* { 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: #0f1419;
            background-image: radial-gradient(circle at 15% 50%, rgba(29, 78, 137, 0.15) 0%, transparent 55%),
                              radial-gradient(circle at 85% 30%, rgba(96, 29, 137, 0.1) 0%, transparent 55%);
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1, h2, h3, h4 { font-weight: 700; color: #6ab0f3; margin-top: 1.8em; margin-bottom: 0.7em; line-height: 1.3; }
        h1 { font-size: 2.8rem; color: #4da6ff; text-align: center; border-bottom: 3px solid #2a5a8a; padding-bottom: 20px; margin-top: 0.5em; }
        h2 { font-size: 2.1rem; border-left: 5px solid #4da6ff; padding-left: 15px; }
        h3 { font-size: 1.7rem; color: #89c4ff; }
        h4 { font-size: 1.3rem; color: #a8d5ff; }
        p { margin-bottom: 1.4em; font-size: 1.08rem; text-align: justify; }
        a { color: #6ab0f3; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #ffcc5c; text-shadow: 0 0 8px rgba(255, 204, 92, 0.5); }
        strong { color: #ffcc5c; font-weight: 700; }
        em { color: #a3d977; font-style: italic; }
        .container { display: flex; flex-direction: column; min-height: 100vh; }
        header { background: rgba(16, 25, 36, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid #2a3a4d; position: sticky; top: 0; z-index: 1000; padding: 15px 0; }
        .header-top { display: flex; justify-content: space-between; align-items: center; padding: 0 10px; }
        .my-logo { font-size: 2.2rem; font-weight: 800; background: linear-gradient(90deg, #4da6ff, #a3d977); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
        .my-logo:hover { transform: scale(1.02); }
        .hamburger { display: none; font-size: 1.8rem; color: #6ab0f3; cursor: pointer; background: none; border: none; }
        nav ul { display: flex; list-style: none; gap: 25px; }
        nav a { font-weight: 600; padding: 8px 12px; border-radius: 6px; }
        nav a:hover { background: rgba(106, 176, 243, 0.15); }
        .breadcrumb { padding: 12px 0; font-size: 0.9rem; color: #8a9ba8; border-bottom: 1px solid #2a3a4d; margin-bottom: 25px; }
        .breadcrumb a { color: #8a9ba8; }
        .breadcrumb a:hover { color: #ffcc5c; }
        main { flex: 1; padding: 20px 0; display: grid; grid-template-columns: 1fr 300px; gap: 35px; }
        .content { background: rgba(22, 30, 41, 0.8); border-radius: 12px; padding: 30px; border: 1px solid #2a3a4d; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }
        .sidebar { background: rgba(22, 30, 41, 0.8); border-radius: 12px; padding: 25px; border: 1px solid #2a3a4d; align-self: start; position: sticky; top: 120px; }
        .widget { margin-bottom: 30px; }
        .widget h3 { font-size: 1.4rem; margin-bottom: 15px; padding-bottom: 8px; border-bottom: 2px solid #3a4a5d; }
        .search-form { display: flex; }
        .search-form input { flex: 1; padding: 12px 15px; background: #1a2530; border: 1px solid #3a4a5d; border-radius: 8px 0 0 8px; color: #e0e0e0; }
        .search-form button { background: #4da6ff; color: white; border: none; padding: 0 20px; border-radius: 0 8px 8px 0; cursor: pointer; transition: background 0.3s; }
        .search-form button:hover { background: #2a8cff; }
        .rating-stars { display: flex; gap: 5px; font-size: 1.8rem; color: #ffcc5c; margin: 10px 0; }
        .rating-stars i { cursor: pointer; transition: transform 0.2s; }
        .rating-stars i:hover { transform: scale(1.2); }
        .comment-form textarea { width: 100%; height: 120px; padding: 12px; background: #1a2530; border: 1px solid #3a4a5d; border-radius: 8px; color: #e0e0e0; margin-bottom: 10px; resize: vertical; }
        .comment-form button { background: #a3d977; color: #0f1419; border: none; padding: 12px 25px; border-radius: 8px; cursor: pointer; font-weight: 600; transition: background 0.3s; }
        .comment-form button:hover { background: #8bc765; }
        .article-img { width: 100%; max-width: 800px; height: auto; border-radius: 10px; border: 2px solid #4da6ff; margin: 25px auto; display: block; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5); transition: transform 0.4s; }
        .article-img:hover { transform: scale(1.015); }
        .highlight-box { background: linear-gradient(135deg, rgba(29, 78, 137, 0.3), rgba(96, 29, 137, 0.2)); border-left: 5px solid #ffcc5c; padding: 20px; border-radius: 0 10px 10px 0; margin: 25px 0; }
        .link-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; margin: 25px 0; }
        .link-card { background: rgba(42, 58, 77, 0.6); padding: 18px; border-radius: 8px; transition: all 0.3s; border: 1px solid transparent; }
        .link-card:hover { border-color: #6ab0f3; transform: translateY(-5px); background: rgba(42, 58, 77, 0.9); }
        .update-time { text-align: right; font-style: italic; color: #8a9ba8; font-size: 0.95rem; margin-top: 40px; padding-top: 15px; border-top: 1px dashed #3a4a5d; }
        footer { background: rgba(16, 25, 36, 0.95); border-top: 1px solid #2a3a4d; padding: 30px 0; margin-top: 40px; }
        .footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h3 { color: #ffcc5c; font-size: 1.3rem; margin-bottom: 20px; }
        friend-link { display: block; padding: 8px 0; border-bottom: 1px dotted #3a4a5d; }
        friend-link:last-child { border-bottom: none; }
        .copyright { text-align: center; padding-top: 25px; margin-top: 25px; border-top: 1px solid #2a3a4d; color: #8a9ba8; font-size: 0.9rem; }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-top { flex-wrap: wrap; }
            .hamburger { display: block; }
            nav ul { display: none; flex-direction: column; width: 100%; background: rgba(16, 25, 36, 0.98); position: absolute; top: 100%; left: 0; padding: 15px; border-top: 1px solid #2a3a4d; }
            nav.active ul { display: flex; }
            nav ul li { width: 100%; }
            nav a { display: block; padding: 12px; }
            .footer-content { flex-direction: column; }
        }