* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
        body { background-color: #f8f9fa; color: #333; line-height: 1.7; font-size: 1.05rem; }
        .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 { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
        .logo a { font-size: 2.2rem; font-weight: 800; color: white; text-decoration: none; text-transform: uppercase; letter-spacing: -1px; font-family: 'Arial Black', Gadget, sans-serif; text-shadow: 2px 2px 0 #ff6b6b; }
        .logo a:hover { color: #ffeb3b; transition: color 0.3s; }
        .main-nav ul { display: flex; list-style: none; }
        .main-nav li { margin-left: 2rem; }
        .main-nav a { color: white; text-decoration: none; font-weight: 600; font-size: 1.1rem; padding: 8px 5px; border-bottom: 2px solid transparent; transition: border-color 0.3s; }
        .main-nav a:hover, .main-nav a.active { border-bottom-color: #ffeb3b; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; }
        .breadcrumb { max-width: 1200px; margin: 15px auto; padding: 0 20px; font-size: 0.9rem; }
        .breadcrumb a { color: #1a2980; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .content-container { max-width: 1200px; margin: 30px auto; padding: 0 20px; display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
        .main-content { background: white; padding: 40px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
        h1 { color: #1a2980; font-size: 2.8rem; margin-bottom: 1.5rem; line-height: 1.2; border-left: 6px solid #26d0ce; padding-left: 20px; }
        h2 { color: #2d3436; font-size: 2rem; margin: 2.5rem 0 1.2rem; padding-bottom: 8px; border-bottom: 2px dashed #74b9ff; }
        h3 { color: #1a2980; font-size: 1.5rem; margin: 2rem 0 1rem; }
        h4 { color: #555; font-size: 1.2rem; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.3rem; color: #1a2980; font-weight: 500; padding: 15px; background: #f1f8ff; border-radius: 8px; margin-bottom: 2rem; }
        .highlight { background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%); padding: 20px; border-radius: 10px; border-left: 5px solid #ff7675; margin: 2rem 0; }
        strong { color: #1a2980; font-weight: 700; }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.8rem; }
        .article-image { width: 100%; height: auto; border-radius: 10px; box-shadow: 0 8px 20px rgba(0,0,0,0.1); margin: 2rem 0; border: 1px solid #eee; }
        .image-caption { text-align: center; font-style: italic; color: #666; font-size: 0.95rem; margin-top: -1.5rem; margin-bottom: 2rem; }
        table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
        th, td { border: 1px solid #ddd; padding: 12px 15px; text-align: left; }
        th { background-color: #1a2980; color: white; }
        tr:nth-child(even) { background-color: #f9f9f9; }
        .sidebar { background: white; padding: 25px; border-radius: 15px; box-shadow: 0 8px 20px rgba(0,0,0,0.05); align-self: start; position: sticky; top: 120px; }
        .sidebar-widget { margin-bottom: 30px; }
        .sidebar h3 { font-size: 1.4rem; color: #2d3436; margin-bottom: 1.2rem; padding-bottom: 8px; border-bottom: 2px solid #74b9ff; }
        #search-form { display: flex; margin-bottom: 25px; }
        #search-input { flex-grow: 1; padding: 12px 15px; border: 2px solid #26d0ce; border-radius: 8px 0 0 8px; font-size: 1rem; outline: none; }
        #search-btn { background: #1a2980; color: white; border: none; padding: 0 20px; border-radius: 0 8px 8px 0; cursor: pointer; font-weight: 600; transition: background 0.3s; }
        #search-btn:hover { background: #26d0ce; }
        .user-form { background: #f8f9fa; padding: 25px; border-radius: 10px; margin: 2.5rem 0; border: 1px solid #e9ecef; }
        .form-group { margin-bottom: 20px; }
        label { display: block; margin-bottom: 8px; font-weight: 600; color: #2d3436; }
        input[type="text"], input[type="email"], textarea, select { width: 100%; padding: 12px 15px; border: 1px solid #ced4da; border-radius: 8px; font-size: 1rem; transition: border-color 0.3s; }
        input[type="text"]:focus, input[type="email"]:focus, textarea:focus, select:focus { border-color: #1a2980; outline: none; }
        textarea { min-height: 150px; resize: vertical; }
        .submit-btn { background: linear-gradient(to right, #1a2980, #26d0ce); color: white; border: none; padding: 14px 30px; border-radius: 8px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; }
        .submit-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 12px rgba(26, 41, 128, 0.2); }
        .star-rating { direction: rtl; display: inline-block; }
        .star-rating input[type="radio"] { display: none; }
        .star-rating label { font-size: 2rem; color: #ddd; cursor: pointer; padding: 0 5px; }
        .star-rating input[type="radio"]:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffc107; }
        .footer-links { max-width: 1200px; margin: 40px auto 20px; padding: 0 20px; display: flex; flex-wrap: wrap; justify-content: space-between; }
        .web-link { flex: 0 0 48%; margin-bottom: 15px; padding: 12px 15px; background: #e3f2fd; border-radius: 8px; }
        .web-link a { color: #1a2980; text-decoration: none; font-weight: 500; }
        .web-link a:hover { text-decoration: underline; color: #ff6b6b; }
        .site-footer { background: #2d3436; color: #ddd; text-align: center; padding: 30px 20px; margin-top: 50px; }
        .copyright { font-size: 0.9rem; margin-top: 15px; color: #aaa; }
        @media (max-width: 992px) {
            .content-container { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: #1a2980; padding: 20px; box-shadow: 0 10px 15px rgba(0,0,0,0.1); }
            .main-nav.active ul { display: flex; }
            .main-nav li { margin: 10px 0; margin-left: 0; }
            h1 { font-size: 2.2rem; }
            .header-container, .content-container, .breadcrumb, .footer-links { padding: 0 15px; }
            .main-content { padding: 25px; }
            .footer-links { flex-direction: column; }
            .web-link { flex: 0 0 100%; }
        }