* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2a5db0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            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 {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff9a00, #ff5252);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: #ffca28;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffca28;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e3f2fd;
            padding: 1rem;
            border-bottom: 1px solid #3949ab;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .nav-mobile a:hover {
            background-color: #283593;
            color: #ffca28;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #777;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px dashed #ccc;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .search-section {
            background-color: #fff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 3rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #5c6bc0;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: linear-gradient(to right, #5c6bc0, #3949ab);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #3949ab, #283593);
        }
        .article-body {
            background-color: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 1.5rem;
            }
        }
        .article-body h2 {
            color: #283593;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e8eaf6;
            font-size: 2rem;
        }
        .article-body h3 {
            color: #3949ab;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.6rem;
        }
        .article-body h4 {
            color: #5c6bc0;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.3rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body strong {
            color: #d32f2f;
            font-weight: 700;
        }
        .article-body em {
            background-color: #fffde7;
            padding: 0 3px;
            font-style: italic;
        }
        .article-body blockquote {
            border-left: 5px solid #ffca28;
            background-color: #fffde7;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            font-style: italic;
            color: #5d4037;
        }
        .article-body ul, .article-body ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.8rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-left: 6px solid #7e57c2;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .img-container img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .internal-links {
            background-color: #f5f5f5;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links h4 {
            color: #333;
            margin-bottom: 1rem;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
            list-style: none;
            margin-left: 0;
        }
        .internal-links li::before {
            content: "🔗";
            margin-right: 0.5rem;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-box, .rating-box {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .comment-box h3, .rating-box h3 {
            color: #1a237e;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 1rem;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
        }
        .comment-form button, .rating-form button {
            background-color: #3949ab;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .comment-form button:hover, .rating-form button:hover {
            background-color: #283593;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star {
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffca28;
            transform: scale(1.2);
        }
        .rating-form input[type="hidden"] {
            display: none;
        }
        .site-footer {
            background-color: #1a237e;
            color: #e3f2fd;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffca28;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffca28;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #bbdefb;
        }
        .footer-links a:hover {
            color: #ffca28;
            padding-left: 5px;
            transition: padding 0.3s ease;
        }
        friend-link {
            display: block;
            background-color: #283593;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        friend-link a {
            color: #ffca28;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #90caf9;
        }
        .text-center { text-align: center; }
        .emoji { font-size: 1.2em; }
        .last-updated {
            background-color: #e8f5e9;
            padding: 0.8rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-weight: 600;
            color: #2e7d32;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }