/* extracted from public/product.html */

/* ================= gallery ================= */
.gallery{position:relative}
.stage{position:relative;aspect-ratio:1/1;background:var(--steel-bg);border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:crosshair}
.stage img{width:100%;height:100%;object-fit:cover;display:block}
.lens{position:absolute;width:150px;height:150px;background:rgba(232,119,34,.16);border:1.5px solid rgba(232,119,34,.65);pointer-events:none;display:none;z-index:5}
.zoom-pane{position:absolute;left:calc(100% + 14px);top:0;width:390px;height:390px;background:#fff no-repeat;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);z-index:40;display:none}
.ghint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(9,26,40,.7);color:#fff;font-size:12px;padding:6px 14px;border-radius:20px;pointer-events:none;opacity:0;transition:.2s}
.stage:hover .ghint{opacity:1}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:74px;height:74px;border-radius:9px;border:2px solid var(--line);background:center/cover no-repeat;cursor:pointer;transition:.18s;flex:0 0 auto}
.thumb:hover{border-color:var(--steel-md)}
.thumb.on{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,119,34,.16)}
.gnote{font-size:12.5px;color:var(--gray);margin-top:12px}

/* ================= buy box ================= */
.pv{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}
.pv-top{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pv-top .tag{background:var(--accent);color:#fff}
.pv-h1{font-size:clamp(24px,3vw,34px);line-height:1.22;font-weight:800;color:var(--steel-dk);margin-bottom:10px}
.pv-tag{font-size:15.5px;color:var(--gray);line-height:1.65;margin-bottom:18px}
.pv-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:20px}
.pv-meta div{background:#fff;padding:12px 14px}
.pv-meta .mk{display:block;font-size:11.5px;color:var(--gray);letter-spacing:.6px;margin-bottom:3px}
.pv-meta .mv{display:block;font-size:14px;font-weight:700;color:var(--steel-dk)}

.price-box{background:linear-gradient(120deg,#0C2438 0%,#1E5080 100%);border-radius:12px;padding:18px 20px;color:#fff;margin-bottom:22px}
.price-box .pl{font-size:12.5px;color:rgba(255,255,255,.66);letter-spacing:.6px}
.price-box .pn{font-size:clamp(26px,3.2vw,36px);font-weight:800;color:#FFB267;line-height:1.2;margin:4px 0 6px}
.price-box .pd{font-size:13px;color:rgba(255,255,255,.78);line-height:1.55}

.opt{margin-bottom:16px}
.opt-t{font-size:13.5px;font-weight:700;color:var(--steel-dk);margin-bottom:9px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:8px;padding:8px 15px;font-size:13.5px;font-weight:600;color:var(--gray);cursor:pointer;transition:.16s;line-height:1.3}
.chip:hover{border-color:var(--steel-md);color:var(--steel-dk)}
.chip.on{border-color:var(--accent);background:rgba(232,119,34,.08);color:var(--accent-dk)}

.selbar{background:var(--steel-bg);border-radius:9px;padding:11px 14px;font-size:13.5px;color:var(--steel-dk);margin-bottom:18px;line-height:1.6}
.selbar b{color:var(--accent-dk)}

.buyrow{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.qty{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.qty button{width:38px;height:44px;border:0;background:#fff;font-size:18px;font-weight:700;color:var(--steel-dk);cursor:pointer}
.qty button:hover{background:var(--steel-bg)}
.qty input{width:72px;height:44px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-size:15px;font-weight:700;color:var(--ink);-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.unit{border:1.5px solid var(--line);border-radius:8px;height:44px;padding:0 10px;font-size:14px;font-weight:600;color:var(--ink);background:#fff}
.buybtns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.buybtns .btn{padding:15px 26px}

.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px;border-top:1px solid var(--line);padding-top:18px}
.svc div{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--gray);line-height:1.5}
.svc svg{width:17px;height:17px;stroke:#2E9E5B;fill:none;stroke-width:2.4;flex:0 0 auto;margin-top:2px}

/* ================= tabs ================= */
.tabs-w{padding:0 0 20px;border-bottom:1px solid var(--line);position:sticky;top:var(--hd);background:#fff;z-index:30}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:transparent;padding:16px 20px;font-size:15px;font-weight:700;color:var(--gray);cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent;transition:.18s}
.tab:hover{color:var(--steel-dk)}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}
.pane{display:none;padding:44px 0 10px}
.pane.on{display:block}
.pane h3{font-size:20px;color:var(--steel-dk);font-weight:750;margin-bottom:14px}
.pane p{color:var(--gray);line-height:1.85;margin-bottom:14px;font-size:15px}
.pfig{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:26px 0}
.pfig figure{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.pfig img{width:100%;height:230px;object-fit:cover}
.pfig figcaption{font-size:12.5px;color:var(--gray);padding:10px 14px;border-top:1px solid var(--line);line-height:1.5}

/* spec table */
.sptable{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.sptable tr:nth-child(odd){background:var(--steel-bg)}
.sptable td{padding:13px 18px;font-size:14.5px;border-bottom:1px solid var(--line);line-height:1.6}
.sptable td:first-child{width:38%;font-weight:700;color:var(--steel-dk)}
.sptable tr:last-child td{border-bottom:0}

/* process timeline */
.proc{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px}
.pstep{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 18px;position:relative}
.pstep .pn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:800;margin-bottom:11px}
.pstep h4{font-size:15.5px;color:var(--steel-dk);margin-bottom:7px;font-weight:700;line-height:1.4}
.pstep p{font-size:13.5px;color:var(--gray);line-height:1.65}

/* packing */
.pack{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.pack li{list-style:none;display:flex;gap:11px;align-items:flex-start;background:var(--steel-bg);border-radius:10px;padding:14px 16px;font-size:14px;color:var(--ink);line-height:1.6}
.pack .k{color:var(--accent);font-weight:800}

/* faq */
.faq{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-i{border-bottom:1px solid var(--line)}
.faq-i:last-child{border-bottom:0}
.faq-q{width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;font-size:15.5px;font-weight:700;color:var(--steel-dk);cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;line-height:1.5}
.faq-q:hover{background:var(--steel-bg)}
.faq-q span.ic{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:var(--gray);transition:.2s}
.faq-i.open .faq-q span.ic{transform:rotate(45deg);border-color:var(--accent);color:var(--accent)}
.faq-a{display:none;padding:0 20px 18px;color:var(--gray);font-size:14.5px;line-height:1.8}
.faq-i.open .faq-a{display:block}

/* ================= related ================= */
.rel{background:var(--steel-bg);padding:74px 0}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}

/* ================= inquiry ================= */
.inq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.inq-form{display:grid;gap:12px}
.inq-form input,.inq-form textarea{width:100%;border:1.5px solid var(--line);border-radius:9px;padding:13px 15px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff}
.inq-form input:focus,.inq-form textarea:focus{outline:0;border-color:var(--steel-md)}
.inq-form textarea{min-height:132px;resize:vertical}
.form-note{font-size:13.5px;min-height:20px}
.inq-side li{list-style:none;display:flex;gap:13px;align-items:flex-start;margin-bottom:20px}
.inq-side .ic{width:38px;height:38px;border-radius:9px;background:var(--steel-bg);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.inq-side .ic svg{width:19px;height:19px;stroke:var(--steel);fill:none;stroke-width:2}
.inq-side .ck{font-size:12px;color:var(--gray);letter-spacing:.5px}
.inq-side .cv{font-size:14.5px;color:var(--ink);line-height:1.55}

/* ================= RFQ drawer ================= */
.rfq-fab{position:fixed;right:22px;bottom:82px;z-index:61;background:var(--steel-dk);color:#fff;border:0;border-radius:50px;padding:13px 20px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:9px;cursor:pointer;box-shadow:var(--shadow-lg)}
.rfq-fab:hover{background:var(--steel-md)}
.rfq-fab svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2}
.rfq-badge{background:var(--accent);color:#fff;border-radius:20px;padding:1px 8px;font-size:12.5px;font-weight:800}
.drawer-mask{position:fixed;inset:0;background:rgba(9,26,40,.5);z-index:70;display:none}
.drawer-mask.open{display:block}
.drawer{position:fixed;right:0;top:0;bottom:0;width:400px;max-width:92vw;background:#fff;z-index:71;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.drawer.open{transform:none}
.drawer-h{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-h h3{font-size:18px;color:var(--steel-dk);font-weight:800}
.drawer-x{border:0;background:var(--steel-bg);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:16px;color:var(--steel-dk)}
.drawer-b{flex:1;overflow-y:auto;padding:16px 22px}
.rfq-i{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.rfq-i img{width:64px;height:64px;border-radius:8px;object-fit:cover;flex:0 0 auto}
.rfq-i .rt{flex:1;min-width:0}
.rfq-i .rt h4{font-size:14.5px;color:var(--steel-dk);font-weight:700;line-height:1.4;margin-bottom:4px}
.rfq-i .rt p{font-size:12.5px;color:var(--gray);line-height:1.5;word-break:break-word}
.rfq-i .rx{border:0;background:none;color:var(--gray);cursor:pointer;font-size:17px;flex:0 0 auto;padding:0 2px}
.rfq-i .rx:hover{color:#D9534F}
.drawer-f{padding:16px 22px 22px;border-top:1px solid var(--line);display:grid;gap:10px}
.drawer-empty{text-align:center;color:var(--gray);font-size:14px;padding:46px 10px}

@media(max-width:1024px){
  .pv{grid-template-columns:1fr;gap:30px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .inq-wrap{grid-template-columns:1fr;gap:30px}
}
@media(max-width:700px){
  .pfig{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .zoom-pane,.lens,.ghint{display:none!important}
  .rfq-fab{bottom:74px;right:14px}
}