* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(90deg, #ffd700, #ffecb3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
        }
        .logo i { margin-right: 10px; font-size: 2.5rem; color: #ffd700; }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: #ffd700;
            color: #1a237e;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #ffecb3; }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffd700;
        }
        nav {
            background: rgba(0,0,0,0.1);
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .nav-menu {
            display: flex;
            justify-content: center;
            padding: 0;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 18px 24px;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .nav-menu a:hover {
            background: rgba(255,215,0,0.15);
            color: #ffd700;
        }
        .nav-menu a:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            width: 60%;
            height: 3px;
            background: #ffd700;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #fff;
            border-bottom: 1px solid #e0e0e0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #777;
        }
        .breadcrumb a:hover { color: #1a237e; text-decoration: underline; }
        main {
            flex: 1;
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 3rem;
            color: #1a237e;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-meta span { display: inline-flex; align-items: center; }
        .article-meta i { margin-right: 8px; color: #ffd700; }
        .content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content { grid-template-columns: 1fr; }
        }
        .article-body {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .article-body p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body h2 {
            color: #283593;
            font-size: 2.2rem;
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffd700;
        }
        .article-body h3 {
            color: #3949ab;
            font-size: 1.7rem;
            margin: 40px 0 20px;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffd700 100%);
            padding: 30px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 6px solid #1a237e;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: #1a237e;
        }
        .feature-image {
            margin: 40px 0;
            text-align: center;
        }
        .feature-image img {
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-image img:hover {
            transform: scale(1.02);
        }
        .feature-image figcaption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #1a237e;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffd700;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffd700;
        }
        .rating-widget input, .rating-widget textarea, .comment-widget textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-widget button, .comment-widget button {
            background: #1a237e;
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-widget button:hover, .comment-widget button:hover {
            background: #283593;
        }
        .toc ul {
            padding-left: 20px;
        }
        .toc li {
            margin-bottom: 10px;
        }
        .toc a {
            color: #555;
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
        }
        .toc a:hover {
            color: #1a237e;
            border-bottom-color: #1a237e;
        }
        .web-links {
            margin: 60px 0 30px;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .web-links h2 {
            color: #1a237e;
            font-size: 2rem;
            margin-bottom: 25px;
            text-align: center;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #ffd700;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #283593;
            font-weight: 600;
            display: flex;
            align-items: center;
        }
        .web-link i {
            margin-right: 10px;
            color: #ffd700;
        }
        footer {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            padding: 50px 0 20px;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #ffd700, #ffecb3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: #ffd700;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: #ffd700;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: #ffd700;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .logo { order: 1; }
            .mobile-toggle {
                display: block;
                order: 2;
            }
            .search-form {
                order: 3;
                flex: 1 100%;
                margin-top: 15px;
            }
            nav { display: none; }
            nav.active { display: block; }
            .nav-menu {
                flex-direction: column;
                text-align: center;
            }
            .nav-menu a {
                padding: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 { font-size: 2.2rem; }
            .article-body { padding: 25px; }
            .article-body h2 { font-size: 1.8rem; }
            .article-body h3 { font-size: 1.5rem; }
            .web-links-grid { grid-template-columns: 1fr; }
        }
        .text-bold { font-weight: 800; }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mb-40 { margin-bottom: 40px; }