* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background: #f9f9f9; }
        a { text-decoration: none; color: #1a73e8; transition: color 0.3s; }
        a:hover { color: #0d47a1; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: linear-gradient(135deg, #2c3e50, #4a6491); color: white; padding: 1rem 0; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
        .header-content { display: flex; justify-content: space-between; align-items: center; }
        .my-logo { font-size: 2rem; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; color: #ff9800; }
        .my-logo:hover { color: #ff5722; }
        nav { display: flex; align-items: center; }
        .nav-links { display: flex; list-style: none; }
        .nav-links li { margin-left: 1.5rem; }
        .nav-links a { color: white; font-weight: 500; padding: 0.5rem 0; }
        .nav-links a:hover { border-bottom: 2px solid #ff9800; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; }
        .breadcrumb { padding: 1rem 0; background: #eaeaea; font-size: 0.9rem; }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #1a73e8; }
        main { padding: 2rem 0; background: white; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-top: 1rem; }
        article { padding: 0 2rem; }
        h1 { font-size: 2.8rem; color: #2c3e50; margin-bottom: 1.5rem; border-bottom: 3px solid #ff9800; padding-bottom: 0.5rem; }
        h2 { font-size: 2rem; color: #34495e; margin: 2rem 0 1rem; }
        h3 { font-size: 1.5rem; color: #4a6572; margin: 1.5rem 0 0.8rem; }
        h4 { font-size: 1.2rem; color: #555; margin: 1rem 0 0.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        .highlight { background: #fffacd; padding: 1rem; border-left: 4px solid #ff9800; margin: 1.5rem 0; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .link-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; margin: 2rem 0; }
        .link-list a { display: block; padding: 0.8rem; background: #f1f8ff; border: 1px solid #c2e0ff; border-radius: 5px; }
        .link-list a:hover { background: #d4edff; }
        .image-wrap { text-align: center; margin: 2rem 0; }
        .image-wrap img { border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        .last-updated { font-style: italic; color: #777; margin-top: 2rem; padding-top: 1rem; border-top: 1px dashed #ccc; }
        .form-section { margin: 3rem 0; padding: 2rem; background: #f8f9fa; border-radius: 10px; }
        form { display: flex; flex-direction: column; gap: 1rem; }
        input, textarea, select { padding: 0.8rem; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem; }
        button { padding: 0.8rem 1.5rem; background: #1a73e8; color: white; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; transition: background 0.3s; }
        button:hover { background: #0d47a1; }
        .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
        footer { background: #2c3e50; color: white; padding: 2rem 0; margin-top: 3rem; }
        .footer-content { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
        .footer-links h3 { color: #ff9800; }
        friend-link { display: block; margin: 0.5rem 0; color: #c2e0ff; }
        friend-link:hover { color: white; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #4a6572; margin-top: 1.5rem; font-size: 0.9rem; color: #aaa; }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; }
            .nav-links { flex-direction: column; width: 100%; display: none; }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 0.5rem 0; }
            .hamburger { display: block; align-self: flex-end; margin-top: -2.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .form-grid { grid-template-columns: 1fr; }
            .link-list { grid-template-columns: 1fr; }
        }