/* Product-detail reading layout. Loaded only on product detail routes. */
html:has(.pd-detail){scroll-padding-top:0}
.pd-detail{--pd-ink:#152b3c;--pd-muted:#66737d;--pd-line:#e1e6e9;--pd-accent:#9a773f;color:var(--pd-ink)}
.pd-layout{display:grid;grid-template-columns:152px minmax(0,1fr);gap:40px;padding-top:32px}
.pd-sidebar{min-width:0;border-right:1px solid var(--pd-line)}
.pd-sidebar-inner{position:sticky;top:112px;padding-right:22px;padding-bottom:28px}
.pd-index-label{font-size:14px;font-weight:650;margin:0 0 22px!important;color:var(--pd-ink)}
.pd-sidebar nav{display:grid;gap:2px}
.pd-sidebar nav a{padding:11px 10px 11px 13px;margin-left:-14px;border-left:2px solid transparent;font-size:13px;line-height:1.6;color:var(--pd-muted)}
.pd-sidebar nav a:hover{color:var(--brand);background:#f6f8fa}
.pd-sidebar nav a.is-active,.pd-sidebar nav a[aria-current=true]{border-left-color:var(--brand);color:var(--brand);background:#f0f5f9;font-weight:600}
.pd-sidebar nav a.pd-nav-sub{font-size:12px;padding-left:21px}
.pd-sidebar-contact{margin-top:34px;padding-top:22px;border-top:1px solid var(--pd-line)}
.pd-sidebar-contact span{font-size:11px;color:var(--pd-muted);display:block;margin-bottom:8px}
.pd-sidebar-contact>a{font-size:14px;font-weight:600;white-space:nowrap}
.pd-main{min-width:0}
.pd-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:42px;padding-bottom:44px;align-items:start}
.pd-gallery{min-width:0}
.pd-main-photo{margin:0!important}
.pd-image-button{display:block;position:relative;border:0;padding:0;width:100%;background:#f4f6f7;cursor:zoom-in}
.pd-image-button>img{width:100%;aspect-ratio:3/2;object-fit:contain;display:block}
.pd-image-action{position:absolute;right:10px;bottom:10px;background:#ffffffed;padding:7px 10px;border:1px solid #dce3e7;color:#425768;font-size:11px;opacity:0;transition:opacity .16s}
.pd-image-button:hover .pd-image-action,.pd-image-button:focus-visible .pd-image-action{opacity:1}
.pd-main-photo figcaption{font-size:11px;line-height:1.6;color:var(--pd-muted);padding:10px 0 0;min-height:27px}
.pd-thumbnails{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}
.pd-thumbnails button{width:62px;height:46px;border:1px solid #dce2e7;background:#f4f6f7;padding:2px;cursor:pointer}
.pd-thumbnails button[aria-pressed=true]{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.pd-thumbnails img{display:block;width:100%;height:100%;object-fit:contain}
.pd-hero-copy{padding-top:7px}
.pd-family{font-size:12px;line-height:1.6;font-weight:600;color:var(--brand);display:inline-block;margin-bottom:17px}
.pd-detail .pd-hero h1{font-size:clamp(29px,2.85vw,41px);line-height:1.35;font-weight:650;letter-spacing:-.025em;margin:0 0 19px;overflow-wrap:anywhere}
.pd-detail .pd-lead{font-size:16px;line-height:1.9;color:#526472;margin:0;max-width:30em}
.pd-hero-actions{display:flex;align-items:center;gap:27px;margin:29px 0 25px}
.pd-detail .button{border-radius:2px;min-height:47px;padding-inline:26px;font-size:14px}
.pd-text-link{font-size:13px;font-weight:550;color:var(--brand);padding-block:12px;border-bottom:1px solid #b9c9d5}
.pd-hero-resources{border-top:1px solid var(--pd-line);padding-top:17px;display:grid;gap:12px}
.pd-hero-resources a{font-size:12px;color:#556a79;line-height:1.6;width:fit-content}
.pd-hero-resources a:hover{text-decoration:underline;text-underline-offset:4px;color:var(--brand)}
.pd-hero-resources span{font-size:10px;margin-left:7px;letter-spacing:.04em;color:#7b8790}
.pd-without-photo{grid-template-columns:1fr}
.pd-without-photo .pd-gallery{display:none}
.pd-detail :is(.pd-section,.pd-documents,.pd-enquiry,.document-subtitle,.pd-document,.native-table-group){scroll-margin-top:108px}
.pd-document{border-top:1px solid var(--pd-line)}
.pd-detail .original-content{font-size:15px;line-height:1.95;color:#425362}
.pd-detail .original-content>.pd-section{padding:34px 0 38px;border-bottom:1px solid var(--pd-line)}
.pd-detail .original-content>.pd-section:last-child{border-bottom:0}
.pd-detail .original-content .document-heading{font-size:25px;font-weight:650;line-height:1.5;color:var(--pd-ink);margin:0 0 24px;letter-spacing:-.02em;max-width:none}
.pd-detail .document-heading::before{content:attr(data-section-number);font-size:12px;color:var(--pd-accent);font-weight:500;letter-spacing:.03em;display:inline-block;width:36px;vertical-align:3px}
.pd-detail .original-content .pd-source-context{display:block;border:0;border-left:2px solid #c6b28c;padding:1px 0 1px 18px;margin:2px 0 29px;font-size:12px;color:#6b7781;background:none}
.pd-detail .original-content .pd-source-context p{font-size:12px;line-height:1.85;max-width:none;margin:0 0 7px}
.pd-detail .original-content .pd-source-context p:last-child{margin-bottom:0}
.pd-copy-block{max-width:46em;margin-bottom:23px}
.pd-copy-block:last-child{margin-bottom:0}
.pd-detail .original-content .pd-copy-block>p{font-size:15px;line-height:1.95;max-width:none;margin:0 0 15px;color:#425362;text-align:left}
.pd-detail .original-content :is(.document-subtitle,.native-table-title){font-size:16px;font-weight:600;letter-spacing:0;color:#273f51;line-height:1.7;margin:0 0 13px;max-width:none}
.pd-detail .original-content .document-points{list-style:none;padding:0;margin:10px 0 0;max-width:none;display:grid;gap:0}
.pd-detail .original-content .document-points li{font-size:14px;line-height:1.9;margin:0;padding:11px 0;border-top:1px solid #e7ebee}
.pd-detail .original-content .document-points li:last-child{border-bottom:1px solid #e7ebee}
.pd-detail .original-content .pd-compact-points{grid-template-columns:1fr 1fr;gap:0 26px}
.pd-detail .original-content .pd-compact-points li{border-bottom:1px solid #e7ebee;border-top:0;padding:12px 0}
.pd-detail .native-spec-block{position:relative;margin:0 0 26px;padding:0;clear:both}
.pd-detail .native-table-group{margin:0 0 26px}
.pd-detail .native-table-group:last-child{margin-bottom:0}
.pd-detail .original-content .native-spec-block :is(h3,h4){font-size:16px;line-height:1.7;font-weight:600;color:#273f51;margin:0 0 12px;padding-right:85px}
.pd-table-tools{position:absolute;top:0;right:0;display:flex;align-items:center;height:27px}
.pd-table-open{font-size:11px;color:#667b8b;border:0;border-bottom:1px solid #c6d2da;padding:3px 0;background:transparent;cursor:pointer}
.pd-table-open:hover{color:var(--brand);border-color:var(--brand)}
.pd-detail .native-table-scroll{border:0;border-top:2px solid #5d788b;margin:0 0 10px;overflow-x:auto;max-width:100%;background:#fff}
.pd-detail .native-table-scroll table{font-size:13px;color:#344958;line-height:1.6;border-collapse:separate;border-spacing:0}
.pd-detail .native-table-scroll table.wide-table{min-width:720px}
.pd-detail .native-table-scroll table[data-columns="4"]{min-width:560px}
.pd-detail .native-table-scroll table[data-columns="5"]{min-width:600px}
.pd-detail .native-table-scroll :is(th,td){padding:12px 13px;line-height:1.7;border-bottom:1px solid #e1e7eb;vertical-align:middle;min-width:3.3em}
.pd-detail .native-table-scroll thead th{background:#edf2f6;font-size:12px;font-weight:600;color:#344f63;border-bottom:1px solid #d9e2e9}
.pd-detail .native-table-scroll thead tr+tr th{background:#f3f6f8;font-size:12px;font-weight:500}
.pd-detail .native-table-scroll thead th[colspan]{border-left:0;border-right:0}
.pd-detail .native-table-scroll tbody th[scope=row]{font-weight:550;text-align:left;white-space:normal;min-width:6.2em}
.pd-detail .native-table-scroll tbody td{overflow-wrap:normal;word-break:normal}
.pd-detail .native-table-scroll .pd-code-cell{white-space:nowrap}
.pd-detail .native-table-scroll tbody td{min-width:6em}
.pd-detail .native-table-scroll tbody tr:nth-child(even){background:#f7f9fa}
.pd-detail .native-table-scroll tbody tr:hover{background:#edf4f9}
.pd-detail .native-table-scroll tr:last-child>:is(th,td){border-bottom:1px solid #e1e7eb}
.pd-detail .pd-attribute-table :is(th,td){text-align:left;min-width:9em}
.pd-detail .original-content .table-note{font-size:12px;line-height:1.75;color:#78858e;margin:7px 0 10px}
.pd-detail .original-content .native-scroll-hint{font-size:11px;color:#667d8d;margin:5px 0 12px}
.pd-detail .original-content .source-figure{margin:18px 0 23px;max-width:720px;background:#f7f8f9}
.pd-detail .original-content .source-figure img{display:block;max-width:100%;height:auto;width:auto;max-height:none;margin:auto}
.pd-detail .original-content .native-drawing{width:min(100%,560px);margin:25px auto 29px;background:#fff}
.pd-detail .original-content .pd-source-label{font-size:13px;font-weight:500;color:#667580;margin:20px 0 0}
.pd-documents{padding:35px 0 38px;border-top:1px solid var(--pd-line)}
.pd-section-head{margin-bottom:22px}
.pd-overline{display:block;font-size:11px;font-weight:500;color:var(--pd-accent);letter-spacing:.09em;margin-bottom:9px}
.pd-detail .pd-section-head h2,.pd-detail .pd-enquiry h2{font-size:25px;font-weight:600;line-height:1.5;letter-spacing:-.02em;margin:0}
.pd-download-row{display:flex;justify-content:space-between;gap:26px;align-items:center;padding:23px;background:#f5f7f9}
.pd-download-row h3{font-size:15px;font-weight:550;margin:0 0 6px!important;line-height:1.7}
.pd-download-row p{font-size:12px;color:var(--pd-muted);margin:0}
.pd-download-row>div:last-child{display:flex;gap:21px;flex-shrink:0}
.pd-download-row a{font-size:12px;color:var(--brand);border-bottom:1px solid #b9ccd9;padding-block:4px}
.pd-enquiry{padding:34px 30px;background:#edf3f8;margin:4px 0 40px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:25px;align-items:center}
.pd-enquiry p{font-size:13px;color:#667988;margin-top:11px!important}
.pd-enquiry-actions{display:flex;align-items:center;gap:22px;margin-top:23px;flex-wrap:wrap}
.pd-phone{font-size:17px;font-weight:550;color:#274c6a;font-variant-numeric:tabular-nums}
.pd-enquiry address{display:grid;gap:9px;font-style:normal;font-size:11px;line-height:1.7;color:#637b8b}
.pd-enquiry address a{color:var(--brand)}
.pd-related{padding:0 0 58px}
.pd-related-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}
.pd-related-head h2{font-size:23px;font-weight:600}
.pd-related-head>a{font-size:12px;color:var(--brand)}
.pd-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.pd-related-item{display:block;min-width:0}
.pd-related-item img{width:100%;height:150px;object-fit:contain;background:#f4f6f7;display:block}
.pd-related-item h3{font-size:15px;font-weight:550;line-height:1.65;margin:13px 0 7px!important}
.pd-related-item>span{font-size:11px;color:#7a8790}
.pd-related-item:hover h3{color:var(--brand)}
.pd-mobile-actions{display:none}
.pd-dialog{padding:0;border:1px solid #d5dfe6;border-radius:3px;color:var(--pd-ink);max-height:90dvh;width:min(1200px,94vw);max-width:none}
.pd-dialog::backdrop{background:#101e2bba}
.pd-dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:19px 24px;border-bottom:1px solid var(--pd-line);position:sticky;top:0;background:#fff;z-index:4}
.pd-dialog-head h2{font-size:19px;line-height:1.5;font-weight:600;margin:0}
.pd-dialog-head button{font-size:13px;color:var(--brand);background:#f2f5f7;border:1px solid #d6e0e7;padding:9px 15px;cursor:pointer;min-height:40px}
.pd-dialog-media{padding:20px;background:#f5f7f8;text-align:center}
.pd-dialog-media img{display:block;width:auto;height:auto;max-width:100%;max-height:70dvh;margin:0 auto;object-fit:contain}
.pd-dialog-media p{font-size:12px;color:#526777;margin:12px 0 0!important}
.pd-dialog>.native-scroll-hint{font-size:12px;line-height:1.7;margin:0;padding:0 24px 16px;color:#667d8d}
.pd-detail .pd-dialog-table{margin:24px;max-width:calc(100% - 48px);max-height:70dvh;overflow:auto}
.pd-detail .pd-dialog-table table{min-width:720px}
.pd-detail .pd-dialog-table thead{position:sticky;top:0;z-index:3}
@media(min-width:1500px){.pd-layout{grid-template-columns:164px minmax(0,1fr);gap:44px}.pd-hero{gap:46px}}
@media(max-width:1100px){.pd-layout{grid-template-columns:130px minmax(0,1fr);gap:28px}.pd-hero{gap:26px}.pd-detail .pd-hero h1{font-size:32px}.pd-detail .pd-lead{font-size:14px}.pd-hero-actions{gap:20px;margin-top:23px}.pd-sidebar-inner{padding-right:15px}.pd-sidebar-contact>a{font-size:12px}.pd-enquiry{grid-template-columns:1fr}.pd-enquiry address{display:none}}
@media(max-width:800px){
 .pd-layout{display:block;padding-top:23px}
 .pd-sidebar{border:0;position:sticky;top:68px;z-index:110;background:#fff;margin:0 -20px;padding:0 20px;overflow:hidden}
 .pd-sidebar-inner{position:static;padding:0}
 .pd-index-label,.pd-sidebar-contact{display:none}
 .pd-sidebar nav{display:flex;overflow-x:auto;gap:25px;border-bottom:1px solid var(--pd-line);scrollbar-width:none;overscroll-behavior-x:contain}
 .pd-sidebar nav a,.pd-sidebar nav a.pd-nav-sub{white-space:nowrap;border:0;border-bottom:2px solid transparent;margin:0;padding:13px 0 12px;font-size:12px}
 .pd-sidebar nav a.is-active,.pd-sidebar nav a[aria-current=true]{border-bottom-color:var(--brand);border-left:0;background:#fff}
 .pd-hero{display:flex;flex-direction:column;gap:23px;padding:25px 0 31px}
 .pd-gallery{width:100%}
 .pd-hero-copy{padding:0;width:100%}
 .pd-image-button>img{aspect-ratio:3/2;max-height:370px}
 .pd-image-action{opacity:1;font-size:10px;padding:6px 8px}
 .pd-main-photo figcaption{font-size:10px}
 .pd-family{font-size:11px;margin-bottom:10px}
 .pd-detail .pd-hero h1{font-size:29px;line-height:1.35;margin-bottom:13px;letter-spacing:-.02em}
 .pd-detail .pd-lead{font-size:14px;line-height:1.9;max-width:none}
 .pd-hero-actions{margin:21px 0;gap:27px}
 .pd-hero-resources{display:flex;justify-content:space-between;gap:12px;padding-top:15px}
 .pd-hero-resources a{font-size:11px}
 .pd-detail :is(.pd-section,.pd-documents,.pd-enquiry,.document-subtitle,.pd-document,.native-table-group){scroll-margin-top:134px}
 .pd-detail .original-content>.pd-section{padding:27px 0 30px}
 .pd-detail .original-content .document-heading{font-size:23px;margin-bottom:20px}
 .pd-detail .document-heading::before{width:30px;font-size:11px;vertical-align:2px}
 .pd-detail .original-content .pd-source-context{font-size:11px;padding-left:13px;margin-bottom:23px}
 .pd-detail .original-content .pd-source-context p{font-size:11px}
 .pd-copy-block{max-width:none;margin-bottom:21px}
 .pd-detail .original-content .pd-copy-block>p{font-size:14px;line-height:1.95;margin-bottom:14px}
 .pd-detail .original-content :is(.document-subtitle,.native-table-title){font-size:15px}
 .pd-detail .original-content .document-points li{font-size:13px;line-height:1.9;padding:10px 0}
 .pd-detail .original-content .pd-compact-points{grid-template-columns:1fr;gap:0}
 .pd-detail .original-content .native-spec-block :is(h3,h4){font-size:15px;padding-right:75px}
 .pd-detail .native-table-scroll :is(th,td){padding:11px 12px;line-height:1.7}
 .pd-detail .native-table-scroll tbody th[scope=row]{min-width:6.4em;background:#fff}
 .pd-detail .native-table-scroll tbody tr:nth-child(even) th[scope=row]{background:#f7f9fa}
 .pd-detail .native-table-scroll thead th[rowspan]:first-child{background:#edf2f6}
 .pd-detail .original-content .source-figure{margin:17px 0;max-width:100%}
 .pd-documents{padding:27px 0}
 .pd-detail .pd-section-head h2,.pd-detail .pd-enquiry h2{font-size:23px}
 .pd-download-row{display:block;padding:21px}
 .pd-download-row>div:last-child{margin-top:15px}
 .pd-enquiry{padding:25px 22px;margin-bottom:30px}
 .pd-enquiry-actions{gap:17px}
 .pd-phone{font-size:15px}
 .pd-related{padding-bottom:105px}
 .pd-related-head h2{font-size:21px}
 .pd-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 15px}
 .pd-related-item img{height:130px}
 .pd-related-item h3{font-size:14px}
 .pd-mobile-actions{position:fixed;bottom:0;left:0;right:0;z-index:500;display:flex;align-items:center;gap:20px;justify-content:space-between;padding:10px 20px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #dbe4ea;background:#fffffff5;box-shadow:0 -4px 18px #152b3c08}
 .pd-mobile-actions>a:first-child{font-size:13px;color:var(--brand);padding:11px 14px}
 .pd-mobile-actions .button{flex:1;max-width:250px;min-height:44px}
 .pd-dialog{width:96vw;max-height:94dvh}
 .pd-dialog-head{padding:13px 16px}
 .pd-dialog-head h2{font-size:16px}
 .pd-detail .pd-dialog-table{margin:16px;max-width:calc(100% - 32px)}
 .pd-dialog-media{padding:15px}
 .pd-table-dialog{width:100vw;height:100dvh;max-height:none;margin:0;border:0;border-radius:0}
 .pd-table-dialog .pd-dialog-table{max-height:calc(100dvh - 145px)}
 .pd-dialog>.native-scroll-hint{padding-inline:16px}
}
@media(prefers-reduced-motion:reduce){.pd-detail *{scroll-behavior:auto!important;transition:none!important}}
@media print{
 .pd-sidebar,.pd-mobile-actions,.pd-table-tools,.pd-hero-actions,.pd-hero-resources,.pd-thumbnails,.pd-image-action,.pd-enquiry,.pd-related,.pd-documents,.pd-dialog{display:none!important}
 .pd-layout{display:block;width:100%;padding:0}.pd-hero{padding-bottom:20px;grid-template-columns:1fr 1fr}.pd-detail .pd-hero h1{font-size:27px}
 .pd-detail .native-table-scroll{overflow:visible}.pd-detail .native-table-scroll table.wide-table{min-width:0;font-size:9px}.pd-detail .native-table-scroll :is(th,td){padding:7px;min-width:0;position:static!important}
 .pd-detail .original-content>.pd-section{padding:20px 0}.pd-detail .native-spec-block{break-inside:avoid}.pd-detail .original-content .document-heading{break-after:avoid}
}

/* 国标结构示意图与符号说明（产品详情） */
.pd-detail .gb-figure { margin: 12px 0 20px; }
.pd-detail .gb-figure img { display: block; max-width: 100%; height: auto; background: #fff; border: 1px solid #e5e9ef; border-radius: 6px; padding: 8px; }
.pd-detail .gb-figure figcaption { font-size: 13px; color: #5c6b7a; margin-top: 6px; }
.pd-detail .gb-legend { font-size: 13px; color: #5c6b7a; line-height: 1.7; }
.pd-detail .pd-copy-block > h3:first-child { margin-top: 0; }

/* ===================== 2026-09-17 视觉升级：产品详情 ===================== */
.pd-detail{--pd-accent:#164d80;--pd-gold:#9a773f;--pd-card:#fbfcfd;--pd-line:#e4e9ee}
.pd-layout{gap:56px;padding-top:36px}
.pd-sidebar nav a{font-size:13.5px;padding:10px 12px 10px 16px;border-left-width:2px;border-radius:0 6px 6px 0}
.pd-sidebar nav a.is-active,.pd-sidebar nav a[aria-current=true]{background:#f1f5f9;color:var(--pd-accent);border-left-color:var(--pd-accent);font-weight:600}
.pd-index-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#7b8994;font-weight:600}
.pd-hero{gap:56px;padding-bottom:52px;align-items:center}
.pd-gallery .pd-main-photo{background:linear-gradient(160deg,#f6f8fa,#eaeff3);border-radius:18px;overflow:hidden;border:1px solid #e6ebef}
.pd-image-button>img{padding:26px;mix-blend-mode:multiply}
.pd-main-photo figcaption{padding:10px 16px 12px;font-size:12px}
.pd-thumbnails button{border-radius:10px;overflow:hidden}
.pd-family{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--pd-accent);font-weight:600}
.pd-detail .pd-hero h1{font-size:clamp(32px,3.2vw,46px);line-height:1.25;letter-spacing:-.03em;margin-bottom:16px}
.pd-detail .pd-lead{font-size:17px;line-height:1.85;color:#4f6272;max-width:32em}
.pd-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0 4px;padding:0}
.pd-stats>div{background:var(--pd-card);border:1px solid var(--pd-line);border-radius:12px;padding:13px 16px;min-width:0}
.pd-stats dt{font-size:11px;letter-spacing:.08em;color:#7b8994;margin:0 0 5px;font-weight:600}
.pd-stats dd{margin:0;font-size:14px;line-height:1.55;color:#1d3345;font-weight:600;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.pd-hero-actions{gap:20px;margin:26px 0 22px}
.pd-detail .button{border-radius:10px;min-height:48px;padding-inline:28px;font-size:14.5px;letter-spacing:.01em}
.pd-text-link{font-size:14px;color:var(--pd-accent);font-weight:500}
.pd-hero-resources{border-top:1px solid var(--pd-line);padding-top:16px;grid-template-columns:auto auto;justify-content:start;gap:24px}
.pd-hero-resources a{font-size:12.5px}
.pd-document{border-top:1px solid var(--pd-line)}
.pd-detail .original-content>.pd-section{padding:56px 0 60px;border-bottom:1px solid var(--pd-line)}
.pd-detail .original-content .document-heading{font-size:30px;font-weight:650;line-height:1.35;letter-spacing:-.025em;margin:0 0 30px;position:relative;padding-left:0}
.pd-detail .document-heading::before{display:block;width:auto;font-size:12px;letter-spacing:.18em;color:var(--pd-accent);font-weight:700;margin-bottom:12px;vertical-align:baseline}
.pd-detail .original-content .pd-copy-block>p{font-size:16px;line-height:1.95;color:#3f5364;margin-bottom:16px}
.pd-detail .original-content :is(.document-subtitle,.pd-copy-block>h3){font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#7b8994;font-weight:700;margin:30px 0 14px}
.pd-detail .original-content .pd-copy-block>h3:first-child{margin-top:0}
.pd-detail .original-content .document-points{display:grid;gap:10px;margin:4px 0 0}
.pd-detail .original-content .document-points li{position:relative;padding:12px 16px 12px 40px;border:1px solid var(--pd-line);border-radius:12px;background:var(--pd-card);font-size:14.5px;line-height:1.85;color:#3f5364;border-top:1px solid var(--pd-line)}
.pd-detail .original-content .document-points li::before{content:"";position:absolute;left:17px;top:22px;width:9px;height:9px;border-radius:3px;background:var(--pd-accent);opacity:.85}
.pd-detail .original-content .document-points li:last-child{border-bottom:1px solid var(--pd-line)}
.pd-detail .original-content .pd-compact-points{grid-template-columns:1fr 1fr;gap:10px}
.pd-detail .original-content .pd-compact-points li{border-top:1px solid var(--pd-line);padding:12px 16px 12px 40px}
/* 表格 */
.pd-detail .native-spec-block{margin:0 0 30px}
.pd-detail .original-content .native-spec-block :is(h3,h4){font-size:16.5px;font-weight:650;color:#17304a;margin:0 0 12px;padding-right:110px;letter-spacing:-.01em}
.pd-detail .pd-table-tools{top:-2px}
.pd-detail .pd-table-open{font-size:12px;color:var(--pd-accent);background:#fff;border:1px solid #cfdae4;border-radius:999px;padding:6px 12px;cursor:pointer}
.pd-detail .pd-table-open:hover{background:#eef4f9}
.pd-detail .native-table-scroll{border:1px solid var(--pd-line);border-top:1px solid var(--pd-line);border-radius:14px;overflow:auto;background:#fff;box-shadow:0 1px 2px rgba(16,38,56,.04)}
.pd-detail .native-table-scroll table{font-size:13.5px;font-variant-numeric:tabular-nums;width:100%}
.pd-detail .native-table-scroll :is(th,td){padding:12px 14px;border-bottom:1px solid #edf1f4;text-align:center}
.pd-detail .native-table-scroll thead th{background:#f3f6f9;color:#2b4459;font-size:12px;letter-spacing:.03em;border-bottom:1px solid #dfe6ec}
.pd-detail .native-table-scroll thead tr+tr th{background:#f8fafb;font-size:12px;color:#4e6376;font-style:italic}
.pd-detail .native-table-scroll thead tr+tr th sub{font-style:normal}
.pd-detail .native-table-scroll tbody th[scope=row]{text-align:left;font-weight:650;color:#17304a;background:#fff;padding-left:18px}
.pd-detail .native-table-scroll tbody tr:nth-child(even){background:#fafbfc}
.pd-detail .native-table-scroll tbody tr:nth-child(even) th[scope=row]{background:#fafbfc}
.pd-detail .native-table-scroll tbody tr:hover,.pd-detail .native-table-scroll tbody tr:hover th[scope=row]{background:#eef4f9}
.pd-detail .native-table-scroll tr:last-child>:is(th,td){border-bottom:0}
.pd-detail .pd-attribute-table :is(th,td){text-align:left}
.pd-detail .original-content .table-note{font-size:12.5px;color:#73828d;margin:10px 2px 6px}
.pd-detail .original-content .native-scroll-hint{font-size:11.5px;color:#7b8994;margin:6px 2px 10px}
/* 国标结构示意图 */
.gb-figure-grid{display:grid;grid-template-columns:1fr;gap:18px;margin:0 0 30px}
@media(min-width:900px){.gb-figure-grid[data-count="2"],.gb-figure-grid[data-count="4"]{grid-template-columns:1fr 1fr}.gb-figure-grid[data-count="3"],.gb-figure-grid[data-count="6"]{grid-template-columns:1fr 1fr}.gb-figure-grid .gb-figure-wide{grid-column:1/-1}}
.pd-detail .gb-figure,.original-guide .gb-figure{margin:0;background:var(--pd-card,#fbfcfd);border:1px solid #e4e9ee;border-radius:16px;padding:18px 18px 16px;max-width:none;width:auto}
.pd-detail .gb-figure-media,.original-guide .gb-figure-media{background:#fff;border-radius:10px;border:1px solid #edf1f4;padding:14px;display:grid;place-items:center}
.pd-detail .gb-figure img,.original-guide .gb-figure img{display:block;width:100%;height:auto;max-height:440px;object-fit:contain;border:0;padding:0;background:transparent;border-radius:0}
.pd-detail .gb-figure figcaption,.original-guide .gb-figure figcaption{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:#2b4459}
.gb-figure-tag{display:inline-block;background:#164d80;color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:999px}
.gb-figure-title{font-weight:600}
.gb-figure-src{margin-left:auto;font-size:11.5px;color:#8a97a2;letter-spacing:.03em}
.gb-figure-legend{font-size:12px;color:#7b8994;margin:6px 0 0!important;line-height:1.7}
.pd-detail .gb-legend{font-size:12.5px;color:#73828d;line-height:1.8;background:var(--pd-card);border:1px solid var(--pd-line);border-radius:12px;padding:12px 16px;margin:0 0 24px}
/* 常见问题 */
.pd-detail .original-content [id$="-faq"] .pd-copy-block>h3{font-size:16px;letter-spacing:0;text-transform:none;color:#17304a;font-weight:650;margin:22px 0 8px;padding-left:30px;position:relative}
.pd-detail .original-content [id$="-faq"] .pd-copy-block>h3::before{content:"Q";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:6px;background:#164d80;color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.pd-detail .original-content [id$="-faq"] .pd-copy-block>p{padding-left:30px;color:#4a5f6f}
/* 资料与咨询 */
.pd-documents{padding:52px 0 40px;border-top:0}
.pd-download-row{border-radius:16px;background:linear-gradient(135deg,#f5f8fa,#eef3f7);border:1px solid var(--pd-line);padding:26px 28px}
.pd-download-row a{border-bottom:0;font-size:13.5px;font-weight:600;background:#fff;border:1px solid #cfdae4;border-radius:999px;padding:8px 16px}
.pd-enquiry{border-radius:18px;background:#123a5e;color:#fff;padding:40px 36px;margin:8px 0 56px}
.pd-detail .pd-enquiry h2,.pd-enquiry .pd-overline{color:#fff}
.pd-enquiry .pd-overline{color:#a9c4dc}
.pd-enquiry p{color:#c7d6e3!important}
.pd-enquiry .button.primary{background:#fff;color:#123a5e}
.pd-phone{color:#fff}
.pd-enquiry address,.pd-enquiry address a{color:#c7d6e3}
.pd-related-item img{border-radius:14px;background:linear-gradient(160deg,#f6f8fa,#eaeff3);height:170px;padding:14px;mix-blend-mode:multiply}
.pd-related-item h3{font-size:15.5px}
@media(max-width:800px){
 .pd-stats{grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
 .pd-stats>div{padding:10px 12px}
 .pd-stats dd{font-size:13px}
 .pd-detail .original-content>.pd-section{padding:38px 0 40px}
 .pd-detail .original-content .document-heading{font-size:25px;margin-bottom:22px}
 .pd-detail .original-content .pd-compact-points{grid-template-columns:1fr}
 .pd-detail .gb-figure{padding:12px}
 .pd-detail .gb-figure-media{padding:8px}
 .pd-enquiry{padding:28px 22px;border-radius:14px}
 .pd-hero-resources{grid-template-columns:1fr;gap:10px}
}
/* 修正：图号标签在 original-content 里被继承色覆盖；示意图单列、限宽 */
.product-story .original-content .gb-figure-tag{color:#fff!important;font-size:11px!important;line-height:1.6!important}
.product-story .original-content .gb-figure-title{font-size:13.5px!important;color:#17304a!important}
.product-story .original-content .gb-figure-src{font-size:11.5px!important;color:#8a97a2!important}
.product-story .original-content .gb-figure-legend{font-size:12.5px!important;color:#7b8994!important}
.gb-figure-grid,.gb-figure-grid[data-count]{grid-template-columns:1fr!important}
.pd-detail .gb-figure{max-width:860px}
.pd-detail .gb-figure-media,.original-guide .gb-figure-media{display:grid;text-decoration:none;cursor:zoom-in}
.pd-detail .gb-figure img,.original-guide .gb-figure img{max-height:520px}

/* 老原文的长条目列表：不做卡片，改为细分隔线 */
.pd-detail .original-content .pd-long-points{gap:0}
.pd-detail .original-content .pd-long-points li{background:none;border:0;border-top:1px solid var(--pd-line);border-radius:0;padding:12px 0 12px 22px}
.pd-detail .original-content .pd-long-points li::before{left:2px;top:22px;width:7px;height:7px}
.pd-detail .original-content .pd-long-points li:last-child{border-bottom:1px solid var(--pd-line)}
/* 操作步骤（铝热焊等） */
.pd-detail .original-content .document-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 18px;display:grid;gap:10px}
.pd-detail .original-content .document-steps li{counter-increment:step;position:relative;padding:12px 16px 12px 52px;border:1px solid var(--pd-line);border-radius:12px;background:var(--pd-card);font-size:14.5px;line-height:1.85;color:#3f5364}
.pd-detail .original-content .document-steps li::before{content:counter(step);position:absolute;left:14px;top:12px;width:26px;height:26px;border-radius:8px;background:var(--pd-accent);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}
/* 2026-09-24 详情主图、缩略图、相关产品统一 3:2 满框；“放大图片”仍显示原图全貌 */
.pd-image-button>img{aspect-ratio:3/2;object-fit:cover;padding:0;mix-blend-mode:normal;max-height:none}
.pd-thumbnails button{width:72px;height:48px;padding:0}
.pd-thumbnails img{object-fit:cover}
.pd-related-item img{height:auto;aspect-ratio:3/2;object-fit:cover;padding:0;mix-blend-mode:normal}
/* 2026-09-24 详情页版式：列表去掉逐条方框、短条目两列；常见问题可展开；国标条文折叠；制造与检验实拍 */
.pd-detail .original-content .document-points{gap:0;margin:4px 0 0}
.pd-detail .original-content .document-points li{padding:10px 0 10px 22px;border:0;border-top:1px solid var(--pd-line);border-radius:0;background:none}
.pd-detail .original-content .document-points li:last-child{border-bottom:1px solid var(--pd-line)}
.pd-detail .original-content .document-points li::before{left:2px;top:21px;width:7px;height:7px;border-radius:2px}
.pd-detail .original-content .pd-compact-points{grid-template-columns:1fr 1fr;column-gap:28px}
.pd-detail .original-content .pd-compact-points li:nth-last-child(2):nth-child(odd){border-bottom:1px solid var(--pd-line)}
.pd-faq-list{border-top:1px solid var(--pd-line)}
.pd-faq{border-bottom:1px solid var(--pd-line)}
.pd-faq>summary{list-style:none;cursor:pointer;position:relative;padding:17px 40px 17px 0;font-size:16px;font-weight:600;line-height:1.65;color:#17304a}
.pd-faq>summary::-webkit-details-marker{display:none}
.pd-faq>summary::after{content:"+";position:absolute;right:6px;top:13px;font-size:24px;font-weight:300;color:var(--pd-accent)}
.pd-faq[open]>summary::after{content:"−"}
.pd-faq>summary:hover{color:var(--brand)}
.pd-detail .original-content .pd-faq>p{margin:-4px 0 18px;font-size:15px;line-height:1.9;color:#425362}
.pd-more{margin-top:28px;border:1px solid var(--pd-line);border-radius:12px;background:#fafbfc}
.pd-more>summary{cursor:pointer;padding:14px 18px;font-size:14px;font-weight:600;color:var(--brand)}
.pd-more[open]>summary{border-bottom:1px solid var(--pd-line)}
.pd-more-body{padding:4px 18px 18px}
.pd-more-body h4{font-size:14px;font-weight:650;margin:20px 0 6px;color:#17304a}
.pd-evidence{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}
.pd-evidence figure{margin:0}
.pd-evidence img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:10px}
.pd-evidence figcaption{font-size:12px;line-height:1.6;color:#6b7a86;margin-top:8px}
@media(max-width:560px){.pd-detail .original-content .pd-compact-points{grid-template-columns:1fr}.pd-detail .original-content .pd-compact-points li:nth-last-child(2):nth-child(odd){border-bottom:0}.pd-evidence{grid-template-columns:1fr 1fr}.pd-faq>summary{font-size:15px}}
@media print{.pd-more-body{display:block}.pd-faq>p{display:block}}
/* 2026-09-24 详情主图不再显示图注条，照片铺满圆角框 */
.pd-gallery .pd-main-photo{background:none}
.pd-main-photo .pd-image-button{background:none}

/* Keep the close control on one line beside long narrow-screen titles. */
@media screen and (max-width:800px){
 .pd-dialog-head button[data-close-dialog]{flex-shrink:0;white-space:nowrap;min-width:60px}
}