:root{
  --w:#ffffff;
  --ink:#111111;
  --ink-2:#555555;
  --ink-3:#8f8f8f;
  --line:#e5e5e5;
  --line-2:#efefef;
  --red:#e00b16;
  --red-deep:#b50811;
  --tint-banner:#f2f2f0;
  --tint-band:#f4f4f2;
  --tint-def:#eaeae8;
  --tint-foot:#f0f0ee;
  --serif:"Noto Serif SC","Songti SC",serif;
  --num:"Barlow Condensed",sans-serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{background:var(--w)}
body{background:var(--w);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1320px,calc(100% - 96px));margin:0 auto}

/* 预览条，不属于网站设计 */
.pv-bar{border-bottom:1px solid var(--line);background:var(--w)}
.pv-bar .wrap{display:flex;align-items:center;gap:14px;height:38px;font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.pv-bar b{font-family:var(--num);font-size:12px;letter-spacing:.16em;color:var(--ink);font-weight:600}
.pv-bar .rd{width:5px;height:5px;border-radius:50%;background:var(--red)}
.pv-bar a{margin-left:auto;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:1px}

/* 页头 */
.head{background:var(--w);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--red);transform:scaleX(var(--sp,0));transform-origin:left;pointer-events:none;z-index:2}
.head .wrap{display:flex;align-items:center;gap:24px;height:84px}
.head img{height:42px;width:auto}
.head nav{display:flex;gap:24px;margin-left:auto;font-size:13.5px;font-weight:500;color:var(--ink-2)}
.head nav a{position:relative;padding:6px 0;transition:color .25s}
.head nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.head nav a:hover{color:var(--ink)}
.head nav a:hover::after,.head nav a.on::after{transform:scaleX(1)}
.head nav a.on{color:var(--ink)}
.head .tel{font-family:var(--num);font-size:20px;font-weight:600;letter-spacing:.02em;color:var(--ink)}
.head .cta{background:var(--red);color:#fff;font-size:13px;font-weight:600;padding:13px 22px;border-radius:2px;letter-spacing:.02em;transition:background .25s}
.head .cta:hover{background:var(--red-deep)}
@media(max-width:1320px){.head .tel{display:none}}
@media(max-width:1080px){.head nav{gap:20px}}
@media(max-width:860px){.head nav{display:none}.head .wrap{height:68px}.head img{height:34px}.head .cta{margin-left:auto;padding:11px 17px}}

/* 01 Banner：图片右置，左缘渐隐进底色，不再是硬切块 */
.banner{position:relative;display:flex;flex-direction:column;background:var(--tint-banner);border-bottom:1px solid var(--line);overflow:hidden}
.banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;min-height:628px;align-items:center;width:min(1320px,calc(100% - 96px));margin:0 auto}
.banner-copy{padding:66px 0 54px;max-width:620px}
.banner-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.crumbs{display:flex;gap:8px}
.banner-code{font-family:var(--num);font-size:12px;letter-spacing:.2em;color:var(--ink-3)}
.banner h1{margin-top:34px;font-family:var(--serif);font-weight:700;font-size:clamp(52px,6.4vw,92px);line-height:1.14;letter-spacing:.005em}
.banner h1 .dot{display:inline-block;width:.13em;height:.13em;border-radius:50%;background:var(--red);margin-left:.12em;vertical-align:.12em}
.banner-foot{margin-top:38px;padding-top:24px;border-top:1px solid rgba(17,17,17,.16);max-width:33em}
.banner-foot .lede{font-size:15px;line-height:1.95;color:var(--ink-2)}
.banner-actions{display:flex;align-items:center;gap:30px;margin-top:26px}
.banner-meta{font-family:var(--num);font-size:10.5px;letter-spacing:.18em;color:var(--ink-3)}
.arrow-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:7px;transition:color .25s,border-color .25s}
.arrow-link .ar{font-family:var(--num);font-size:18px;line-height:1;transition:transform .3s var(--ease)}
.arrow-link:hover{color:var(--red);border-color:var(--red)}
.arrow-link:hover .ar{transform:translateX(5px)}
.banner-fig{position:absolute;top:0;right:0;bottom:46px;width:55%;z-index:0;margin:0;-webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.06) 12%,rgba(0,0,0,.28) 32%,rgba(0,0,0,.68) 52%,#000 68%);mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.06) 12%,rgba(0,0,0,.28) 32%,rgba(0,0,0,.68) 52%,#000 68%)}
.banner-fig img{width:100%;height:100%;object-fit:cover;object-position:center 44%;filter:grayscale(.2) saturate(.9) contrast(1.05)}
.banner-fig::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,#f2f2f0 0%,rgba(242,242,240,.55) 14%,rgba(242,242,240,.18) 34%,rgba(242,242,240,0) 56%);pointer-events:none}
.banner-fig::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.04),transparent 34%,rgba(0,0,0,.1));pointer-events:none}
.banner-cap{position:relative;z-index:2;width:min(1320px,calc(100% - 96px));margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-top:1px solid var(--line);font-size:10.5px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
.banner-cap b{font-family:var(--num);font-weight:500;font-size:10.5px;letter-spacing:.2em;color:var(--ink-2)}
/* 通用 section 头 */
.sec{padding-top:150px}
.kicker{display:flex;align-items:center;gap:16px;font-family:var(--num);font-size:11.5px;letter-spacing:.22em;font-weight:600;color:var(--ink-3);text-transform:uppercase}
.kicker::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--red)}
.sec-head{display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:end;margin-top:30px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.sec-head h2{font-family:var(--serif);font-size:clamp(40px,4.4vw,64px);font-weight:700;line-height:1.28;letter-spacing:.005em}
.sec-head .note{font-size:14px;line-height:1.95;color:var(--ink-2);max-width:36em;padding-bottom:7px}
.sec-head .note b{color:var(--ink);font-weight:600}

/* 产品目录 */
.atlas-index{display:grid;grid-template-columns:1fr 1fr;column-gap:80px;margin-top:6px}
.atlas-index a{display:grid;grid-template-columns:34px 1fr 22px;gap:18px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line);transition:color .25s,padding-left .3s var(--ease)}
.atlas-index .no{font-family:var(--num);font-size:12px;letter-spacing:.12em;color:var(--ink-3)}
.atlas-index .nm{font-family:var(--serif);font-size:21px;font-weight:700;letter-spacing:.01em}
.atlas-index .ds{display:block;margin-top:5px;font-family:var(--sans);font-size:12px;font-weight:400;color:var(--ink-3);line-height:1.7}
.atlas-index .ar{font-family:var(--num);font-size:16px;color:var(--ink-3);transition:transform .3s var(--ease),color .25s}
.atlas-index a:hover{color:var(--red);padding-left:6px}
.atlas-index a:hover .ar{color:var(--red);transform:translateX(4px)}
.atlas-intro{padding-bottom:100px}

/* 板块底色 */
.band{padding:100px 0 112px}
.band.tint{background:var(--tint-band)}
.band + .band{border-top:1px solid var(--line)}
.band .chapter{margin-top:0}

/* 系列章节 */
.chapter{margin-top:0}
.chapter-head{display:grid;grid-template-columns:auto 1fr auto;gap:38px;align-items:end;padding-top:30px;border-top:1px solid var(--ink)}
.chapter-no{font-family:var(--num);font-size:clamp(86px,9vw,132px);font-weight:500;line-height:.78;letter-spacing:-.02em;color:var(--ink)}
.chapter-name h3{font-family:var(--serif);font-size:clamp(28px,2.6vw,38px);font-weight:700;letter-spacing:.01em}
.chapter-name p{margin-top:9px;font-size:12.5px;letter-spacing:.06em;color:var(--ink-3)}
.chapter-count{font-family:var(--num);font-size:11px;letter-spacing:.18em;color:var(--ink-3);padding-bottom:6px}
.feature{display:grid;grid-template-columns:7.4fr 4.6fr;gap:64px;margin-top:52px;align-items:start}
.feature.rev{grid-template-columns:4.6fr 7.4fr}
.feature.rev .fig{order:2}
.feature .fig{position:relative;overflow:hidden;background:#f2f2f2;aspect-ratio:4/3}
.feature .fig img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04);transition:transform .8s var(--ease)}
.feature:hover .fig img{transform:scale(1.025)}
.feature .fig .cap{position:absolute;left:0;bottom:0;background:var(--w);color:var(--ink-3);font-size:10.5px;letter-spacing:.12em;padding:8px 12px;text-transform:uppercase}
.feature-copy{padding-top:2px}
.feature-copy .srs{font-family:var(--num);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3)}
.feature-copy h4{margin-top:14px;font-family:var(--serif);font-size:clamp(26px,2.4vw,34px);font-weight:700;line-height:1.4}
.feature-copy .one{margin-top:14px;font-size:14px;line-height:1.9;color:var(--ink-2)}
.feature-copy ul{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.feature-copy li{position:relative;padding:12px 0 12px 18px;border-bottom:1px solid var(--line-2);font-size:12.5px;line-height:1.7;color:var(--ink-2)}
.feature-copy li::before{content:"";position:absolute;left:0;top:19px;width:4px;height:4px;border-radius:50%;background:var(--red)}
.kpis{display:flex;flex-wrap:wrap;gap:34px;margin-top:26px}
.kpi b{display:block;font-family:var(--num);font-size:31px;font-weight:500;line-height:1;letter-spacing:.01em;color:var(--ink)}
.kpi span{display:block;margin-top:7px;font-size:11px;letter-spacing:.04em;color:var(--ink-3)}
.feature-meta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}
.price{font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}
.price b{font-family:var(--num);font-size:16px;font-weight:600;color:var(--ink);letter-spacing:.02em;margin-left:5px}
.feature-meta .arrow-link{font-size:12.5px;padding-bottom:4px}

/* 03 宽幅图版 */
.wide-fig{margin-top:54px}
.wide-fig .plate{position:relative;overflow:hidden;background:#f2f2f2;aspect-ratio:21/8}
.wide-fig img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04)}
.wide-fig figcaption{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:10.5px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
.wide-copy{display:grid;grid-template-columns:5fr 4fr 3fr;gap:58px;margin-top:34px;align-items:start}
.wide-copy h4{font-family:var(--serif);font-size:clamp(26px,2.4vw,34px);font-weight:700;line-height:1.4}
.wide-copy .one{margin-top:13px;font-size:13.5px;line-height:1.9;color:var(--ink-2)}
.wide-copy ul{list-style:none;border-top:1px solid var(--line)}
.wide-copy li{padding:10px 0 10px 17px;position:relative;border-bottom:1px solid var(--line-2);font-size:12px;line-height:1.7;color:var(--ink-2)}
.wide-copy li::before{content:"";position:absolute;left:0;top:17px;width:4px;height:4px;border-radius:50%;background:var(--red)}
.wide-side .kpis{margin-top:0;gap:26px}
.wide-side .price{margin-top:24px}
.wide-side .arrow-link{margin-top:20px;font-size:12.5px}

/* 04 五款追溯 */
.trace{display:grid;grid-template-columns:6.6fr 5.4fr;gap:64px;margin-top:52px;align-items:start}
.trace-fig{position:relative;overflow:hidden;background:#f2f2f2;aspect-ratio:5/4}
.trace-fig img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04)}
.trace-fig .cap{position:absolute;left:0;bottom:0;background:var(--w);color:var(--ink-3);font-size:10.5px;letter-spacing:.12em;padding:8px 12px}
.trace-list{border-top:1px solid var(--ink)}
.trace-item{display:grid;grid-template-columns:32px 1fr auto 18px;gap:14px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line);transition:color .25s,padding-left .3s var(--ease)}
.trace-item .no{font-family:var(--num);font-size:11px;letter-spacing:.1em;color:var(--ink-3)}
.trace-item .nm{font-family:var(--serif);font-size:18px;font-weight:700}
.trace-item .nm small{display:block;margin-top:4px;font-family:var(--sans);font-size:11.5px;font-weight:400;color:var(--ink-3);line-height:1.6}
.trace-item .pr{font-family:var(--num);font-size:12px;letter-spacing:.04em;color:var(--ink-3);white-space:nowrap}
.trace-item .ar{font-family:var(--num);font-size:15px;color:var(--ink-3);transition:transform .3s var(--ease)}
.trace-item:hover{color:var(--red);padding-left:5px}
.trace-item:hover .ar{color:var(--red);transform:translateX(4px)}
.trace-foot{grid-column:1/-1;display:flex;align-items:center;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.trace-foot .kpis{gap:48px;margin-top:0}
.trace-foot .arrow-link{margin-left:auto;font-size:12.5px}

/* 05 红点定义 */
.def{background:var(--tint-def);padding:140px 0 150px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.def-grid{display:grid;grid-template-columns:3.2fr 8.8fr;gap:70px;margin-top:64px;align-items:center}
.def-mark{position:relative;min-height:360px}
.def-mark .ring{position:absolute;left:0;top:0;width:250px;height:250px;border:1px solid #d8d8d6;border-radius:50%}
.def-mark .ring::before,.def-mark .ring::after{content:"";position:absolute;background:#d8d8d6}
.def-mark .ring::before{left:50%;top:-18px;bottom:-18px;width:1px}
.def-mark .ring::after{top:50%;left:-18px;right:-18px;height:1px}
.def-mark .dot{position:absolute;left:81px;top:81px;width:88px;height:88px;border-radius:50%;background:var(--red)}
.def-mark .lb{position:absolute;left:0;top:286px;font-family:var(--num);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3);line-height:1.9}
.def-mark .lb b{display:block;color:var(--ink);font-weight:600}
.def-copy h2{font-family:var(--serif);font-size:clamp(42px,5.4vw,76px);font-weight:700;line-height:1.32;letter-spacing:.005em}
.def-copy h2 .red{color:var(--red)}
.def-copy h2 .dot{display:inline-block;width:.12em;height:.12em;border-radius:50%;background:var(--red);margin-left:.1em;vertical-align:.1em}
.def-body{display:grid;grid-template-columns:4fr 6fr;gap:64px;margin-top:54px;padding-top:30px;border-top:1px solid var(--ink)}
.def-quote{border-left:1px solid var(--red);padding-left:22px}
.def-quote p{font-size:13.5px;line-height:1.95;color:var(--ink-2)}
.def-quote cite{display:block;margin-top:14px;font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}
.doors{display:grid;grid-template-columns:1fr 1fr;margin-top:58px;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.door{display:grid;grid-template-columns:34px 1fr;gap:18px;padding:28px 56px 28px 0}
.door + .door{border-left:1px solid var(--line);padding-left:56px;padding-right:0}
.door .no{font-family:var(--num);font-size:12px;letter-spacing:.12em;color:var(--red);padding-top:4px}
.door h3{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.01em}
.door p{margin-top:7px;font-size:12.5px;line-height:1.85;color:var(--ink-2)}
.door .eg{margin-top:10px;font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.door .eg span{margin-right:14px}
.def-foot{display:flex;align-items:center;gap:20px;margin-top:38px;font-size:12.5px;color:var(--ink-3)}
.def-foot .arrow-link{margin-left:auto;font-size:12.5px}

/* 06 白色页脚 */
.foot{background:var(--tint-foot)}
.foot-cta{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:end;padding:64px 0 56px;border-bottom:1px solid var(--line)}
.foot-cta h2{font-family:var(--serif);font-size:clamp(36px,4.4vw,62px);font-weight:700;line-height:1.3;letter-spacing:.005em}
.foot-cta .sub{margin-top:18px;font-size:13px;line-height:1.9;color:var(--ink-2);max-width:44em}
.btn-red{display:inline-flex;align-items:center;gap:10px;background:var(--red);color:#fff;font-size:13.5px;font-weight:600;padding:16px 26px;border-radius:2px;letter-spacing:.02em;transition:background .25s,transform .2s}
.btn-red:hover{background:var(--red-deep)}
.btn-red span{display:inline-block;transition:transform .3s var(--ease)}
.btn-red:hover span{transform:translateX(4px)}
.btn-red:active{transform:translateY(1px)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1.35fr .8fr 1fr;gap:56px;padding:54px 0 46px}
.foot-brand img{height:33px;width:auto}
.foot-brand .slogan{margin-top:22px;font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.02em}
.foot-brand p{margin-top:12px;font-size:12px;line-height:1.95;color:var(--ink-3);max-width:28em}
.badges{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.badges span{font-size:10.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:1px;padding:5px 9px;letter-spacing:.02em}
.foot h4{font-family:var(--num);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3);font-weight:600;margin-bottom:18px;text-transform:uppercase}
.foot-prod{display:grid;grid-template-columns:1fr 1fr;gap:0 26px}
.foot-prod a{display:flex;gap:9px;align-items:baseline;padding:7px 0;font-size:12px;color:var(--ink-2);transition:color .25s}
.foot-prod a i{font-style:normal;font-family:var(--num);font-size:10px;color:var(--ink-3);letter-spacing:.06em}
.foot-prod a:hover{color:var(--red)}
.foot-nav{display:flex;flex-direction:column}
.foot-nav a{padding:7px 0;font-size:12.5px;color:var(--ink-2);transition:color .25s,padding-left .3s var(--ease)}
.foot-nav a:hover{color:var(--red);padding-left:4px}
.foot-contact .tel{display:flex;align-items:center;gap:8px;font-family:var(--num);font-size:28px;font-weight:600;letter-spacing:.02em;color:var(--ink)}
.foot-contact .tel svg{color:var(--red)}
.foot-contact .sub{margin-top:7px;font-size:11px;color:var(--ink-3)}
.foot-contact .mail{display:inline-block;margin-top:15px;font-size:11.5px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:3px}
.foot-contact .addr{margin-top:18px;display:flex;flex-direction:column;gap:9px;font-size:10.5px;line-height:1.7;color:var(--ink-3)}
.foot-contact .addr div{display:flex;gap:7px}
.foot-contact .addr svg{flex:none;margin-top:2px;color:var(--ink-3)}
.foot-mark{position:relative;height:190px;overflow:hidden;border-top:1px solid var(--line)}
.foot-mark span{position:absolute;left:-6px;bottom:-44px;font-family:var(--num);font-size:268px;font-weight:500;letter-spacing:.01em;line-height:1;color:transparent;-webkit-text-stroke:1.5px #a2a2a0;white-space:nowrap}
.foot-bottom{display:flex;align-items:center;gap:20px;padding:16px 0 22px;border-top:1px solid var(--line);font-size:10.5px;color:var(--ink-3);letter-spacing:.02em}
.foot-bottom .links{display:flex;gap:16px}
.foot-bottom .right{margin-left:auto;font-family:var(--num);letter-spacing:.1em;display:flex;gap:20px;align-items:center}
.foot-bottom .rd{width:4px;height:4px;border-radius:50%;background:var(--red);display:inline-block;margin-right:7px;vertical-align:1px}

/* 参考说明，仅预览页 */
.ref-note{padding:26px 0 46px;background:var(--tint-foot);border-top:1px solid var(--line);font-size:10.5px;color:var(--ink-3);letter-spacing:.03em;line-height:1.9}
.ref-note b{color:var(--ink-2);font-weight:600}

@media(max-width:1120px){
  .banner-inner{grid-template-columns:1fr;min-height:0}
  .banner-copy{padding:54px 0 38px;max-width:none}
  .banner-fig{position:relative;inset:auto;width:100%;height:360px;bottom:auto;order:3;margin-top:0}
  .banner-fig{-webkit-mask-image:none;mask-image:none}
  .banner-fig::before{display:none}
  .banner-cap{order:4}
  .feature,.feature.rev{grid-template-columns:1fr 1fr;gap:40px}
  .feature.rev .fig{order:0}
  .wide-copy{grid-template-columns:1fr 1fr}
  .wide-side{grid-column:1/-1;display:flex;align-items:flex-start;gap:50px;flex-wrap:wrap}
  .wide-side .price{margin-top:0}
  .wide-side .arrow-link{margin-top:0;margin-left:auto}
  .trace{grid-template-columns:1fr;gap:40px}
  .trace-fig{aspect-ratio:16/9}
  .def-grid{grid-template-columns:1fr;gap:48px}
  .def-mark{min-height:250px}
  .def-mark .ring{width:210px;height:210px}
  .def-mark .dot{left:69px;top:69px;width:72px;height:72px}
  .def-mark .lb{top:240px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:44px}
  .foot-mark span{font-size:210px}
}
@media(max-width:760px){
  .wrap{width:calc(100% - 40px)}
  .pv-bar .wrap{height:34px;font-size:9.5px}
  .pv-bar .wrap > span:not(.rd){display:none}
  .banner{padding-top:0}
  .banner-inner{width:calc(100% - 40px)}
  .banner-copy{padding:36px 0 30px}
  .banner-top{font-size:10.5px}
  .banner h1{margin-top:24px;font-size:44px;line-height:1.2}
  .banner-foot{margin-top:28px;padding-top:20px}
  .banner-actions{gap:18px;flex-wrap:wrap}
  .banner-meta{font-size:9.5px}
  .banner-fig{height:250px}
  .banner-cap{width:calc(100% - 40px);padding:12px 0;font-size:9px}
  .banner-cap b{font-size:9px}
  .sec{padding-top:86px}
  .sec-head{grid-template-columns:1fr;gap:22px;padding-bottom:26px;margin-top:22px}
  .sec-head h2{font-size:36px}
  .sec-head .note{font-size:13px}
  .atlas-index{grid-template-columns:1fr;margin-top:2px}
  .atlas-index a{padding:15px 0;grid-template-columns:28px 1fr 18px;gap:12px}
  .atlas-index .nm{font-size:18px}
  .atlas-index .ds{font-size:11.5px}
  .chapter{margin-top:0}
  .band{padding:64px 0 72px}
  .atlas-intro{padding-bottom:64px}
  .chapter-head{grid-template-columns:auto 1fr;gap:20px;padding-top:22px}
  .chapter-no{font-size:72px}
  .chapter-name h3{font-size:26px}
  .chapter-count{display:none}
  .feature,.feature.rev{grid-template-columns:1fr;gap:26px;margin-top:30px}
  .feature.rev .fig{order:0}
  .feature .fig{aspect-ratio:4/3}
  .feature-copy h4,.wide-copy h4{font-size:24px}
  .feature-copy .one{font-size:13px}
  .feature-copy li{font-size:12px}
  .kpis{gap:26px}
  .kpi b{font-size:26px}
  .wide-fig{margin-top:32px}
  .wide-fig .plate{aspect-ratio:16/10}
  .wide-copy{grid-template-columns:1fr;gap:24px;margin-top:24px}
  .wide-side{grid-column:auto;display:block}
  .wide-side .kpis{margin-top:22px}
  .wide-side .price{margin-top:20px}
  .wide-side .arrow-link{margin-top:16px}
  .trace{margin-top:30px;gap:26px}
  .trace-fig{aspect-ratio:4/3}
  .trace-item{grid-template-columns:24px 1fr 16px;gap:10px;padding:14px 0}
  .trace-item .pr{display:none}
  .trace-item .nm{font-size:17px}
  .trace-foot{display:block;margin-top:24px}
  .trace-foot .kpis{margin-bottom:20px}
  .trace-foot .arrow-link{margin-left:0}
  .def{padding:88px 0 96px}
  .def-grid{gap:32px;margin-top:40px}
  .def-copy h2{font-size:36px;line-height:1.36}
  .def-body{grid-template-columns:1fr;gap:30px;margin-top:36px;padding-top:24px}
  .doors{grid-template-columns:1fr;margin-top:36px}
  .door{padding:22px 0}
  .door + .door{border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:22px}
  .def-quote p{font-size:12.5px}
  .def-foot{flex-wrap:wrap;gap:12px}
  .def-foot .arrow-link{margin-left:0;width:100%}
  .foot{margin-top:0}
  .foot-cta{grid-template-columns:1fr;gap:26px;padding:40px 0 36px}
  .foot-cta h2{font-size:34px}
  .foot-grid{grid-template-columns:1fr;gap:36px;padding:36px 0 32px}
  .foot-mark{height:110px}
  .foot-mark span{font-size:130px;bottom:-20px}
  .foot-bottom{flex-wrap:wrap;gap:8px 16px}
  .foot-bottom .right{margin-left:0;width:100%}
  .ref-note{padding-bottom:34px}
}

/* ============================================================
   v2 实际页面补充：跳转链接 / 移动菜单 / 行业 / 集成
   ============================================================ */
section[id],div[id],figure[id]{scroll-margin-top:100px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-90px;left:16px;z-index:300;background:#111;color:#fff;font-size:13px;padding:11px 16px;border-radius:2px;text-decoration:none}
.skip-link:focus{top:12px}
.head .brand{display:flex;align-items:center;flex:none}
.brand-tag{display:block;margin-left:15px;padding-left:15px;border-left:1px solid var(--line);font-family:var(--sans);font-size:10px;line-height:1.55;letter-spacing:.05em;color:var(--ink-2);white-space:nowrap}
@media(max-width:1180px){.brand-tag{font-size:9px;margin-left:12px;padding-left:12px}}
@media(max-width:860px){.brand-tag{display:none}}
.head .nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.head .nav-toggle span{display:block;width:17px;height:1.5px;background:var(--ink);transition:transform .25s,opacity .25s}
.head.nav-open .nav-toggle span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.head.nav-open .nav-toggle span:nth-child(2){opacity:0}
.head.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* 行业方案 */
.industries{background:var(--tint-band);padding:100px 0 112px}
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:36px}
.ind-card{display:block}
.ind-card figure{overflow:hidden;aspect-ratio:3/4;background:#e9e9e7}
.ind-card img{width:100%;height:100%;object-fit:cover;filter:grayscale(.2) saturate(.9) contrast(1.05);transition:transform .75s var(--ease)}
.ind-card:hover img{transform:scale(1.035)}
.ind-meta{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:baseline;padding:14px 0 13px;border-bottom:1px solid rgba(17,17,17,.16)}
.ind-meta span{font-family:var(--num);font-size:10.5px;letter-spacing:.1em;color:var(--ink-3)}
.ind-meta h3{font-family:var(--serif);font-size:16px;font-weight:700;line-height:1.45;transition:color .25s}
.ind-meta i{font-style:normal;font-family:var(--num);font-size:10.5px;letter-spacing:.06em;color:var(--ink-3);white-space:nowrap;transition:color .25s,transform .3s var(--ease)}
.ind-card:hover .ind-meta h3{color:var(--red)}
.ind-card:hover .ind-meta i{color:var(--red);transform:translateX(3px)}

/* ERP 集成 */
.integration{padding:130px 0 140px;background:#fff}
.int-grid{display:grid;grid-template-columns:5fr 7fr;gap:84px;align-items:center;margin-top:44px}
.int-copy h2{font-family:var(--serif);font-size:clamp(36px,3.6vw,54px);font-weight:700;line-height:1.3;letter-spacing:.005em}
.int-copy p{margin-top:22px;font-size:14px;line-height:1.95;color:var(--ink-2);max-width:31em}
.int-copy .arrow-link{margin-top:30px}
.int-map{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:26px;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.int-col .lab{display:block;font-family:var(--num);font-size:10px;letter-spacing:.22em;color:var(--ink-3);margin-bottom:9px}
.int-col b{display:block;padding:13px 0;border-bottom:1px solid var(--line-2);font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.int-col b:last-child{border-bottom:none}
.int-col:first-child{text-align:right}
.int-core{width:150px;height:150px;border:1px solid var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background:#fff}
.int-core::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--red)}
.int-core span{font-family:var(--num);font-size:27px;font-weight:600;letter-spacing:.06em}
.int-core small{margin-top:5px;font-size:10px;letter-spacing:.14em;color:var(--ink-3)}

@media(max-width:1100px){
  .ind-grid{grid-template-columns:repeat(3,1fr)}
  .int-grid{grid-template-columns:1fr;gap:48px}
}
@media(max-width:860px){
  .head .wrap{gap:14px;height:68px}
  .head .nav-toggle{display:flex;margin-left:2px}
  .head nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 16px;gap:0;box-shadow:0 18px 30px -24px rgba(0,0,0,.25)}
  .head.nav-open nav{display:flex}
  .head nav a{padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px}
  .head nav a:last-child{border-bottom:none}
  .head nav a.on::after{display:none}
  .head .cta{margin-left:auto;padding:11px 16px}
  .industries{padding:72px 0 80px}
  .ind-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .integration{padding:88px 0 96px}
  .int-map{grid-template-columns:1fr;gap:18px;padding:24px 0}
  .int-col:first-child{text-align:left}
  .int-core{width:100%;height:116px}
  .int-col b{display:inline-block;margin-right:26px;border-bottom:none;padding:8px 0}
  .int-col b:last-child{margin-right:0}
}
@media(max-width:480px){
  .ind-grid{grid-template-columns:1fr}
  .ind-card figure{aspect-ratio:4/3}
}
.head.scrolled{box-shadow:0 1px 0 var(--line),0 10px 26px -24px rgba(0,0,0,.28)}

/* 解决方案 banner：深色科技图 */
.banner-dark{background:#060a18;border-bottom-color:rgba(255,255,255,.08)}
.banner-dark .banner-fig{position:absolute;inset:0;bottom:0;width:100%;height:100%;margin:0;-webkit-mask-image:none;mask-image:none}
.banner-dark .banner-fig img{width:100%;height:100%;object-fit:cover;object-position:center 50%;filter:none}
.banner-dark .banner-fig::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(4,7,20,.95) 0%,rgba(4,7,20,.82) 32%,rgba(4,7,20,.42) 58%,rgba(4,7,20,.1) 80%,rgba(4,7,20,0) 100%),linear-gradient(180deg,rgba(4,7,20,.5) 0%,rgba(4,7,20,0) 30%,rgba(4,7,20,0) 70%,rgba(4,7,20,.7) 100%);pointer-events:none}
.banner-dark .banner-fig::after{display:none}
.banner-dark .banner-top,.banner-dark .banner-code{color:rgba(255,255,255,.58)}
.banner-dark h1{color:#fff}
.banner-dark .banner-foot{border-top-color:rgba(255,255,255,.2)}
.banner-dark .banner-foot .lede{color:rgba(255,255,255,.72)}
.banner-dark .banner-actions .arrow-link{color:#fff;border-color:rgba(255,255,255,.5)}
.banner-dark .banner-actions .arrow-link:hover{color:var(--red);border-color:var(--red)}
.banner-dark .banner-meta{color:rgba(255,255,255,.5)}
.banner-dark .banner-cap{background:#060a18;color:rgba(255,255,255,.55);border-top:1px solid rgba(255,255,255,.1)}
.banner-dark .banner-cap b{color:rgba(255,255,255,.75)}
@media(max-width:1120px){
  .banner-dark{background:radial-gradient(120% 90% at 85% 12%,rgba(30,90,255,.2) 0%,rgba(6,10,24,0) 55%),#060a18}
  .banner-dark .banner-fig{position:relative;inset:auto;width:100%;height:360px;bottom:auto;order:3;margin-top:0}
  .banner-dark .banner-fig::before{display:none}
  .banner-dark .banner-fig img{object-position:center 45%}
}
@media(max-width:760px){
  .banner-dark .banner-fig{height:300px}
}

/* 解决方案 · ERP 集成段：浅色底（原深色科技图版已按要求移除） */

@media(min-width:861px){.wrap{width:min(1296px,calc(100% - 144px))}}
@media(max-width:1100px){.head nav{display:none}.head .nav-toggle{display:flex}.head .cta{margin-left:auto}}

@media(max-width:1100px){
  .head nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 16px;gap:0;box-shadow:0 18px 30px -24px rgba(0,0,0,.25)}
  .head.nav-open nav{display:flex}
  .head nav a{padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px}
  .head nav a:last-child{border-bottom:none}
  .head nav a.on::after{display:none}
}

/* 全站 · 悬停交互补强 */
.head .brand img{transition:transform .4s var(--ease)}
.head .brand:hover img{transform:scale(1.025)}
.head .tel{transition:color .25s}
.head .tel:hover{color:var(--red)}
.head .cta{transition:background .25s,transform .25s var(--ease),box-shadow .25s}
.head .cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px -20px rgba(224,11,22,.75)}
.head .nav-toggle{transition:background .25s,border-color .25s}
.head .nav-toggle:hover{background:rgba(224,11,22,.04);border-color:var(--red)}
.btn-red:hover{transform:translateY(-1px)}
.feature-copy h4{transition:color .3s}
.feature:hover .feature-copy h4{color:var(--red)}
.feature-copy li{transition:background .3s,padding-left .3s var(--ease),color .3s}
.feature-copy li:hover{background:rgba(224,11,22,.025);padding-left:22px;color:var(--ink)}
.kpi{transition:transform .35s var(--ease)}
.kpi b,.kpi span{transition:color .3s}
.kpi:hover{transform:translateY(-2px)}
.kpi:hover b{color:var(--red)}
.banner-fig{overflow:hidden}
.banner-fig img{transition:transform 1.2s var(--ease)}
.banner-fig:hover img{transform:scale(1.012)}
@media(prefers-reduced-motion:reduce){
  .head .brand img,.head .tel,.head .cta,.head .nav-toggle,.btn-red,.feature-copy h4,.feature-copy li,.kpi,.banner-fig img{transition:none}
  .head .brand:hover img,.head .cta:hover,.btn-red:hover,.feature:hover .feature-copy h4,.feature-copy li:hover,.kpi:hover,.banner-fig:hover img{transform:none}
}

/* 集成示意与其余列表的悬停反馈 */
.int-col b{transition:color .3s,transform .35s var(--ease)}
.int-col b:hover{color:var(--red)}
.int-col:first-child b:hover{transform:translateX(-3px)}
.int-col:last-child b:hover{transform:translateX(3px)}
.int-core{transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.int-map:hover .int-core{transform:scale(1.02);box-shadow:0 18px 36px -30px rgba(0,0,0,.6)}
@media(prefers-reduced-motion:reduce){
  .int-col b,.int-core{transition:none}
  .int-col b:hover,.int-map:hover .int-core{transform:none}
}

/* 链接与按钮的基础过渡，避免颜色切换生硬 */
a,button,summary{transition:color .25s ease,background-color .25s ease,border-color .25s ease,opacity .25s ease}

.wide-fig .plate img,.trace-fig img{transition:transform 1.05s var(--ease)}
.wide-fig .plate:hover img,.trace-fig:hover img{transform:scale(1.018)}