* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.8;
            font-size: 1.125rem;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2c5282;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #1a365d;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
            margin: 1.5rem 0;
        }
        li {
            margin-bottom: 0.75rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #ff6b6b;
            letter-spacing: -1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            flex-shrink: 0;
        }
        .my-logo span {
            color: #63b3ed;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 3px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: #90cdf4;
            border-bottom-color: #90cdf4;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #2d3748;
            flex-direction: column;
            padding: 1rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            width: 100%;
            text-align: center;
        }
        .mobile-nav a {
            display: block;
            color: #e2e8f0;
            padding: 1rem;
            font-weight: 600;
            border-bottom: 1px solid #4a5568;
        }
        .mobile-nav a:hover {
            background-color: #4a5568;
            color: #90cdf4;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            padding-left: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #a0aec0;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #2d3748;
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 3rem;
        }
        .article-header {
            padding: 0 2rem 2rem;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: 3rem;
            color: #2d3748;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .article-header .meta {
            text-align: center;
            color: #718096;
            font-style: italic;
            margin-bottom: 1rem;
        }
        .article-header .excerpt {
            font-size: 1.4rem;
            color: #4a5568;
            line-height: 1.6;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .article-content {
            padding: 0 2rem;
        }
        .article-content section {
            margin-bottom: 4rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2d3748;
            border-left: 5px solid #ff6b6b;
            padding-left: 1rem;
            margin: 3rem 0 1.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a5568;
            margin: 2.5rem 0 1.2rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #718096;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #2d3748;
            font-weight: 700;
        }
        em {
            color: #805ad5;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #63b3ed;
            padding-left: 1.5rem;
            margin: 2.5rem 0;
            color: #4a5568;
            font-size: 1.2rem;
            font-style: italic;
            background-color: #f7fafc;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box {
            background: linear-gradient(to right, #feebc8, #fed7d7);
            border: 1px solid #fc8181;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .image-container {
            margin: 3rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 1px solid #e2e8f0;
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-size: 0.95rem;
            color: #718096;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.04);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0,0,0,0.08);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #4299e1;
            margin-bottom: 1rem;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #2d3748;
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            color: #718096;
        }
        .search-module {
            background-color: #edf2f7;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            text-align: center;
        }
        .search-module h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: #4299e1;
        }
        .search-button {
            background-color: #4299e1;
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #3182ce;
        }
        .user-interaction {
            background-color: #f7fafc;
            border-top: 2px solid #e2e8f0;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .rating-module, .comments-module {
            max-width: 800px;
            margin: 0 auto 3rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .star {
            font-size: 2.5rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
            transform: scale(1.1);
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.2rem;
            margin-top: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        input, textarea, select {
            padding: 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        .submit-button {
            background-color: #48bb78;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            justify-self: start;
        }
        .submit-button:hover {
            background-color: #38a169;
        }
        .site-footer {
            background-color: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #ff6b6b;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #e2e8f0;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .footer-links a:hover {
            color: #63b3ed;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            background-color: #2d3748;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        friend-link a {
            color: #90cdf4;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .article-header h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-container { padding: 0 15px; }
            .article-header,
            .article-content { padding: 0 1rem; }
            .article-header h1 { font-size: 2rem; }
            .article-header .excerpt { font-size: 1.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-input { border-radius: 8px; margin-bottom: 10px; }
            .search-button { border-radius: 8px; padding: 1rem; }
            .stats-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 10px; }
            .article-header h1 { font-size: 1.7rem; }
            .highlight-box { padding: 1.5rem; }
        }