* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #f0f0f0;
            background: linear-gradient(135deg, #0a0a2a, #1a1a3a);
            min-height: 100vh;
            padding-top: 80px;
        }
        a {
            color: #00a8ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 10, 40, 0.95);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: #ffcc00;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #ffffff;
            text-decoration: none;
        }
        .logo i {
            font-size: 2rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background: rgba(0, 168, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #ffcc00;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(20, 20, 50, 0.8);
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #00a8ff;
        }
        main {
            background: rgba(25, 25, 55, 0.9);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
            margin-bottom: 40px;
        }
        article h1 {
            font-size: 2.8rem;
            color: #ffcc00;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 2px 2px 4px #000;
        }
        article h2 {
            font-size: 2.2rem;
            color: #00a8ff;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #444;
        }
        article h3 {
            font-size: 1.8rem;
            color: #ff9966;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        article h4 {
            font-size: 1.5rem;
            color: #99ff99;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        article p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: rgba(255, 204, 0, 0.1);
            border-left: 4px solid #ffcc00;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .feature-box {
            background: rgba(40, 40, 70, 0.8);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid #555;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 168, 255, 0.3);
        }
        .feature-box h3 {
            color: #ffcc00;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #555;
            border-radius: 6px;
            background: #1a1a3a;
            color: #fff;
            font-size: 1rem;
        }
        button {
            padding: 12px 20px;
            background: linear-gradient(90deg, #00a8ff, #0097e6);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #0097e6, #00a8ff);
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.5rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .article-image {
            text-align: center;
            margin: 30px 0;
        }
        .article-image figcaption {
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #555;
        }
        footer {
            background: rgba(10, 10, 40, 0.95);
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            padding: 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            margin-bottom: 10px;
            transition: background 0.3s ease;
        }
        friend-link:hover {
            background: rgba(0, 168, 255, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 10, 40, 0.98);
                position: absolute;
                top: 70px;
                left: 0;
                padding: 20px;
                box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
            article h3 {
                font-size: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }