/* ChinaHub — Products page v4 */
:root{
  --chp-accent:#FF6A00;
  --chp-accent-2:#FF4D00;
  --chp-accent-soft:#FFF1E8;
  --chp-text:#111827;
  --chp-sub:#6B7280;
  --chp-line:#E5E7EB;
  --chp-bg:#EEF1F4;
  --chp-card:#FFFFFF;
  --chp-green:#15803D;
  --chp-blue:#1565C0;
  --chp-danger:#E53935;
  --chp-shadow:0 6px 22px rgba(17,24,39,.06);
  --chp-shadow-lg:0 16px 40px rgba(17,24,39,.12);
}

#chpFlash{
  display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 16px;
  background:#111;border-bottom:2px solid var(--chp-accent);overflow:hidden;white-space:nowrap;color:#fff
}
.chp-fp{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(90deg,var(--chp-accent),#D32F2F);padding:4px 12px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:1px;text-transform:uppercase}
.chp-fp-pulse{display:inline-block;animation:chpPulse .9s ease infinite}
.chp-fl{font-size:11px;color:#d1d5db}
.chp-ft{display:flex;align-items:center;gap:4px}
.chp-fu{min-width:30px;padding:3px 7px;border-radius:6px;background:#1f2937;border:1px solid #374151;color:#fff;font-size:13px;font-weight:900;text-align:center;font-variant-numeric:tabular-nums}
.chp-fsp{font-weight:900;color:#9CA3AF}
@keyframes chpPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}

#chpCats{
  position:sticky;top:52px;z-index:705;background:#fff;border-bottom:1px solid var(--chp-line);
}
@media (min-width:769px){#chpCats{top:68px}}
.chp-cats-inner{
  max-width:1600px;margin:0 auto;padding:10px 12px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch
}
.chp-cats-inner::-webkit-scrollbar{display:none}
.chp-cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--chp-line);color:#374151;text-decoration:none;font-size:12px;font-weight:800;transition:.15s
}
.chp-cat-pill:hover,.chp-cat-pill.is-active{border-color:#ffc7a7;background:var(--chp-accent-soft);color:#C2410C}

#chpFbar{
  position:sticky;top:105px;z-index:700;background:#fff;border-bottom:1px solid var(--chp-line);box-shadow:0 2px 8px rgba(0,0,0,.04)
}
@media (min-width:769px){#chpFbar{top:121px}}
.chp-fb-inner{max-width:1600px;margin:0 auto;padding:9px 12px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chp-fb-inner::-webkit-scrollbar{display:none}
.chp-fbs{position:relative;flex:0 0 190px}
.chp-fbs input{width:100%;height:36px;border:1.5px solid var(--chp-line);border-radius:999px;background:#F9FAFB;padding:0 14px 0 34px;font:inherit;font-size:12px;outline:none;color:var(--chp-text)}
[dir=rtl] .chp-fbs input{padding:0 34px 0 14px}
.chp-fbs input:focus{border-color:#ffb085;background:#fff}
.chp-fbs-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:12px;color:#9CA3AF;pointer-events:none}
[dir=rtl] .chp-fbs-ico{left:auto;right:12px}
.chp-fbd{width:1px;height:20px;background:var(--chp-line);flex:0 0 auto;margin:0 2px}
.chp-pill,label.chp-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:4px;height:36px;padding:0 13px;border-radius:999px;border:1.5px solid var(--chp-line);background:#fff;color:#4B5563;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.15s
}
.chp-pill:hover,.chp-pill.on,label.chp-pill:has(input:checked){border-color:#ffc7a7;background:var(--chp-accent-soft);color:#C2410C}
.chp-pill .arr{font-size:9px;opacity:.55}
label.chp-pill input{display:none}
.chp-sort{height:36px;border:1.5px solid var(--chp-line);border-radius:999px;padding:0 12px;background:#fff;font:inherit;font-size:12px;font-weight:700;color:#4B5563;outline:none}
.chp-sort:focus{border-color:#ffb085}
.chp-fbc{margin-inline-start:auto;font-size:11px;color:#9CA3AF;white-space:nowrap}
.chp-fbc b{color:#111;font-weight:900}
.chp-drop{position:relative}
.chp-panel{display:none;position:absolute;top:calc(100% + 8px);inset-inline-start:0;min-width:210px;padding:14px;background:#fff;border:1px solid var(--chp-line);border-radius:16px;box-shadow:var(--chp-shadow-lg);z-index:900}
.chp-panel.open{display:block;animation:chpInPanel .12s ease}
@keyframes chpInPanel{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.chp-panel-title{font-size:10px;font-weight:900;color:#9CA3AF;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.chp-scroll{max-height:220px;overflow:auto;display:flex;flex-direction:column;gap:6px}
.chp-plabel,.chp-rat-opt{display:flex;align-items:center;gap:8px;font-size:12px;color:#374151;cursor:pointer}
.chp-plabel input,.chp-rat-opt input{accent-color:var(--chp-accent)}
.chp-pr-row{display:flex;align-items:center;gap:6px}
.chp-pr-row input{flex:1 1 0;height:36px;border:1.5px solid var(--chp-line);border-radius:10px;padding:0 10px;font:inherit;font-size:12px;outline:none}
.chp-pr-row input:focus{border-color:#ffb085}
.chp-pr-row span{color:#9CA3AF}
.chp-apply{width:100%;height:38px;margin-top:10px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--chp-accent),var(--chp-accent-2));color:#fff;font:inherit;font-size:12px;font-weight:900;cursor:pointer}

#chpWrap{max-width:1600px;margin:0 auto;padding:12px 8px 80px;background:var(--chp-bg);min-height:70vh}
.chp-headline{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:8px 6px 14px}
.chp-title-block h1{font-size:28px;line-height:1;font-weight:950;color:#111827;margin:0 0 6px}
.chp-title-block p{margin:0;font-size:13px;color:var(--chp-sub)}
.chp-stat-chips{display:flex;flex-wrap:wrap;gap:8px}
.chp-stat{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--chp-line);font-size:11px;font-weight:800;color:#374151;box-shadow:var(--chp-shadow)}

#chpGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
@media (min-width:520px){#chpGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:768px){#chpGrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}}
@media (min-width:1040px){#chpGrid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media (min-width:1280px){#chpGrid{grid-template-columns:repeat(6,minmax(0,1fr))}}

.chp-card{display:flex;flex-direction:column;position:relative;background:var(--chp-card);border-radius:16px;overflow:hidden;border:1px solid #EAECEF;box-shadow:0 2px 10px rgba(17,24,39,.05);transition:transform .16s ease,box-shadow .16s ease;cursor:pointer;min-width:0}
.chp-card:hover{transform:translateY(-2px);box-shadow:var(--chp-shadow-lg)}
.chp-img{position:relative;width:100%;padding-top:100%;background:#F3F4F6;overflow:hidden}
.chp-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.chp-card:hover .chp-img img{transform:scale(1.04)}
.chp-bdgs{position:absolute;top:8px;inset-inline-start:8px;display:flex;flex-direction:column;gap:5px;z-index:3;pointer-events:none}
.chp-b{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border-radius:999px;font-size:9px;font-weight:900;line-height:1;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.12);white-space:nowrap}
.chp-b-flash{background:linear-gradient(135deg,var(--chp-accent),#D32F2F)}
.chp-b-best{background:#F59E0B;color:#4A2500}
.chp-b-hot{background:#DC2626}
.chp-b-trend{background:#7C3AED}
.chp-b-new{background:#059669}
.chp-b-disc{background:#111827}
.chp-wish,.chp-cart{position:absolute;z-index:4;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer}
.chp-wish{top:8px;inset-inline-end:8px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.94);box-shadow:0 4px 12px rgba(0,0,0,.12)}
.chp-wish.on svg{fill:#FF3B30;stroke:#FF3B30}
.chp-fast{position:absolute;left:0;right:0;bottom:0;padding:18px 9px 6px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.68));color:#fff;font-size:9px;font-weight:900;letter-spacing:.02em;text-transform:uppercase;z-index:2}
.chp-cart{bottom:8px;inset-inline-end:8px;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--chp-accent),var(--chp-accent-2));border:2px solid #fff;box-shadow:0 8px 18px rgba(255,106,0,.32)}
.chp-cart.done{background:#16A34A}
.chp-cart.busy{opacity:.6;pointer-events:none}
.chp-body{display:flex;flex-direction:column;gap:4px;padding:9px 10px 11px;min-width:0;flex:1}
.chp-cat{font-size:10px;font-weight:800;color:#C2410C;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chp-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:34px;color:#111827;text-decoration:none;font-size:12.5px;line-height:1.35;font-weight:700}
.chp-title:hover{color:#C2410C}
.chp-stars{display:flex;align-items:center;gap:1px;min-height:16px}
.chp-sf,.chp-sh,.chp-se{font-size:11px;font-style:normal}
.chp-sf,.chp-sh{color:#FFB800}.chp-sh{opacity:.45}.chp-se{color:#D1D5DB}
.chp-rv{font-size:10.5px;font-weight:800;color:#374151;margin-inline-start:3px}.chp-rc{font-size:10px;color:#9CA3AF}
.chp-price-new{font-size:18px;font-weight:950;line-height:1;color:#111827;letter-spacing:-.03em}
.chp-price-row{display:flex;align-items:center;gap:6px;min-height:16px}
.chp-price-old{font-size:10.5px;color:#9CA3AF;text-decoration:line-through}
.chp-disc-pct{padding:2px 6px;border-radius:999px;background:#FEE2E2;color:#B91C1C;font-size:9px;font-weight:900}
.chp-sold{display:flex;align-items:center;gap:4px;font-size:10px;color:#6B7280;min-height:16px}.chp-sold strong{color:#374151}
.chp-scar{display:flex;align-items:center;gap:4px;font-size:10px;font-weight:900;color:#C2410C;min-height:16px}
.chp-sdot{width:6px;height:6px;border-radius:50%;background:#FF6A00;animation:chpBlink .95s infinite}
@keyframes chpBlink{0%,100%{opacity:1}50%{opacity:.18}}
.chp-trust{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:18px}
.chp-ver,.chp-free{display:inline-flex;align-items:center;gap:3px;font-size:10px;font-weight:800}
.chp-ver{color:var(--chp-green)}.chp-free{color:var(--chp-blue)}

.chp-empty{grid-column:1/-1;text-align:center;padding:72px 20px;border:1px dashed #CBD5E1;border-radius:20px;background:#fff;color:#94A3B8}
.chp-empty .ei{font-size:46px;margin-bottom:10px}.chp-empty h3{font-size:18px;font-weight:900;color:#6B7280;margin-bottom:8px}

#chpSentinel{height:54px;display:flex;align-items:center;justify-content:center}
#chpSpinner{display:none;width:26px;height:26px;border:3px solid #E5E7EB;border-top-color:var(--chp-accent);border-radius:50%;animation:chpSpin .7s linear infinite}
#chpSpinner.show{display:block}
@keyframes chpSpin{to{transform:rotate(360deg)}}

#chpToast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);padding:11px 18px;border-radius:999px;background:rgba(17,24,39,.92);color:#fff;font-size:12px;font-weight:800;box-shadow:var(--chp-shadow-lg);opacity:0;pointer-events:none;transition:opacity .18s ease;z-index:9999}
#chpToast.show{opacity:1}

@media (max-width:767px){
  .chp-headline{flex-direction:column;align-items:flex-start}
  .chp-title-block h1{font-size:22px}
  .chp-title-block p{font-size:12px}
  .chp-fbs{flex-basis:160px}
  .chp-fbc{display:none}
}