* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        header {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1rem 2rem;
            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;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFD700;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            transition: transform 0.3s ease, color 0.3s ease;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #FFFFFF;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #FFD700;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .breadcrumb a:hover {
            color: white;
            text-decoration: underline;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        article {
            padding: 3rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 3px solid #FFD700;
            padding-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.4rem;
            color: #2a5298;
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 5px solid #FFD700;
        }
        h3 {
            font-size: 1.8rem;
            color: #3a6bc9;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #4a7fd6;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            padding: 0 0.5rem;
        }
        .highlight {
            background-color: #FFFACD;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2rem;
            margin: 0 0.3rem;
        }
        .update-time {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-bottom: 2rem;
            font-size: 1rem;
            padding: 0.8rem;
            background-color: #f8f9fa;
            border-radius: 5px;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .content-block {
            margin: 2rem 0;
            padding: 1.5rem;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 10px;
            border-left: 4px solid #1e3c72;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: transform 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .interactive-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .form-container {
            background: rgba(255, 255, 255, 0.95);
            padding: 2rem;
            border-radius: 10px;
            color: #333;
        }
        .form-container h3 {
            color: #1e3c72;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        form input, form select, form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1.2rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        form input:focus, form select:focus, form textarea:focus {
            border-color: #1e3c72;
            outline: none;
            box-shadow: 0 0 5px rgba(30, 60, 114, 0.3);
        }
        form button {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            border: none;
            padding: 1.2rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.8rem;
        }
        form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            background: linear-gradient(90deg, #2a5298 0%, #3a6bc9 100%);
        }
        footer {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: #FFD700;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        friend-link a:hover {
            color: white;
            background-color: rgba(255, 215, 0, 0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; gap: 1rem; }
            .main-nav { 
                flex-direction: column; 
                width: 100%;
                display: none;
            }
            .main-nav.active { display: flex; }
            .hamburger { display: block; }
            .breadcrumb { text-align: center; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            main { padding: 0 1rem; margin: 1rem auto; }
            article { padding: 1.5rem; }
            .interactive-section { padding: 1.5rem; }
            .form-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .my-logo { font-size: 1.8rem; }
            .featured-image { max-height: 300px; }
            .content-block { padding: 1rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .interactive-section, .hamburger, form { display: none; }
            body { background: white; }
            main { box-shadow: none; margin: 0; }
            footer { background: #1e3c72; }
        }