:root{
  --green:#70ad47;
  --deep:#12363b;
  --ink:#14211f;
  --paper:#f4f6f3;
  --white:#fff;
  --muted:#73807c;
  --line:#d8dfd9;
  --mint:#dff0da;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.topbar{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 clamp(18px,4vw,58px);
  background:white;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:20;
}
.brand{display:flex;align-items:center;gap:14px}
.brand img{width:146px;height:42px;object-fit:contain}
.brand strong{font-size:17px}
.build-state{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.build-state span{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 5px #70ad4720;
}
main{max-width:1320px;margin:auto;padding:32px clamp(16px,4vw,58px) 70px}
.workbench{
  display:grid;
  grid-template-columns:1.1fr 1.4fr auto;
  gap:12px;
  padding:18px;
  background:var(--deep);
  color:white;
  box-shadow:0 15px 40px #0d2b2f24;
}
.workbench label{display:block;color:#b9d2cf;font-size:11px;margin-bottom:8px;letter-spacing:.08em}
.selector-block select,.search-input{height:52px;background:white;border:0;color:var(--ink);width:100%;font-size:15px}
.selector-block select{padding:0 15px}
.search-input{display:flex;align-items:center;padding:0 14px;gap:9px}
.search-input span{font-size:23px;color:var(--green)}
.search-input input{border:0;outline:0;min-width:0;flex:1;font-size:15px}
.view-switch{display:flex;height:52px;border:1px solid #8ba6a4}
.view-switch button{border:0;background:transparent;color:#c6d8d5;padding:0 20px;white-space:nowrap;cursor:pointer}
.view-switch button.active{background:var(--green);color:white;font-weight:700}
.result-head{display:flex;justify-content:space-between;align-items:end;padding:42px 0 20px}
.result-head p{margin:0 0 7px;color:var(--green);font:700 11px/1.3 ui-monospace;letter-spacing:.1em}
.result-head h1{margin:0;font-size:clamp(28px,4vw,46px);letter-spacing:-.04em}
.result-stats{text-align:right}
.result-stats strong{display:block;font:700 30px/1 ui-monospace;color:var(--green)}
.result-stats span{font-size:11px;color:var(--muted)}
.part-grid,.assembly-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.part-card{background:white;border:1px solid var(--line);overflow:hidden;cursor:pointer;transition:.2s}
.part-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px #14362d16;border-color:#99bd8a}
.thumb-stage{
  height:250px;
  background:radial-gradient(circle at 50% 42%,#25535a,#0b292e 75%);
  position:relative;
  overflow:hidden;
}
.thumb-stage:after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(#8fc8c11a 1px,transparent 1px),linear-gradient(90deg,#8fc8c11a 1px,transparent 1px);
  background-size:34px 34px;
  pointer-events:none;
}
.model-preview{position:absolute;inset:0;width:100%;height:100%;padding:22px;object-fit:contain;z-index:1}
.thumb-code{position:absolute;top:13px;left:15px;z-index:2;color:#cce5df;font:11px/1 ui-monospace}
.model-pill{position:absolute;right:12px;top:11px;z-index:2;background:#b7832f;color:white;font-size:10px;padding:6px 8px}
.model-pill.verified{background:var(--green)}
.model-state{position:absolute;right:12px;top:42px;z-index:2;background:#7a5a2d;color:#fff;font-size:9px;padding:5px 7px}.model-state.verified{background:#326f5c}
.explode-mark{position:absolute;left:15px;bottom:13px;z-index:2;color:#bfe5d8;font:10px/1 ui-monospace;background:#071d20a8;padding:7px 9px}
.assembly-stage{background:radial-gradient(circle at 50% 44%,#315d60,#071f24 76%)}
.card-info{padding:17px 18px 18px}
.card-name-row{display:flex;align-items:start;justify-content:space-between;gap:10px}
.card-info h2{margin:0;font-size:19px;letter-spacing:-.02em}
.card-info .page{color:var(--muted);font-size:11px;white-space:nowrap}
.card-meta{display:grid;grid-template-columns:1fr 1fr;margin-top:15px;border-top:1px solid var(--line);padding-top:12px;gap:12px}
.card-meta span{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}
.card-meta strong{font:600 11px/1.4 ui-monospace}
.card-meta .usage{grid-column:1/-1;padding-top:8px;border-top:1px dashed var(--line)}
.empty{grid-column:1/-1;background:white;border:1px solid var(--line);padding:70px;text-align:center}
.empty strong{display:block;font-size:22px;margin-bottom:10px}
.empty span{color:var(--muted)}
.pagination{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:28px;flex-wrap:wrap}
.pagination button{min-width:38px;height:38px;border:1px solid var(--line);background:white;cursor:pointer}
.pagination button.active{background:var(--green);border-color:var(--green);color:white}
.pagination button:disabled{cursor:not-allowed;opacity:.42}
.pagination .page-step{min-width:68px}
.page-gap{display:grid;place-items:center;min-width:24px;height:38px;color:var(--muted)}
.page-jump{display:flex;align-items:center;gap:5px;margin-left:7px;color:var(--muted);font-size:12px}
.page-jump input{width:62px;height:38px;border:1px solid var(--line);background:white;text-align:center;font-size:14px}
.page-jump button{padding:0 10px}
.page-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.page-card{background:white;border:1px solid var(--line);text-decoration:none;color:var(--ink);overflow:hidden}
.page-card img{width:100%;height:330px;object-fit:contain;display:block}
.page-card span{display:block;padding:12px;border-top:1px solid var(--line);font-size:12px}
.detail-dialog{
  width:min(1180px,96vw);
  height:min(820px,92vh);
  max-width:none;
  max-height:none;
  border:0;
  padding:0;
  background:white;
  color:var(--ink);
  box-shadow:0 30px 100px #061b1a80;
}
.detail-dialog::backdrop{background:#071d20dd;backdrop-filter:blur(4px)}
.close-detail{position:absolute;z-index:5;right:14px;top:14px;width:42px;height:42px;border:1px solid var(--line);background:white;font-size:26px;cursor:pointer}
.detail-stage{position:absolute;left:0;top:0;bottom:0;width:62%;background:radial-gradient(circle,#24525a,#081e22 74%)}
.detail-stage:after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(#8fc8c118 1px,transparent 1px),linear-gradient(90deg,#8fc8c118 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.detail-stage canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.detail-fallback{display:none;position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;z-index:1}
.detail-fallback.show{display:block}
.stage-code{position:absolute;z-index:2;top:24px;left:25px;color:#cce5df;font:13px/1 ui-monospace}
.stage-help{position:absolute;z-index:2;bottom:20px;left:50%;transform:translateX(-50%);color:#d3e8e3;font-size:11px;background:#061a1da6;padding:8px 11px}
.detail-info{position:absolute;right:0;top:0;bottom:0;width:38%;padding:62px 30px 30px;overflow:auto}
.detail-assembly{font:700 11px/1.4 ui-monospace;letter-spacing:.08em;color:var(--green);margin:0 0 9px}
.detail-info h2{font-size:30px;margin:0 0 4px}
.detail-name-en{margin:0 0 22px;color:var(--muted);font:600 11px/1.5 ui-monospace}
.identity{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.identity div{padding:13px 0;border-bottom:1px solid var(--line)}
.identity div:nth-child(odd){border-right:1px solid var(--line)}
.identity div:nth-child(even){padding-left:15px}
.identity span{display:block;font-size:10px;color:var(--muted);margin-bottom:5px}
.identity strong{font:600 12px/1.4 ui-monospace}
.copy-value{display:flex;align-items:center;gap:7px;padding-right:8px}.copy-value strong{min-width:0;overflow-wrap:anywhere}.copy-value button{border:1px solid var(--green);background:white;color:var(--green);padding:4px 7px;font-size:10px;cursor:pointer;white-space:nowrap}.copy-value button:disabled{border-color:var(--line);color:var(--muted);cursor:default}
.accuracy{font-size:12px;line-height:1.7;color:var(--muted);background:#f0f5ee;padding:12px;margin:18px 0}
.explode-control{padding:14px;margin:18px 0;background:#102f34;color:white}
.explode-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.explode-label strong{font-size:13px}.explode-label span{font-size:10px;color:#a8c4c0}
.explode-range{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;color:#bad0cc;font-size:10px}
.explode-range input{width:100%;accent-color:var(--green)}
.assembly-legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:12px}
.assembly-legend span{font-size:10px;color:#d2e5e1;border-left:2px solid var(--green);padding-left:7px;line-height:1.35}
.detail-actions{display:flex;gap:8px;flex-wrap:wrap}
.detail-actions button,.detail-actions a{border:1px solid var(--green);padding:10px 12px;font-size:12px;text-decoration:none;cursor:pointer}
.detail-actions button{background:var(--green);color:white}
.detail-actions a{color:var(--green)}
.origin-preview{display:none;margin-top:15px;border:1px solid var(--line);padding:8px}
.origin-preview.show{display:block}
.origin-preview img{width:100%;max-height:520px;object-fit:contain}
.origin-preview span{display:block;color:var(--muted);font-size:10px;padding:7px 3px 2px}
.viewer-failed:before{
  content:"当前浏览器暂时只能显示静态3D预览，厂家原图仍可正常查看";
  position:absolute;
  z-index:3;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  width:80%;
  padding:12px;
  background:#0b292ed9;
  color:#dceee9;
  text-align:center;
  font-size:12px;
}
@media(max-width:900px){
  .workbench{grid-template-columns:1fr 1fr}
  .view-block{grid-column:1/-1}
  .part-grid,.assembly-grid,.page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .detail-stage{width:55%}
  .detail-info{width:45%}
}
@media(max-width:640px){
  .topbar{height:60px}
  .brand img{width:95px}
  .brand strong{font-size:13px}
  .build-state{display:none}
  main{padding:18px 12px 50px}
  .workbench{grid-template-columns:1fr;padding:12px}
  .view-block{grid-column:auto}
  .part-grid,.assembly-grid,.page-grid{grid-template-columns:1fr 1fr;gap:8px}
  .thumb-stage{height:180px}
  .model-preview{padding:12px}
  .card-info{padding:12px}
  .card-info h2{font-size:15px}
  .card-meta{grid-template-columns:1fr}
  .result-head{padding-top:28px}
  .detail-dialog{width:100vw;height:100vh}
  .detail-stage{position:relative;width:100%;height:52vh}
  .detail-info{position:relative;width:100%;height:48vh;padding:24px 18px}
  .close-detail{position:fixed}
  .page-card img{height:240px}
  .page-jump{width:100%;justify-content:center;margin-left:0;margin-top:4px}
  .assembly-legend{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .part-card{transition:none}
}

/* 高清原图与跨手册清单模式 */
.cart-button{border:1px solid var(--green);background:white;color:var(--green);padding:9px 13px;cursor:pointer;font-weight:700;white-space:nowrap}.cart-button b{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:4px;border-radius:99px;background:#e8f1e2;color:var(--green);font-size:11px}.cart-button.has-items{background:var(--green);color:white}.cart-button.has-items b{background:white;color:var(--green)}
.pdf-part-card{cursor:pointer}.pdf-thumb{background:#f8faf7}.pdf-thumb:after{display:none}.part-image{width:100%;height:100%;padding:10px;object-fit:contain;display:block}.pdf-badge{position:absolute;right:10px;top:10px;background:#5f9f3f;color:white;padding:5px 8px;font-size:10px;font-weight:700}.card-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px dashed var(--line)}.card-actions button{border:1px solid var(--green);background:white;color:var(--green);padding:7px 9px;cursor:pointer;font-size:11px}.card-actions .add-part{background:var(--green);color:white}.card-actions .add-part.added{background:#2f7162}.card-actions label,.detail-add-row label{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:10px}.card-actions input,.detail-add-row input{width:54px;height:29px;border:1px solid var(--line);padding:4px;text-align:center}.pdf-detail-stage{background:#f8faf7;display:grid;place-items:center;overflow:auto}.pdf-detail-stage:after{display:none}.pdf-detail-stage img{width:100%;height:100%;object-fit:contain;padding:26px;position:relative;z-index:1}.pdf-detail-stage .stage-code{color:var(--ink);background:#ffffffd9;padding:7px 9px;top:14px;left:14px}.detail-add-row{display:flex;align-items:center;gap:10px;margin:18px 0}.detail-add-row button{border:0;background:var(--green);color:white;padding:10px 14px;cursor:pointer;font-weight:700}.cart-dialog{width:min(1100px,94vw);max-width:none;border:0;padding:28px;background:#f8faf7;color:var(--ink);box-shadow:0 30px 100px #061b1a80}.cart-dialog::backdrop{background:#071d20cc;backdrop-filter:blur(4px)}.cart-dialog h2{margin:0 0 5px;font-size:28px}.cart-tip{color:var(--muted);font-size:12px;margin:0 0 18px}.cart-table-scroll{overflow:auto;background:white;border:1px solid var(--line)}.cart-dialog table{width:100%;border-collapse:collapse;min-width:700px}.cart-dialog th,.cart-dialog td{padding:11px 10px;text-align:left;border-bottom:1px solid var(--line);font-size:12px}.cart-dialog th{background:#edf4e9;color:var(--muted);font-size:10px}.cart-dialog td input{width:58px;height:30px;border:1px solid var(--line);text-align:center}.cart-dialog td button{border:1px solid #bd6b5d;background:white;color:#a84e43;padding:6px 8px;cursor:pointer}.cart-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.cart-actions button{border:1px solid var(--green);background:var(--green);color:white;padding:9px 13px;cursor:pointer}.cart-actions .danger{border-color:#b55347;background:white;color:#a84e43}.toast{position:fixed;z-index:20;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#102f34;color:white;padding:10px 15px;font-size:12px;transition:.18s ease}.toast.show{transform:translate(-50%,0);opacity:1}
@media(max-width:900px){.cart-button{margin-left:auto}.pdf-thumb{height:260px}}
@media(max-width:640px){.cart-button{font-size:11px;padding:7px 8px}.pdf-thumb{height:180px}.card-actions{display:grid;grid-template-columns:1fr 1fr}.card-actions label{grid-column:1/-1}.detail-add-row{flex-wrap:wrap}.cart-dialog{width:100vw;height:100vh;padding:22px 12px}.pdf-detail-stage img{padding:12px}}

/* 历史采购价格库与申报表 */
.purchase-badge{position:absolute;left:12px;bottom:12px;padding:6px 9px;font-size:10px;font-weight:700;color:white;background:#2f7162}.purchase-badge.missing{background:#8b8173}
.purchase-summary{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px;padding:12px;background:#edf5ea;border-left:3px solid var(--green)}.purchase-summary.missing{background:#f4f1eb;border-color:#a89c8a}.purchase-summary span,.purchase-grid span{display:block;margin-bottom:4px;color:var(--muted);font-size:10px}.purchase-summary strong,.purchase-grid strong{font:700 11px/1.45 ui-monospace;overflow-wrap:anywhere}.purchase-summary p{grid-column:1/-1;margin:0;padding-top:8px;border-top:1px dashed #cbd9c6;color:#495852;font-size:11px;line-height:1.5}
.purchase-panel{margin:18px 0;border:1px solid #bfd1b8;background:#f4f8f1}.purchase-panel.missing{border-color:#d8cfbf;background:#faf7f1}.purchase-panel-head{display:flex;justify-content:space-between;gap:12px;padding:11px 13px;background:#e5f0df}.purchase-panel.missing .purchase-panel-head{background:#eee8dc}.purchase-panel-head strong{font-size:13px}.purchase-panel-head span{color:#2f7162;font-size:10px;font-weight:700}.purchase-panel.missing .purchase-panel-head span{color:#8b6f45}.purchase-grid{display:grid;grid-template-columns:1fr 1fr;padding:0 13px}.purchase-grid>div{min-width:0;padding:11px 0;border-bottom:1px solid #dce6d8}.purchase-grid>div:nth-child(odd):not(.wide){padding-right:11px;border-right:1px solid #dce6d8}.purchase-grid>div:nth-child(even){padding-left:11px}.purchase-grid .wide{grid-column:1/-1;padding-left:0!important;border-right:0!important}
.cart-summary{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 12px}.cart-summary span{padding:9px 11px;background:white;border:1px solid var(--line);font-size:11px}.cart-summary b{color:#2f7162;font-size:13px}.cart-dialog table{min-width:1320px}.code-cell{font:700 11px/1.4 ui-monospace}.description-cell{min-width:210px;max-width:300px;line-height:1.45}.money-cell{white-space:nowrap;font:700 11px/1.4 ui-monospace}.money-cell.unknown{color:#9a6a21;background:#fff8e7}.cart-actions #export-excel{background:#12363b;border-color:#12363b}.cart-actions button:disabled{opacity:.55;cursor:wait}
@media(max-width:640px){.purchase-summary{grid-template-columns:1fr}.purchase-summary p{grid-column:auto}.purchase-grid{grid-template-columns:1fr}.purchase-grid>div,.purchase-grid>div:nth-child(odd):not(.wide),.purchase-grid>div:nth-child(even){grid-column:auto;padding:10px 0;border-right:0}.cart-summary{display:grid;grid-template-columns:1fr 1fr}.cart-actions{justify-content:stretch;flex-wrap:wrap}.cart-actions button{flex:1;min-width:42%}}