* { 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;
            background-image: linear-gradient(to bottom, #f1f3f4 0%, #e9ecef 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', Times, serif; color: #2c3e50; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 4px solid #c0392b; padding-bottom: 0.5rem; margin-top: 1.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: #2980b9; margin-top: 2.5rem; padding-left: 0.5rem; border-left: 5px solid #3498db; }
        h3 { font-size: clamp(1.5rem, 3vw, 1.9rem); color: #16a085; margin-top: 2rem; }
        h4 { font-size: 1.3rem; color: #8e44ad; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; hyphens: auto; }
        a { color: #c0392b; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #e74c3c; text-decoration: underline; }
        strong, b { color: #2c3e50; font-weight: 700; }
        em { font-style: italic; color: #7f8c8d; }
        blockquote { border-left: 4px solid #95a5a6; padding-left: 1.5rem; margin: 2rem 0; font-style: italic; color: #555; background-color: #ecf0f1; padding: 1.5rem; border-radius: 0 8px 8px 0; }
        ul, ol { margin: 1.5rem 0 1.5rem 2rem; }
        li { margin-bottom: 0.7rem; }
        .lead { font-size: 1.3rem; color: #34495e; font-weight: 500; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #1a252f 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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #e74c3c;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        .my-logo span { color: #ecf0f1; }
        .my-logo:hover { text-decoration: none; color: #c0392b; }
        .my-logo i { margin-right: 10px; font-size: 2rem; }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #ecf0f1;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #c0392b; }
        .breadcrumb span { color: #95a5a6; }
        .main-nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #e74c3c;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #e74c3c;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease-out;
            }
            .main-nav.active {
                max-height: 500px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid #34495e;
            }
            .main-nav a {
                padding: 1rem;
                display: block;
            }
        }
        main { flex: 1; }
        .article-body {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 1rem 0;
            border-bottom: 1px dashed #bdc3c7;
            margin-bottom: 2rem;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .last-updated { color: #c0392b; font-weight: bold; }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget-title {
            font-size: 1.4rem;
            color: #2c3e50;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #3498db;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { width: 100%; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #bdc3c7;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #c0392b, #e74c3c);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #a93226, #c0392b);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(192, 57, 43, 0.3);
            text-decoration: none;
            color: white;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        .article-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image img {
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            border: 8px solid #ecf0f1;
        }
        .caption {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.8rem;
            font-size: 0.95rem;
            text-align: center;
        }
        .related-links {
            background-color: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .related-links h3 { color: #2980b9; margin-top: 0; }
        .related-links ul { list-style: none; margin: 1rem 0 0 0; display: flex; flex-wrap: wrap; gap: 1rem; }
        .related-links li { margin: 0; }
        .related-links a {
            background-color: white;
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            display: block;
            border: 1px solid #3498db;
            font-weight: 600;
        }
        .related-links a:hover {
            background-color: #3498db;
            color: white;
            text-decoration: none;
        }
        .site-footer {
            background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-widget h3 {
            color: #ecf0f1;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #c0392b;
        }
        .footer-links { list-style: none; margin: 0; }
        .footer-links a {
            color: #bdc3c7;
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dashed #34495e;
        }
        .footer-links a:hover { color: #e74c3c; padding-left: 10px; }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 6px;
            border-left: 4px solid #c0392b;
        }
        friend-link a { color: #3498db; font-weight: bold; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        .emoji { font-size: 1.3rem; margin-right: 0.3rem; }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, #bdc3c7, transparent);
            margin: 2.5rem 0;
        }