.pt-page * { box-sizing: border-box; }
    .pt-page { margin: 0; font-family: Arial, Helvetica, sans-serif; color: #1f2937; background: #f8fafc; line-height: 1.65; }
    .pt-page a { color: #1d4ed8; text-decoration: none; }
    .pt-page a:hover { text-decoration: underline; }
    .pt-page img { max-width: 100%; height: auto; }
    .pt-page table { font-size: 15px; }
    .pt-page h1, .pt-page h2, .pt-page h3 { color: #111827; line-height: 1.25; }
    .pt-page p, .pt-page li, .pt-page td, .pt-page th, .pt-page summary, .pt-page span { font-size: 16px; }