        * { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2a5c8b; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #e63946; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 800; }
        .emoji { font-size: 1.2em; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .last-updated { font-size: 0.9rem; color: #666; font-style: italic; margin-top: 2rem; border-top: 1px dashed #ccc; padding-top: 1rem; }
        .site-header {
            background: linear-gradient(to right, #1e3c72, #2a5298);
            color: white;
            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;
            padding: 1rem 20px;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: -1px;
        }
        .my-logo span:first-child { color: #ffcc00; }
        .my-logo span:last-child { color: #e63946; }
        .my-logo:hover { transform: scale(1.02); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover { color: #ffcc00; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffcc00;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #f1f8ff;
            padding: 0.8rem 20px;
            border-bottom: 1px solid #d1e3f8;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #2a5c8b; }
        .breadcrumb span { color: #666; margin: 0 5px; }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 1.5rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        article h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffcc00;
            padding-bottom: 1rem;
        }
        article h2 {
            font-size: 2rem;
            color: #2a5298;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eaeaea;
        }
        article h3 {
            font-size: 1.6rem;
            color: #e63946;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article img.featured {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            border: 5px solid #f0f8ff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        blockquote {
            border-left: 5px solid #2a5c8b;
            background-color: #f8fbff;
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            border-radius: 0 10px 10px 0;
        }
        .sidebar {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #1e3c72;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .search-form { display: flex; }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #d1e3f8;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus { border-color: #2a5c8b; }
        .search-form button {
            background: #2a5c8b;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s ease;
        }
        .search-form button:hover { background: #1e3c72; }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-form textarea, .comment-form input, .rating-form select {
            padding: 0.8rem;
            border: 2px solid #eaeaea;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .comment-form textarea:focus, .comment-form input:focus, .rating-form select:focus {
            border-color: #2a5c8b;
            outline: none;
        }
        .comment-form textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(to right, #e63946, #d62839);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
        }
        .star-rating { font-size: 1.5rem; color: #ffcc00; margin-bottom: 0.5rem; }
        .related-links ul {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li::before {
            content: '▶';
            color: #e63946;
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .related-links a { font-weight: 600; }
        footer {
            background: #1a1a2e;
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul { list-style: none; padding-left: 0; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #aaa; }
        .footer-links a:hover { color: #fff; }
        friend-link {
            display: block;
            background: #252547;
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 4px solid #ffcc00;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active { max-height: 400px; margin-top: 1rem; }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            .main-nav a { display: block; padding: 1rem; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.8rem; }
            article { padding: 1.5rem; }
            .sidebar { position: static; }
        }
