* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #38bdf8;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #7dd3fc;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1.5rem 0;
            border-bottom: 3px solid #f59e0b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fbbf24;
            text-shadow: 0 0 15px rgba(251, 191, 36, 0.5);
            letter-spacing: 2px;
            text-transform: uppercase;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .my-logo:hover {
            text-shadow: 0 0 20px rgba(251, 191, 36, 0.8);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #cbd5e1;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: #f59e0b;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 80%;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fbbf24;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fbbf24;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #1e293b;
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #fbbf24;
        }
        main {
            padding: 2rem 0;
            min-height: 150vh;
        }
        article {
            background-color: #1e293b;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            margin-bottom: 3rem;
        }
        h1, h2, h3, h4 {
            color: #fbbf24;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3rem;
            border-bottom: 3px solid #f59e0b;
            padding-bottom: 1rem;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            padding-left: 1rem;
            border-left: 5px solid #38bdf8;
        }
        h3 {
            font-size: 1.8rem;
            color: #7dd3fc;
        }
        h4 {
            font-size: 1.4rem;
            color: #a5b4fc;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #cbd5e1;
            font-weight: 500;
            background-color: #334155;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #f59e0b;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: rgba(245, 158, 11, 0.1);
            border: 1px solid #f59e0b;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .highlight strong {
            color: #fbbf24;
            font-size: 1.2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .figure-container {
            margin: 3rem auto;
            max-width: 800px;
            text-align: center;
        }
        .figure-container img {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            border: 2px solid #475569;
        }
        .figcaption {
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            background: linear-gradient(145deg, #334155, #1e293b);
            padding: 2rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 1px solid #475569;
        }
        .interactive-section h3 {
            text-align: center;
            margin-bottom: 1.5rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }
        .form-group {
            flex: 1 1 300px;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: #0f172a;
            border: 1px solid #475569;
            border-radius: 8px;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #f59e0b;
        }
        button {
            background: linear-gradient(90deg, #f59e0b, #fbbf24);
            color: #0f172a;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        button:hover {
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #475569;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #fbbf24;
        }
        .content-links {
            display: inline-block;
            background-color: rgba(56, 189, 248, 0.1);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            border-bottom: 2px solid #38bdf8;
        }
        .content-links:hover {
            background-color: rgba(56, 189, 248, 0.2);
        }
        footer {
            background-color: #1e293b;
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #f59e0b;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fbbf24;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: #fbbf24;
            padding-left: 0.5rem;
        }
        friend-link {
            display: inline-block;
            background-color: #334155;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 8px;
            border: 1px solid #475569;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: #475569;
            border-color: #f59e0b;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .update-time {
            color: #fbbf24;
            font-weight: bold;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .header-container { flex-direction: column; gap: 1.5rem; }
            .main-nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                text-align: center;
                border-bottom: 1px solid #334155;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .main-nav a::after { display: none; }
            .interactive-section { padding: 1.5rem; }
            article { padding: 1.5rem; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.1rem; }
            .container { padding: 0 15px; }
            .footer-container { grid-template-columns: 1fr; }
        }
        @media print {
            body { background: white; color: black; }
            header, footer, .interactive-section, .breadcrumb { display: none; }
            a { color: #0000ee; text-decoration: underline; }
        }