* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        a { color: #4a6ee0; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #ff7bac; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 0 4px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #ffdd40; }
        .my-logo span { background: linear-gradient(to right, #ffdd40, #ff7bac); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffdd40;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #6a11cb;
                padding: 1rem;
                display: none;
                box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            }
            nav ul.active { display: flex; }
            nav ul li { width: 100%; text-align: center; }
            nav ul li a { display: block; padding: 12px; }
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f1f1f1;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #4a6ee0; }
        .breadcrumb span { color: #999; }
        .search-bar {
            background-color: #fff;
            padding: 2rem;
            margin: 2rem auto;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            max-width: 800px;
        }
        .search-bar h3 { margin-bottom: 1rem; color: #444; }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-form button {
            padding: 0 25px;
            background: linear-gradient(to right, #4a6ee0, #6a11cb);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            background: linear-gradient(to right, #6a11cb, #4a6ee0);
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin: 2rem auto;
        }
        article { padding: 0 2rem; }
        h1 {
            font-size: 2.8rem;
            color: #2d3748;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            padding-top: 1rem;
        }
        .last-updated {
            text-align: center;
            color: #718096;
            font-style: italic;
            margin-bottom: 3rem;
            font-size: 0.95rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a5568;
            margin: 3rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid #e2e8f0;
        }
        h3 {
            font-size: 1.6rem;
            color: #2d3748;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            color: #444;
            text-align: justify;
        }
        .content-img {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .content-img figcaption {
            text-align: center;
            padding: 10px;
            font-style: italic;
            color: #666;
            background-color: #f8f9fa;
        }
        .internal-links {
            background-color: #f0f7ff;
            border-left: 5px solid #4a6ee0;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .internal-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
        }
        .internal-links li { padding: 5px 0; }
        .internal-links a { font-weight: 600; }
        .rating-widget, .comment-widget {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 1px solid #e2e8f0;
        }
        .rating-widget h3, .comment-widget h3 { margin-top: 0; }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover { color: #ffc107; }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .form-row input {
            flex: 1;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
        }
        .submit-btn {
            padding: 12px 30px;
            background: linear-gradient(to right, #10b981, #3b82f6);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }
        footer {
            background-color: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fff;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            color: #cbd5e0;
            border-bottom: 1px solid #4a5568;
        }
        friend-link:hover {
            color: #fff;
            padding-left: 5px;
            border-color: #6a11cb;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }