* { 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: #f8f9fa; }
        a { color: #1a73e8; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #0d47a1; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
        header { background: linear-gradient(135deg, #1a237e 0%, #311b92 100%); 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: 1.8rem; font-weight: bold; color: white; text-transform: uppercase; letter-spacing: 1px; }
        .my-logo:hover { color: #bb86fc; text-decoration: none; }
        nav ul { display: flex; list-style: none; }
        nav ul li { margin-left: 1.5rem; }
        nav ul li a { color: white; font-weight: 500; padding: 0.5rem 0; }
        nav ul li a:hover { color: #bb86fc; }
        .hamburger { display: none; font-size: 1.5rem; background: none; border: none; color: white; cursor: pointer; }
        .breadcrumb { background: #e8eaf6; padding: 0.8rem 0; font-size: 0.9rem; }
        .breadcrumb a { color: #5c6bc0; }
        .breadcrumb a:hover { color: #1a237e; }
        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: #1a237e; margin-bottom: 1.5rem; text-align: center; }
        h2 { font-size: 2rem; color: #311b92; margin-top: 2.5rem; margin-bottom: 1rem; border-left: 5px solid #bb86fc; padding-left: 1rem; }
        h3 { font-size: 1.5rem; color: #5c6bc0; margin-top: 2rem; margin-bottom: 0.8rem; }
        h4 { font-size: 1.2rem; color: #7986cb; margin-top: 1.5rem; margin-bottom: 0.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        strong { color: #1a237e; }
        em { color: #d81b60; }
        .highlight { background: #f3e5f5; padding: 1rem; border-radius: 5px; margin: 1.5rem 0; border-left: 4px solid #9c27b0; }
        .emoji { font-size: 1.2rem; margin-right: 0.3rem; }
        .last-updated { text-align: right; font-style: italic; color: #666; margin-bottom: 2rem; font-size: 0.9rem; }
        .content-image { float: right; margin: 1rem 0 1rem 2rem; border-radius: 8px; box-shadow: 0 4px 8px rgba(0,0,0,0.2); max-width: 400px; }
        .clearfix::after { content: ""; clear: both; display: table; }
        .functional-section { background: #f5f5f5; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
        .functional-section h3 { color: #333; border-left: none; padding-left: 0; }
        form { display: grid; gap: 1rem; }
        input, textarea, select { width: 100%; padding: 0.8rem; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; }
        button { background: #1a73e8; color: white; padding: 0.8rem 1.5rem; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; transition: background 0.3s ease; }
        button:hover { background: #0d47a1; }
        .rating { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .rating input { display: none; }
        .rating label { font-size: 1.5rem; color: #ccc; cursor: pointer; }
        .rating input:checked ~ label { color: #ffc107; }
        footer { background: #1a237e; color: white; padding: 2rem 0; margin-top: 3rem; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
        .footer-section h3 { color: #bb86fc; margin-bottom: 1rem; }
        friend-link { display: block; margin-bottom: 0.5rem; }
        friend-link a { color: #c5cae9; }
        friend-link a:hover { color: white; }
        .copyright { text-align: center; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #3949ab; font-size: 0.9rem; color: #c5cae9; }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav ul { display: none; flex-direction: column; width: 100%; margin-top: 1rem; }
            nav ul.active { display: flex; }
            nav ul li { margin: 0.5rem 0; }
            .hamburger { display: block; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .content-image { float: none; margin: 1rem auto; max-width: 100%; }
            article { padding: 0 1rem; }
        }
        .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
        .card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); transition: transform 0.3s ease; }
        .card:hover { transform: translateY(-5px); }