* { 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: #f0f0f0;
            background: linear-gradient(135deg, #0a1428 0%, #1a2b4a 100%);
            min-height: 100vh;
            padding-bottom: 2rem;
        }
        a { color: #00b5ff; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #ffcc00; text-shadow: 0 0 8px rgba(255, 204, 0, 0.5); }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background: rgba(10, 20, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #00b5ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffcc00, #00b5ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover { transform: scale(1.03); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a:focus {
            border-bottom-color: #ffcc00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #ffcc00; }
        .breadcrumb span { margin: 0 0.5rem; }
        .search-section {
            background: rgba(30, 45, 70, 0.7);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #00b5ff;
            border-radius: 5px 0 0 5px;
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 1rem;
        }
        .search-btn {
            background: linear-gradient(90deg, #00b5ff, #0077cc);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-btn:hover { background: linear-gradient(90deg, #0077cc, #00b5ff); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: rgba(20, 30, 48, 0.8);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .article-header { margin-bottom: 2.5rem; }
        h1 {
            font-size: 2.8rem;
            color: #ffcc00;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(255, 204, 0, 0.3);
        }
        .meta-info {
            color: #aaa;
            font-size: 0.95rem;
            border-top: 1px solid #2a3a5a;
            border-bottom: 1px solid #2a3a5a;
            padding: 0.8rem 0;
            margin-bottom: 1.5rem;
        }
        .highlight-img {
            width: 100%;
            border-radius: 10px;
            border: 3px solid #00b5ff;
            margin: 2rem auto;
            box-shadow: 0 5px 15px rgba(0, 181, 255, 0.2);
        }
        h2 {
            font-size: 2rem;
            color: #00b5ff;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a3a5a;
        }
        h3 {
            font-size: 1.6rem;
            color: #ffcc00;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #80d4ff;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .important {
            background: rgba(255, 204, 0, 0.1);
            border-left: 5px solid #ffcc00;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.2rem;
            color: #ccc;
            text-align: center;
            padding: 2rem;
            border-top: 1px solid #2a3a5a;
            border-bottom: 1px solid #2a3a5a;
            margin: 2.5rem 0;
        }
        aside {
            background: rgba(20, 30, 48, 0.8);
            border-radius: 15px;
            padding: 1.8rem;
            align-self: start;
        }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #ffcc00;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a3a5a;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #2a3a5a;
        }
        .related-links a { display: block; padding: 0.3rem 0; }
        .user-interaction {
            background: rgba(30, 45, 70, 0.7);
            border-radius: 15px;
            padding: 2rem;
            margin-top: 3rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .form-group { margin-bottom: 1.5rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #ccc; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #2a3a5a;
            border-radius: 5px;
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 1rem;
        }
        textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(90deg, #ffcc00, #ff9900);
            color: #000;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 204, 0, 0.4);
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #444;
            cursor: pointer;
            padding: 0 0.1rem;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label { color: #ffcc00; }
        footer {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 2px solid #2a3a5a;
            text-align: center;
            color: #aaa;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            margin: 0 1rem;
            color: #80d4ff;
        }
        .copyright { font-size: 0.9rem; margin-top: 2rem; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 20, 40, 0.98);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                padding: 2rem;
                z-index: 999;
            }
            .main-nav.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article, aside { padding: 1.5rem; }
        }