* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            color: #f5f5f5;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #ffeb3b;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .text-center { text-align: center; }
        .hidden { display: none !important; }
        .visible { display: block !important; }
        .emoji { font-size: 1.2em; }
        header {
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #ffeb3b;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ffeb3b, #ff9800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background: rgba(255, 235, 59, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: rgba(26, 35, 126, 0.98);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            font-size: 1.2rem;
            display: block;
            padding: 12px;
            border-bottom: 1px solid #3949ab;
        }
        .breadcrumb {
            padding: 15px 20px;
            background: rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #bbbbbb;
        }
        .breadcrumb a:hover {
            color: #ffeb3b;
        }
        .hero {
            padding: 4rem 2rem;
            text-align: center;
            background: radial-gradient(circle at center, #3949ab 0%, #1a237e 70%);
            border-bottom: 3px solid #ffeb3b;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #e0e0e0;
        }
        .last-updated {
            font-style: italic;
            color: #bdbdbd;
            font-size: 0.95rem;
        }
        main {
            background: rgba(255, 255, 255, 0.03);
            padding: 2rem 0;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .content-body {
            background: rgba(30, 30, 46, 0.7);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            background: rgba(40, 40, 60, 0.7);
            padding: 1.5rem;
            border-radius: 15px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1, h2, h3, h4 {
            color: #ffeb3b;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 3rem; border-bottom: 3px solid #ff9800; padding-bottom: 10px; }
        h2 { font-size: 2.3rem; border-left: 5px solid #3949ab; padding-left: 15px; }
        h3 { font-size: 1.8rem; color: #c5cae9; }
        h4 { font-size: 1.4rem; color: #b39ddb; }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #ffcc80;
            font-weight: 700;
        }
        blockquote {
            border-left: 4px solid #ff9800;
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            background: rgba(255, 152, 0, 0.1);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .search-box, .comment-box, .rating-box {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            border: 1px solid #3949ab;
        }
        .search-box h3, .comment-box h3, .rating-box h3 {
            margin-top: 0;
        }
        form input, form textarea, form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid #5c6bc0;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
        }
        form input:focus, form textarea:focus {
            outline: none;
            border-color: #ffeb3b;
            box-shadow: 0 0 8px rgba(255, 235, 59, 0.5);
        }
        button, .btn {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ff5722, #ff9800);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 87, 34, 0.4);
            text-decoration: none;
        }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            border: 3px solid #ffeb3b;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #5c6bc0;
        }
        .related-links a {
            color: #c5cae9;
            display: block;
            padding: 8px;
            border-radius: 5px;
        }
        .related-links a:hover {
            background: rgba(255, 235, 59, 0.1);
            color: #ffeb3b;
            text-decoration: none;
            transform: translateX(5px);
        }
        footer {
            background: rgba(0, 0, 0, 0.9);
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #ffeb3b;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffcc80;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255, 235, 59, 0.15);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-container { padding: 12px 15px; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .content-body, .sidebar { padding: 1.5rem; }
            .article-content { gap: 25px; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1.1rem; }
            h2 { font-size: 1.7rem; }
            .content-body { padding: 1.2rem; }
        }