body { font-family: Arial, Helvetica, sans-serif; margin:0; padding:0; color:#111; line-height:1.6; }
    img { max-width:100%; display:block; border-radius:12px; }
    h1,h2,h3,h4 { margin:0 0 15px 0; }
    p { margin:0 0 20px 0; color:#555; }
    .container { max-width:1200px; margin:0 auto; padding:0 20px; }
    .flex-wrap { display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between; }
    .flex-item { flex:1; min-width:280px; text-align:center; }
    @media (max-width:768px) {
      .flex-item { width:100% !important; }
      .flex-wrap { gap:20px !important; }
    }