.psb{--ink:#0f1b3d;--muted:#5b6478;--line:#d9e0ea;--tint:#eef3f9;--green:#1b7a3a;--yellow:#f6cf1d;--blue:#1f3a8a;
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);max-width:1100px;margin:0 auto;padding:16px;box-sizing:border-box}
.psb *{box-sizing:border-box}
.psb-crumbs{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px}
.psb-crumbs a{color:var(--muted);text-decoration:none}.psb-crumbs a:hover{text-decoration:underline}
.psb-crumbs strong{color:var(--ink);font-weight:600}
.psb-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;align-items:start}
.psb-main{aspect-ratio:1/1;border:1px solid var(--line);border-radius:14px;background:repeating-linear-gradient(135deg,#f3f6fa 0 10px,#e9eef5 10px 20px);position:relative;overflow:hidden}
.psb-slide{position:absolute;inset:0;display:none;align-items:center;justify-content:center}
.psb-slide.is-active{display:flex}
.psb-slide img{width:100%;height:100%;object-fit:contain;background:#fff}
.psb-ph{font:12px ui-monospace,Menlo,monospace;background:#fff;padding:3px 8px;color:var(--muted)}
.psb-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.psb-thumb{aspect-ratio:1/1;border:1px solid var(--line);border-radius:10px;background:repeating-linear-gradient(135deg,#f3f6fa 0 8px,#e9eef5 8px 16px);cursor:pointer;padding:0;overflow:hidden;font:11px ui-monospace,Menlo,monospace;color:var(--muted)}
.psb-thumb img{width:100%;height:100%;object-fit:cover}
.psb-thumb.is-active{border:2px solid var(--blue)}
.psb-thumb:focus-visible,.psb-add:focus-visible,.psb-qty button:focus-visible,.psb-pack:focus-within{outline:3px solid #7aa2ff;outline-offset:2px}
.psb-badges{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.psb-badge{font-size:11px;font-weight:600;padding:4px 9px;border-radius:5px}
.psb-rx{background:#fde8e6;color:#b3261e}.psb-stock{background:#e0f4e6;color:var(--green)}.psb-out{background:#eee;color:#666}
.psb-sub{margin:0 0 6px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.psb-title{margin:0 0 16px;font-size:clamp(24px,3.2vw,34px);line-height:1.18;font-weight:800;color:var(--ink)}
.psb-details{display:grid;grid-template-columns:110px 1fr;gap:6px 14px;margin:0 0 22px;font-size:13px}
.psb-details dt{color:var(--muted);margin:0}.psb-details dd{margin:0}
.psb-packs{border:0;padding:0;margin:0 0 16px;display:grid;gap:10px}
.psb-packs legend{font-size:13px;font-weight:600;margin-bottom:10px;padding:0}
.psb-pack{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;background:#fff}
.psb-pack:has(input:checked){border:2px solid var(--blue);background:#f3f8fd;padding:11px 13px}
.psb-pack input{accent-color:var(--blue);width:16px;height:16px;margin:0}
.psb-pack-l{display:flex;flex-direction:column;flex:1}.psb-pack-l small{font-size:11px;color:var(--muted)}
.psb-pack-r{display:flex;flex-direction:column;align-items:flex-end}
.psb-pack-r strong{color:var(--green);font-size:15px}.psb-pack-r em{font-style:normal;font-size:10.5px;font-weight:600;color:#c0392b}
.psb-buy{display:flex;gap:12px}
.psb-qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:var(--tint);overflow:hidden}
.psb-qty button{width:38px;height:48px;border:0;background:transparent;font-size:18px;cursor:pointer;color:var(--ink)}
.psb-qty input{width:46px;height:48px;border:0;text-align:center;font-size:14px;background:#fff;-moz-appearance:textfield;margin:0;padding:0;border-radius:0}
.psb-qty input::-webkit-outer-spin-button,.psb-qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.psb-add{flex:1;height:48px;border:0;border-radius:10px;background:var(--yellow);color:#111;font-weight:700;font-size:15px;cursor:pointer}
.psb-add:hover{filter:brightness(.96)}.psb-add:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:820px){.psb-grid{grid-template-columns:1fr}.psb-details{grid-template-columns:100px 1fr}}