/* 详情页独立样式：参考页的双栏、字号、留白与信息表层级。 */
@font-face{font-family:"Manax DM";font-style:normal;font-weight:100 1000;font-display:swap;src:url("./fonts/dm-sans.woff2") format("woff2")}
@font-face{font-family:"Manax Hanken";font-style:normal;font-weight:100 900;font-display:swap;src:url("./fonts/hanken-grotesk.woff2") format("woff2")}
.product-detail{--ink:#0e1116;--muted:#5b6472;--navy:#12294d;--line:#e4e8ec;--paper:#fff;--detail-font:"Manax DM",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#fff;font-family:var(--detail-font);font-size:15px;line-height:1.65}
.product-detail h1,.product-detail h2,.product-detail h3{font-family:"Manax Hanken",var(--detail-font);color:var(--ink)}
.product-detail .topline{background:#12294d;font-size:10px;letter-spacing:.08em}.product-detail .topline .wrap{height:33px}
.product-detail .site-header{background:#ffffffed;border-color:#0e111626;z-index:50}.product-detail .site-header nav{height:67px}
.product-detail .brand{color:#12294d}.product-detail .brand-dot{color:inherit}.product-detail .desktop-nav a{font-size:12px;font-weight:600;padding:20px 0}.product-detail .desktop-nav a[aria-current]:after{bottom:10px}
.product-detail .header-contact{border-radius:999px;background:#12294d;font-size:12px;padding:10px 18px}.product-detail .header-contact svg{display:none}
.product-detail .button{min-height:44px;border-radius:999px;gap:14px;padding:11px 21px;font-size:13px;font-weight:600}.product-detail .button-primary{background:#12294d;border-color:#12294d}.product-detail .button-outline{background:#fff;border-color:#cbd0d7;color:#12294d}
.d-hero{display:grid;grid-template-columns:.9fr 1.1fr;grid-template-areas:"visual heading" "visual summary";grid-template-rows:auto 1fr;column-gap:64px;padding:64px 0 80px;align-items:start}
.d-heading{grid-area:heading;min-width:0}.d-kicker{display:flex;align-items:center;gap:9px;font-size:10px;font-weight:600;letter-spacing:.12em;line-height:1.5;color:var(--muted);margin:0 0 14px}.d-kicker a{border-bottom:1px solid #adb5bf;padding-bottom:1px;color:#12294d}
.d-title-line{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.d-title-line h1{font-size:clamp(38px,4.4vw,58px);font-weight:680;line-height:1;letter-spacing:-.025em;overflow-wrap:anywhere}.d-title-tail{display:block;font-size:.42em;letter-spacing:0;font-weight:560;color:var(--muted);margin-top:.5em;line-height:1.35}.d-title-line .bookmark{position:static;flex-shrink:0;margin-top:5px;width:35px;height:35px;background:#fff;border:1px solid var(--line)}
.d-class,.d-code{font-size:11px;letter-spacing:.08em;color:var(--muted);line-height:1.65}.d-class{margin-top:23px;text-transform:uppercase}.d-code{margin-top:8px}.d-code>span:last-child{font-variant-numeric:tabular-nums;letter-spacing:.04em;margin-left:4px}.d-proof{color:#12294d;font-size:14px;font-weight:650;line-height:1.7;margin-top:15px}
.d-visual{grid-area:visual;position:sticky;top:98px;margin:0;border:1px solid #0e111617;border-radius:18px;overflow:hidden;background:linear-gradient(#fbfcfd,#eef1f5);box-shadow:0 1px 3px #0e11160d,0 12px 30px #0e11160c}.d-visual img{width:100%;height:510px;object-fit:cover}.d-visual figcaption{font-size:9.5px;letter-spacing:.11em;line-height:1.8;text-align:center;padding:19px 22px;color:var(--muted)}
.d-summary{grid-area:summary;min-width:0}.d-document-status{display:flex;align-items:baseline;gap:18px;margin-top:27px}.d-status-figure{font-size:45px;font-weight:700;letter-spacing:-.035em;line-height:1.2}.d-status-caption{font-size:10px;letter-spacing:.08em;color:var(--muted)}
.d-ledger{border-bottom:1px solid var(--line);margin:20px 0 0}.d-ledger-row{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #0e111617;padding:10px 0;align-items:baseline}.d-ledger dt{font-size:10px;letter-spacing:.08em;color:var(--muted);flex-shrink:0}.d-ledger dd{font-size:12px;font-weight:600;margin:0;text-align:right}.d-ledger .numeric-date{font-family:var(--detail-font);font-size:12px}
.d-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.d-actions svg{width:16px;height:16px}.d-ruo{font-size:10px;color:#9a3c30;letter-spacing:.09em;line-height:1.8;margin-top:20px}
.d-nav{position:sticky;top:67px;z-index:40;background:#fffffff0;backdrop-filter:blur(8px);border-top:1px solid #0e111617;border-bottom:1px solid #0e1116}.d-nav .wrap{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}.d-nav .wrap::-webkit-scrollbar{display:none}.d-nav a{white-space:nowrap;display:inline-block;padding:15px 15px 13px;border-bottom:2px solid transparent;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1.6}.d-nav a:first-child{padding-left:0;margin-right:13px}.d-nav a:hover,.d-nav a[aria-current="location"]{color:var(--ink)}.d-nav a[aria-current="location"]{border-bottom-color:#12294d}
.d-deep{padding-bottom:8px}.d-section{max-width:820px;padding:54px 0;border-top:1px solid #0e111617;scroll-margin-top:145px!important}.d-section:first-child{border-top:0;padding-top:44px}.d-section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:22px}.d-section-heading h2{font-size:clamp(23px,3vw,31px);font-weight:660;letter-spacing:-.01em;line-height:1.2}.d-section-meta{font-size:10px;letter-spacing:.12em;color:var(--muted)}
.d-prose p{font-size:15.5px;line-height:1.85;color:#3a414c;margin:0 0 15px}.d-prose p:last-child{margin-bottom:0}.d-spec-list{margin:0}.d-spec-list>div{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:baseline;padding:14px 0;border-bottom:1px solid #0e111617}.d-spec-list dt{font-size:10px;letter-spacing:.1em;color:var(--muted)}.d-spec-list dd{font-size:15.5px;color:var(--ink);margin:0;overflow-wrap:anywhere}.d-caption{font-size:12px;line-height:1.8;color:var(--muted);margin-top:18px}
.d-test-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid #0e111617;border-radius:14px;box-shadow:0 1px 2px #0e11160a;margin:22px 0 24px;overflow:hidden}.d-test-grid>div{padding:19px 18px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.d-test-grid>div:last-child{border:0}.d-test-grid span{font-size:10px;letter-spacing:.08em;color:var(--muted)}.d-test-grid strong{font-size:28px;font-weight:600;line-height:1.3}.d-test-grid small{font-size:11px;color:var(--muted)}
.d-coa-ledger{border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:22px}.d-coa-head{background:#f7f9fb;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;padding:12px 18px;font-size:10px;font-weight:700;letter-spacing:.1em}.d-coa-head>span:last-child{font-weight:500;color:var(--muted)}.d-coa-row{display:grid;grid-template-columns:1.2fr 1fr auto;align-items:center;gap:20px;padding:21px 18px;background:#0e111602}.d-coa-row strong{font-size:15px;font-weight:650}.d-coa-row small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.d-pending{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.d-pending>span:first-child{width:6px;height:6px;border-radius:50%;background:#8d96a4}.d-coa-row>a{display:flex;gap:9px;align-items:center;font-size:12px;color:#12294d}.d-coa-row svg{width:16px;height:16px}
.d-section .reference-row{border-block:1px solid var(--line);padding:20px 0;grid-template-columns:56px minmax(0,1fr) 20px}.d-section .reference-year{font-family:var(--detail-font);font-size:21px;color:#12294d}.d-section .reference-title{font-size:16px;font-family:var(--detail-font)}.d-section .reference-meta{font-size:12px}.d-doi{font-size:11px;letter-spacing:.035em;margin-top:14px;overflow-wrap:anywhere}.d-section .faq-list summary{font-size:15px;font-weight:600;padding:19px 0;line-height:1.65}.d-section .faq-list p{font-size:14px;line-height:1.8;padding-bottom:20px}.d-section .faq-plus{font-size:21px;font-weight:400}
.d-related{border-top:1px solid var(--line);padding:50px 0 65px;background:#f7f9fb}.d-related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.d-related-card{display:grid;grid-template-columns:37% minmax(0,1fr);overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;transition:box-shadow .2s,border-color .2s}.d-related-card:hover{border-color:#b5bfcb;box-shadow:0 12px 30px #0e11160c}.d-related-image{overflow:hidden;min-height:230px;background:#f0f3f6}.d-related-image img{width:100%;height:100%;object-fit:cover}.d-related-info{padding:27px 23px}.d-related-info .d-kicker{font-size:9px;letter-spacing:.08em}.d-related-info h3{font-size:26px;font-weight:650;letter-spacing:-.015em;overflow-wrap:anywhere}.d-related-info>p:not(.d-kicker){font-size:11px;margin-top:10px;line-height:1.7}.d-related-link{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#12294d;margin-top:26px;padding-top:14px;border-top:1px solid var(--line)}.d-related-link svg{width:16px;height:16px}
.product-detail footer{background:#fff}.product-detail .anchor-alias{scroll-margin-top:145px}.product-detail .whatsapp-float{background:#12294d}
@media(max-width:1000px){.d-hero{column-gap:36px}.d-title-line h1{font-size:43px}.d-visual img{height:470px}.product-detail .desktop-nav{gap:20px}.d-related-info{padding:22px 18px}.d-related-info h3{font-size:24px}}
@media(max-width:900px){.d-hero{grid-template-columns:1fr;grid-template-rows:auto;grid-template-areas:"heading" "visual" "summary";gap:24px 0;padding:32px 0 48px}.d-visual{position:static;display:flex;align-items:center;justify-content:center;gap:18px;padding:16px 20px;background:#f5f6f8}.d-visual img{width:140px;height:180px;object-fit:cover;border-radius:8px}.d-visual figcaption{text-align:left;width:190px;padding:0;font-size:10px}.d-class{margin-top:18px}.d-proof{margin-top:12px}.d-document-status{margin-top:0}.d-ledger{margin-top:18px}.d-title-line h1{font-size:clamp(32px,7vw,44px)}.d-summary{max-width:none}.d-status-figure{font-size:40px}.d-actions{margin-top:22px}.d-section{max-width:none;padding:40px 0}.d-spec-list>div{grid-template-columns:160px minmax(0,1fr)}.d-related-grid{gap:18px}.d-related-card{grid-template-columns:1fr}.d-related-image{height:235px}.d-related-image img{object-fit:contain}.product-detail .site-header nav{height:66px}.d-nav{top:66px}}
@media(max-width:580px){.product-detail .wrap{width:calc(100% - 36px)}.product-detail .topline{font-size:9px}.product-detail .site-header nav{gap:15px}.d-kicker{font-size:9px;gap:7px}.d-class,.d-code{font-size:10px}.d-proof{font-size:12px}.d-hero{padding-top:28px}.d-title-line h1{font-size:clamp(33px,9vw,44px)}.d-title-tail{font-size:.44em;margin-top:.45em}.d-title-line{gap:8px}.d-title-line .bookmark{width:32px;height:32px}.d-visual img{width:122px;height:160px}.d-visual figcaption{width:145px;font-size:9px;line-height:1.9}.d-visual{gap:20px;padding:14px}.d-status-caption{font-size:9px}.d-ledger dt{font-size:9px}.d-ledger dd{font-size:11px}.d-actions{gap:9px}.product-detail .d-actions .button{font-size:11px;padding:11px 16px;min-height:44px;gap:9px}.d-ruo{font-size:9px}.d-nav a{font-size:10px;padding:14px 12px 12px}.d-nav a:first-child{margin-right:9px}.d-section{padding:35px 0}.d-section:first-child{padding-top:34px}.d-section-heading{margin-bottom:20px}.d-section-heading h2{font-size:26px}.d-prose p{font-size:14px;line-height:1.9}.d-spec-list>div{grid-template-columns:1fr;gap:4px;padding:12px 0}.d-spec-list dd{font-size:14px}.d-test-grid{grid-template-columns:1fr 1fr}.d-test-grid>div:nth-child(2){border-right:0}.d-test-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.d-coa-head{font-size:9px;padding:12px 14px}.d-coa-row{grid-template-columns:1fr auto;gap:15px;padding:18px 14px}.d-coa-row>a{grid-column:1/-1;border-top:1px solid var(--line);padding-top:13px;justify-content:space-between}.d-caption{font-size:11px}.d-section .reference-row{grid-template-columns:43px minmax(0,1fr) 18px;gap:12px}.d-section .reference-title{font-size:14px}.d-section .reference-meta{font-size:10px}.d-section .reference-year{font-size:18px}.d-section .faq-list summary{font-size:14px;gap:18px}.d-section .faq-list p{font-size:13px}.d-related{padding:35px 0 42px}.d-related-grid{grid-template-columns:1fr;gap:16px}.d-related-card{grid-template-columns:35% minmax(0,1fr)}.d-related-image{height:auto;min-height:200px}.d-related-image img{object-fit:cover}.d-related-info{padding:23px 18px}.d-related-info h3{font-size:24px}.d-related-link{margin-top:20px}.d-related-info .d-kicker{font-size:8px;line-height:1.7}.d-related-info>p:not(.d-kicker){font-size:10px}.product-detail .footer-bottom{padding-bottom:70px}}
@media(prefers-reduced-motion:reduce){.d-related-card{transition:none}}
/* 深色按钮保持文字与图标的可读性。 */
.product-detail .header-contact,.product-detail .whatsapp-float{color:#fff}
/* 精简资料后缩短主视觉，保留清晰的双栏比例。 */
@media(min-width:901px){.d-visual img{height:440px}.d-hero{padding-bottom:64px}.d-summary .d-ledger{margin-top:26px}}