* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fff9c4; padding: 2px 5px; border-radius: 3px; }
        .site-header {
            background: #1a2a36;
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #f8c555;
            text-decoration: none;
            letter-spacing: 1px;
            transition: color 0.3s;
        }
        .my-logo:hover {
            color: #ffdd67;
            text-shadow: 0 0 8px rgba(248, 197, 85, 0.5);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav a {
            color: #e0e0e0;
            text-decoration: none;
            padding: 0.8rem 1.2rem;
            border-radius: 4px;
            transition: all 0.3s;
            font-weight: 600;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: #2d4252;
            color: #f8c555;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f8c555;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.9rem;
            border-bottom: 1px solid #cbd5e0;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #718096;
        }
        .breadcrumb a {
            color: #4a5568;
            text-decoration: none;
        }
        .breadcrumb a:hover { color: #1a202c; text-decoration: underline; }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-grid { grid-template-columns: 1fr; }
        }
        .article-content {
            background: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article-meta {
            color: #718096;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .article-meta i { margin-right: 5px; }
        h1 {
            font-size: 2.8rem;
            color: #1a2a36;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2d4a6b;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f8c555;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a506b;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a6382;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #4a5568;
            font-weight: 500;
            padding: 15px;
            background: #f7fafc;
            border-left: 4px solid #f8c555;
            border-radius: 0 5px 5px 0;
        }
        .article-img {
            margin: 2.5rem auto;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            padding: 10px;
            font-size: 0.9rem;
            background: #f9fafb;
        }
        .content-link {
            color: #2b6cb0;
            text-decoration: none;
            border-bottom: 1px dotted #2b6cb0;
            transition: all 0.2s;
        }
        .content-link:hover {
            color: #1a4c8c;
            border-bottom-style: solid;
            background-color: #ebf8ff;
        }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: #fff;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget-title {
            font-size: 1.3rem;
            color: #1a2a36;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form { display: flex; }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-btn {
            background: #f8c555;
            color: #1a2a36;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #e6b445; }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-label { margin-bottom: 5px; font-weight: 600; color: #4a5568; }
        .form-input,
        .form-textarea {
            padding: 12px;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea { min-height: 120px; resize: vertical; }
        .form-submit {
            background: #38a169;
            color: white;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .form-submit:hover { background: #2f855a; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating input:hover ~ label,
        .star-rating label:hover ~ label { color: #f8c555; }
        .site-footer {
            background: #1a2a36;
            color: #cbd5e0;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-title {
            color: #f8c555;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            color: #90cdf4;
            text-decoration: none;
            margin-bottom: 10px;
            padding: 8px 0;
            border-bottom: 1px solid #2d4252;
            transition: all 0.3s;
        }
        friend-link:hover {
            color: #f8c555;
            padding-left: 10px;
            border-bottom-color: #f8c555;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            margin-top: 30px;
            border-top: 1px solid #2d4252;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 500px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #2d4252;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content { padding: 25px; }
            .sidebar-widget { padding: 20px; }
        }
        @media print {
            .site-header, .sidebar, .site-footer,
            .search-form, .comment-form, .rating-form,
            .hamburger { display: none; }
            .main-grid { grid-template-columns: 1fr; gap: 0; }
            body { background: white; color: black; }
            .article-content { box-shadow: none; padding: 0; }
            a { color: black; text-decoration: underline; }
        }