        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            max-width: 100vw;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a5276;
            border-bottom: 3px solid #f39c12;
            padding-bottom: 0.5rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2874a6;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #3498db;
        }
        h3 {
            font-size: 1.8rem;
            color: #3498db;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #5dade2;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a5276 0%, #2c3e50 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;
            text-decoration: none;
            color: #f39c12;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.02);
            transition: transform 0.3s ease;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        nav a:hover {
            background-color: #f39c12;
            color: #2c3e50;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #ecf0f1;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            background-color: white;
            padding: 2rem 0;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 8px;
            margin: 1.5rem auto;
        }
        .article-content {
            padding: 0 2rem;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.005);
        }
        .interaction-module {
            background-color: #f8f9fa;
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .interaction-module h3 {
            margin-top: 0;
            color: #2c3e50;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        button[type="submit"] {
            background: linear-gradient(to right, #3498db, #2c3e50);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 4px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button[type="submit"]:hover {
            background: linear-gradient(to right, #2980b9, #1a5276);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #f39c12;
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #f1c40f;
            margin: 2rem 0;
        }
        .insider-tip {
            background-color: #e8f4fc;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .insider-tip i {
            color: #3498db;
            font-size: 1.5rem;
            margin-top: 0.2rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-item {
            background-color: #f8f9fa;
            padding: 1.2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .link-item:hover {
            background-color: #e3f2fd;
            transform: translateY(-3px);
        }
        .link-item a {
            color: #1a5276;
            text-decoration: none;
            font-weight: 600;
        }
        .link-item a:hover {
            text-decoration: underline;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-box {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 5px 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .stat-box:hover {
            transform: translateY(-5px);
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: #3498db;
            display: block;
        }
        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #f39c12;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: #f39c12;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: 4px;
        }
        friend-link a {
            color: #3498db;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .update-time {
            background-color: #fff3cd;
            color: #856404;
            padding: 0.8rem;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-container { flex-direction: column; gap: 1rem; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            nav.active ul {
                display: flex;
            }
            .article-content { padding: 0 1rem; }
            .link-list { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            html { font-size: 14px; }
            h1 { font-size: 2rem; }
            .my-logo { font-size: 1.8rem; }
            .featured-image { max-height: 300px; }
        }
        @media print {
            header, footer, .interaction-module, .breadcrumb { display: none; }
            body { background: white; color: black; }
            .container { max-width: 100%; padding: 0; }
            main { box-shadow: none; margin: 0; }
        }
