/* PDF 产品目录与详情；规则仅作用于新增电控产品，不修改 ERP。 */
.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);margin:28px 0 24px;padding-bottom:14px}
.catalog-filters{display:flex;flex-wrap:wrap;gap:5px 22px}
.catalog-filters[hidden],.catalog-card[hidden]{display:none}
.catalog-filters button{border:0;border-bottom:2px solid transparent;padding:9px 0;background:none;color:var(--muted);font-size:13px;white-space:nowrap}
.catalog-filters button[aria-pressed="true"]{color:var(--navy);border-bottom-color:var(--cyan);font-weight:600}
.catalog-count{font-size:12px;white-space:nowrap;color:var(--muted)}
.catalog-card{display:flex;flex-direction:column;background:#fff}
.catalog-cover{height:246px;display:flex;align-items:center;justify-content:center;position:relative;padding:38px 18px 12px;background:#fff;overflow:hidden}
.catalog-cover .product-code{left:16px;top:13px;font-size:11px;line-height:1.5;max-width:calc(100% - 32px);letter-spacing:0;z-index:1}
.catalog-cover img{display:block;width:100%;height:100%;object-fit:contain;transform:none;transition:transform .2s ease}
.catalog-card .product-body{display:flex;flex-direction:column;flex:1;min-width:0;padding:22px}
.catalog-card h3{font-size:19px;line-height:1.4;overflow-wrap:anywhere;letter-spacing:0;margin:8px 0}
.catalog-card .catalog-name{font-size:13px;color:var(--steel);line-height:1.65;margin:0 0 9px;font-weight:500}
.catalog-link{display:flex;justify-content:space-between;align-items:center;color:var(--steel);font-size:12px;font-weight:600;border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
.catalog-card .product-body>p:last-of-type{margin-bottom:22px}
@media (hover:hover) and (pointer:fine){.catalog-cover:hover img{transform:scale(1.045)}.catalog-link:hover{color:var(--navy)}}
.catalog-details-list{margin-top:30px}
.catalog-fallback{border-top:1px solid var(--line);scroll-margin-top:100px}
.catalog-fallback>summary{cursor:pointer;padding:18px 0;color:var(--navy);font-size:14px}
.catalog-enhanced .catalog-details-list{display:none}
.catalog-dialog{width:min(1040px,calc(100% - 48px));max-width:none;height:min(860px,calc(100dvh - 48px));max-height:none;padding:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);overflow:hidden}
.catalog-dialog[open]{display:flex;flex-direction:column}
.catalog-dialog::backdrop{background:rgba(7,21,30,.64)}
body:has(.catalog-dialog[open]){overflow:hidden}
.catalog-dialog-header{display:flex;align-items:center;gap:20px;padding:12px 22px;border-bottom:1px solid var(--line);flex-shrink:0;background:#fff}
.catalog-dialog-header>strong{margin-right:auto;font-size:14px;font-weight:600;min-width:0;overflow-wrap:anywhere}
.catalog-dialog-header>button:not(.catalog-close){background:none;border:0;font-size:12px;color:var(--steel);min-height:40px;padding:6px 2px;white-space:nowrap}
.catalog-close{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border:1px solid var(--line);border-radius:3px;background:#fff;font-size:26px;color:var(--navy);line-height:1}
.catalog-dialog-body{overflow:auto;overscroll-behavior:contain;min-height:0;flex:1;scroll-padding-top:24px}
.catalog-content{padding:34px}
.catalog-intro{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:start}
.catalog-photo{display:flex;align-items:center;justify-content:center;padding:16px;border:1px solid var(--line);background:#fff;width:100%;min-width:0;aspect-ratio:1;cursor:zoom-in;overflow:hidden}
.catalog-photo img{display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;transform:none;filter:none}
.catalog-overview{min-width:0}
.catalog-overview h2{font-size:28px;line-height:1.3;letter-spacing:0;color:var(--navy);margin:10px 0;overflow-wrap:anywhere}
.catalog-overview h3{font-size:17px;line-height:1.5;font-weight:500;color:var(--steel);margin:0 0 16px}
.catalog-overview>p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}
.catalog-shared-note{margin:18px 0 0;padding:13px 15px;border-left:3px solid var(--cyan);background:#f2f8fa;color:var(--muted);font-size:12px;line-height:1.7}
.catalog-shared-note strong{display:block;color:var(--navy);font-size:13px;margin-bottom:3px}
.catalog-shared-note p{margin:0 0 5px}.catalog-shared-note a{color:var(--steel);font-weight:600}
.catalog-highlights{list-style:none;counter-reset:feature;padding:0;margin:22px 0 0;border-top:1px solid var(--line)}
.catalog-highlights li{position:relative;counter-increment:feature;padding:12px 0 12px 30px;border-bottom:1px solid var(--line)}
.catalog-highlights li:before{content:counter(feature,decimal-leading-zero);position:absolute;left:0;top:14px;color:var(--cyan);font-size:10px}
.catalog-highlights strong{font-size:12px;color:var(--navy)}
.catalog-highlights p{margin:4px 0 0;font-size:12px;color:var(--muted);line-height:1.75}
.catalog-specs{margin-top:32px;scroll-margin-top:24px}
.catalog-specs>summary{padding:18px 0;cursor:pointer;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:17px;font-weight:600;color:var(--navy)}
.catalog-specs>summary span{font-size:12px;font-weight:400;color:var(--muted);margin-left:12px}
.catalog-specs .spec-table{margin-top:18px}
.catalog-specs .spec-table caption{font-size:12px;color:var(--muted);font-weight:400}
.catalog-notes{padding:4px 0 0}
.catalog-notes h3,.catalog-gallery h3{font-size:15px;color:var(--navy);margin:16px 0 12px}
.catalog-notes ul{padding-left:18px;font-size:12px;line-height:1.85;color:var(--muted);margin:0}
.catalog-notes li+li{margin-top:6px}
.catalog-gallery{border-top:1px solid var(--line);margin-top:28px;padding-top:8px}
.catalog-gallery>div{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px}
.catalog-gallery figure{margin:0;flex:0 0 220px;max-width:80%}
.catalog-gallery figcaption{font-size:12px;color:var(--muted);margin-top:9px;line-height:1.65}
.catalog-link:focus-visible,.catalog-cover:focus-visible,.catalog-filters button:focus-visible,.catalog-dialog button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:800px){.catalog-toolbar{align-items:flex-start;flex-direction:column;gap:8px}.catalog-cover{height:280px}.catalog-dialog{width:calc(100% - 24px);height:calc(100dvh - 24px)}.catalog-content{padding:24px}.catalog-intro{gap:24px}.catalog-overview h2{font-size:23px}.catalog-dialog-header{padding:8px 16px;gap:14px}}
@media(max-width:600px){.catalog-dialog{width:100%;height:100dvh;border:0;border-radius:0;margin:0}.catalog-intro{grid-template-columns:1fr;gap:24px}.catalog-intro>.catalog-photo{height:245px;aspect-ratio:auto}.catalog-content{padding:22px 18px}.catalog-overview h2{font-size:24px}.catalog-dialog-header{gap:12px;padding:8px 12px}.catalog-dialog-header>strong{font-size:12px}.catalog-dialog-header>button:not(.catalog-close){font-size:11px}.catalog-specs .spec-table th{width:100px}.catalog-gallery figure{flex-basis:185px}.catalog-filters{gap:3px 17px}.catalog-count{font-size:11px}.catalog-cover{height:275px}}
@media(prefers-reduced-motion:reduce){.catalog-cover img{transition:none}}

/* 可读性微调：仅放大产品卡片摘要和详情备注；标题、参数表及辅助标签原字号已清晰，保持不变。 */
.catalog-card .product-body>p:last-of-type{font-size:13px;line-height:1.75}
.catalog-notes ul{font-size:13px;line-height:1.9}
@media(max-width:600px){.catalog-card .product-body>p:last-of-type{font-size:13px}.catalog-notes ul{font-size:13px;line-height:1.85}}