/* 企业官网二级产品索引；有图时采用紧凑图卡，实际像素决定展示上限。 */
.catalog { --catalog-density: 2; }
.catalog-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; padding-top: clamp(40px, 6vw, 72px); padding-bottom: 34px; }
.catalog-intro .eyebrow { margin-bottom: 14px; }
.catalog-intro .btn-row { flex: none; }
.catalog-lead { margin-top: 20px; max-width: 40em; color: var(--color-neutral-600); line-height: 1.7; }
.catalog-browser { padding-bottom: clamp(64px, 8vw, 104px); }
.catalog-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; border-top: 1px solid var(--color-neutral-200); border-bottom: 1px solid var(--color-neutral-200); padding: 18px 0; }
.catalog-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.catalog-filter, .catalog-reset { font: inherit; color: inherit; background: transparent; border: 1px solid transparent; border-radius: 2px; min-height: 44px; cursor: pointer; }
.catalog-filter { padding: 8px 13px; font-size: 14px; }
.catalog-filter:hover { background: var(--color-neutral-100); }
.catalog-filter[aria-pressed="true"] { background: var(--color-brand-ink); color: var(--color-brand-white); }
.catalog-search { display: flex; gap: 8px; flex: 1 1 270px; max-width: 350px; }
.catalog-search input { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--color-neutral-300); background: var(--color-brand-white); border-radius: 2px; padding: 10px 12px; font: inherit; font-size: 14px; color: inherit; }
.catalog-search input::placeholder { color: var(--color-neutral-500); opacity: 1; }
.catalog-reset { padding: 8px; flex: none; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.catalog-result { margin: 20px 0 16px; font-size: 14px; color: var(--color-neutral-600); }
.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: start; gap: 24px 20px; }
.catalog--text .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.catalog-item { min-width: 0; scroll-margin-top: calc(var(--header-h) + 24px); }
.catalog-card { height: 100%; border-bottom: 1px solid var(--color-neutral-200); }
.catalog-static-card { padding-bottom: 18px; }
.catalog-open { display: block; cursor: pointer; list-style: none; padding-bottom: 18px; }
.catalog-open::-webkit-details-marker { display: none; }
.catalog-open::marker { content: ""; }
.catalog-shot { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); position: relative; place-items: center; min-width: 0; height: 184px; padding: 8px; overflow: hidden; background: var(--color-brand-white); border: 1px solid var(--color-neutral-100); }
/* 每图像素来自外部 catalog-sizes.css；回退与固定轨道避免尺寸规则缺失时溢出。 */
.catalog-shot img { width: auto; height: auto; min-width: 0; min-height: 0; max-width: min(100%, 220px, calc(var(--pixel-width, 440) * 1px / var(--catalog-density, 2))); max-height: min(100%, 166px, calc(var(--pixel-height, 332) * 1px / var(--catalog-density, 2))); object-fit: contain; }
.catalog-shot--placeholder { color: var(--color-neutral-400); background: var(--color-brand-paper); }
.catalog-shot--placeholder .num { max-width: 100%; font-size: clamp(18px, 2.4vw, 28px); letter-spacing: .06em; overflow-wrap: anywhere; text-align: center; }
.catalog-card-meta { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; margin-top: 15px; }
.catalog-model { font-size: 13px; font-weight: 700; letter-spacing: .035em; }
.catalog-name { display: block; font-weight: 700; font-size: 16px; line-height: 1.5; overflow-wrap: anywhere; }
.catalog-description { display: block; color: var(--color-neutral-600); font-size: 13px; line-height: 1.65; overflow-wrap: anywhere; }
.catalog-view-label { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; font-size: 13px; color: var(--color-neutral-600); }
.catalog-text-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 23px 0; border-bottom: 1px solid var(--color-neutral-200); }
.catalog-text-card .catalog-card-meta { margin: 0; gap: 5px; }
.catalog-text-card .catalog-name { font-size: 18px; }
.catalog-consult { flex: none; font-size: 13px; }
.catalog-details { padding-bottom: 20px; }
.catalog-image-links { display: flex; flex-wrap: wrap; gap: 12px 16px; margin-bottom: 16px; font-size: 14px; }
.catalog-empty { padding: 60px 20px; text-align: center; border: 1px solid var(--color-neutral-200); background: var(--color-brand-paper); }
.catalog-empty h2 { font-size: 22px; margin-bottom: 12px; }
.catalog-empty p { color: var(--color-neutral-600); margin-bottom: 24px; }
.catalog-dialog { width: min(100% - 40px, 860px); max-height: calc(100dvh - 40px); margin: auto; padding: 24px; border: 1px solid var(--color-neutral-200); background: var(--color-brand-paper); color: var(--color-brand-ink); overscroll-behavior: contain; }
.catalog-dialog::backdrop { background: rgba(35,24,21,.72); }
.catalog-dialog:not([open]) { display: none; }
.catalog-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding-bottom: 18px; }
.catalog-dialog-model { color: var(--color-neutral-500); font-size: 13px; margin-bottom: 5px; }
.catalog-dialog h2 { font-size: clamp(18px, 2.4vw, 22px); line-height: 1.4; overflow-wrap: anywhere; }
.catalog-close, .catalog-step, .catalog-thumb { font: inherit; color: inherit; cursor: pointer; border: 1px solid var(--color-neutral-300); background: var(--color-brand-white); border-radius: 2px; }
.catalog-close { flex: none; display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 6px 12px; font-size: 14px; }
.catalog-close span { font-size: 24px; line-height: 1; }
.catalog-viewer { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; align-items: center; gap: 12px; }
.catalog-large { display: grid; place-items: center; min-width: 0; }
.catalog-large img { display: block; max-width: 100%; object-fit: contain; background: var(--color-brand-white); }
.catalog-step { width: 44px; height: 48px; font-size: 22px; }
.catalog-step:disabled { opacity: .35; cursor: default; }
.catalog-dialog-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 18px 56px 14px; font-size: 14px; }
.catalog-image-count { color: var(--color-neutral-600); }
.catalog-thumbs { display: flex; gap: 10px; overflow-x: auto; padding: 4px 3px 7px; margin: 0 53px; }
.catalog-thumb { display: grid; place-items: center; flex: 0 0 64px; width: 64px; height: 64px; padding: 3px; }
.catalog-thumb[aria-pressed="true"] { border: 2px solid var(--color-brand-red-office); padding: 2px; }
body.catalog-viewer-open { overflow: hidden; }
@media (min-resolution: 2.5dppx) { .catalog { --catalog-density: 2.5; } }
@media (min-resolution: 3dppx) { .catalog { --catalog-density: 3; } }
@media (min-resolution: 4dppx) { .catalog { --catalog-density: 4; } }
@media (max-width: 1040px) { .catalog-controls { align-items: stretch; } .catalog-search { max-width: none; } .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .catalog-intro { flex-direction: column; align-items: flex-start; gap: 24px; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 18px; }
  .catalog--text .catalog-grid { gap: 0 28px; }
  .catalog-filters { flex: 1 1 100%; }
  .catalog-search { flex-basis: 100%; }
  .catalog-dialog { padding: 16px; width: calc(100% - 24px); max-height: calc(100dvh - 24px); }
  .catalog-viewer { gap: 6px; grid-template-columns: 44px minmax(0, 1fr) 44px; }
  .catalog-dialog-bottom { margin: 14px 0; }
  .catalog-thumbs { margin: 0; }
}
@media (max-width: 600px) {
  .catalog-intro { padding-top: 36px; padding-bottom: 28px; }
  .catalog-filters { gap: 6px; }
  .catalog-filter { padding: 8px 10px; font-size: 13px; }
  .catalog--text .catalog-grid { grid-template-columns: minmax(0, 1fr); }
  .catalog-grid { gap: 20px 12px; }
  .catalog-shot { height: 158px; }
  .catalog-shot img { max-height: min(100%, 140px, calc(var(--pixel-height, 280) * 1px / var(--catalog-density, 2))); }
  .catalog-name { font-size: 15px; }
  .catalog-dialog-head { gap: 12px; }
  .catalog-close { padding: 5px 8px; gap: 5px; }
  .catalog-viewer { grid-template-columns: 1fr 1fr; gap: 12px; }
  .catalog-large { grid-column: 1 / -1; grid-row: 1; }
  .catalog-prev { justify-self: start; }
  .catalog-next { justify-self: end; }
  .catalog-step { width: 64px; height: 44px; }
  .catalog-dialog-bottom { margin-top: 10px; }
}