* { 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%, #c3cfe2 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; line-height: 1.2; text-align: center; }
        h2 { font-size: 2.2rem; border-left: 5px solid #3498db; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #2980b9; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #16a085; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #555; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; }
        .bold { font-weight: 700; color: #2c3e50; }
        .pub-date { font-style: italic; color: #7f8c8d; font-size: 0.95rem; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        main.container { background-color: #fff; box-shadow: 0 5px 30px rgba(0,0,0,0.08); border-radius: 10px; padding: 30px; margin-top: 30px; margin-bottom: 40px; }
        header { background: linear-gradient(90deg, #1a2980, #26d0ce); padding: 1.5rem 0; color: white; }
        .header-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Trebuchet MS', sans-serif;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            background: linear-gradient(to right, #ffd700, #ffed4e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo a:hover { transform: scale(1.03); transition: transform 0.3s; }
        .breadcrumb { padding: 15px 0; background-color: #ecf0f1; }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; }
        .breadcrumb li { margin-right: 10px; font-size: 0.9rem; }
        .breadcrumb li:not(:last-child)::after { content: '>'; margin-left: 10px; color: #7f8c8d; }
        .breadcrumb a { color: #3498db; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-nav { display: flex; align-items: center; }
        .nav-links { display: flex; list-style: none; }
        .nav-links li { margin-left: 25px; }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .nav-links a:hover, .nav-links a.active { background-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
        .hamburger { display: none; font-size: 1.8rem; color: white; cursor: pointer; background: none; border: none; }
        .search-box { margin: 30px 0; text-align: center; }
        .search-form { display: flex; max-width: 600px; margin: 0 auto; }
        .search-input { flex-grow: 1; padding: 15px 20px; font-size: 1.1rem; border: 2px solid #3498db; border-radius: 50px 0 0 50px; outline: none; }
        .search-btn { background: linear-gradient(to right, #3498db, #2ecc71); color: white; border: none; padding: 0 30px; border-radius: 0 50px 50px 0; cursor: pointer; font-size: 1.1rem; transition: all 0.3s; }
        .search-btn:hover { background: linear-gradient(to right, #2980b9, #27ae60); transform: scale(1.05); }
        .article-intro { text-align: center; padding: 30px 0; border-bottom: 2px dashed #bdc3c7; margin-bottom: 40px; }
        .content-section { margin-bottom: 40px; }
        .feature-img { width: 100%; max-height: 500px; object-fit: cover; border-radius: 10px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); margin: 30px auto; }
        .insight-box {
            background: #f8f9fa;
            border-left: 4px solid #e74c3c;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .link-list { list-style: none; margin: 20px 0; }
        .link-list li { margin-bottom: 10px; padding-left: 25px; position: relative; }
        .link-list li:before { content: '🎰'; position: absolute; left: 0; }
        .link-list a { color: #2980b9; text-decoration: none; font-weight: 600; }
        .link-list a:hover { text-decoration: underline; color: #1a5276; }
        .interactive-module {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            border: 1px solid #e0e0e0;
        }
        .module-title { text-align: center; margin-bottom: 25px; color: #2c3e50; }
        .rating-form, .comment-form { display: grid; gap: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #34495e; }
        .form-control { width: 100%; padding: 12px 15px; border: 1px solid #bdc3c7; border-radius: 8px; font-size: 1rem; transition: border 0.3s; }
        .form-control:focus { border-color: #3498db; outline: none; box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2); }
        .stars { display: flex; justify-content: center; gap: 10px; font-size: 2rem; color: #f1c40f; margin: 15px 0; }
        .star { cursor: pointer; transition: transform 0.2s; }
        .star:hover { transform: scale(1.3); }
        .btn-submit {
            background: linear-gradient(to right, #e74c3c, #e67e22);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            justify-self: center;
            min-width: 200px;
        }
        .btn-submit:hover { background: linear-gradient(to right, #c0392b, #d35400); transform: translateY(-3px); box-shadow: 0 7px 14px rgba(231, 76, 60, 0.3); }
        footer { background: #2c3e50; color: #ecf0f1; padding: 40px 0 20px; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
        .footer-section h4 { color: #1abc9c; margin-bottom: 20px; font-size: 1.3rem; }
        friend-link { display: block; margin-bottom: 8px; }
        friend-link a { color: #bdc3c7; text-decoration: none; }
        friend-link a:hover { color: #1abc9c; text-decoration: underline; }
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            .header-container { flex-direction: column; text-align: center; }
            .my-logo { margin-bottom: 15px; }
            .main-nav { width: 100%; justify-content: center; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: rgba(26, 41, 128, 0.95);
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 20px 0;
                border-radius: 0 0 10px 10px;
            }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 10px 0; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 50px; width: 100%; margin-bottom: 10px; }
            .footer-container { grid-template-columns: 1fr; text-align: center; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.6rem; }
            main.container { padding: 20px 15px; }
            .interactive-module { padding: 20px; }
        }