/* 版式「对开档案」（v2_da_halves，配色 v2-yz-forest）
   像一本摊开的档案册：首屏左页深色（h1、主营、入口）、右页浅色（身份信息表 + 数字），中间一条书脊线；
   正文版块也对开（左页编号 + 标题 + 说明，吸顶；右页内容）。只在 body.a9stbk 下生效，前缀 dh-，颜色只用 --v2-*。 */
body.a9stbk{--dh-spine:color-mix(in srgb,var(--v2-brand) 30%,var(--v2-line));--dh-l:38%;background:var(--v2-white)}
body.a9stbk .fttwkq{max-width:1200px}
body.a9stbk h1,body.a9stbk h2,body.a9stbk h3{letter-spacing:0}

/* 按钮 */
body.a9stbk .nuepzt{display:inline-flex;align-items:center;min-height:44px;padding:0 22px;border-radius:2px;background:var(--v2-brand);color:var(--v2-onbrand);border:1px solid var(--v2-brand);font-size:14px;font-weight:600}
body.a9stbk .nuepzt:hover{background:var(--v2-brand2)}
body.a9stbk .wtjbxu,body.a9stbk a.wtjbxu{background:transparent;color:var(--v2-brand);border-color:var(--v2-brand)}
body.a9stbk .wtjbxu:hover{background:var(--v2-paper)}

/* 页头：左半品牌，右半导航，中间书脊线 */
body.a9stbk .dewnwb{position:sticky;top:0;z-index:50;background:var(--v2-white);border-bottom:1px solid var(--v2-line)}
body.a9stbk .q6wn2q{display:grid;grid-template-columns:var(--dh-l) 1fr;align-items:stretch;min-height:64px}
body.a9stbk .dggdyb{display:flex;flex-direction:column;justify-content:center;padding-right:24px;border-right:1px solid var(--dh-spine)}
body.a9stbk .dggdyb b{font-size:17px;color:var(--v2-brand)}
body.a9stbk .dggdyb small{font-size:12px;color:var(--v2-muted);line-height:1.4}
body.a9stbk .uvg53j{display:flex;align-items:center;flex-wrap:wrap;gap:4px 24px;padding-left:32px;font-size:14px;color:var(--v2-muted)}
body.a9stbk .uvg53j a{padding:4px 0;border-bottom:2px solid transparent}
body.a9stbk .uvg53j a:hover,body.a9stbk .uvg53j a.n3ewjb{color:var(--v2-brand);border-bottom-color:var(--v2-brand)}

/* 首屏：对开两页 */
body.a9stbk .ngckdm{padding:40px 0 48px;background:var(--v2-paper);border-bottom:1px solid var(--v2-line)}
body.a9stbk .ra7m3e{display:grid;grid-template-columns:1fr 1fr;padding:0;max-width:1160px;border:1px solid var(--dh-spine);background:var(--v2-white);box-shadow:0 1px 0 var(--v2-line)}
body.a9stbk .a9nner{position:relative;display:flex;flex-direction:column;padding:40px 48px 56px;min-width:0}
body.a9stbk .jcdvwt{background:var(--v2-brand);color:var(--v2-onbrand)}
body.a9stbk .x5qbbu{border-left:3px double var(--dh-spine)}
body.a9stbk .ten8yf{display:flex;justify-content:space-between;gap:12px;margin:0 0 28px;padding-bottom:10px;border-bottom:1px solid currentColor;font-size:12px;letter-spacing:.12em;opacity:.8}
body.a9stbk .x5qbbu .ten8yf{color:var(--v2-muted);border-bottom-color:var(--v2-line);opacity:1}
body.a9stbk .jcdvwt h1{margin:0;font-size:34px;line-height:1.35;font-weight:700}
body.a9stbk .rvtb5m{display:block;margin-bottom:10px;font-size:15px;font-weight:500;letter-spacing:.04em;opacity:.85}
body.a9stbk .s8xvwx{margin:20px 0 0;font-size:15px;line-height:1.95;opacity:.92}
body.a9stbk .dmua2c{display:flex;flex-wrap:wrap;gap:6px 18px;margin:18px 0 0;padding:14px 0 0;list-style:none;border-top:1px solid color-mix(in srgb,var(--v2-onbrand) 30%,transparent);font-size:13px;opacity:.9}
body.a9stbk .dmua2c li::before{content:"› ";opacity:.7}
body.a9stbk .q4exjk{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
body.a9stbk .jcdvwt .nuepzt{background:var(--v2-onbrand);color:var(--v2-brand);border-color:var(--v2-onbrand)}
body.a9stbk .jcdvwt .wtjbxu{background:transparent;color:var(--v2-onbrand);border-color:color-mix(in srgb,var(--v2-onbrand) 60%,transparent)}
body.a9stbk .xewtg7{position:absolute;left:0;right:0;bottom:16px;margin:0;text-align:center;font-size:12px;letter-spacing:.2em;opacity:.65}
body.a9stbk .x5qbbu .xewtg7{color:var(--v2-muted)}

/* 身份信息（.kzmj4e）：两列表 */
body.a9stbk .kzmj4e{margin:0;border-top:1px solid var(--v2-ink)}
body.a9stbk .qkuxbg{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:11px 0;border-bottom:1px solid var(--v2-line)}
body.a9stbk .kzmj4e dt{font-size:13px;color:var(--v2-muted)}
body.a9stbk .kzmj4e dd{margin:0;font-size:15px;color:var(--v2-ink);overflow-wrap:anywhere}
body.a9stbk .jh36ga{color:var(--v2-brand);font-weight:700}
/* 关键数字：右页底部一行 */
body.a9stbk .h527jy{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));margin:24px 0 0;padding:0;list-style:none;border:1px solid var(--v2-line)}
body.a9stbk .eh89x8{padding:14px 16px;border-left:1px solid var(--v2-line)}
body.a9stbk .eh89x8:first-child{border-left:0}
body.a9stbk .h527jy b{display:block;font-size:28px;line-height:1.2;color:var(--v2-brand);font-weight:700}
body.a9stbk .h527jy span{font-size:12px;color:var(--v2-muted)}

/* 正文：对开版块 */
body.a9stbk .uaqz4z{border-bottom:1px solid var(--v2-line)}
body.a9stbk .v3f33q{background:var(--v2-paper)}
body.a9stbk .mwnftq{display:grid;grid-template-columns:var(--dh-l) 1fr}
body.a9stbk .cszym4{padding:64px 40px 64px 0;border-right:1px solid var(--dh-spine)}
body.a9stbk .cszym4>*:not(.k6chxb){position:relative}
body.a9stbk .yq8rza{padding:64px 0 64px 48px;min-width:0}
body.a9stbk .u8spvt{margin:0;font-size:12px;letter-spacing:.16em;color:var(--v2-brand2);font-weight:600}
body.a9stbk .cszym4 h2{margin:10px 0 0;font-size:28px;line-height:1.35}
body.a9stbk .m7uex4{margin:10px 0 0;font-size:14px;color:var(--v2-muted)}
body.a9stbk .w4ggn7{margin:18px 0 0;font-size:14px}
body.a9stbk .w4ggn7 a{color:var(--v2-brand);font-weight:600;border-bottom:1px solid currentColor}
body.a9stbk .k6chxb{margin:28px 0 0}
body.a9stbk .k6chxb img{width:100%;aspect-ratio:3/2;object-fit:cover;border:1px solid var(--v2-line)}
body.a9stbk .dmxm2w p{margin:0 0 16px;font-size:15px;line-height:2}
body.a9stbk .zx3shc{margin-top:24px}

/* 产品：右页按品类分组的目录行 */
body.a9stbk .v5db7e+.v5db7e{margin-top:36px}
body.a9stbk .tcbdxf{display:flex;justify-content:space-between;align-items:baseline;margin:0;padding-bottom:8px;border-bottom:2px solid var(--v2-brand);font-size:17px}
body.a9stbk .tcbdxf small{font-size:13px;color:var(--v2-muted);font-weight:500}
body.a9stbk .tcbdxf small::after{content:" ·"}
body.a9stbk .sewezc{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;margin:0;padding:0;list-style:none}
body.a9stbk .prme6s{display:grid;grid-template-columns:104px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--v2-line);height:100%}
body.a9stbk .prme6s img,body.a9stbk .j7hcbm{width:104px;height:78px;object-fit:cover;border:1px solid var(--v2-line);background:var(--v2-paper)}
body.a9stbk .j7hcbm{display:grid;place-items:center;color:var(--v2-muted)}
body.a9stbk .we5z58{min-width:0}
body.a9stbk .prme6s b{display:block;font-size:15px;line-height:1.4}
body.a9stbk .prme6s small{display:block;margin-top:4px;font-size:12px;line-height:1.7;color:var(--v2-muted)}
body.a9stbk .prme6s:hover b{color:var(--v2-brand)}

/* 实力 / 流程：编号行 */
body.a9stbk .ujnjs3{margin:0;padding:0;list-style:none;border-top:1px solid var(--v2-ink)}
body.a9stbk .ujnjs3 li{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:20px 0;border-bottom:1px solid var(--v2-line)}
body.a9stbk .ujnjs3 small{font-size:22px;font-weight:700;color:var(--v2-brand);line-height:1.2}
body.a9stbk .ujnjs3 b{font-size:16px}
body.a9stbk .ujnjs3 p{margin:6px 0 0;font-size:14px;color:var(--v2-muted);line-height:1.85}
body.a9stbk .kd6czp{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}

/* 问答 */
body.a9stbk .rwm678 details,body.a9stbk .rjggq3 details{border-bottom:1px solid var(--v2-line);padding:0;background:none;border-radius:0;margin:0}
body.a9stbk .rwm678 details:first-child{border-top:1px solid var(--v2-ink)}
body.a9stbk .rwm678 summary,body.a9stbk .rjggq3 summary{display:flex;justify-content:space-between;gap:16px;padding:16px 0;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
body.a9stbk .rwm678 summary::-webkit-details-marker,body.a9stbk .rjggq3 summary::-webkit-details-marker{display:none}
body.a9stbk .rwm678 summary::after,body.a9stbk .rjggq3 summary::after{content:"+";color:var(--v2-brand);font-weight:400}
body.a9stbk .rwm678 details[open] summary::after,body.a9stbk .rjggq3 details[open] summary::after{content:"−"}
body.a9stbk .rwm678 details p,body.a9stbk .rjggq3 details p{margin:0 0 18px;font-size:14px;color:var(--v2-muted);line-height:1.9}

/* 新闻 */
body.a9stbk .snpfuu{margin:0;padding:0;list-style:none;border-top:1px solid var(--v2-ink)}
body.a9stbk .snpfuu li{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--v2-line);font-size:15px}
body.a9stbk .snpfuu a:hover{color:var(--v2-brand)}
body.a9stbk .snpfuu time{flex:none;font-size:13px;color:var(--v2-muted)}

/* 通用版块（解决方案 / 制造 / 资质 / 选型 / 服务地区 / 内页）：有标题的也做成对开 */
body.a9stbk .b5yyx3{padding:0;border-bottom:1px solid var(--v2-line);background:var(--v2-white)}
body.a9stbk .tjsrxg{background:var(--v2-paper)}
body.a9stbk .b5yyx3>.fttwkq{padding-top:56px;padding-bottom:56px}
body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m){display:grid;grid-template-columns:var(--dh-l) 1fr;align-items:start;padding-top:0;padding-bottom:0}
body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>.qa9h4m{grid-column:1;grid-row:1/span 12;align-self:stretch;display:block;margin:0;padding:56px 40px 56px 0;border-right:1px solid var(--dh-spine)}
body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m){grid-column:2;margin-left:48px;min-width:0}
body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m):nth-child(2){margin-top:56px}
body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m):last-child{margin-bottom:56px}
body.a9stbk .qa9h4m h1,body.a9stbk .qa9h4m h2{margin:10px 0 0;font-size:28px;line-height:1.35}
body.a9stbk .qa9h4m .u9nfz8{display:inline-block;margin-top:16px}
body.a9stbk .bc5bmy{font-size:12px;letter-spacing:.16em;color:var(--v2-brand2)}
body.a9stbk .u9nfz8{color:var(--v2-brand)}
body.a9stbk .sfrmb5{gap:0 28px}
body.a9stbk .ahd62v{grid-template-columns:repeat(2,minmax(0,1fr))}
body.a9stbk .hp8ybh{grid-template-columns:repeat(2,minmax(0,1fr))}
body.a9stbk .rqqd8w,body.a9stbk .demtt5{border:0;border-top:1px solid var(--v2-ink);border-radius:0;box-shadow:none;background:transparent;padding:16px 0 20px}
body.a9stbk .kn4whk{border-radius:0;border:1px solid var(--v2-line);margin-bottom:12px}
body.a9stbk .yhntu3{padding:0;list-style:none;border-top:1px solid var(--v2-ink)}
body.a9stbk .yhntu3 li{padding:12px 0;border-bottom:1px solid var(--v2-line)}
body.a9stbk .t2x78k{display:flex;flex-wrap:wrap;gap:8px;border:0}
body.a9stbk .t2x78k li{padding:6px 12px;border:1px solid var(--v2-line);border-radius:0}
body.a9stbk .hdjdar li{border-radius:0;border:0;border-top:1px solid var(--v2-ink);background:transparent;box-shadow:none}
body.a9stbk .hdjdar li::before{border-radius:0;background:transparent;color:var(--v2-brand);font-weight:700}
body.a9stbk .f3f6dg{background:var(--v2-paper);border-bottom:1px solid var(--v2-line)}
body.a9stbk .f3f6dg h1{font-size:32px}
body.a9stbk .f3f6dg h1 em{border-bottom-width:2px}
body.a9stbk .gtm6zv,body.a9stbk .kf3qxf li{border-radius:0}
body.a9stbk .n24vnp img,body.a9stbk .jrc6cg img{border-radius:0}
body.a9stbk .n24vnp figcaption{border-radius:0}
body.a9stbk .asmbaq,body.a9stbk .ssx57c,body.a9stbk .akyst5{border-radius:0;box-shadow:none}
body.a9stbk .hkfmec a,body.a9stbk .s6n2hk{border-radius:0}
body.a9stbk .b5bd3b{border-radius:0;background:var(--v2-brand);color:var(--v2-onbrand);box-shadow:none}
body.a9stbk .b5bd3b .nuepzt{background:var(--v2-onbrand);color:var(--v2-brand);border-color:var(--v2-onbrand)}

/* 页脚：对开两半 */
body.a9stbk .ckj7gy{padding:0;background:var(--v2-foot);color:var(--v2-footink)}
body.a9stbk .nsyn8b{display:grid;grid-template-columns:1fr 1fr}
body.a9stbk .jmu5yd{padding:48px 40px 48px 0;border-right:3px double color-mix(in srgb,var(--v2-footink) 30%,transparent)}
body.a9stbk .af6892{padding:48px 0 48px 40px;min-width:0}
body.a9stbk .ckj7gy strong{color:var(--v2-onbrand);font-size:17px}
body.a9stbk .ckj7gy p{margin:8px 0 0;font-size:13px;line-height:1.8}
body.a9stbk .z8gex8{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;padding-top:16px;border-top:1px solid color-mix(in srgb,var(--v2-footink) 25%,transparent);font-size:13px}
body.a9stbk .z8gex8 a:hover{color:var(--v2-onbrand)}
body.a9stbk .x94u3w{border-top-color:color-mix(in srgb,var(--v2-footink) 50%,transparent)}
body.a9stbk .x94u3w .qkuxbg{border-bottom-color:color-mix(in srgb,var(--v2-footink) 18%,transparent);padding:8px 0}
body.a9stbk .x94u3w dt{color:var(--v2-footink);opacity:.75}
body.a9stbk .x94u3w dd,body.a9stbk .x94u3w .jh36ga{color:var(--v2-onbrand);font-size:14px}

/* 1000px：两页仍对开，收紧 */
@media (max-width:1000px){
  body.a9stbk{--dh-l:34%}
  body.a9stbk .a9nner{padding:32px 28px 52px}
  body.a9stbk .jcdvwt h1{font-size:28px}
  body.a9stbk .yq8rza{padding-left:32px}
  body.a9stbk .cszym4{padding-right:28px}
  body.a9stbk .sewezc,body.a9stbk .kd6czp{grid-template-columns:1fr}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m){margin-left:32px}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>.qa9h4m{padding-right:28px}
}
/* 560px：两页上下叠放，导航横向滚动 */
@media (max-width:560px){
  body.a9stbk .q6wn2q{grid-template-columns:1fr;min-height:0}
  body.a9stbk .dggdyb{padding:10px 0 6px;border-right:0}
  body.a9stbk .uvg53j{flex-wrap:nowrap;overflow-x:auto;padding:0 0 8px;gap:18px;white-space:nowrap}
  body.a9stbk .ngckdm{padding:16px 0 24px}
  body.a9stbk .ra7m3e{grid-template-columns:1fr;margin:0 12px}
  body.a9stbk .x5qbbu{border-left:0;border-top:3px double var(--dh-spine)}
  body.a9stbk .a9nner{padding:24px 20px 48px}
  body.a9stbk .jcdvwt h1{font-size:24px}
  body.a9stbk .qkuxbg{grid-template-columns:78px 1fr;gap:10px}
  body.a9stbk .h527jy{grid-template-columns:1fr 1fr}
  body.a9stbk .eh89x8{border-left:0;border-top:1px solid var(--v2-line)}
  body.a9stbk .eh89x8:nth-child(-n+2){border-top:0}
  body.a9stbk .eh89x8:nth-child(even){border-left:1px solid var(--v2-line)}
  body.a9stbk .mwnftq,body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m){grid-template-columns:1fr}
  body.a9stbk .cszym4{padding:40px 0 16px;border-right:0;border-bottom:1px solid var(--dh-spine)}
  body.a9stbk .yq8rza{padding:20px 0 40px}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>.qa9h4m{grid-row:auto;padding:40px 0 16px;border-right:0;border-bottom:1px solid var(--dh-spine)}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m){grid-column:1;margin-left:0}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m):nth-child(2){margin-top:20px}
  body.a9stbk .b5yyx3>.fttwkq:has(>.qa9h4m)>:not(.qa9h4m):last-child{margin-bottom:40px}
  body.a9stbk .hp8ybh,body.a9stbk .ahd62v{grid-template-columns:1fr}
  body.a9stbk .cszym4 h2,body.a9stbk .qa9h4m h2{font-size:23px}
  body.a9stbk .prme6s{grid-template-columns:84px 1fr}
  body.a9stbk .prme6s img,body.a9stbk .j7hcbm{width:84px;height:63px}
  body.a9stbk .snpfuu li{flex-direction:column;gap:2px}
  body.a9stbk .nsyn8b{grid-template-columns:1fr}
  body.a9stbk .jmu5yd{padding:36px 0 24px;border-right:0}
  body.a9stbk .af6892{padding:0 0 36px}
}