        * { 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: #f9f7f5;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; }
        ul, ol { list-style-position: inside; margin-left: 1.2em; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        h1, h2, h3, h4 { font-family: 'Georgia', serif; color: #2c3e50; margin-bottom: 0.8em; line-height: 1.3; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-top: 1em; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-bottom: 3px solid #e74c3c; padding-bottom: 0.3em; margin-top: 1.8em; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); color: #3498db; margin-top: 1.5em; }
        p { margin-bottom: 1.2em; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #555; }
        .highlight { background-color: #fffacd; padding: 0.2em 0.4em; border-radius: 3px; }
        strong { color: #2c3e50; }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1.2em 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .logo span { color: #f39c12; }
        .nav-desktop { display: flex; gap: 2em; }
        .nav-desktop a {
            padding: 0.5em 1em;
            border-radius: 5px;
            transition: all 0.3s ease;
            font-weight: 600;
        }
        .nav-desktop a:hover { background-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a2980;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1em;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 1em;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover { background-color: rgba(255,255,255,0.1); }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8em 0;
            font-size: 0.9rem;
            margin-bottom: 2em;
        }
        .breadcrumb a { color: #3498db; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb i { margin: 0 0.5em; color: #7f8c8d; }
        .search-section {
            background-color: #2c3e50;
            padding: 2em 0;
            text-align: center;
            margin-bottom: 2em;
            border-radius: 10px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 1em;
            border: none;
            border-radius: 5px 0 0 5px;
            font-size: 1.1rem;
        }
        .search-btn {
            background-color: #e74c3c;
            color: white;
            border: none;
            padding: 0 1.5em;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-btn:hover { background-color: #c0392b; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3em;
            margin: 2em 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content { background-color: white; padding: 2.5em; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .featured-image {
            margin: 2em 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image img { width: 100%; transition: transform 0.5s ease; }
        .featured-image:hover img { transform: scale(1.03); }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            padding: 0.8em;
            background-color: #f8f9fa;
        }
        .info-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 5px solid #9b59b6;
            padding: 1.5em;
            margin: 2em 0;
            border-radius: 0 10px 10px 0;
        }
        .tip { background-color: #d5f4e6; border-left-color: #2ecc71; }
        .warning { background-color: #ffeaa7; border-left-color: #f1c40f; }
        .button {
            display: inline-block;
            background: linear-gradient(to right, #3498db, #2ecc71);
            color: white;
            padding: 0.8em 1.8em;
            border-radius: 50px;
            font-weight: bold;
            margin: 1em 0;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
            border: none;
            cursor: pointer;
        }
        .button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.5);
        }
        .interactive-section {
            background-color: white;
            padding: 2em;
            border-radius: 10px;
            margin-top: 3em;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 1em;
            margin-bottom: 2em;
        }
        .stars { color: #f1c40f; font-size: 1.5rem; }
        .stars i { cursor: pointer; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 1em;
            margin-bottom: 1em;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
        }
        .comment-form button {
            background-color: #2c3e50;
            color: white;
            padding: 0.8em 2em;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .comment-form button:hover { background-color: #34495e; }
        .footer-links {
            background-color: #2c3e50;
            padding: 3em 0;
            margin-top: 4em;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1em;
            margin-bottom: 2em;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 1em;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .web-link a { color: #bdc3c7; display: block; }
        .web-link:hover { background-color: rgba(255,255,255,0.1); }
        .web-link:hover a { color: white; }
        .site-footer {
            background-color: #1a252f;
            color: #95a5a6;
            text-align: center;
            padding: 2em 0;
            font-size: 0.9rem;
        }
        .site-footer a { color: #3498db; }
        .site-footer a:hover { text-decoration: underline; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; }
            .header-content { flex-wrap: wrap; }
            .article-content { padding: 1.5em; }
            .search-form { flex-direction: column; }
            .search-input { border-radius: 5px; margin-bottom: 0.5em; }
            .search-btn { border-radius: 5px; padding: 1em; }
            .main-content { gap: 2em; }
        }
