* { 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%, #e4e8f0 100%);
            background-attachment: fixed;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Georgia', serif; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 4px solid #e53e3e; padding-bottom: 0.5rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; color: #2d3748; margin-top: 2.5rem; padding-left: 0.5rem; border-left: 5px solid #4299e1; }
        h3 { font-size: 1.8rem; color: #4a5568; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #718096; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #4a5568; }
        strong { color: #2d3748; }
        em { font-style: italic; color: #718096; }
        a { color: #3182ce; text-decoration: none; transition: color 0.3s, background-color 0.3s; }
        a:hover { color: #2c5282; text-decoration: underline; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin: 30px 0; }
        @media (max-width: 992px) { .main-content { grid-template-columns: 1fr; } }
        header { background: linear-gradient(to right, #1a202c, #2d3748); 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: 'Impact', 'Arial Black', sans-serif; font-size: 2.2rem; font-weight: bold; }
        .my-logo a { color: #63b3ed; text-decoration: none; }
        .my-logo a:hover { color: #90cdf4; text-decoration: none; }
        .main-nav ul { display: flex; list-style: none; }
        .main-nav li { margin-left: 2rem; }
        .main-nav a { color: #cbd5e0; font-weight: 500; padding: 0.5rem 0; position: relative; }
        .main-nav a:hover, .main-nav a.active { color: white; }
        .main-nav a:hover:after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background-color: #e53e3e; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: white; }
        .breadcrumb { background-color: #edf2f7; padding: 1rem 0; font-size: 0.9rem; }
        .breadcrumb ul { display: flex; list-style: none; flex-wrap: wrap; }
        .breadcrumb li:not(:last-child):after { content: '›'; margin: 0 10px; color: #a0aec0; }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #2d3748; }
        .utility-bar { background-color: white; border-radius: 10px; padding: 1.5rem; margin: 2rem 0; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .utility-bar h3 { margin-top: 0; color: #e53e3e; font-size: 1.5rem; }
        form { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 1rem; }
        input, select, textarea { padding: 12px 15px; border: 1px solid #cbd5e0; border-radius: 8px; font-size: 1rem; flex-grow: 1; min-width: 200px; }
        button, .btn { background: linear-gradient(to right, #3182ce, #2b6cb0); color: white; border: none; padding: 12px 25px; border-radius: 8px; cursor: pointer; font-weight: bold; font-size: 1rem; transition: all 0.3s; }
        button:hover, .btn:hover { background: linear-gradient(to right, #2c5282, #2a4365); transform: translateY(-2px); box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
        .content-card { background: white; border-radius: 15px; padding: 2.5rem; margin-bottom: 2.5rem; box-shadow: 0 8px 25px rgba(0,0,0,0.08); transition: transform 0.3s; }
        .content-card:hover { transform: translateY(-5px); }
        .featured-image { width: 100%; border-radius: 10px; overflow: hidden; margin: 2rem 0; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
        .featured-image img { width: 100%; transition: transform 0.5s; }
        .featured-image:hover img { transform: scale(1.03); }
        .sidebar-widget { background: white; border-radius: 15px; padding: 1.8rem; margin-bottom: 2rem; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .sidebar-widget h4 { color: #2d3748; border-bottom: 2px solid #e53e3e; padding-bottom: 0.5rem; margin-top: 0; }
        .link-list { list-style: none; margin-top: 1rem; }
        .link-list li { padding: 0.8rem 0; border-bottom: 1px dashed #e2e8f0; }
        .link-list a { display: flex; align-items: center; }
        .link-list i { margin-right: 10px; color: #4299e1; }
        footer { background: linear-gradient(to right, #1a202c, #2d3748); color: #cbd5e0; padding: 3rem 0 1.5rem; margin-top: 4rem; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2.5rem; }
        .footer-section h4 { color: white; border-bottom: 2px solid #e53e3e; padding-bottom: 0.5rem; margin-bottom: 1.5rem; }
        friend-link { display: block; padding: 0.5rem 0; color: #90cdf4; }
        friend-link:hover { color: white; text-decoration: underline; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #4a5568; font-size: 0.9rem; color: #a0aec0; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .main-nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: #2d3748; padding: 1rem; box-shadow: 0 5px 10px rgba(0,0,0,0.2); }
            .main-nav.active ul { display: flex; }
            .main-nav li { margin: 0.8rem 0; margin-left: 0; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .content-card { padding: 1.8rem; }
        }