* { 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, #f9f9f9 0%, #eef2f3 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #1a5276, #2e86c1);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.5rem;
            font-weight: bold;
            color: #f7dc6f;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #f4d03f;
        }
        .desktop-nav { display: flex; gap: 2rem; }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .desktop-nav a:hover { background: rgba(255, 255, 255, 0.2); }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            width: 100%;
            background: #154360;
            margin-top: 1rem;
            border-radius: 8px;
            overflow: hidden;
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 1rem;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            text-align: center;
        }
        .mobile-nav a:hover { background: rgba(255, 255, 255, 0.1); }
        .breadcrumb {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a { color: #2e86c1; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article { background: white; padding: 3rem; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }
        .article-header { text-align: center; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 3px solid #f7dc6f; }
        h1 { font-size: 2.8rem; color: #1a5276; margin-bottom: 1rem; line-height: 1.2; }
        .article-meta {
            color: #777;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        h2 { font-size: 2rem; color: #2e86c1; margin: 2.5rem 0 1.2rem 0; padding-bottom: 0.5rem; border-bottom: 2px dashed #eee; }
        h3 { font-size: 1.6rem; color: #1a5276; margin: 2rem 0 1rem 0; }
        h4 { font-size: 1.3rem; color: #3498db; margin: 1.5rem 0 0.8rem 0; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.2rem; font-weight: 600; color: #2c3e50; background: #f8f9f9; padding: 1.5rem; border-left: 5px solid #f7dc6f; border-radius: 0 8px 8px 0; }
        .highlight { background: #fef9e7; padding: 1.5rem; border-radius: 8px; border: 1px solid #f7dc6f; margin: 2rem 0; }
        .highlight strong { color: #d68910; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .internal-link {
            color: #2874a6;
            font-weight: 600;
            text-decoration: underline dotted;
            transition: color 0.3s;
        }
        .internal-link:hover { color: #1b4f72; background: #ebf5fb; }
        .feature-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s;
        }
        .feature-img:hover { transform: scale(1.01); }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 { font-size: 1.3rem; margin-bottom: 1rem; color: #1a5276; padding-bottom: 0.5rem; border-bottom: 1px solid #eee; }
        .search-form { display: flex; }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #2e86c1;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #1a5276; }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .rating-widget .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-widget .star:hover,
        .rating-widget .star.active { color: #f7dc6f; }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #2e86c1, #1a5276);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }
        .btn:hover {
            background: linear-gradient(to right, #1a5276, #154360);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(26, 82, 118, 0.3);
        }
        .btn-block { width: 100%; text-align: center; }
        .site-footer {
            background: #1a252f;
            color: #ecf0f1;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo { font-size: 2rem; color: #f7dc6f; margin-bottom: 1rem; }
        .footer-links h4 { color: #f7dc6f; margin-bottom: 1.2rem; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #bdc3c7; text-decoration: none; transition: color 0.3s; }
        .footer-links a:hover { color: #f7dc6f; }
        friend-link {
            display: block;
            background: #2c3e50;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
            border-left: 5px solid #f7dc6f;
        }
        friend-link a {
            color: #f7dc6f;
            font-weight: bold;
            text-decoration: none;
            font-size: 1.1rem;
        }
        friend-link a:hover { text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2c3e50;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-container { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            h1 { font-size: 2.3rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .header-container { padding: 1rem; }
            .main-container, .breadcrumb { padding: 0 1rem; }
            article { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .feature-img { width: 100%; }
            .footer-container { grid-template-columns: 1fr; gap: 2rem; }
        }