* {
            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-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #0d3b66 0%, #1a5f9e 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Arial Black', sans-serif;
            letter-spacing: -1px;
        }
        .my-logo span:first-child { color: #4CAF50; }
        .my-logo span:last-child { color: #FFD700; }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a { color: #6c757d; }
        .breadcrumb span { color: #495057; }
        .container {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 350px);
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        main {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #0d3b66;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #FFD700;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #1a5f9e;
            margin: 2.5rem 0 1.2rem;
            padding-top: 0.5rem;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c7ac9;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background-color: #f0f8ff;
            padding: 1.5rem;
            border-left: 5px solid #1a5f9e;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        strong {
            color: #0d3b66;
            font-weight: 700;
        }
        em {
            color: #d35400;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.8rem;
            border-radius: 10px;
            border-left: 6px solid #4CAF50;
            margin: 2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: #fff;
            border: 1px solid #ddd;
            border-top: 5px solid #1a5f9e;
            padding: 1.5rem;
            text-align: center;
            border-radius: 8px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: #0d3b66;
            display: block;
            line-height: 1;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 1px solid #ccc;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #fff8e1;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: #856404;
            border: 1px dashed #ffc107;
        }
        .interactive-module {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            padding: 1.8rem;
            margin: 2.5rem 0;
        }
        .interactive-module h3 {
            margin-top: 0;
            color: #1a5f9e;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #1a5f9e;
            box-shadow: 0 0 0 3px rgba(26, 95, 158, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #1a5f9e, #0d3b66);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #0d3b66, #1a5f9e);
            transform: scale(1.03);
            text-decoration: none;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #FFD700;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h4 {
            background-color: #1a5f9e;
            color: white;
            padding: 0.8rem 1rem;
            border-radius: 6px 6px 0 0;
            margin: 0 -1rem 1rem;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #444;
        }
        .link-list a:hover {
            color: #1a5f9e;
            text-decoration: none;
        }
        .link-list i {
            color: #1a5f9e;
        }
        .site-footer {
            background: #1c1c1c;
            color: #ddd;
            padding: 3rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            background: #2c2c2c;
            padding: 1.2rem;
            margin-bottom: 1rem;
            border-radius: 6px;
            color: #4CAF50;
            font-weight: 600;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: #3c3c3c;
            text-decoration: none;
            color: #4CAF50;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav-toggle { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                background: rgba(13, 59, 102, 0.98);
                padding: 1rem;
                border-radius: 8px;
            }
            .main-nav.active { display: flex; }
            .container { padding: 0 1rem; }
            main { padding: 1.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .lead { font-size: 1.1rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, aside {
            animation: fadeIn 0.8s ease-out;
        }