacing: -1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: #b0d0ff;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover {
            border-bottom-color: #4da6ff;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #15232c;
            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: #666;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00ccff;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a2b3a;
            flex-direction: column;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            display: block;
            padding: 10px;
            border-left: 4px solid #00ccff;
            background-color: #253544;
            border-radius: 0 5px 5px 0;
        }
        main {
            flex: 1;
        }
        .hero {
            background: radial-gradient(ellipse at center, #1c3a4e 0%, #0f1a20 70%);
            padding: 80px 0;
            border-bottom: 3px solid #00a2ff;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto 40px;
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: 15px;
            backdrop-filter: blur(10px);
        }
        .search-box h2 {
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #4da6ff;
            border-radius: 50px;
            background-color: #11212f;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            padding: 15px 30px;
            background: linear-gradient(45deg, #0077ff, #00ccff);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 119, 255, 0.4);
        }
        .article-content {
            background-color: #15232c;
            padding: 40px;
            border-radius: 15px;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
            margin-bottom: 40px;
        }
        .article-content h1 {
            font-size: 2.8rem;
            margin-bottom: 30px;
            color: #ffffff;
            border-left: 6px solid #ff9a00;
            padding-left: 20px;
        }
        .article-content h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: #4da6ff;
            padding-bottom: 10px;
            border-bottom: 2px dashed #4da6ff;
        }
        .article-content h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: #80c1ff;
        }
        .article-content h4 {
            font-size: 1.3rem;
            margin: 25px 0 10px;
            color: #a6d0ff;
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content ul, .article-content ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .featured-image {
            margin: 40px auto;
            max-width: 900px;
            border: 5px solid #00a2ff;
            box-shadow: 0 10px 30px rgba(0, 162, 255, 0.3);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            margin-top: 10px;
            color: #aaa;
        }
        .interactive-module {
            background: linear-gradient(145deg, #1c3a4e, #15232c);
            padding: 30px;
            border-radius: 15px;
            margin: 50px 0;
            border: 1px solid #2a4a60;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            color: #00ffaa;
        }
        .module-title i {
            font-size: 1.8rem;
        }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ffcc00;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars i:hover {
            color: #ffaa00;
        }
        .comment-box textarea, .comment-box input {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            background-color: #11212f;
            border: 1px solid #4da6ff;
            border-radius: 8px;
            color: white;
            font-size: 1rem;
        }
        .comment-box button {
            padding: 12px 30px;
            background: linear-gradient(45deg, #00cc66, #00ffaa);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .comment-box button:hover {
            transform: scale(1.05);
        }
        footer {
            background-color: #0d151d;
            padding: 50px 0 20px;
            margin-top: 60px;
            border-top: 3px solid #00a2ff;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #00ccff;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 10px 15px;
            background-color: rgba(255,255,255,0.05);
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(0, 204, 255, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a3a4a;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-content h1 {
                font-size: 2.3rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 8px;
            }
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 25px 20px;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .interactive-module {
                padding: 20px;
            }
        }