* { 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 right, #f1f8ff, #e9ecef);
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; line-height: 1.2; border-left: 5px solid #3498db; padding-left: 1rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #2980b9; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #16a085; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #3498db; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #555; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; }
        strong { color: #2c3e50; }
        em { color: #7f8c8d; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-grid { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            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-family: 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo span { color: #f1c40f; }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav a {
            color: white;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            border-radius: 4px;
            margin-left: 0.5rem;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255,255,255,0.2);
            color: #f1c40f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: #1a2980;
                transition: left 0.4s ease;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active { left: 0; }
            .main-nav ul { flex-direction: column; }
            .main-nav a {
                display: block;
                margin: 0.5rem 0;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger { display: block; }
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        .breadcrumb i { margin: 0 0.5rem; }
        .search-box {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #3498db;
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #2980b9; }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }
        .article-meta {
            color: #95a5a6;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            padding: 0.5rem;
            background: #f9f9f9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #2c3e50;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3498db;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .stars .star:hover,
        .stars .star.active { color: #f1c40f; }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
        }
        .form-group { margin-bottom: 1rem; }
        .form-submit {
            background: #2ecc71;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .form-submit:hover { background: #27ae60; }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-widget h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            color: #bdc3c7;
            border-bottom: 1px dotted #34495e;
        }
        friend-link a { color: #bdc3c7; }
        friend-link a:hover { color: #f1c40f; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .btn {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn:hover { background: #2980b9; transform: translateY(-2px); }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-3 { margin-top: 1.5rem; }
        .tag {
            display: inline-block;
            background: #e0f7fa;
            color: #006064;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }