* { 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: #e0e0e0;
            background: linear-gradient(135deg, #0a0f1c 0%, #1a2332 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #a5d8ff; text-shadow: 0 0 8px rgba(77, 171, 247, 0.5); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .highlight { background: linear-gradient(90deg, transparent, rgba(255,215,0,0.15), transparent); padding: 2px 8px; border-left: 3px solid #ffd700; }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #339af0, #228be6);
            color: white;
            padding: 12px 28px;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(34, 139, 230, 0.3);
            text-align: center;
        }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(34, 139, 230, 0.5); background: linear-gradient(to right, #228be6, #1c7ed6); }
        .btn-secondary { background: linear-gradient(to right, #495057, #343a40); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
        .btn-secondary:hover { background: linear-gradient(to right, #343a40, #212529); }
        .site-header {
            background: rgba(10, 15, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #339af0;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ffd700, #ff6b6b, #339af0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo a { color: transparent; }
        .my-logo span { color: #ffd700; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }
        .primary-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .primary-nav a {
            color: #adb5bd;
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
            font-size: 1.05rem;
        }
        .primary-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: #339af0;
            transition: width 0.3s;
        }
        .primary-nav a:hover::after, .primary-nav a.active::after { width: 100%; }
        .primary-nav a:hover, .primary-nav a.active { color: #fff; }
        .breadcrumb {
            background: rgba(30, 40, 60, 0.7);
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb ol { display: flex; flex-wrap: wrap; list-style: none; padding-left: 0; margin-bottom: 0; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin: 0 10px; color: #868e96; }
        .breadcrumb a { color: #adb5bd; }
        .breadcrumb a:hover { color: #fff; }
        .search-section { background: rgba(40, 50, 80, 0.4); padding: 30px 0; margin: 20px 0; border-radius: 10px; }
        .search-form { max-width: 700px; margin: 0 auto; display: flex; }
        .search-input { flex-grow: 1; padding: 15px 20px; border: 2px solid #339af0; border-radius: 8px 0 0 8px; background: #1e2a44; color: #fff; font-size: 1rem; }
        .search-btn { padding: 0 25px; border-radius: 0 8px 8px 0; background: #339af0; color: white; border: none; cursor: pointer; font-weight: bold; transition: background 0.3s; }
        .search-btn:hover { background: #228be6; }
        main { flex-grow: 1; padding: 30px 0; }
        article { background: rgba(25, 35, 55, 0.7); border-radius: 15px; padding: 40px; box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4); margin-bottom: 40px; border: 1px solid #2d3748; }
        h1 { color: #ffd700; font-size: 2.8rem; margin-bottom: 1.5rem; line-height: 1.2; text-align: center; }
        h2 { color: #4dabf7; font-size: 2.1rem; margin: 2.5rem 0 1.2rem; padding-bottom: 10px; border-bottom: 2px solid #339af0; }
        h3 { color: #a5d8ff; font-size: 1.6rem; margin: 2rem 0 1rem; }
        h4 { color: #ced4da; font-size: 1.3rem; margin: 1.5rem 0 0.8rem; }
        .article-meta { text-align: center; color: #adb5bd; margin-bottom: 2.5rem; font-style: italic; border-bottom: 1px dashed #495057; padding-bottom: 1.5rem; }
        .hero-image { width: 100%; border-radius: 10px; overflow: hidden; margin: 2rem 0; border: 3px solid #339af0; }
        .hero-image img { width: 100%; transition: transform 0.5s; }
        .hero-image:hover img { transform: scale(1.02); }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 3rem 0;
        }
        .feature-card {
            background: rgba(40, 50, 80, 0.5);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid #495057;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4); border-color: #339af0; }
        .feature-icon { font-size: 2.5rem; color: #ffd700; margin-bottom: 15px; }
        .interactive-section { background: rgba(30, 40, 60, 0.6); border-radius: 15px; padding: 30px; margin: 40px 0; border: 1px solid #495057; }
        .rating-form, .comment-form { margin-bottom: 30px; }
        .star-rating { direction: rtl; display: inline-block; font-size: 2rem; }
        .star-rating input { display: none; }
        .star-rating label { color: #495057; cursor: pointer; padding: 0 5px; }
        .star-rating label:hover, .star-rating label:hover ~ label,
        .star-rating input:checked ~ label { color: #ffd700; }
        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #ced4da; }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: #1e2a44;
            border: 1px solid #495057;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus { outline: none; border-color: #339af0; box-shadow: 0 0 0 3px rgba(51, 154, 240, 0.2); }
        .site-footer {
            background: rgba(10, 15, 28, 0.95);
            border-top: 1px solid #339af0;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-links h3 { color: #ffd700; font-size: 1.3rem; margin-bottom: 20px; }
        .footer-links ul { list-style: none; padding-left: 0; }
        .footer-links li { margin-bottom: 10px; }
        friend-link {
            display: block;
            background: rgba(30, 40, 60, 0.5);
            padding: 15px;
            margin: 10px 0;
            border-radius: 6px;
            border-left: 4px solid #ffd700;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d3748;
            color: #868e96;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .nav-toggle { display: block; }
            .primary-nav { width: 100%; max-height: 0; overflow: hidden; transition: max-height 0.5s ease; }
            .primary-nav.active { max-height: 400px; margin-top: 20px; }
            .primary-nav ul { flex-direction: column; gap: 0; }
            .primary-nav li { border-bottom: 1px solid #2d3748; }
            .primary-nav a { display: block; padding: 15px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 25px; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 8px; width: 100%; }
            .search-input { margin-bottom: 10px; }
        }