* { 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, #0a1a2d 0%, #0c2b4b 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #a5d8ff; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 { font-family: 'Georgia', serif; color: #f8c471; margin-bottom: 1rem; font-weight: 700; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; text-align: center; text-shadow: 0 2px 10px rgba(248, 196, 113, 0.3); }
        h2 { font-size: 2.2rem; border-left: 5px solid #4dabf7; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #74b9ff; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #81ecec; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        strong { color: #ffd166; font-weight: 700; }
        em { color: #a5d8ff; font-style: italic; }
        .site-header {
            background: rgba(10, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e5799;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #f8c471;
            text-shadow: 0 0 15px rgba(248, 196, 113, 0.5);
            font-family: 'Trebuchet MS', sans-serif;
            letter-spacing: 1px;
        }
        .my-logo:hover { color: #ffd166; transform: scale(1.05); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #74b9ff;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background: rgba(116, 185, 255, 0.1);
            color: #a5d8ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #74b9ff;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { color: #74b9ff; }
        .breadcrumb span { color: #f8c471; }
        .search-section {
            background: rgba(30, 87, 153, 0.2);
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
            text-align: center;
            border: 1px solid #1e5799;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #4dabf7;
            border-radius: 50px 0 0 50px;
            background: #0a1a2d;
            color: #fff;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(to right, #4dabf7, #1e5799);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #74b9ff, #4dabf7);
            transform: scale(1.05);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .article-content {
            background: rgba(20, 40, 60, 0.7);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2d5987;
        }
        .sidebar {
            background: rgba(20, 40, 60, 0.7);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid #2d5987;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 { color: #f8c471; font-size: 1.5rem; margin-top: 0; }
        .sidebar ul { list-style: none; padding-left: 0; }
        .sidebar li { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed #2d5987; }
        .sidebar a { display: block; padding: 8px; border-radius: 5px; }
        .sidebar a:hover { background: rgba(116, 185, 255, 0.1); }
        .featured-image {
            margin: 30px 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: 15px;
            border: 3px solid #f8c471;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.7);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .image-caption {
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .tip-box {
            background: rgba(255, 209, 102, 0.1);
            border-left: 5px solid #ffd166;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .warning-box {
            background: rgba(255, 107, 107, 0.1);
            border-left: 5px solid #ff6b6b;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .user-interaction {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #2d5987;
        }
        .interaction-form {
            background: rgba(30, 87, 153, 0.2);
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #f8c471;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #4dabf7;
            border-radius: 8px;
            background: #0a1a2d;
            color: #fff;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            margin-bottom: 10px;
        }
        .star-rating .star {
            color: #444;
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffd166;
        }
        .submit-btn {
            background: linear-gradient(to right, #4dabf7, #1e5799);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #74b9ff, #4dabf7);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(116, 185, 255, 0.4);
        }
        .site-footer {
            background: rgba(10, 26, 45, 0.98);
            padding: 40px 0 20px;
            margin-top: 60px;
            border-top: 2px solid #1e5799;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #f8c471;
            font-size: 1.4rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            color: #74b9ff;
            border-bottom: 1px dashed #2d5987;
        }
        friend-link:hover {
            color: #a5d8ff;
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #2d5987;
            color: #aaa;
            font-size: 0.9rem;
            width: 100%;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @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: rgba(10, 26, 45, 0.98); padding: 20px; border-top: 1px solid #1e5799; }
            .main-nav.active ul { display: flex; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .article-content { padding: 25px; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar, .search-section {
            animation: fadeIn 0.8s ease-out;
        }