:root {
            --primary-dark: #1a2b3c;
            --primary-medium: #2c3e50;
            --primary-light: #3498db;
            --accent-gold: #f39c12;
            --accent-steel: #7f8c8d;
            --text-light: #ecf0f1;
            --text-gray: #bdc3c7;
            --bg-light: #f8f9fa;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #121212;
            color: var(--text-light);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: var(--accent-gold);
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a i {
            color: var(--primary-light);
        }
        .logo a:hover {
            color: var(--text-light);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--text-gray);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: var(--accent-gold);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-medium);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 0.5rem;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            border-left-color: var(--accent-gold);
            padding-left: 1rem;
            color: var(--accent-gold);
        }
        .breadcrumb {
            background-color: var(--primary-medium);
            padding: 0.8rem 0;
            margin-bottom: 2rem;
            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: var(--text-gray);
        }
        .breadcrumb a {
            color: var(--text-gray);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb li:last-child a {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .search-section {
            background: linear-gradient(rgba(26, 43, 60, 0.9), rgba(26, 43, 60, 0.9)), url('https://images.unsplash.com/photo-1538481199705-c710c4e965fc?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            padding: 3rem 0;
            margin-bottom: 3rem;
            border-radius: var(--border-radius);
            text-align: center;
        }
        .search-section h2 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            color: var(--text-light);
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1.1rem;
            background-color: rgba(255, 255, 255, 0.95);
        }
        .search-button {
            background-color: var(--accent-gold);
            color: var(--primary-dark);
            border: none;
            padding: 0 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #e67e22;
        }
        main {
            flex-grow: 1;
        }
        article {
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin-bottom: 3rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--accent-steel);
            padding-bottom: 1.5rem;
            margin-bottom: 2.5rem;
            color: var(--text-gray);
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: var(--accent-gold);
            font-weight: 600;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-light);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--text-light);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-gray);
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(243, 156, 18, 0.15);
            border-left: 4px solid var(--accent-gold);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2.5rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.02);
        }
        a.content-link {
            color: var(--accent-gold);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-gold);
            transition: var(--transition);
        }
        a.content-link:hover {
            color: var(--text-light);
            border-bottom-style: solid;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 800;
            color: var(--accent-gold);
        }
        .interactive-section {
            background-color: var(--primary-medium);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
        }
        .rating-box, .comment-box {
            margin-bottom: 2.5rem;
        }
        .rating-box h3, .comment-box h3 {
            margin-top: 0;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: var(--text-gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--accent-steel);
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--accent-gold);
            color: var(--primary-dark);
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-btn:hover {
            background-color: #e67e22;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--primary-dark);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: var(--text-gray);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--primary-medium);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-content { padding: 0 1rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-button { border-radius: var(--border-radius); width: 100%; }
            .search-button { margin-top: 1rem; padding: 1rem; }
            .article-meta { flex-direction: column; align-items: flex-start; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            h1 { font-size: 1.9rem; }
            .footer-content { grid-template-columns: 1fr; }
        }