/* 版式「公函」（企业档案系列 v2_da_memo，2026-11-03）
   企业公函：信头（企业名 + 一行联系方式 + 金色双线）、单栏正文、左侧页边悬挂「一、二、三」小标题、
   产品作为附件清单逐条列出、页脚为落款。宋体标题，正文首行缩进。只在 body.sa5btt 下生效（前缀 dm-）；颜色只用 --v2-*。 */
body.sa5btt{--dm-serif:"Songti SC","STSong","SimSun","Noto Serif CJK SC",serif;--dm-gut:168px;
  background:var(--v2-white);color:var(--v2-ink);font-size:15px;line-height:1.9}
body.sa5btt .tsjvy6{max-width:1040px;padding:0 28px}
body.sa5btt .sv9grc{display:inline-flex;align-items:center;min-height:40px;padding:0 20px;border-radius:0;font-weight:600;font-size:14px;background:var(--v2-brand);color:var(--v2-onbrand);border:1px solid var(--v2-brand)}
body.sa5btt a.hm3vz6,body.sa5btt .hm3vz6{background:transparent;color:var(--v2-brand);border:1px solid var(--v2-brand)}

/* 信头 */
body.sa5btt .d57yx4{background:var(--v2-white);padding-top:26px}
body.sa5btt .vabgc7{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:14px;border-bottom:3px double var(--v2-brand)}
body.sa5btt .xjmcpu{font:700 26px/1.25 var(--dm-serif);letter-spacing:.06em;color:var(--v2-ink)}
body.sa5btt .xjmcpu small{display:block;margin-top:4px;font:500 12px/1.4 var(--dm-serif);letter-spacing:.3em;color:var(--v2-brand)}
body.sa5btt .prgywt{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px 0;margin:0;font-size:12.5px;color:var(--v2-muted);text-align:right}
body.sa5btt .prgywt span+span::before{content:"｜";margin:0 6px;color:var(--v2-line)}
body.sa5btt .prgywt a{color:var(--v2-brand2);font-weight:600}
body.sa5btt .rjjyqk{display:flex;flex-wrap:wrap;gap:0;padding:9px 0;border-bottom:1px solid var(--v2-line);font-size:13px}
body.sa5btt .rjjyqk a{color:var(--v2-muted);white-space:nowrap}
body.sa5btt .rjjyqk a+a::before{content:"·";margin:0 12px;color:var(--v2-line)}
body.sa5btt .rjjyqk a:hover,body.sa5btt .rjjyqk a.y72tdv{color:var(--v2-brand2)}

/* 正文行：左页边悬挂小标题 + 右正文 */
body.sa5btt .kzwa9q{display:grid;grid-template-columns:var(--dm-gut) minmax(0,1fr);column-gap:36px}
body.sa5btt .uhkfgz{padding-top:4px;border-right:1px solid var(--v2-line);padding-right:20px;text-align:right}
body.sa5btt .uhkfgz small{display:block;margin-top:4px;font-size:10.5px;letter-spacing:.2em;color:var(--v2-muted);text-transform:uppercase}
body.sa5btt .fjapp9{font:700 15px var(--dm-serif);letter-spacing:.4em;color:var(--v2-brand)}
body.sa5btt .uhkfgz h2{margin:2px 0 0;font:700 19px/1.4 var(--dm-serif);letter-spacing:.08em;color:var(--v2-ink)}
body.sa5btt .gaeqrj{display:block;font:700 13px var(--dm-serif);color:var(--v2-brand)}
body.sa5btt .gaeqrj::after{content:"、"}
body.sa5btt .hsjuxc{min-width:0}

/* 首屏：事由 + 附注 */
body.sa5btt .but5pw{padding:34px 0 30px;border-bottom:1px solid var(--v2-line)}
body.sa5btt .but5pw .kzwa9q+.kzwa9q{margin-top:22px}
body.sa5btt .but5pw h1{margin:0;font:700 30px/1.4 var(--dm-serif);letter-spacing:.02em;color:var(--v2-ink)}
body.sa5btt .but5pw h1 small{display:block;margin-top:6px;font:500 15px/1.6 var(--dm-serif);color:var(--v2-brand2);letter-spacing:.04em}
body.sa5btt .ddpps8{margin:14px 0 0;text-indent:2em;font-size:15px;line-height:2;color:var(--v2-ink)}
body.sa5btt .gnejxe{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* 身份信息（pf-id）：两列函件附注表 */
body.sa5btt .q7sdd9{display:grid;grid-template-columns:1fr 1fr;margin:0;border-top:1px solid var(--v2-line)}
body.sa5btt .q7sdd9 .hmr43a{display:grid;grid-template-columns:72px minmax(0,1fr);gap:10px;padding:8px 0;border-bottom:1px solid var(--v2-line)}
body.sa5btt .q7sdd9 .hmr43a:nth-child(odd){padding-right:16px}
body.sa5btt .q7sdd9 dt{font:600 12.5px var(--dm-serif);color:var(--v2-muted);letter-spacing:.1em}
body.sa5btt .q7sdd9 dd{margin:0;font-size:14px;color:var(--v2-ink);overflow-wrap:anywhere}
body.sa5btt .q7sdd9 .ctpc6d{color:var(--v2-brand2);font-weight:700}

/* 数字（pf-num）：一行，竖线分隔 */
body.sa5btt .vdbxhw{display:flex;flex-wrap:wrap;margin:16px 0 0;padding:0;list-style:none}
body.sa5btt .vdbxhw .jfxdpw{display:flex;align-items:baseline;gap:8px;padding:0 22px;border-left:1px solid var(--v2-line)}
body.sa5btt .vdbxhw .jfxdpw:first-child{padding-left:0;border-left:0}
body.sa5btt .vdbxhw b{font:700 28px/1.2 var(--dm-serif);color:var(--v2-brand)}
body.sa5btt .vdbxhw span{font-size:13px;color:var(--v2-muted)}

/* 版块 */
body.sa5btt .g2wmpf{padding:40px 0}
body.sa5btt .g2wmpf+.g2wmpf .kzwa9q{padding-top:0}
body.sa5btt .rgcwpa p{margin:0 0 12px;text-indent:2em;line-height:2.05}
body.sa5btt .w6way7{margin:16px 0 0}
body.sa5btt .w6way7 img{width:100%;max-width:640px;height:auto;border:1px solid var(--v2-line)}
body.sa5btt .w6way7 figcaption{margin-top:6px;font:12px var(--dm-serif);color:var(--v2-muted)}
body.sa5btt .kjvjvn{position:relative;margin-top:22px;padding:22px 20px 8px;border:1px solid color-mix(in srgb,var(--v2-brand) 45%,var(--v2-line));background:var(--v2-paper)}
body.sa5btt .phuhv7{position:absolute;top:-11px;left:16px;padding:0 8px;background:var(--v2-paper);font:700 13px var(--dm-serif);letter-spacing:.2em;color:var(--v2-brand)}
body.sa5btt .kjvjvn .q7sdd9{border-top:0}
body.sa5btt .byewqa{margin:16px 0 0;font-size:13px}
body.sa5btt .byewqa a,body.sa5btt .r6grfs a{color:var(--v2-brand2);border-bottom:1px solid color-mix(in srgb,var(--v2-brand) 50%,transparent)}
body.sa5btt .r6grfs{margin:0 0 14px;font:14px var(--dm-serif);color:var(--v2-muted)}

/* 附件：产品清单 */
body.sa5btt .tawq3c+.tawq3c{margin-top:22px}
body.sa5btt .tawq3c h3{display:flex;align-items:baseline;gap:4px;margin:0 0 6px;font:700 16px var(--dm-serif);color:var(--v2-ink)}
body.sa5btt .tawq3c h3>span{color:var(--v2-brand)}
body.sa5btt .tawq3c h3 small{margin-left:auto;font:500 12px var(--dm-serif);color:var(--v2-muted)}
body.sa5btt .rygsa9{margin:0;padding:0;list-style:none;border-top:1px solid var(--v2-brand)}
body.sa5btt .hg6y3g{display:grid;grid-template-columns:30px 96px minmax(0,1fr) auto;align-items:center;column-gap:16px;padding:10px 0;border-bottom:1px solid var(--v2-line)}
body.sa5btt .hg6y3g:hover{background:var(--v2-paper)}
body.sa5btt .m8unt4{font:600 12px var(--dm-serif);color:var(--v2-muted);text-align:right}
body.sa5btt .hg6y3g img,body.sa5btt .bvdmzk{width:96px;height:72px;object-fit:cover;border:1px solid var(--v2-line)}
body.sa5btt .bvdmzk{display:grid;place-items:center;background:var(--v2-paper);color:var(--v2-muted)}
body.sa5btt .ee6s8t b{display:block;font:700 15px/1.5 var(--dm-serif);color:var(--v2-ink)}
body.sa5btt .ee6s8t span{display:block;font-size:13px;line-height:1.7;color:var(--v2-muted)}
body.sa5btt .hg6y3g em{font-style:normal;font-size:12.5px;color:var(--v2-brand2);white-space:nowrap}

/* 条款段落（实力 / 资质 / 选型） */
body.sa5btt .ne9hck{margin:0;padding:0 0 0 2em;list-style:decimal}
body.sa5btt .ne9hck li{padding:4px 0 8px;line-height:1.95}
body.sa5btt .ne9hck li::marker{font-family:var(--dm-serif);color:var(--v2-brand)}
body.sa5btt .ne9hck b{font-family:var(--dm-serif);color:var(--v2-ink)}

/* 流程：编号 + 点线 */
body.sa5btt .wbmgpw{margin:0;padding:0;list-style:none}
body.sa5btt .wbmgpw li{display:grid;grid-template-columns:40px 140px minmax(0,1fr);column-gap:12px;padding:9px 0;border-bottom:1px dotted var(--v2-line)}
body.sa5btt .wbmgpw small{font:700 14px var(--dm-serif);color:var(--v2-brand)}
body.sa5btt .wbmgpw b{font-family:var(--dm-serif)}
body.sa5btt .wbmgpw span{color:var(--v2-muted);font-size:14px}

/* 问答 */
body.sa5btt .gsvc4v details{padding:10px 0;border-bottom:1px solid var(--v2-line)}
body.sa5btt .gsvc4v summary{cursor:pointer;list-style:none;font:700 15px var(--dm-serif)}
body.sa5btt .gsvc4v summary::-webkit-details-marker{display:none}
body.sa5btt .gsvc4v i{display:inline-block;width:2em;font-style:normal;color:var(--v2-brand)}
body.sa5btt .gsvc4v p{margin:6px 0 0;padding-left:2em;text-indent:-2em;color:var(--v2-muted);font-size:14px}

/* 新闻 */
body.sa5btt .b7ddga{margin:0;padding:0;list-style:none}
body.sa5btt .b7ddga li{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px dotted var(--v2-line)}
body.sa5btt .b7ddga a:hover{color:var(--v2-brand2)}
body.sa5btt .b7ddga time{font-size:12.5px;color:var(--v2-muted);white-space:nowrap}

/* 落款（页脚） */
body.sa5btt .bgxg2m{padding:40px 0 22px;background:var(--v2-foot);color:var(--v2-footink);border-top:3px double var(--v2-brand)}
body.sa5btt .qdwn47{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px}
body.sa5btt .qdwn47 p{margin:6px 0 0;font-size:13px;line-height:1.8}
body.sa5btt .qdwn47 p.he4jfv{font:700 17px var(--dm-serif);color:var(--v2-ink);letter-spacing:.1em}
body.sa5btt .thgb5w{text-align:left;padding-left:28px;border-left:1px solid var(--v2-line)}
body.sa5btt .sbm8g4{display:block;font:600 12px var(--dm-serif);letter-spacing:.4em;color:var(--v2-brand)}
body.sa5btt .qdwn47 strong{display:inline-block;margin:4px 8px 10px 0;font:700 20px var(--dm-serif);letter-spacing:.06em;color:var(--v2-ink)}
body.sa5btt .a25wzt{grid-template-columns:1fr}
body.sa5btt .a25wzt .hmr43a{padding:5px 0}
body.sa5btt .a25wzt dd{font-size:13px}
body.sa5btt .v4ef9k{display:flex;flex-wrap:wrap;margin-top:28px;padding-top:12px;border-top:1px solid var(--v2-line);font-size:12.5px}
body.sa5btt .v4ef9k a+a::before{content:"·";margin:0 10px;color:var(--v2-line)}
body.sa5btt .v4ef9k a:hover{color:var(--v2-brand2)}

/* 内页通用组件：宋体标题、直角细线、金色小标签 */
body.sa5btt .wwzqdq{padding:44px 0;border-bottom:1px solid var(--v2-line);background:var(--v2-white)}
body.sa5btt .wccf2s{background:var(--v2-paper)}
body.sa5btt .u4f9md{padding:38px 0 32px;background:var(--v2-white);border-bottom:1px solid var(--v2-line)}
body.sa5btt .u4f9md h1,body.sa5btt .wwzqdq>.tsjvy6>h1{font-family:var(--dm-serif);font-weight:700;letter-spacing:.02em}
body.sa5btt .wwzqdq>.tsjvy6>h1{font-size:30px;line-height:1.4}
body.sa5btt .u4f9md h1 em{border-bottom-width:1px}
body.sa5btt .pj2m7t,body.sa5btt .wvagmc li{border-radius:0;background:transparent}
body.sa5btt .tqhnkq img,body.sa5btt .cpqcjj{border-radius:0}
body.sa5btt .kebe7m{padding-bottom:10px;border-bottom:3px double var(--v2-line)}
body.sa5btt .kebe7m h1,body.sa5btt .kebe7m h2{font-family:var(--dm-serif);font-weight:700;font-size:24px;letter-spacing:.06em}
body.sa5btt .kebe7m h2::after{display:none}
body.sa5btt .kmxq4u{font:600 12px var(--dm-serif);letter-spacing:.3em;color:var(--v2-brand)}
body.sa5btt .shuyef{color:var(--v2-brand2)}
body.sa5btt .npyrp9,body.sa5btt .bhf6k9{border-radius:0;box-shadow:none;background:var(--v2-paper);border-color:var(--v2-line)}
body.sa5btt .ccgmah{border-radius:0;height:auto;aspect-ratio:4/3;object-fit:cover}
body.sa5btt .npyrp9 h3,body.sa5btt .bhf6k9 b{font-family:var(--dm-serif)}
body.sa5btt .nrch55 li,body.sa5btt .nrch55 li::before,body.sa5btt .kc3kpw li{border-radius:0}
body.sa5btt .bj4su2 details{border-radius:0;border-width:0 0 1px;background:transparent;padding:14px 0;margin:0}
body.sa5btt .t55f8a,body.sa5btt .ufvqz7,body.sa5btt .dhd8j8,body.sa5btt .f592af a,body.sa5btt .cjxf36{border-radius:0}
body.sa5btt .rhnepf{border-radius:0;background:var(--v2-paper);color:var(--v2-ink);border:1px solid var(--v2-line);border-top:2px solid var(--v2-brand)}
body.sa5btt .rhnepf h2{font-family:var(--dm-serif)}
body.sa5btt .rhnepf .tcabje,body.sa5btt .x2rzpv{color:var(--v2-muted);opacity:1}

@media(max-width:1000px){
  body.sa5btt{--dm-gut:120px}
  body.sa5btt .vabgc7{flex-direction:column;align-items:flex-start;gap:8px}
  body.sa5btt .prgywt{justify-content:flex-start;text-align:left}
  body.sa5btt .rjjyqk{flex-wrap:nowrap;overflow-x:auto}
  body.sa5btt .kzwa9q{column-gap:24px}
  body.sa5btt .qdwn47{grid-template-columns:1fr;gap:24px}
  body.sa5btt .thgb5w{padding-left:0;border-left:0;padding-top:18px;border-top:1px solid var(--v2-line)}
}
@media(max-width:560px){
  body.sa5btt .tsjvy6{padding:0 16px}
  body.sa5btt .d57yx4{padding-top:16px}
  body.sa5btt .xjmcpu{font-size:20px}
  body.sa5btt .kzwa9q{grid-template-columns:minmax(0,1fr)}
  body.sa5btt .uhkfgz{display:flex;align-items:baseline;gap:6px;border-right:0;padding:0 0 8px;margin-bottom:12px;text-align:left;border-bottom:1px solid var(--v2-line)}
  body.sa5btt .uhkfgz small{margin:0 0 0 auto}
  body.sa5btt .but5pw h1{font-size:23px}
  body.sa5btt .q7sdd9{grid-template-columns:1fr}
  body.sa5btt .q7sdd9 .hmr43a:nth-child(odd){padding-right:0}
  body.sa5btt .vdbxhw .jfxdpw{padding:0 12px}
  body.sa5btt .vdbxhw b{font-size:22px}
  body.sa5btt .hg6y3g{grid-template-columns:72px minmax(0,1fr);row-gap:4px}
  body.sa5btt .m8unt4{grid-column:1/-1;text-align:left}
  body.sa5btt .hg6y3g img,body.sa5btt .bvdmzk{width:72px;height:54px}
  body.sa5btt .hg6y3g em{grid-column:2}
  body.sa5btt .wbmgpw li{grid-template-columns:36px minmax(0,1fr)}
  body.sa5btt .wbmgpw span{grid-column:2}
  body.sa5btt .g2wmpf{padding:28px 0}
  body.sa5btt .wwzqdq>.tsjvy6>h1,body.sa5btt .kebe7m h1,body.sa5btt .kebe7m h2{font-size:22px}
}
body.sa5btt .w6way7 img{max-width:480px}
@media(max-width:560px){
  body.sa5btt .prgywt{flex-direction:column;gap:0}
  body.sa5btt .prgywt span+span::before{content:none}
}
/* 首页里引入的通用版块（制造、采购速览、服务地区、咨询）对齐到正文栏，左侧留出页边 */
body.sa5btt .but5pw~.wwzqdq>.tsjvy6{padding-left:calc(var(--dm-gut) + 64px)}
@media(max-width:560px){body.sa5btt .but5pw~.wwzqdq>.tsjvy6{padding-left:16px}}