/* =====================================================================
 * 橙谷 · 模板详情页（商品页）专用样式
 * ---------------------------------------------------------------------
 * 参考 WooCommerce 产品页的信息层级：左图集 / 右摘要 → Tab 详情 → 侧栏购买框。
 * 只在 app/app/index/view/cate/detail.html 引入，不影响其他页面。
 * 依赖 style.css 的 :root 变量与 .wrap/.card/.btn 基础类。
 * ===================================================================== */

/* ---------- 商品主区 ---------- */
.pd-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:38px;
  margin:20px auto 8px;align-items:start}
.pd-gallery{min-width:0}
.pd-main{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#1e293b,#334155);aspect-ratio:16/10;box-shadow:var(--shadow)}
.pd-main>img{width:100%;height:100%;object-fit:cover;object-position:top center}
.pd-ph{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:#94a3b8;letter-spacing:2px}
.pd-ph b{font-size:26px;color:#e2e8f0;letter-spacing:3px}
.pd-ph span{font-size:12px}
.pd-thumbs{display:flex;gap:9px;margin-top:11px;flex-wrap:wrap}
.pd-thumb{width:88px;height:60px;padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;
  background:#fff;cursor:pointer;opacity:.72;transition:opacity .15s,border-color .15s}
.pd-thumb:hover{opacity:1}
.pd-thumb.on{border-color:var(--brand);opacity:1}
.pd-thumb img{width:100%;height:100%;object-fit:cover;object-position:top center}
.pd-gallery-tip{font-size:12px;color:var(--muted);margin-top:9px}

.pd-summary{min-width:0}
.pd-cat{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.5px;margin-bottom:9px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pd-cat .tpl-badge{position:static;padding:2px 8px;border-radius:5px;font-size:11px;font-weight:700}
.pd-cat .tpl-badge.free{background:var(--brand);color:#fff}
.pd-cat .tpl-badge.rec{background:var(--brand-soft);color:var(--brand)}
.pd-summary h1{font-size:30px;line-height:1.3;margin-bottom:8px}
.pd-sub{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.pd-price,.buy-box .price{font-size:32px;font-weight:800;color:var(--brand);line-height:1.2}
.pd-price small,.buy-box .price small{font-size:13px;font-weight:500;color:var(--muted)}
.pd-price-tip,.price-tip{font-size:12px;color:var(--muted);margin:4px 0 16px}
.pd-highlights{list-style:none;margin:0 0 20px;padding:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}
.pd-highlights li{position:relative;padding:5px 0 5px 24px;font-size:13px;color:var(--body)}
.pd-highlights li::before{content:"✓";position:absolute;left:2px;top:5px;color:var(--brand);font-weight:800}
.pd-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.pd-actions .btn-lg{min-width:168px}
.pd-trust{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;color:var(--muted);margin-bottom:18px}
.pd-trust span::before{content:"· ";color:var(--brand);font-weight:800}
.pd-quickspec{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 10px}
.pd-quickspec>div{text-align:center;border-right:1px solid var(--line)}
.pd-quickspec>div:last-child{border-right:0}
.pd-quickspec span{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}
.pd-quickspec b{font-size:15px;color:var(--ink)}
.pd-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px;color:var(--muted);margin-top:14px}
.pd-meta b{color:var(--body);font-weight:600}

/* ---------- 详情主体 ---------- */
.pd-body{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:start}
.pd-content{min-width:0}
.pd-side{position:sticky;top:18px}

/* Tab（原详情页使用但公共样式缺失，这里一并补齐） */
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:10px 15px;
  font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button:hover{color:var(--brand)}
.tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}
.tab-panel{display:none}
.tab-panel.on{display:block}
.pd-body .card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}

.pd-h2{font-size:20px;margin:0 0 14px}
.pd-h3{font-size:15px;margin:22px 0 10px}
.pd-prose{font-size:14px;line-height:1.9;color:var(--body)}
.pd-prose h2{font-size:19px;margin:20px 0 10px;padding-left:11px;border-left:3px solid var(--brand)}
.pd-prose h3{font-size:16px;margin:16px 0 8px}
.pd-prose p{margin:0 0 12px}
.pd-prose ul,.pd-prose ol{margin:0 0 14px 20px}
.pd-prose li{margin:5px 0}
.pd-prose img{border-radius:8px;border:1px solid var(--line);margin:10px 0}
.pd-prose table{width:100%;border-collapse:collapse;margin:12px 0}
.pd-prose th,.pd-prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.pd-note{background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:6px;
  padding:11px 14px;font-size:13px;color:var(--body);margin-top:16px}
.pd-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}
.pd-tags span,.meta.pd-tags span{font-size:12px;color:var(--muted);background:#f1f5f9;
  padding:4px 10px;border-radius:5px}

.pd-spec{border-top:1px solid var(--line)}
.pd-spec-row{display:flex;justify-content:space-between;gap:16px;padding:11px 2px;
  border-bottom:1px solid var(--line);font-size:13px}
.pd-spec-row span{color:var(--muted);flex-shrink:0}
.pd-spec-row b{font-weight:600;color:var(--ink);text-align:right;word-break:break-all}
.pd-faq-item{border-bottom:1px solid var(--line);padding:13px 0}
.pd-faq-item:last-child{border-bottom:0}
.pd-faq-item h3{font-size:15px;margin-bottom:6px}
.pd-faq-item h3::before{content:"Q ";color:var(--brand);font-weight:800}
.pd-faq-item p{font-size:13px;color:var(--body);line-height:1.8;margin:0}

.pv-frame{width:100%;height:520px;border:1px solid var(--line);border-radius:10px;background:#fff}

/* ---------- 侧栏购买框 ---------- */
.buy-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow)}
.buy-box .btn{width:100%;margin-bottom:9px;text-align:center}
.buy-box .spec{margin-top:14px;border-top:1px solid var(--line);font-size:12px}
.buy-box .pd-spec-row{padding:8px 0}
.buy-box .pd-spec-row span{font-size:12px}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;padding:15px;transition:transform .18s,box-shadow .18s}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}
.rel-img{height:120px;margin:-15px -15px 11px;overflow:hidden;background:#f1f5f9}
.rel-img img{width:100%;height:100%;object-fit:cover;object-position:top center}
.rel-card b{display:block;font-size:14px;color:var(--ink);margin-bottom:5px}
.rel-card span{font-size:13px;font-weight:700;color:var(--brand)}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .pd-hero{gap:26px}
  .pd-body{grid-template-columns:minmax(0,1fr) 250px;gap:16px}
}
@media(max-width:900px){
  .pd-hero{grid-template-columns:1fr;gap:22px}
  .pd-main{aspect-ratio:16/9}
  .pd-body{grid-template-columns:1fr}
  .pd-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .pd-side .card{margin-top:0}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .pd-hero{margin-top:14px}
  .pd-summary h1{font-size:24px}
  .pd-price,.buy-box .price{font-size:27px}
  .pd-actions .btn-lg{flex:1;min-width:0}
  .pd-quickspec{grid-template-columns:repeat(2,1fr);gap:12px 0}
  .pd-quickspec>div:nth-child(2){border-right:0}
  .pd-side{grid-template-columns:1fr}
  .tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .tabs button{padding:9px 12px;font-size:13px}
  .pd-body .card{padding:16px}
  .pv-frame{height:380px}
  .rel-grid{grid-template-columns:1fr}
  .pd-thumb{width:70px;height:48px}
}