* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a { color: #2563eb; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1d4ed8; }
        img { max-width: 100%; height: auto; display: block; }
        .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, #1e293b 0%, #0f172a 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: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo a { color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #cbd5e1;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover, .main-nav a:focus {
            color: #ffffff;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #60a5fa;
            transition: width 0.3s;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .hamburger:focus { outline: 2px solid #60a5fa; }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 0.5rem;
            color: #64748b;
        }
        .breadcrumb a { color: #475569; }
        .breadcrumb a:hover { color: #1e293b; }
        main { flex: 1; padding: 2rem 0; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.05);
        }
        .article-header { margin-bottom: 2.5rem; }
        .article-header h1 {
            font-size: 2.5rem;
            color: #1e293b;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: #64748b;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
            padding-bottom: 1rem;
        }
        .article-meta i { margin-right: 0.3rem; }
        .lead {
            font-size: 1.25rem;
            color: #475569;
            margin: 1.5rem 0;
            padding-left: 1rem;
            border-left: 4px solid #60a5fa;
        }
        h2 {
            font-size: 2rem;
            color: #1e293b;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.5rem;
            color: #334155;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #475569;
            margin: 1.5rem 0 0.8rem;
        }
        p, li {
            margin-bottom: 1.2rem;
            text-align: justify;
            color: #4b5563;
        }
        .highlight { background-color: #fef3c7; padding: 0.2rem 0.4rem; border-radius: 3px; }
        strong { color: #1e293b; }
        blockquote {
            border-left: 5px solid #a78bfa;
            background-color: #f5f3ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        .link-list {
            background: #f1f5f9;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list ul { list-style-position: inside; }
        .link-list li { margin-bottom: 0.8rem; }
        figure {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        figure img {
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            border: 1px solid #e5e7eb;
        }
        figcaption {
            font-size: 0.9rem;
            color: #6b7280;
            margin-top: 0.8rem;
            font-style: italic;
        }
        aside { position: sticky; top: 120px; align-self: start; }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.04);
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: #1e293b;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.7rem;
        }
        .search-form { display: flex; }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background: #3b82f6;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #2563eb; }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #374151;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #d1d5db;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .submit-btn {
            align-self: flex-start;
            background: #10b981;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #059669; }
        .stars { display: flex; gap: 0.5rem; font-size: 1.8rem; color: #d1d5db; }
        .stars label { cursor: pointer; }
        .stars input { display: none; }
        .stars input:checked ~ label { color: #d1d5db; }
        .stars label:hover,
        .stars label:hover ~ label { color: #fbbf24; }
        .stars input:checked + label,
        .stars input:checked + label ~ label { color: #f59e0b; }
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container { display: flex; flex-direction: column; }
        .footer-links {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #f8fafc;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-section ul { list-style: none; }
        .footer-section li { margin-bottom: 0.7rem; }
        .footer-section a { color: #94a3b8; }
        .footer-section a:hover { color: #60a5fa; }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-top: 1px solid #334155;
            border-bottom: 1px solid #334155;
            margin: 1.5rem 0;
            text-align: center;
            font-style: italic;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .main-nav.active { max-height: 500px; margin-top: 1rem; }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li { border-bottom: 1px solid #334155; }
            .main-nav a { display: block; padding: 1rem; }
            .article-header h1 { font-size: 2rem; }
            article { padding: 1.5rem; }
            .footer-links { flex-direction: column; }
        }